Problem: When jumping, a flea rapidly extends its legs, reaching a takeoff speed of 1.0 m/s over a distance of 0.50mm. What is the flea's acceleration as it extends its legs? How long does it take the flea to leave the ground after it begins pushing off?

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When jumping, a flea rapidly extends its legs, reaching a takeoff speed of 1.0 m/s over a distance of 0.50mm. What is the flea's acceleration as it extends its legs? How long does it take the flea to leave the ground after it begins pushing off?