Calculus Volume 3
16th Edition
ISBN: 9781938168079
Author: Gilbert Strang, Edwin Jed Herman
Publisher: OpenStax
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Textbook Question
Chapter 4.6, Problem 309E
For the following exercises, solve the problem.
309. In two dimensions, the motion of an ideal fluid is governed by a velocity potential q. The velocity
components of the fluid u in the x—direction and v in the y—direction, are given by ( u. v ) = V q. Find the velocity components associated with the velocity potential p(x, y) = sin .zx sin 2irv.
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Chapter 4 Solutions
Calculus Volume 3
Ch. 4.1 - For the following exercises, evaluate each...Ch. 4.1 - For the following exercises, evaluate each...Ch. 4.1 - For the following exercises, evaluate each...Ch. 4.1 - For the following exercises, evaluate each...Ch. 4.1 - For the following exercises, find the domain of...Ch. 4.1 - For the following exercises, find the domain of...Ch. 4.1 - For the following exercises, find the domain of...Ch. 4.1 - For the following exercises, find the domain of...Ch. 4.1 - For the following exercises, find the domain of...Ch. 4.1 - For the following exercises, find the domain of...
Ch. 4.1 - Find the range of the functions. 11....Ch. 4.1 - Find the range of the functions. 12. V(x,y)=4x2+y2Ch. 4.1 - Find the range of the functions. 13. z=y2x2Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the level curves...Ch. 4.1 - For the following exercises, find the vertical...Ch. 4.1 - For the following exercises, find the vertical...Ch. 4.1 - For the following exercises, find the vertical...Ch. 4.1 - Find the domain of the following functions. 33....Ch. 4.1 - Find the domain of the following functions. 34....Ch. 4.1 - Find the domain of the following functions. 35....Ch. 4.1 - Find the domain of the following functions. 36....Ch. 4.1 - Find the domain of the following functions. 37....Ch. 4.1 - Find the domain of the following functions. 38....Ch. 4.1 - For the following exercises, plot a graph of the...Ch. 4.1 - For the following exercises, plot a graph of the...Ch. 4.1 - For the following exercises, plot a graph of the...Ch. 4.1 - Sketch the following by finding the level curves....Ch. 4.1 - Sketch the following by finding the level curves....Ch. 4.1 - Sketch the following by finding the level curves....Ch. 4.1 - Sketch the following by finding the level curves....Ch. 4.1 - Sketch the following by finding the level curves....Ch. 4.1 - Sketch the following by finding the level curves....Ch. 4.1 - Find the level surface for the functions of three...Ch. 4.1 - Find the level surface for the functions of three...Ch. 4.1 - the level surface for the functions of three...Ch. 4.1 - Find the level surface for the functions of three...Ch. 4.1 - Find the level surface for the functions of three...Ch. 4.1 - For the following exercises, find an equation of...Ch. 4.1 - For the following exercises, find an equation of...Ch. 4.1 - For the following exercises, find an equation of...Ch. 4.1 - The strength E of an electric field at point (x....Ch. 4.1 - A thin plate made of iron is located in the...Ch. 4.1 - Refer to the preceding problem. Using the...Ch. 4.1 - Refer to the preceding problem. Find the level...Ch. 4.2 - For the following exercises, find the limit of the...Ch. 4.2 - For the following exercises, find the limit of the...Ch. 4.2 - For the following exercises, find the limit of the...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, complete the...Ch. 4.2 - For the following exercises, complete the...Ch. 4.2 - For the following exercises, use algebraic...Ch. 4.2 - For the following exercises, use algebraic...Ch. 4.2 - For the following exercises, use algebraic...Ch. 4.2 - For the following exercises, use algebraic...