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A ball is dropped from rest from the top of a 6.35-m-tall building, falls straight downward, collides in-elastically with the ground, and bounces back. The ball loses 17.0% of its kinetic energy every time it collides with the ground. How many bounces can the ball make and still reach a windowsill that is 2.26 m above the ground?
On a frictionless horizontal air table, puck A (with mass 0.253kg ) is moving toward puck B (with mass 0.372kg ), What was the speed vAi of puck A before the collision
How much force, in Newtons, is needed to accelerate a truck with a mass of 1500 kilograms from a full stop to 40 m/s in 10 seconds if the rate of acceleration is constant.
A 1.9 kg object that stretches a spring 8.8 cm from its natural length when hanging at rest oscillates with an amplitude of 6.5 cm, Find the total energy of the system
What minimumdistance are they from each other? The angle may be too large to use small angle approximation. suppose in units of m.
Illustrate what is the maximum mass, m1, that can be hung from the chords before the 5.0kg mass just begins to move?
What should the charge (sign and magnitude) of a particle of mass 1.47g be for it to remain stationary when placed in a downward-directed electric field of magnitude 660 N/C.
A farm tractor tows a 4830 kg trailer up a 15.5° incline at a steady speed of 2.0 m/s. What force does the tractor exert on the trailer
A d = 4.40 mm diameter wire carries an electric current of I = 13.4 A when the electric field is E = 6.22×10-2 V/m along the wire. What is the resistivity of the wire
During an electrostatic field experiment, you assume that the electric field lines are in the plane of the paper, What condition determines the accuracy of this assumption
A charge of +45.9 C is at the origin. When charge Q is placed at 2 m along the positive x axis, What is the value of Q
A 11.0g bullet is fired horizontally into a 103g wooden block that is firstly at rest on a frictionless horizontal surface and connected to a spring of constant 154N/m. The bullet becomes embedded in block. If the bullet-block system compresses the s..
A turntable that spins at a constant 80 rpm takes 3.70s to reach this angular speed after it is turned on. Find its angular acceleration (in rad/s^{2}), suppose it to be constant, and the number of degrees it turns through while speeding up.
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