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Work Power and Energy question

2020 · 7 Jan · Shift 2 · Q48
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Work Power and Energy question

2020 · 7 Jan · Shift 2 · Q48

JEE MainPhysicsWork Power and EnergyMCQ+4 / −1
An elevator in a building can carry a maximum of 10 persons, with the average mass of each person being 68 kg, The mass of the elevator itself is 920 kg and it moves with a constant speed of 3 m/s. The frictional force opposing the motion is 6000 N. If the elevator is moving up with its full capacity, the power delivered by the motor to the elevator (g = 10 m/s2) must be at least :
  1. A
    48000 W
  2. B
    62360 W
  3. C
    56300 W
  4. D
    66000 W
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