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A 60.0-g object is attached to a horizontal spring with a force constant of 5.0 N/m and released from rest with an amplitude of 20.0 cm. What is the velocity of the object when it is halfway to the equilibrium position if the surface is frictionless?
A 0.140-kg baseball is dropped from rest. It has a speed of 1.20 m/s just before it hits the ground. what is the average force exerted by the ground on the ball
a wave pulse travels down a slinky. the mass of the slinky is m 0.93 kg and is initially stretched to a length l 6.2
A generator uses a coil that has 330 turns and a 0.34-T magnetic field. determine the length of the wire from which the coil is made
A 1500 kg Prius and a 2400 kg Ford F150 pickup truck are approaching an unmarked intersection. What is the speed of the Ford at the moment of impact
Calculate the power spectrum of a square pulse with amplitude, A and length t. Plot the power spectrum, showing several zero-crossings. Demonstrate that the bandwidth (in frequency) in inversely proportional to t.
A coordinate system S' moves with constant velocity along the x axis of a second coordinate system S. If, as measured in S, two events occur at the same place and are separated in time by deltat, what is the spatial separation of these two events as ..
An inductor with an inductance of 3.00H and a resistance of 7.10? is connected to the terminals of a battery with an emf of 6.10V, Find the final steady-state current
A turtle ambles lesisurely- as turtles tend to do- when it moves from a location with position vector r1x = 1.07 m, find the magnitude of the turtle's average velocity
A 140g arrow is shot vertically from a bow whose effective spring constant is 500 N/m .If the bow is drawn 60cm before shooting the arrow, to what height does the arrow rise
A woman holds a tube of lipstick 2.3 cm from a spherical mirror and notices that the image of the tube is upright and one fifth its normal size, Determine the position of the image. Is it in front of or behind the mirror
Two crates of mass 65 kg and 125 kg are in contact and at rest on horizontal surface. A 650 N force is excerted horizontally on the 65 kg crate. evaluate the acceleration of the system
A 4.0 kg ball is on the end of a 1.6 m rope which is fixed at O. The ball is held at point A, with the rope horizontal, and is given an initial downward velocity. What is the initial velocity of the ball
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