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limits...Ch. 4.2 - For the following exercises, evaluate the limit of...Ch. 4.2 - For the following exercises, evaluate the limit of...Ch. 4.2 - For the following exercises, evaluate the limit of...Ch. 4.2 - For the following exercises, evaluate the limit of...Ch. 4.2 - Discuss the continuity of the following functions....Ch. 4.2 - Discuss the continuity of the following functions....Ch. 4.2 - Discuss the continuity of the following functions....Ch. 4.2 - Discuss the continuity of the following functions....Ch. 4.2 - For the following exercises, determine the region...Ch. 4.2 - For the following exercises, determine the region...Ch. 4.2 - Show that the function approaches different values...Ch. 4.2 - Show that the function approaches different values...Ch. 4.2 - Create a plot using graphing software to determine...Ch. 4.2 - Determine the region of the xy-plane in which the...Ch. 4.2 - Determine the region of the xv-plane in which f(x....Ch. 4.2 - At what points in space g(x,y,z)=x2+y22z2...Ch. 4.2 - At what points in space is g(x,y,z)=1x2+z21...Ch. 4.2 - Show that (x,y)(0,0)lim1x2+y2 does not exist at...Ch. 4.2 - [T] Evaluate (x,y)(0,0)limxy2x2+y2 by plotting the...Ch. 4.2 - [T] a. Use a CAS to draw a contour map of z=9x2y2...Ch. 4.2 - True or False: If we evaluate (x,y)(0,0)limf(x)...Ch. 4.2 - Use polar coordinates to find (xy)(0,0)limsin x 2+...Ch. 4.2 - Use polar coordinates to find urn...Ch. 4.2 - Discuss the continuity of f(g(x. y)) where f(i) =...Ch. 4.2 - Given f(x. v) = x2-4y. find h0limf(x+h,y)f(x,y)h.Ch. 4.2 - Given f(x,y)=x24y find h0limf(1+h,y)f(1,y)hCh. 4.3 - Lord Kelvin and the Age of Earth Figure 4.25 (a)...Ch. 4.3 - Lord Kelvin and the Age of Earth Figure 4.25 (a)...Ch. 4.3 - Lord Kelvin and the Age of Earth Figure 4.25 (a)...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the sign of...Ch. 4.3 - For the following exercises, calculate the sign of...Ch. 4.3 - For the following exercises, calculate the sign of...Ch. 4.3 - For the following exercises, calculate the sign of...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - For the following exercises, calculate the partial...Ch. 4.3 - Evaluate the partial derivatives at point P(O. 1)....Ch. 4.3 - Evaluate the partial derivatives at point P(O. 1)....Ch. 4.3 - Evaluate the partial derivatives at point P(O. 1)....Ch. 4.3 - The area of a parallelogram with adjacent side...Ch. 4.3 - Express the volume of a right circular cylinder as...Ch. 4.3 - Calulate wz for w=zsin(xy2+2z) .Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Find the indicated higher-order partial...Ch. 4.3 - Suppose the sides of a rectangle are changing with...Ch. 4.3 - A Cobb-Douglas production function...Ch. 4.3 - The apparent temperature index is a measure of how...Ch. 4.4 - For the following exercises, find a unit normal...Ch. 4.4 - For the following exercises, find a unit normal...Ch. 4.4 - For the following exercises, as a useful review...Ch. 4.4 - For the following exercises, as a useful review...Ch. 4.4 - For the following exercises, as a useful review...Ch. 4.4 - For the following exercises, as a useful review...Ch. 4.4 - For the following exercises, as a useful review...Ch. 4.4 - For the following exercises, find the equation for...Ch. 4.4 - For the following exercises, find the equation for...Ch. 4.4 - For the following exercises, find the equation for...Ch. 4.4 - For the following exercises, find the equation for...Ch. 4.4 - For the following exercises, find the equation for...Ch. 4.4 - For the following exercises, find the equation for...Ch. 4.4 - For the following exercises, find the equation for...Ch. 4.4 - For the following exercises, find the equation for...Ch. 4.4 - For the following exercises, find the equation for...Ch. 4.4 - For the following exercises, find the equation for...Ch. 4.4 - For the following exercises, find the equation for...Ch. 4.4 - the following exercises, find the equation for the...Ch. 4.4 - For the following exercises, find parametric...Ch. 4.4 - For the following exercises, find parametric...Ch. 4.4 - For the following exercises, find parametric...Ch. 4.4 - For the following exercises, find parametric...Ch. 4.4 - For the following exercises, find parametric...Ch. 4.4 - For the following exercises, find parametric...Ch. 4.4 - For the following exercises, use the figure shown...Ch. 4.4 - For the following exercises, use the figure shown...Ch. 4.4 - For the following exercises, use the figure shown...Ch. 4.4 - For the following