A boy moving with a velocity of 3 ms-1 is brought to rest by a constant force after travelling 15m. Calculate the retardation.

A.

0.15ms-2

B.

0.30ms-2

C.

0.60ms-2

D.

3.33ms-2

E.

6.66ms-2

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Correct answer is B

No explanation has been provided for this answer.

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