The acceleration a of a body moving with initial velocity u changes withdistance x as a = k^2\sqrtx , where k is a positive constant. The distance travelledby the body when its velocity becomes 2u is (initially the body is at x = Q)

Correct Answer is : (3u2k)4∕3

JEE Advanced Model Paper 4 with solutions for online practice

Question : 6 of 54

Marks: +1, -0

The acceleration a of a body moving with initial velocity u changes withdistance x as a = k2√x , where k is a positive constant. The distance travelledby the body when its velocity becomes 2u is (initially the body is at x = Q)

(
3u
2k
)3∕4
(
3u
2k
)4∕3
(
3u
2k
)3∕2
(
3u
2k
)2∕3

Validate

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