6. Find the initial velocity of a train, which is stopped in 15 seconds. The retardation produced in the
train is 1.5 m/s?.
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Answer:
heyyy,
Given---
Initial velocity(u) =u m/s.
A train is stooped after sometime, thus, Final velocity(v) =0.
Retardation= 1.5 m/s^2.
Time(t) = 15 seconds.
Using formula of retardation,
Retardation = (u - v)/t
1.5 = (u - 0)15
22.5 = u - 0
Thus, u = 22.5 m/s IS THE ANSWER
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