Bullet

Q: one way to tell if a mosquito is about to sting is to listen for the doppler shift as the mosquito i...

A: The frequency of the source=1050Hz.The frequency heard by the listener =1034Hz. (a)Since the frequen...

Q: A wheel rotates through an angle of 13.8 rad as it slows down from 22.0 rad/s to 13.5 rad/s. What is...

A: The expression for the angular acceleration from angular kinematics equation,

Q: Wire C and wire D are made from different materials and have length LC = LD = 3.1 m. The resistivity...

A: The electric potential difference between point 1 and 2 is the potential drop in wire C.Write the ex...

Q: How Can we measure qravitahonal acceleration using an inclined pian?

A: Suppose a block is placed on an inclined plane with an inclination thetha.

Q: 20. A car accelerates uniformly from rest and reaches a W speed of 22.0 m/s in 9.00 s. Assuming the ...

A: Given: Initial velocity = 0 (starts from rest)Final velocity = 22 m/stime, t = 9 sDiameter of a tire...

Q: 3. This one is tougher! Consider y' the vector A in the figure to the right, making an angle 0 with ...

A: The length of vector A’ is computed as follows.

Q: A cheetah can accelerate from rest to a speed of 26.0 m/s in 4.25 s. What is its acceleration?

A: Given:Initial velocity of cheetah, u = 0 m/sFinal velocity of cheetah, v = 26.0 m/sTime taken, t = 4...

Q: A plane leaves Seattle, flies 78.0 mi at 20.0 ∘ north of east, and then changes direction to 55.0 ∘ ...

A: The diagram showing the motion of the plane is shown below.

Q: A 2.41 kg the ball is attached to an unknown spring and allowed to oscillate. The figure (Figure 1) ...

A: a)The time period of the motion is,

Q: Find the components of the vector A⃗  with length a = 1.00 and angle α=20.0 ∘ with respect to the x ...

A: The equation for the magnitude of the x component of the vector is given by

Q: A capacitor with initial charge q0 is discharged through a resistor. What multiple of the time const...

A: Charge is given by,

Q: A 2.1 kg copper ball hung from a vertical spring oscillates in simple harmonic motion with an angula...

A: Substitute 2.6 rad/s for omega and 0.075m for Amplitude in the above equation to find the maximum sp...

Q: A 10.6 g wire of length 84.8 cm is suspended by a pair of flexible leads in a uniform magnetic field...

A: (a)  Assume that the magnetic field is perpendicular to both length of the wire and the paper. When ...

Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current ...

A: Given Information :Current I =290 ACross sectional area of the copper wire A = 0.260 cm2=Length of t...

Q: Water falls without splashing at a rate of 0.310 L/s from a height of 3.10 m into a 0.710-kg bucket ...

A: The scale after 2.90 s after water start accumulating it is calculated in following steps.Given:Mass...

Q: while studying for this quiz you realize that you still have 100g of lukewarm coffee at 40 degree C ...

A: According to the theory of temperature of mixing, when two substances of different temperatures are ...

Q: 44. Rigid rods of negligible mass lying along the y axis con- nect three particles (Fig. P10.44). Th...

A: Given,

Q: Each of the eight conductors in the figure carries 6.89 A of current into or out of the page. Two pa...

A: A dot represents current coming out of the page and the cross represents current going into the page...

Q: A parallel-plate capacitor has circular plates of 6.16 cm radius and 1.77 mm separation. (a) Calcula...

A: (a) For a parallel plate capacitor, the value of relative permittivity of the dielectric material(k)...

Q: If f=+150mm (lens), what kind of lens is it? Convex or concave?

A: Focal length is the distance over which the parallel rays of light either converge or diverge. For a...

Q: In the figure particles with charges q1 = +6e and q2 = -14e are fixed in place with a separation of ...

A: Given,

Q: A 2.60-kg hoop 1.80 m in diameter is rolling to the right without slipping on a horizontal floor at ...

A: Case 1 : Viewed by person at rest.Since the loop is rolling without slipping the velocity vector can...

Q: Can someone please help me understand what I'm doing wrong on this one?

A: Acceleration is the rate of change of velocity. It is equal to the slope of the graph about the poin...

Q: A ball is thrown horizontally from the top of a building 0.10 km high. The ball strikes the ground a...

