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A 2.10-kg block is suspended from a spring with a spring constant of 480.0 N/m. A 0.070-kg bullet is fired into the block from directly below with a speed of 130.0 m/s and is embedded in the block. Find the amplitude of the subsequent motion. What fraction of the original kinetic energy of the bullet appears as mechanical energy in the system of block-spring-bullet?
A sinusoidal ac voltage source in a circuit produces a maximum voltage of 12.6V and an rms current of 7.50mA. Find voltage amplitude
White light is shone on a very thin layer of ice (n = 1.31), and above the ice layer, What is the thickness of the ice layer
Boat sails at a rate of 5.0 m / s relative to the sea. He is aiming directly north, What will be the direction of the boat
You decide to determine the depth of a tank of water using the sun's light. With the sun overhead, the tank's bottom is lit, Approximately how deep is the tanks
A man walking on a tightrope carries a long a pole which has heavy items attached to the two ends. what difference would it make to his balance
A thin 7.3-m metal rod sustanins a longitudinal standing wave with vibration antinodes at each end of the rod. What is the frequency of the rod's vibration
You are standing in air and are looking at a flat piece of glass (n = 1.52) on which there is a layer of transparent plastic (n = 1.61). Find the smallest possible nonzero value for the thickness of the layer
A 3.9- cm-radius ball rolls down an inclined plane from rest at the top. How long is the plane
a 1.99 kg block slides on a rough, horizonatl surface. The block hits a spring with a speed 2.16 m/s, what is the force constant of the spring
Suppose that in an insulated container, 0.100 of water at 20.0 is mixed with 1.500 of ice at. Find the amount of heat it would take to bring all of the ice to its melting point
A 2.40g bullet embeds itself in a 1.50kg block, which is attached to a spring of force constant 770 N/m. Find the time for the bullet-block system to come to rest
A heat engine operates at an efficiency of 15%. what is the amount of heat it discharges to the cold reservoir
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