An elevator starts from rest, and accelerates upwards for 3.00 s until it reaches its cruising speed of 1.75 m/s . The elevator has a mass of 650. kg. (a) What is the average power of the motor over the acceleration period? (b) How much power does the motor deliver when the elevator moves at its cruising speed?
An elevator starts from rest, and accelerates upwards for 3.00 s until it reaches its cruising speed of 1.75 m/s . The elevator has a mass of 650. kg. (a) What is the average power of the motor over the acceleration period? (b) How much power does the motor deliver when the elevator moves at its cruising speed?
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
Transcribed Image Text:An elevator starts from rest, and accelerates upwards for 3.00 s until it reaches its cruising speed of 1.75 m/s
The elevator has a mass of 650. kg. (a) What is the average power of the motor over the acceleration
period? (b) How much power does the motor deliver when the elevator moves at its cruising speed?
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