A 1,000-W motor powers a hoist used to lift cars at a service station.?

a.How much time would it take to raise a 1,500-kg car 2 m?bI.f it replaced with a 2,000 W motor, how long would it take?

Answer:

Motor Hoist Used

Power = work/time 1000 = mgh/time 1000 = 1500*9.8*2/ time Time = (1500*9.8*2)/1000 Time = 29.4 seconds. If the motor is replaced by a 2000 W motor, the time will be halved.

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A 1,000-W motor powers a hoist used to lift cars at a service station.?

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