Question : A sphere is suspended by a thread of length 𝑙. What minimum horizontal velocity has to be imparted the ball for it to reach the height of the suspension
(A) 𝑔𝑙
(B) 2𝑔𝑙
(C) \sqrt{gl}
(D) \sqrt{2gl}
Answer : option (D)
Solution :
A sphere is suspended by a thread of length 𝑙. What minimum horizontal velocity has to be imparted the ball for it to reach the height of the suspension
with
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