Question

the time required to stop a car of mass 800 kg moving at a speed of 20 metre per second over a distance of 25 is

plzzzzzz answer this it's very urgent ​

Answer 1

Answer:

answer is 2sec

Explanation:

v=20m/s

distance=20m/s

v^2=u^2+2as

400=0+2a(20)

400=40a

a=10m/s^2

s=ut+1/2at^2

20=0+1/2×20×t^2

20/5=t^2

t^2=4

t=2sec

pleased make this answer brain list