A) zero
B) \[2gH\]
C) \[mgH\]
D) \[\sqrt{2gH}\]
Correct Answer: D
Solution :
We know that potential energy at A (or C) = Kinetic energy at B. Thus\[\frac{1}{2}mv_{B}^{2}\]or\[{{v}_{B}}=\sqrt{2gH}.\]You need to login to perform this action.
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