Question

a car os traveli g woth a speed of 30 km/h how much it will ciber in 30 seconds​

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:

1\2mv^2 =Fs

on the doubling, the speed and the required distance will become 4 times that is

s=4×8=32m

Explanation:

I hope this will help u

Answer 2

Explanation:

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