Question

a car travelling at a speed of 20 meter per second apply break in stops within 10 minute what is the acceleration of car ​

Answer 1

-2

Explanation

v=0

u=20m/s

t=10mins.

v=u+at

0=20+a×10

0=20+10a

-20=10a

-20/10=a

-2 m/s sq.

Answer 2

Answer:

Speed : 20 m/s

Time : 600 seconds

Acceleration : Speed(Velociy)/Time

                      = 1/30 m/s²