Question

a moving train ids brought to rest whitin 20 sec by applying bricks. find the distance travelled before it stops​

Answer 1

Answer:

Given,

=Final velocity (as train comes to rest) = 0

= t = 20 s.

= a = 2 m/s^2

v=u+at

0 = u + 20*(-2)

u = 40 m/s.

Answer 2

Answer:

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