Q

A person does 1000 J of work in 2 seconds. What was the energy he spent?

RRB Group D 17/09/2018 / Shift-II 2018
✓ Answer: C 500 W
The PDF asks for 'energy' but supplies power options. Its intended calculation is P = 1000/2 = 500 W; the actual energy expended is 1000 J.
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