Question

25. A bus running at a speed of 18 km/h is stopped in 2.5 seconds by applying brakes. Calculate the retardat produced
​

Answer 1

here is your answer buddy

Step-by-step explanation:

Answer

Initial velocity, u=18 km/h

u=18×

3600

1000

=

3600

18000

m/s=5m/s

Final velocity, v=0 m/s

Time, t=2.5 sec

Acceleration, a=?

Using, v=u+at

a=

t

v−u

=

2.5

0.5

=−2m/s

2

So, retardation is 2m/s

2

..

Answer 2

Answer:

your answer is in the attachment

I hope it will help you

please mark me as brainliest