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With what minimum speed v must a small b...

With what minimum speed `v` must a small ball should be pushed inside a smooth vertical tube from a height `h` so that it may reach the top of the tube? Radius of the tube is `R` .

A

`sqrt(2g(h+2R))`

B

`sqrt(g(5h+2R))`

C

`sqrt(g(5h-2R))`

D

`sqrt(2g(h-2R))`

Text Solution

Verified by Experts

The correct Answer is:
D
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