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Four thin rods of same mass and same len...

Four thin rods of same mass and same length L form a square Radius of gyration of this system about an axis which is perpendicular to plane of square and passes through its centre is

A

L/2

B

5L/4

C

3L/4

D

L/4

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AAKASH INSTITUTE ENGLISH-TEST 2-Exercise
  1. Consider a uniform sqare plate of side 'a' and mass 'm'. The moment of...

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  2. A disc of radius R has a concentric hole of radius R /2 and its mass i...

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  3. Four thin rods of same mass and same length L form a square Radius of ...

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  4. Match the following columns

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  5. A horizontal disc is rotating about a vertical axis passing through it...

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  6. Two masses m1 and m2 are connected by a light rod of length I. If rod ...

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  7. A body is rolling down an inclined plane. If kinetic energy of rotatio...

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  8. A sphere cannot roll on

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  9. A solid sphere has combined linear and rotation motion as shown in fig...

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  10. A vector barP is along positive x axis, if barQ is another vector such...

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  11. The component of the vector barĀ= (2hat i +3 hat j) along the vector b...

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  12. What is the power of an engine which can lift 600 kg of water per minu...

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  13. When a spring is stretched by 2 cm, it stores 100J of energy. If it is...

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  14. A ball dropped from a height of 2 m rebounds to a height of 1.5 m afte...

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  15. The potential energy of 1 kg particle is [U(x) = (0.25 x^4) - (0.5 x^2...

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  16. A ring of mass m and radius R is being rotated about its axis with ang...

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  17. A bomb of mass 4m explodes into two parts of mass ratio 1 : 3. If k be...

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  18. Two identical blocks A and B are connected with a spring of constant k...

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  19. A particle of mass m1, hits another particle in rest of mass m2, obliq...

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  20. If all the particles of a body is situated at distance d from origin, ...

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