physics
posted by Anonymous .
 A 1600KG ELEVATOR accelerates downward at 2.00 m/s2 starting from rest. how much work does gravity do on the elevator? b) how much does tention in the elevator cable do on the elevator? c) use the work kinetic energy theorem to find the kenetic energy of the elevator as it reaches 20 meter. c)what is the sped of the elevator as it reaches 20 meter.

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