Question

A bus is moving with a speed of 72km/h. On applying brakes, it comes to rest in 5s.Find the acceleration and the distance travelled by the bus before coming to rest.

Answer 1

Answer:

-4m/s^2

Explanation:

Initial velocity(u)=72km/ hr

=72 ×5/18=20m/s

Final velocity(v)= 0

Time=5second

A=V-U

T

A= 0-20/5

= -20/5= -4

AND you can find Distance on the 2nd equation of motion

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