A particle starts with an initial velocity of 10.0 along -direction and accelerates uniformly at the rate of 2.0 . The time taken by the particle to reach the velocity of 60.0 is ______. [2023]

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Solution

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 ______. [2023]

1 6 s

2 3 s

3 30 s

4 25 s

Ans.
(4)

$v = u + a t$

$60 = 10 + 2 t$

$t = 25 sec$

Correct option (4)

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