A heavy ball is suspended from the ceiling of a motor car through a light string. A tra
Channel: Doubtnut
Date: 2020-06-28

A heavy ball is suspended from the ceiling of a motor car through a light string. A transverse pulse travels at a speed of `60 cm s^-1` on the string when the car is at rest and `62 cm s^-1` when the car accelerates on a horizontal road. Find the acceleration of the car. Take `g = 10 ms^-2`