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A shell fired from a gun explodes into p...

A shell fired from a gun explodes into pieces in air .How is the centre of mass of the shell affected?

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JBD PUBLICATION-MOTION OF SYSTEM OF PARTICLES AND RIGID BODY-EXAMPLE
  1. A wheel having moment of inertia 2 kg m^2 about its axis ,rotates at 5...

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  2. A string is wrapped around the rim of a wheel of moment of inertia 0.2...

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  3. A shell fired from a gun explodes into pieces in air .How is the centr...

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  4. A system consists of two particles of masses M and m(M>m) separated by...

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  5. The cap of the pen can be easily opened with the help of tw fingers th...

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  6. Derive expression for torque in cartesian co-ordinate system.

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  7. A spinninng top stands erect but a top which is not spinning falls.Why...

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  8. A disc spinning about its axis is placed lightly without an translatio...

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  9. A disc spinning clockwise about its axis with angular velocity omega0 ...

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  10. A disc spinning clockwise about its axis with angular velocity omega0 ...

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  11. A ring and disc have the same mass and radius.What is the ratio of the...

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  12. A constant torque acting on a uniform circular wheel changes its angul...

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  13. What is the total kinetic eneryg of a solid sphere rolling on a surfac...

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  14. Derive an expression for aceleration of a bdy moving down an inclined ...

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  15. Moment of a solid cylinder about its axis of symmetry is equal to mome...

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  16. The moment of inertia of two bodies are Ia and Ib with Ia>Ib and thei...

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  17. Derive Kepler's second law of planetary motion,using the law of conse...

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  18. Find the moment of inertia of a sphere about a tangent to the sphere, ...

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  19. If the earth suddenly contrats to half of its original size without an...

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  20. A cylidrical drum is pushed by a wooden plank as shown in the fig.The ...

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