Question

A train is travelling at a speed of 90 km h brakes are applied so as to produce a uniform acceleratin

Answer 1

Answer:

Explanation:

A train is travelling at a speed of 90 km/h. Brakes are applied so as to produce a uniform acceleration of – 0.5 m s-2.

Hope this helps you

Answer 2

ANSWER :

u = 90km/h

v = 0

Let, time = t

Now, acceleration = change in velocity /time.

=> a = 0 - 90/t

=> a = -90/t