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A sled weighs 100 N. It is held in place on a frictionless 200 slope by a rope attached to a stake at the top; the rope is parallel to the slope. Find the tension in the rope.
a. 94 N
b. 47 N
c. 37 N
d. 34 N
A 320 piano slides 3.3 down a 24 incline and is kept from accelerating by the man who is pushing back on it parallel to the incline. Determine the work done by the man on the piano.
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question a certain superconducting magnet in the form of a solenoid of length 0.350 m can generate a magnetic field of
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liquid crystal display lcd projectors have a small lcd screen inside of them. this emits light and serves as the object
A puck rests on a horizontal frictionless plane. A string is wound around the puck and pulled on with constant force. What fraction of the disk's total kinetic energy is due to the rotation?
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