A car of mass is moving on a horizontal road at

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A car of mass

1000\,\text{kg}

is moving on a horizontal road at

20\,\text{m s}^{-1}

. The driver applies the brakes producing a constant retarding force of

5000\,\text{N}

. Neglecting all other forces, find the distance the car travels before coming to rest. (a)

80\,\text{m}

(b)

40\,\text{m}

(c)

20\,\text{m}

(d)

32\,\text{m}

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