PH-2350
Work done
Physics · Secondary 4 · Medium · Work done
A 1500 kg lift is raised vertically through a height of 20 m in 25 s at constant speed.
What is the power of the motor lifting the lift?
Use and . Take .
What is the power of the motor lifting the lift?
Use and . Take .
- 1.2 × 10^4 W
- 3.0 × 10^4 W
- 6.0 × 10^3 W
- 7.5 × 10^3 W
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