Question

A car moving on a straight highway with speed of 126km/hr. is brought to stop within a distance of 200m. What is the retardation of the car (assumed uniform) and how long does it take for the car to stop?​

Answer 1

Answer:

you abs byby

Explanation:

u=126 km/h=126×

18

5

m/s=35m/s

v=0

s=200m

Newton's Equation of motion

v

2

−u

2

=2as

0

2

−35

2

=2a(200)

a=−3.0625m/s

2

Also

v=u+at

0=35−3.06t

t=11.4s

Answer 2

Answer:

Chalo bro bro mil ke kuch krte h