jennifer473 jennifer473

17-05-2020
Physics

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A 1250 kg car starts from rest and speeds up to 14.0 m/s in 7.25s. How much force acted on the car ?

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jasminee211 jasminee211

17-05-2020

m = 1250 kg
V = 14.0 m/s
t = 7.25 s
F = ?

Impulse equation
F . t = m . V

:. F = mv/t

F = (1250 kg x 14.0 m/s) / 7.25s

F = 2414 N

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