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When a ball is thrown up , the magnitude...

When a ball is thrown up , the magnitude of its momentum decreases end then increase . Does this violate the conervation of momenturn priaciple ?

Text Solution

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The correct Answer is:
No
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Knowledge Check

  • When momentum of a body increases by 200% its KE increases by

    A
    `200%`
    B
    `300%`
    C
    `400%`
    D
    `800%`

  • When a wire drawn until its radius decreases by 3% then percentage of increase in resistance is-

    A
    `10%`
    B
    `9%`
    C
    `6%`
    D
    `12%`

  • When the momentum of a body decreases by 10%, its K.E. decreases by

    A
    0.2
    B
    0.4
    C
    0.36
    D
    none of these

    • Similar Questions

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    A body when thrown upwards, changes its velocity therefore it changes its momentum. Does this violate the conservation of momentum principle ? Justify.

    Suppose a ball of mass m is thrown vertically upward with an initial speed v , its speed decreases continuously till it becomes zero. Thereafter, the ball beigns to fall downward and attains the speed v again before striking the ground. It implies that the magnitude of initial and final momentums of the ball are same. Yet, it is not an example of conservation of momentum. Explain why?

    A ball is thrown vertically upwards. What is its momentum at the highest point?

    When a ball is thrown inside a moving bus, does its kinetic energy depend on the speed of the bus ? Explain.

    Does entropy increase or decrease when egg is boiled?

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