If a cage containing a truck of coal weighing 750 kg is raised to a
PHYSICS
JAMB 2009
If a cage containing a truck of coal weighing 750 kg is raised to a height of 90 m in a minute, what is the total power expended? [g = 10 ms2]
- A) 11.50 kw
- B) 12.60 kw
- C) 11.25 kw
- D) 12.10 kw
Correct Answer: C) 11.25 kw
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