exercises, complete each task....Ch. 4.4 - For the following exercises, complete each task....Ch. 4.4 - For the following exercises, complete each task....Ch. 4.4 - For the following exercises, complete each task....Ch. 4.4 - For the following exercises, complete each task....Ch. 4.4 - For the following exercises, complete each task....Ch. 4.4 - For the following exercises, complete each task....Ch. 4.4 - For the following exercises, complete each task....Ch. 4.4 - For the following exercises, complete each task....Ch. 4.4 - The centripetal acceleration of a particle moving...Ch. 4.4 - The radius r and height h of a tight circular...Ch. 4.4 - The base radius and height of a right circular...Ch. 4.4 - The electrical resistance R produced by wiring...Ch. 4.4 - The area of an ellipse with axes of length 2a and...Ch. 4.4 - The period T of a simple pendulum with small...Ch. 4.4 - Electrical power P is given by P = V2R where V is...Ch. 4.4 - For the following exercises, find the linear...Ch. 4.4 - For the following exercises, find the linear...Ch. 4.4 - For the following exercises, find the linear...Ch. 4.4 - For the following exercises, find the linear...Ch. 4.4 - For the following exercises, find the linear...Ch. 4.4 - [T] Find the equation of the tangent plane to the...Ch. 4.4 - [T] Find the equation for the tangent plane to the...Ch. 4.4 - [T] Find the equation of the tangent plane to the...Ch. 4.5 -
Ch. 4.5 - For the following exercises, use the information...Ch. 4.5 - For the following exercises, use the information...Ch. 4.5 - For the following exercises, use the information...Ch. 4.5 - For the following exercises, use the information...Ch. 4.5 - For the following exercises, use the information...Ch. 4.5 - For the following exercises, find dfdtusing the...Ch. 4.5 - For the following exercises, find dfdtusing the...Ch. 4.5 - For the following exercises, find dfdtusing the...Ch. 4.5 - For the following exercises, find dfdtusing the...Ch. 4.5 - For the following exercises, find dfdtusing the...Ch. 4.5 - For the following exercises, find dfdtusing the...Ch. 4.5 - Let w(x. v, z) = x + y + z, x = cos t, v = sin t,...Ch. 4.5 - Let z=x2y. where x=t2 and v=t2. Find dzdt .Ch. 4.5 - Let u=exsiny, where x=t2 and y=t . Find dudtwhen x...Ch. 4.5 - For the following exercises, find dv using partial...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, find dydx using...Ch. 4.5 - For the following exercises, use this information:...Ch. 4.5 - For the following exercises, use this information:...Ch. 4.5 - For the following exercises, use this information:...Ch. 4.5 - The volume of a right circular cylinder is given...Ch. 4.5 - The pressure P of a gas is related to the volume...Ch. 4.5 - The radius of a tight circular cone is increasing...Ch. 4.5 - The volume of a frustum of a cone is given by the...Ch. 4.5 - A closed box is in the shape of a rectangular...Ch. 4.5 - The total resistance in a circuit that has three...Ch. 4.5 - The temperature T at a point (x. y) is T(x. y) and...Ch. 4.5 - The x and y components of a fluid moving in two...Ch. 4.5 - Let u = u(x. y, z). where x = x(w, t). y = (w. t)....Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the gradient....Ch. 4.6 - For the following exercises, find the gradient....Ch. 4.6 - For the following exercises, find the gradient....Ch. 4.6 - For the following exercises, find the gradient....Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the directional...Ch. 4.6 - For the following exercises, find the derivative...Ch. 4.6 - For the following exercises, find the derivative...Ch. 4.6 - [T] Use technology to sketch the level curve of...Ch. 4.6 - [T] Use technology to sketch the level curve of...Ch. 4.6 - For the following exercises, find the gradient...Ch. 4.6 - For the following exercises, find the gradient...Ch. 4.6 - For the following exercises, find the gradient...Ch. 4.6 - For the following exercises, find the gradient...Ch. 4.6 - For the following exercises, find the derivative...Ch. 4.6 - For the following exercises, find the derivative...Ch. 4.6 - For the following exercises, find the derivative...Ch. 4.6 - For the following exercises, find the derivative...Ch. 