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Completion type Question : The position of a body with respect to time is given by `x = 2t^(3) - 6t^(2) + 92t + 6`. If x is in metres and t in seconds, then acceleration at t = 0 is

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SL ARORA-MECHANICS-Exercise
  1. Completion type Question : From a place, where g = 9.8 ms^(-2), a ston...

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  2. A food packet is released from a helicopter which is rising steadily a...

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  3. Completion type Question : The position of a body with respect to time...

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  4. Explain how can a body be simultaneously at rest and in motion?

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  5. If the origin is shifted to the point (0,-2) by a translation of the a...

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  6. Can a body have a. Zero instantaneous velocity and yet be accelerati...

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  7. Assertion: The average velocity of a particle is zero in a time interv...

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  8. If the displacement of a particle is zero, then distance covered by it

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  9. In Ques.8, the direction of acceleration is

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  10. Does the acceleration produced in a freely falling body depend on the ...

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  11. Two balls of different masses are thrown vertically upwards with the s...

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  12. In a case of a motion, displacement is directly proportional to the sq...

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  13. The displacement of a body is proporticonal to the cube of time elapse...

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  14. True/False type quesiton : The ratio of the distances covered by a bod...

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  15. Assertion: A body,whatever its motion, is always at rest in a frame of...

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  16. Explain that a particle can have zero average velcoity but not zero av...

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  17. Assertion: A body having non zero acceleration can have a constant vel...

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  18. Matching type Question :

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  19. Matching type Question : For a body thrown vertically upwards with ini...

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  20. Matching type Question :

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