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You re holding a cage contasining a bird...

You re holding a cage contasining a bird. Do you hasve to make less effort if the bird flies from its positon in the cage and manages to stay in the middle without touching the walls of he cage? Does it make a dciference whether the cage is completely closed or it has rods to let air pass?

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HC VERMA-CENTRE OF MASS, LINEAR MOMENTUM, COLLISION-Short Answer
  1. A bob suspended from the ceiling of a car which is accelerating on a h...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  20. In one dimensional elastic collison of equla masses, the velocities ar...

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