A body is thrown vertically up with a velocity u.It passes three points A,B and C in its upward journey with velocity u/2,u/3 and u/4,respectively.The ratio of separations between points AB and between BC,i.e, AB/BC is

Options

(a) 1
(b) 2
(c) 10/7
(d) 20/7

Correct Answer:

20/7

Explanation:

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