Question

a body moving with uniform acceleration of 10 m/s2 having a velocity of 10 m/s. in what time it's velocity will be doubled ?
10 s
12 s
14 s
8s
​

Answer 1

Explanation:

Correct option is

B

10 s

Initial velocity u=100 ms

−1

Final velocity v=200 ms

−1

Acceleration of the boy a=10 ms

−2

Using , v=u+at

∴ 200=100+10t

⟹ t=10 s

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Answer 2

Answer:

Correct option is

B

10 s

Initial velocity u=100 ms

−1

Final velocity v=200 ms

−1

Acceleration of the boy a=10 ms

−2

Using , v=u+at

∴ 200=100+10t

⟹ t=10 s