Question : The displacement of a body is given by 2š = gš”2 , where g is a constant. The velocity of the body at any time š” is
(A) gš”
(B) \dfrac{gt}{2}
(C) \dfrac{gt^{2}}{2}
(D) \dfrac{gt^{3}}{2}
Answer : option (A)
Solution :
The displacement of a body is given by 2š = gš”2 , where g is a constant. The velocity of the body at any time š” is
with
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