Question

The acceleration a of an object at time t is given by a=2t.if intial velocity of the object is 2m/s .then velocity after 5sec is...

Answer 1

Answer:

We know that

a = dv/dt

a = 2t ,now

dv= adt, Now after integrating

V - 2 = t*t

We know that t=5s

V-2 = 25

Hence V = 27m/s

Explanation:

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