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It takes a flea 1.0 x 10-3 sec to reach a peak speed of 0.74 m/s.
a) If the mass of the flea is 0.45 x 10-6 kilogram, determine what is the average power required?
b) Insect muscle has a maximum output of 60 W/kg. If 20 percent of the flea's weight is muscle, can the muscle provide the power needed?
c) The flea has a resoling pad at the base of the hind leg that compresses when the flea bends its leg to jump. If we assume the pad is a cube with a side of 6.0 x 10-5 meter, and the pad compresses fully, find what is the energy stored in the compression of the pads of the two hind legs? The Young's modulus for resoling is1.7 x 106 N/m2.
d) Find does this provide enough power for the jump?
A Ferris wheel is moving at an initial angular velocity of 1.0 rev/39 s. If the operator then brings it to a stop in 3.3 min, what is the angular acceleration of the Ferris wheel
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