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05-09-2018
Physics

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A cheetah can accelerate from rest to a speed of 21.0 m/s in 6.25 s. What is its acceleration? = m/s2

Respuesta :

05-09-2018

Acceleration = (change in speed) / (time for the change)

Cheetah's change in speed = +21 m/s

Acceleration = (21 m/s) / (6.25 s)

Acceleration = (21 / 6.25) (m / s·s)

Acceleration = 3.36 m/s² (about 0.34 of 1 G)

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