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Physics, 27.11.2019 06:31 nananananananan03
An elevator and counterweight are like atwood’s machine. an elevator, m=100kg, has a counter weight m=90kg connected by a cable over a massless pulley with no friction. the elevator falls, starting from rest, a distance 20.5 m and lands. what the final kinetic energy of the system, in j, just before the elevator lands?
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An elevator and counterweight are like atwood’s machine. an elevator, m=100kg, has a counter weight...
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