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A system consists of two masses connec...

A system consists of two masses connected by a massless rod lies along x - axes . The distance of cnetre of mass from O is

A

2m

B

3m

C

5m

D

7m

Text Solution

Verified by Experts

The correct Answer is:
C

`x_(cm) = (m_(1)x_(1)+m_(2)x_(2))/(m_(1)+m_(2))`
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NARAYNA-SYSTEM OF PARTICLES AND ROTATIONAL MOTION -EXERCISE - I (C.W)
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  7. A dog weighing 5kg is standing on a flat boat so that it is 10 metres ...

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  8. Two bodies of different masses 2kg and 4kg are moving with velocities ...

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  9. If two particles of masses 3kg and 6kg which are at rest are separated...

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  10. Two bodies of 6kg and 4kg masses have their velocity 5hati - 2 hat j +...

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  11. The angular velocity of a rotating body is vec omega = 4 hat i + hat j...

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  12. The angle between the vectors (hat i + hat j + hat k) and ( hat i - ha...

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  13. The average angular velocity of the seconds hand of a watch if the sec...

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  15. A body rotating with uniform angular acceleration covers 100 pi (radia...

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  16. A body rotates about a fixed axis with an angular acceleration of 3 ra...

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  17. A wheel starts from rest and acquires an angular velocity of 60 rad//...

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  19. Two particle move in concentio cireles of radii r(1) and r(2) such tha...

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