A body whose initial velocity is u and final velocity is v after t sec, moves with an acceleration
a) ( v - u ) × t
b) ( u - v ) × t
c) v - u
__________
t
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Answer:
We know acceleration (a) = rate of change of velocity
= timeintervalchangeinvelocity
= timeperiodfinalvelocity−initialvelocity
= tv−u
∴a=tv−uora×t=v−u
or at = v - u or at + u = v
∴ v = u + at
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