Physics (AS & A Level) · May / June 2019 · Paper 11 · Question 19

A grasshopper of mass 0.12 g jumps vertically. It uses its back legs over a time of 0.020 s to jump, leaving the ground with a velocity of 3.0 m s^-1. What is the average power developed by the legs of the grasshopper?

1. A9.0 × 10^-3 W
2. B1.8 × 10^-2 W
3. C2.7 × 10^-2 W
4. D37 W

As printed in the paper