# A 1000 kg vehicle moving with a speed of 20 m/s is brought to rest in a distance of 50 metres.Find the acceleration

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by Force

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by Force

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initial speed (u) = 20 m/s

final speed (v) = 0

Distance (s) = 50 m

acceleration (a) = ?

we know that ,

v² - u ²= 2as

or a = v² - u² / 2s

or a = 20² - 0² / 2*50

or a = 400/100

or