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Physics, 22.08.2019 09:00 theblackdot16
Afarmer tosses a rope over a beam at the top of a barn. he ties one end of the rope to a bale of hay. he then raises the bale up to the barn loft by pulling down on the loose end of the rope. why does the input force have to be greater than the force needed to lift the bale?
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Physics, 22.06.2019 20:00
Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.
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Afarmer tosses a rope over a beam at the top of a barn. he ties one end of the rope to a bale of hay...
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