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A-LevelPhysicsWork, energy and power9702/12 · Oct/Nov 2019 · Q171 Mark

The motor of a crane lifts a load of mass 600 kg. The load rises vertically at a constant speed of 12 m per minute. What is the useful power output of the motor?

A0.12 kW
B1.2 kW
C7.2 kW
D71 kW

✓ Correct answer

B: 1.2 kW

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About this question

Topic
Work, energy and power, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source
A-Level Physics, Oct/Nov 2019 Paper 1 Variant 2, question 17.

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