Jumping Flea. High-speed motion pictures (3500 frames/ second) of a jumping 210

Question

Jumping Flea. High-speed motion pictures (3500 frames/ second) of a jumping 210 g flea yielded the data to plot the graph shown in the figure (Figure 1) (see "The Flying Leap of the Flea," by M. Rothschild, Y. Schlein, K. Parker, C. Neville, and S. Sternberg in the Nov. 1973 Scientific American). This flea was about 2 mm long and jumped at a nearly vertical take-off angle.

Find the maximum height above the ground reached by the flea.

How much work was done by the flea in launching itself into the air?

Explanation / Answer

Jumping Flea. High-speed motion pictures (3500 frames/ second) of a jumping 210

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