Physics, asked by Maira01, 1 year ago

please guys answer these question as it is very urgent

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Answered by Aaryadeep

3

@
v=0
u=?
a=-3m/s²
t=30sec
v=u+at
0=u+(-3)(30)
u=90m/s
initial velocity of the train is 90m/s
@:-)

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