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Determine the angular momentum of a hollow spinning sphere when its angular speed is 20 rad/s. The rotational inertia of the sphere is 0.02 kg.m2.
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Question: A proton is accelerated from rest through a potential difference V0 and gains a speed v0. If it were accelerated instead through a potential difference of 2V0, it would gain a speed...?
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An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. First he tries to throw a rope to his fellow astronaut, but the ...
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