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An electric lift with a maximum load of ...

An electric lift with a maximum load of 2000kg (lift+passengers) is moving up with a constant speed of 1.5 m/s. The frictional force opposing the motion is 3000N. The minimum power delivered by the motor to the lift in watt is: `(g = 10 m/s^2)`

A

23000

B

20000

C

34500

D

23500

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