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A crate pushed along the floor with velocity slides a distance after the pushing force is removed.
A) If the mass of the crate is doubled but the initial velocity is not changed, what distance does the crate slide before stopping?
B If the initial velocity of the crate is doubled to but the mass is not changed, what distance does the crate slide before stopping?
A barge has vertical sides and a flat bottom of 320 ft^2 area. when partially filled, the barge is immersed in fresh water to a depth of 2 ft. upon removal of the load the barge rises 16.0 in.
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790-loop circular armature coil with a diameter of 10.5 cm rotates at 75.0 rev/s in a uniform magnetic field of strength 0.75 T
Two blocks are connected by a cord passing over a small (frictionless) pulley as shown below. The angle ? = 30 degrees, what is the mass, M, of the large block
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Two boxes sit next to, and touching, each other on a frictionless horizontal surface, Verify your answer to part (b) by calculating the contact force in this case
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A 20kg box slides 45m from the top down to the bottom of an incline that is 10 degrees to the horizontal. How much work is done by the force of gravity on the box
A proton is initially at rest at a point where the potential is 459 V. Sometime later the proton is at a point where the potential is 218 V. If no force other than an electrostatic force acts on the proton, what is its final kinetic energy.
A rocket is launched at an angle of 59° above the horizontal with an initial speed of 97 m/s. The rocket moves for 3s along its initial line of motion with an acceleration of 28m/s2.
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