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A car travelling at a speed of 60 m/s slows to 29 m/s in 5 seconds....

A car travelling at a speed of 60 m/s slows to 29 m/s in 5 seconds. The magnitude of the acceleration of the car is

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Answer #1

vf = vi + at

or, 29 m/s = 60 m/s + a(5 s)

or, a = -6.2 m/s2

hence the magnitude of the acceleration is |a| = 6.2 m/s2

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