Question

A car is moving at a velocity of 72 km/hr? On applying brakes it comes to rest in 4 secs?
Calculate accelerations & distance covered in this time interval?

Answer 1

hope this helps you dear

Answer 2

Answer:

i)distance covered before stopping: displacement (s)

s= [(u+v)/2]t....=0+20/2 x 4....= 10 x 4= 40ms

hence distance covered is 40 meters