A car travels around a horizontal circular track of radius at a speed of

PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

A car travels around a horizontal circular track of radius

30\,\text{m}

at a speed of

12\,\text{m}\!/\!\text{s}

. Its speed is increasing at a rate of

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

. Calculate the magnitude of the car’s instantaneous net acceleration.