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A ball of radius 10 cm and mass 8 kg rol...

A ball of radius 10 cm and mass 8 kg rolls down a ramp of length 3.5 m from rest. The ramp is inclined at 30° to the horizontal. When the ball reaches the bottom, its velocity is `["Take g"=10m//s^(2)]`

A

2m/s

B

3m/s

C

4m/s

D

5m/s

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The correct Answer is:
D
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