Q

A machine completes a task requiring 3000 J of work in half a minute. The average power delivered by the machine is ____.

RRB Group D 05 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: C 100 W
The correct choice is 100 W. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.