Physics-
General
Easy
Question
The prong of a electrically operated tuning fork is connected to a long 
and tension 25 N. The maximum velocity of them string of prong is 1 cm/s, then the average power needed to drive the prong is:
- 5 × 10–4 W
- 2.5 × 10–4 W
- 1 × 10–4 W
- 10–3 W
The correct answer is: 2.5 × 10–4 W
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