4.6 - For the following exercises, find the derivative...Ch. 4.6 - For the following exercises, find the maximum rate...Ch. 4.6 - For the following exercises, find the maximum rate...Ch. 4.6 - For the following exercises, find the maximum rate...Ch. 4.6 - For the following exercises, find equations of a....Ch. 4.6 - For the following exercises, find equations of a....Ch. 4.6 - For the following exercises, find equations of a....Ch. 4.6 - For the following exercises, find equations of a....Ch. 4.6 - For the following exercises, solve the problem....Ch. 4.6 - For the following exercises, solve the problem....Ch. 4.6 - For the following exercises, solve the problem....Ch. 4.6 - For the following exercises, solve the problem....Ch. 4.7 - For the following exercises, find all critical...Ch. 4.7 - For the following exercises, find all critical...Ch. 4.7 - For the following exercises, find all critical...Ch. 4.7 - For the following exercises, find all critical...Ch. 4.7 - For the following exercises, find the critical...Ch. 4.7 - For the following exercises, find the critical...Ch. 4.7 - For the following exercises, find the critical...Ch. 4.7 - For the following exercises, find the critical...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, use the second...Ch. 4.7 - For the following exercises, determine the extreme...Ch. 4.7 - For the following exercises, determine the extreme...Ch. 4.7 - For the following exercises, determine the extreme...Ch. 4.7 - Find the absolute extrema of the given function on...Ch. 4.7 - Find the absolute extrema of the given function on...Ch. 4.7 - Find the absolute extrema of the given function on...Ch. 4.7 - Find the absolute extrema of the given function on...Ch. 4.7 - Find three positive numbers the sum of which is...Ch. 4.7 - Find the points on the surface x2yz=5that are...Ch. 4.7 - Find the maximum volume of a rectangular box with...Ch. 4.7 - The sum of the length and the girth (perimeter of...Ch. 4.7 - A cardboard box without a lid is to be made with a...Ch. 4.7 - Find the point on the surface f(x,y)=x2+y2+10...Ch. 4.7 - Find the point in the plane 2xy+2z=16 that is...Ch. 4.7 - A company manufactures two types of athletic...Ch. 4.7 - A shipping company handles rectangular boxes...Ch. 4.7 - Find the maximum volume of a cylindrical soda can...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the following exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - Show that, of all the triangles inscribed in a...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4.8 - For the next group of exercises, use the method of...Ch. 4 - For the following exercises, determine whether the...Ch. 4 - For the following exercises, determine whether the...Ch. 4 - For the following exercises, determine whether the...Ch. 4 - For the following exercises, determine whether the...Ch. 4 - For the following exercises, sketch the function...Ch. 4 - For the following exercises, sketch the function...Ch. 4 - For the following exercises, evaluate the...Ch. 4 - For the following exercises, evaluate the...Ch. 4 - For the following exercises, find the largest...Ch. 4 - For the following exercises, find the largest...Ch. 4 - For the following exercises, find the largest...Ch. 4 - For the following exercises, find the largest...Ch. 4 - For the following exercises, find all second...Ch. 4 - For the following exercises, find all second...Ch. 4 - For the following exercises, find the equation of...Ch. 4 - For the following exercises, find the equation of...Ch. 4 - For the following exercises, find the equation of...Ch. 4 - For the following exercises, find the equation of...Ch. 4 - For the following exercises, find the equation of...Ch. 4 - For the following exercises, find the equation of...Ch. 4 - For the following exercises, find the gradient....Ch. 4 - For the following exercises, find the gradient....Ch. 4 - For the following exercises, find and classify the...Ch. 4 - For the following exercises, find and classify the...Ch. 4 - For the following exercises, use Lagrange...Ch. 4 - A machinist is constructing a right circular cone...Ch. 4 - A trash compactor is in the shape of a cuboid....
