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The distance of centre of mass from '...

The distance of centre of mass from 'O ' is

A

`0.21` m

B

`0.35` m

C

`0.42 ` m

D

`0.48` m

Text Solution

Verified by Experts

The correct Answer is:
D

` 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(H.W)
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  3. Three identical spheres , each of mass 1 kg are kept as shown in fig...

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  5. Two blocks of masses 5kg and 2kg are connected by a spring of negligib...

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  6. Two paricle A and B initially at rest, move towards each other under m...

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  7. A man of mass m moves on a plank of mass M with a constant velocity u...

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  8. Two bodies of masses 5kg and 3kg are moving towards each other with 2m...

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  9. Two particles of masses 4kg and 6kg are separated by a distance of 20c...

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  10. Two objects of masses 200g and 500g have velocities of 10i m//s and (3...

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  11. The unit vector perpendicular to vec A = 2 hat i + 3 hat j + hat k and...

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  12. If vec A= 3i + j +2k and vec B = 2i - 2j +4k and theta is the angle be...

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  13. The angular velocity of the seconds hand in a watch is

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  14. The angular displacement of a particle is given by theta = t^3 + 2t +1...

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  15. A particle is moving with uniform speed 0.5 m//s along a circle of rad...

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  16. A wheel is making revolutions about its ais with unifrom angular accel...

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  17. The shaft of a motor car rotates at constant angular frequancy of 300...

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  18. A particle P is moving in a circle of radius 'a' with a uniform ...

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  19. Initial angular velocity of a wheel is 2 rad//s .It rotates with a co...

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  20. A stationary wheel starts rotating about its own axis at constant angu...

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