Question

A car is moving with speed 30 m/sec on a circular path
of radius 500 m. Its speed is increasing at the rate of 2
m/sec2. What is the acceleration of the car?​

Answer 1

Explanation:

a)Net acceleration in non-uniform circular motion,

a=a2t+a2c−−−−−−√=(2)2+(900500)2−−−−−−−−−−−−−√=2.7ms2a=at2+ac2=(2)2+(900500)2=2.7ms2

at=at= tangential acceleration

ac=ac=centripetal acceleration