A: The speed of the ball just before it strikes a ground can be calculated in given steps.Given:

Q: In an oscillating LC circuit with L = 44 mH and C = 4.9 μF, the current is initially a maximum. How ...

A: Given,

Q: Please show me how to work this. Don't round any figures please.

A: (a) The scalar product also known as dot product, is computed as follows.

Q: From Snell’s Law, equation (2), derive the Brewster’s angle formula given byequation (4) when (theta...

A: Brewster’s angle is the angle of incidence at which light with a particular polarization is perfectl...

Q: The initial temperature of 13 moles of an ideal gas is 358 K. 18000 J of heat are added to the gas a...

A: It is given that on adding heat energy, gas gets expanded. It means that volume of gas gets changed....

Q: A water tower is a familiar sight in many towns. The purpose of such a tower is to provide storage c...

A: Mass of water stored in the reservoir is 7.16×5 kg, and density of water is 1000 kg/m3The volume of ...

Q: In the figure, horizontal scaffold 2, with uniform mass m2 = 29 kg and length L2 = 2.3 m, hangs from...

A: The expression from the moment of force applied at the point A is,Here, m1 is the mass of the first,...

Q: The figure shows three circular arcs centered at the origin of a coordinate system. On each arc, the...

A: Given:

Q: Calculate the number of coulombs of positive charge in 198 cm3 of (neutral) water. (Hint: A hydrogen...

A: Mass of 198cm3 of water is,Substituting the values,

Q: A motorcycle daredevil is attempting to jump across as many buses as possible (see the drawing). The...

A: The bike is making a projectile motion and the horizontal distance travelled by bike is equal to te ...

Q: 26. An 80.0-kg skydiver jumps out of a balloon at an alti- tude of 1 000 m and opens his parachute a...

A: (a)Without parachute, the acceleration is,

Q: Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades a...

A: Its given that:

Q: A wild horse starts from rest and runs in a straight line 29° north of west. After 26 s of running i...

A: (a)Write the expression for average acceleration.

Q: The graph shows how the force component Fcosθ along the displacement varies with the magnitude s of ...

A: Work done is equal to the area under the curve. Therefore,

Q: Sharon pushes a tall box across the floor. Her arms (and therefore her push force) of F = 400 N make...

A: Given:

Q: A man is holding an 8.00-kg vacuum cleaner at arm's length, a distance of 0.550 m from his shoulder....

A: The weight of the vacuum cleaner is 8.00 kg, its distance from the shoulder is 0.550 m and it is hel...

Q: Chapter 28, Problem 055 Your answer is partially correct. Try again. Two concentric, circular wire l...

A: Given:Radius of inner loop, r1= 29.4 cm = 0.294 mRadius of outer loop, r2 = 50.3 cm = 0.503 mCurrent...

Q: You push a shopping cart filled with groceries (total mass = 20 kg) by applying a force to the cart ...

A: The direction of displacement of cart will be in the horizontal direction. Take the component of for...

Q: Please help

A: Given,

Q: The figure shows two concentric rings, of radii R and R' = 2.54R, that lie on the same plane. Point ...

A: write the expression of electric field on the axis of  the small ring.

Q: A small block is attached to an ideal spring and is moving in SHM on a horizontal frictionless surfa...

A: a)The expression for the angular frequency,

Q: ESS 2 2 SE 16 s SES-ES ESESESES STA ES STA ES STA ES Arod AB with length L ellism is lying on a rect...

A: (a)Write the expression for total induced emf across the rod AB.

Q: Two manned satellites approaching one another at a relative speed of 0.300 m/s intend to dock. The f...

A: Given:

Q: An arrow is shot horizontally from a height of 4.9 m above the ground. The inital speed of the arrow...

A: To determine: The time taken by the arrow to reach the ground.Given information: The height from whi...

Q: Suppose you design an apparatus in which a uniformly charged disk of radius R is to produce an elect...

A: Given:

Q: a bridge across a small stream is made by supporting a 10m long log with a mass of 75kg with ropes t...

A: Consider the figure, it shows free body diagram of the log.

Q: Chapter 27, Problem 007 from A wire of resistance 5.1 Ω is connected to a battery whose emf ε is 4.0...

A: Given: R = 5.1 ohmr = 0.69 ohmemf = 4 Vt = 2.1 min = 2.1 × 60 = 126 secondsFind: (a) The energy tran...