Question

A bus is moving with a speed 72 km/h can be stopped by brakes
after atleast 10 m. What will be the minimum stopping distance, if
the same bus is moving at a speed of 144 km/h? ​

Answer 1

Explanation:

Use Newton's 3rd equation of motion.

Please convert speed which has been given in km/h to m/s.

For this you multiply the given speed by 5/18.