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You are waiting for a train on a railway...

You are waiting for a train on a railway platform. Your three year old niece is standin on your iron trunk containing the luggage. Why does the trunk not recoil as she jumps off on the platform?

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HC VERMA-CENTRE OF MASS, LINEAR MOMENTUM, COLLISION-Short Answer
  1. The weight Mg of an extended body is generally shown in a diagram to a...

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  2. A bob suspended from the ceiling of a car which is accelerating on a h...

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  3. You are waiting for a train on a railway platform. Your three year old...

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  4. IN a headon collision between two particles, is it necessary that the ...

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  5. A collision experiment is done on a horizontal table kept in an elevat...

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  6. Two bodies make an elastic head on colision on a smooth horizontal tab...

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  7. If the total mechanicla energy of a particle is zero is its linear mom...

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  8. If the linear momentum of a prticle is known can you find its kinetic ...

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  9. What can be said about the centre of mass f a uniform hemisphere witho...

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  10. You re holding a cage contasining a bird. Do you hasve to make less ef...

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  11. A fat person is standing oa ligh plank floating on a calm lake. The pe...

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  12. A high jumper successully clears the bar. Is it possibel that his cent...

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  13. Which of the two persons show in figure is more likely to fall down? W...

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  14. Suppose we define a quantity Linear Pomentum as linear pomentum =massx...

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  15. Use the definition of linear pometum form the previous qestion. Can we...

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  16. To accelerate a car we ignite petrol in the engine of the car. Since o...

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  17. A ball is moved on a horizontal table with some velocity. The ball sto...

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  18. Consider the situation of the previous problem. Take the table and the...

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  19. When a nucleus at rest emits a beta particle, it is found that the vel...

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  20. A van is standing on a frictionless portion of a horizontal road. To s...

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