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A ball of mass 0.6 kg attached to a ligh...

A ball of mass `0.6 kg` attached to a light inextensible string rotates in a vertical circle of radius `0.75 m` such that it has speed of `5 ms^(-1)` when the string is horizontal. Tension in the string when it is horizontal on other side is `(g = 10 ms^(-2))`.

A

30N

B

26N

C

20N

D

6N

Text Solution

Verified by Experts

The correct Answer is:
`(3)`
`T = mv_(H_^(2))/r where v_(H) = sqrt 3gr`
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NARAYNA-WORK , ENERGY & POWER -EXERCISE -1 (H.W)
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  4. The length of ballistic pendulum is 1 m and mass of its block is 0.98 ...

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  5. A simple pendulum is oscillating with an angular amplitude 60^@. If ma...

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  6. A body is moving in a vertical circle such that the velocities of body...

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  7. A ball of mass 0.6 kg attached to a light inextensible string rotates ...

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  8. Two particles of same mass m moving with velocities u(1) and u(2) coll...

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  9. A ball impinges directly on a similar ball at rest. If 1/4 ^(th) of th...

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  13. A body of mass 10 kg moving with a velocity of 5 ms^(-1) hits a body o...

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  14. A block of mass 1 kg moving with a speed of 4 ms^(-1), collides with a...

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  15. A marble going at a speed of 2 ms^(-1) hits another marble of equal m...

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  16. A massive ball moving with speed v collieds with a tiny ball which is ...

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  17. A 1 kg ball moving at 12 m//s collides head on with a 2g ball moving i...

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  18. A 6 kg mass collides with a body at rest. After the collision, they tr...

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  19. A body of mass m moving at a constant velocity v hits another body of ...

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  20. An 8 gm bullet is fired horizontally into a 9 kg block of wood and sti...

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