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Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
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Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground
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What do we mean by the event horizon of a black hole?
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A weight watcher who normally weighs 400 N stands on top of a very tall ladder so she is one Earth r...
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