Question

Ramesh can bring his car running at
30km h to a halt by applying brakes
with in a distance of 10m. What distance
would the same car cover before
coming to rest if its initial velocity
be 60kmh 1?​

Answer 1

Answer:

At a car travelling at a speed of 30km/h is brought to rest in a distance of 8m by applying brakes if the same car is moving at a speed of 60km/h then that it can be brought to rest with same brakes in:

2

1

mv

2

=Fs

on the doubling, the speed and the required distance will become 4 times that is s=4×8=32m