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Law of Conservation of Energy

In which of t...

Question

In which of the following cases, the speed of the ball will be more?

A

A > B

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B

B > A

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C

In both cases speed will be same

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D

None of the above

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Solution

The correct option is B $B > A$
In case B the speed of ball is more because it has high potential energy as compared to A and this potential energy is converted into kinetic energy thus B has more kinetic energy and thus more velocity.
$v = \sqrt{2 g h} h_{B} > h_{A} v_{B} > v_{A}$

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