How much power should the motor supply

Reference no: EM1388813

Q. An elevator weighing 2200 ascends at a constant speed of 9m/s. How much power should the motor supply to do this?

Q. A 30 g ball of clay is thrown horizontally at 20 m/s toward a 1.7 kg block sitting at rest on a frictionless hi surface. The clayts and sticks to the block. What is the speed of the block and clay right after the collision?

Reference no: EM1388813

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