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- A projectile fired into the first quadrant from the origin of a coordinate system will pass through the point (x,y) at time t according 2x to the relationship cot 0 D where 0 is the angle of elevation of the launcher and g is the acceleration due to gravity (32.2 2y + gt +gt² feet/second2). An artilleryman is firing at an enemy bunker located 2625 feet up the side of a hill that is 6025 feet away. He fires a round, and exactly 2.54 seconds later he scores a direct hit. ..... (a) What angle of elevation did he use? e = 24.4 ° %3D (Do not round until the final answer. Then round to one decimal place as needed.) vot where vo (b) If the angle of elevation is also given by sec 0= is the muzzle velocity of the weapon, find the muzzle velocity of the artillery piece he used. Vo = feet/second (Round to two decimal places as needed.) %3Darrow_forwardA 68 kg skydiver jumps out of an airplane. We assume that the forces acting on the body are the force of gravity and a retarding force of air resistance with direction opposite to the direction of motion and with magnitude cv² where c = 0.175 kg and v(t) is the velocity of the skydiver at time t (and upward is positive velocity). The gravitational constant is g = 9.8m/s². m a) Find a differential equation for the velocity v : dv dt b) Determine the terminal velocity in meters per second for free-fall (no parachute). terminal velocity= m/s Note: Answer should be negative for downward velocity.arrow_forwardSupposed a body of mass 5 kg is falling in the atmosphere near sea level. Let v(t)m/s be the velocity of the body at time t in seconds. Assume that is positive in the downward direction - that is, when the object is falling. We assume that the forces acting on the body are the force of gravity and a retarding force of air resistance with direction opposite to the direction of motion and with magnitude cv(t) where c = 0.3kg. The gravitational constant is g = 9.8m/s². a) Find a differential equation for the velocity v dv dt (b) Find the equilibrium solution of the differential equation, that is, find the limiting velocity. limiting velocity = m/sarrow_forward
- When you cough, you are using a high-speed stream of air to clear your trachea (windpipe). During a cough, your trachea contracts, forcing the air to move faster, but also increasing the friction. If a trachea contracts from a normal radius of 3 centimeters to a radius of r centimeters, the velocity of the airstream is V(r) = c(3-r)r2 where c is a positive constant depending on the length and the elasticity of the trachea. Find the radius r that maximizes this velocity. (X-ray pictures verify that the trachea does indeed contract to this radius.)arrow_forwardA projectile fired into the first quadrant from the origin of a coordinate system will pass through the point (x.y) at time t according to 2x the relationship cot 8= 2y + gt where e is the angle of elevation of the launcher and g is the acceleration due to gravity (32.2 feet/second?). An artilleryman is firing at an enemy bunker located 2700 feet up the side of a hill that is 6275 feet away. He fires a round, and exactly 2.89 seconds later he scores a direct hit. (a) What angle of elevation did he use? (Do not round until the final answer. Then round to one decimal place as needed ) (b) If the angle of elevation is also given by sec - E, where v, is the muzzle velocity of the weapon, find the muzzie velocity of the artillery piece he used. feet/second (Round to two decimal places as needed.) IIIarrow_forward4. The equation of motion of a particle is s = t* – 2t3 + t2 – t, where s is in meters and t is in seconds. a) Find the velocity and acceleration as functions of t. b) Find the position, velocity, and acceleration after 1 second.arrow_forward
- dv =-(av+bt), where a and dt 6. The equation b are constants, represents an equation of motion when a particle moves in a resisting medium. Solve the equation for v given that v=u when t=0.arrow_forwardTransient Orifice Flow: Water is discharged from a reservoir through a long pipe as shown. By neglecting the change in the level of the reservoir, the transient velocity of the water flowing from the pipe, vt), can be expressed as: - Reservoir v(t) V2gh = tanh V2gh) Pipe Where h is the height of the fluid in the 7- reservoir, L is the length of the pipe, g is the acceleration due to gravity, and t is the time elapsed from the beginning of the flow Transient Orifice Flow: Determine the helght of the fluid in the reservoir at time, t= 2.5 seconds, given that the velocity at the outfall, vt) = 3 m/s, the acceleration due to gravity, g = 9.81 m/s? and the length of the pipe to outfall, L= 1.5 meters. Reservoir v(t) V2gh = tanh 2L 2gh water Pipe Hint: Transform the equation to a function of form: fih) = 0 Solve MANUALLY using BISECTION AND REGULA-FALSI METHODS, starting at xn = 0.1, Kg =1, E = 0.001 and If(*new)l < Earrow_forwardExplain the relation between the following two formulas(c is a constant):d/dxsin(cx) = c cos(cx),∂/∂xsin(xy) = y cos(xy)arrow_forward
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