Physics

Problem

A car is moving westward with a velocity of

-10\,\text{m/s}

(west is negative). It experiences a uniform acceleration of

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

toward the east. How much time will it take for the car to come to rest? a)

-5\,\text{s}

5\,\text{s}

10\,\text{s}

2.5\,\text{s}