A 500 kg elevator accelerates upward at 1.9 m/s2 for 20 m,
starting from rest.
a) How...
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Physics
A 500 kg elevator accelerates upward at 1.9 m/s2 for 20 m,starting from rest.
a) How much work does gravity do on the elevator?
b) How much work does the tension in the elevator cable do onthe elevator?
c) What is the elevator’s kinetic energy after traveling 20m?
Answer & Explanation
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3.8 Ratings (361 Votes)
AThe expression for the work done by the gravity when theelevator moves up a distance isHere is the work done by the gravityis force due to gravity and is the heightThe gravity acts downward and the displacement of the
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