A car is traveling in a straight line at an initial speed of

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

Problem

A car is traveling in a straight line at an initial speed of

6.0\,\text{m/s}

. The driver then accelerates uniformly at

2.0\,\text{m/s}^2

for

3.0\,\text{s}

. What is the car’s speed at the end of the

3.0\,\text{s}

interval? (a)

9.0\,\text{m/s}

(b)

18\,\text{m/s}

(c)

12\,\text{m/s}

(d)

6.0\,\text{m/s}

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