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The length of the string of a conical pe...

The length of the string of a conical pendulam is 10 m and it has a bob of mass 50 g. The angle that the string makes with the vertical is `30^@`. If the bob covers one revolution is 3 s, then the corresponding centripetal force acting on the bob will be

A

10 N

B

1 N

C

100 N

D

5 N

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The correct Answer is:
B
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