A projectile is fired in such away that it's horizontal range is egual to three times it's maximum height.whatis the angle of projection ?
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- A ball is thrown from the top of one building toward a tall building 50 ft away. The initial velocity of the ball is 20 ft/s at 400 above the horizontal. How far above or below its original level will the ball strike the opposite wall?A rope of negligible mass is wrapped around a 225-kg solid cylinder of radius 0.400 m. The cylinder is suspended several meters off the ground with its axis oriented horizontally, and turns on that axis without friction. (a) If a 75.0-kg man takes hold of the free end of the rope and falls under the force of gravity, what is his acceleration? m/s² (b) What is the angular acceleration of the cylinder? rad/s² (c) If the mass of the rope were not neglected, what would happen to the angular acceleration of the cylinder as the man falls?A fish is swimming north at 1.2 m/s. It then undergoes an average acceleration of 8.3 m/s^2 51 degrees south of west for 0.25 s. What is the magnitude of the fish's final velocity. Please include a drawing
- 4- The potential difference 2 points between two point in an electric circuit is 24 V, If 0.4 J of energy were dissipated in a period of 5 ms, what would the current be between the two points? *A vertical tower stands on a horizontal plane and is surmounted by a vertical flag-staff of height 6 m. At a point on the plane, the angle of elevation of the bottom and top of the flag-staff are 30° and 45° respectively. Find the height of the tower. (Take √3=1.73)Find the fluid force on the vertical side of the tank, where the dimensions are given in feet. Assume that the tank is full of water. (The weight-density of water is 62.4 pounds per cubic foot. Round your answer to two decimal places.) Parabola, y = x² Ib Submit Answer
- 7. For each of the following equations of lines in x-y coordinates, find the values of ‘p’ and ‘θ’ in the polar system given as: “p=xcos θ + ysin θ”: a) x=4 b) y=10 c) x=y,(224), (13),.. The valae of the radix'r isA window is in the form of an equilateral triangle surmounted on a rectangle. The rectangle is of clear glass and transmit twice as much light as does the triangle which is made of stained glass. If the entire window has a perimeter of 20 feet, find the dimensions of the window that will admit the most light.
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