A car starts from rest

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

Problem

A car starts from rest, accelerates uniformly at

2\,\text{m}\,\text{s}^{-2}

for

5\,\text{s}

and then continues with the speed thus attained for the next

10\,\text{s}

. What is the total displacement of the car in this

15\,\text{s}

interval? (a)

150\,\text{m}

(b)

75\,\text{m}

(c)

125\,\text{m}

(d)

100\,\text{m}