Q.

A particle starts with an initial velocity of 10.0 ms-1 along x- direction and accelerates uniformly at the rate of 2.0 ms-2. The time taken by the particle to reach the velocity of 60.0 ms-1 is _______

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a

3 s

b

30 s

c

6 s

d

25 s

answer is A.

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Detailed Solution

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V = u + at
60 = 10 + 2(t)
50 = 2t
t = 25 seconds

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