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A Motor Car-A Moves With

A lift of mass 200kg moves upward with a uniform velocity of 4 m/s . if efficiency of motor is 70% then input power of motor is?
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2. asked by rpzubaern
3. 2,625 views
An engine moves a motorboat through water at a constant velocity of 22 meters/second. If the force exerted by the motor on the
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2. asked by Anonymous
3. 821 views
A certain elevator car has mass 2200 kg and is lifted by cables driven by an electric motor. The efficiency of the lift system
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2. asked by Bob
3. 710 views
A small motor draws a current of 1.76 A from a 110 V line. The output power of the motor is 0.20 hp.(a) At a rate of $0.060/kWh,
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2. asked by julie
3. 1,155 views
A 500 kg elevator starts from rest. It moves upward for 4.00 s with constant acceleration until it reaches its cruising speed,
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2. asked by Michelle
3. 1,247 views
The power (P) required to run a motor is equal to the voltage (E) applied to that motor times the current (I) supplied to the
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2. asked by laquel
3. 1,633 views
An electric motor has 72 turns of wire wrapped on a rectangular coil, of dimensions 3cm by 4cm. Assume that the motor uses 14A
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2. asked by Belle
3. 771 views
A 690 kg elevator starts from rest. It moves upward for 2.56 s with constant acceleration until it reaches its cruising speed,
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2. asked by Tom
3. 548 views
A 690 kg elevator starts from rest. It moves upward for 2.56 s with constant acceleration until it reaches its cruising speed,
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2. asked by Joe
3. 579 views
A 690 kg elevator starts from rest. It moves upward for 2.56 s with constant acceleration until it reaches its cruising speed,
1. 0 answers
2. asked by Harry
3. 596 views