A train is moving with a …
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Rishav Mehra 6 years, 3 months ago
Given
u=90km/h = 90× (5÷18 )=25 m/s
v=0
t=10sec
A/F
a=(v-u)÷t
a= (0-25)÷10
a=-25÷10
a= -2.5 m/s^2 (-ve value beacuse body is retarded)
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