Physics, asked by nandinirajaryan, 10 months ago

please Solve it's urgent ​

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Answers

Answered by anirooth
3

Answer:

v=u+at

WKT, v=0 and we have to find u

v=u-at

0=u-2×20

u=40

Answered by IamArvind
1

Answer:

40m/s

Explanation:

v= 0 as the train will stop

t= 20 sec

a= -2m/s^2

u=?

using the formula

v= u+at

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