Bubugwirtcgon Bubugwirtcgon

15-08-2016
Physics

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In this problem, you will apply kinematic equations to a jumping flea. Take the magnitude of free-fall acceleration to be 9.80m/s2 . Ignore air resistance.

A flea jumps straight up to a maximum height of 0.460m . What is its initial velocity v0 as it leaves the ground?

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HomertheGenius HomertheGenius

18-08-2016

v o - initial velocity
v = velocity at the maximum height,
v² = v o² - 2 g h
v = 0
0 = v o² - 2 g h
v o² = 2 g h = 2 · 9.80 · 0.460
v o² = 9.052
v o = √9.052 = 3.004197 m/s ≈ 3 m/s

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