When the cab is carrying its maximum capacity, at what average rate must the motor deliver energy to get the cab up to cruising speed?

Question

Haylee Underwood

Physics

22 February, 10:03

When the cab is carrying its maximum capacity, at what average rate must the motor deliver energy to get the cab up to cruising speed?

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Edith Castro · Answer 1

A motor must lift a 1400-kg elevator cab. The cab's maximum occupant capacity is 400 kg, and its constant "cruising" speed is 1.6m/s. The design criterion is that the cab must achieve this speed within 2.0 s at constant acceleration, beginning from rest.