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what is the momentum of a man of mass 75...

what is the momentum of a man of mass `75kg` when he walks with a velocity of `2m//s`?

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Verified by Experts

Here, `m = 75kg, v=2m//s, p=?`
As `p=mv, p= 75xx2=150kg m//s`
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Knowledge Check

  • What is the momentum of an object of mass m , moving with a velocity v ?

    A
    `(mv)^(2)`
    B
    `mv^(2)`
    C
    `1//2 mv^(2)`
    D
    `mv`

  • The momentum of a person weighing 60kg walking with a velocity of 2m//s is

    A
    `60 N-s`
    B
    `300N-s`
    C
    `120 kg m//s`
    D
    none of these.

  • A boat of mass 50kg is at rest. A dog of mass 5kg moves in the boat with a velocity of 20m//s . What is the velocity of boat?

    A
    `4 m//s`
    B
    `2m//s`
    C
    `8m//s`
    D
    `1m//s`
    • PRADEEP-FORCES AND LAWS OF MOTION-EXERCISE
    1. what is the momentum of a man of mass 75kg when he walks with a veloci...

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    2. What would be the force required to produce an acceleration of 2m//s^(...

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    3. A man pushes a box of mass 50kg with a force of 80N. What will be the ...

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    4. A certain force exerted for 1.2s raises the speed of an object from 1...

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    5. A constant force acts on object of mass 5 kg for a duration of 2s It i...

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    6. Which would requires a greater force: accelerating a 2kg mass at 5m//s...

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    7. A motor car is moving with a velocity of 108 km//h and it takes 4 seco...

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    8. A force of 5N gives a mass m(1), an acceleration of 10m//s^(2), and a ...

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    9. The velocity time graph of a ball of mass 20g moving along a straight ...

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    10. For how long should a force of 100 N act on a body of mass 20kg so tha...

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    11. A 150g ball travelling at 30m//s strikes the plam of a player's hand a...

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    12. A body of mass 1kg is kept at rest. A constant force of 6.0 N starts a...

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    13. A force of 4N acts on a body of mass 2kg for 4s. Assuming the body to ...

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    14. A feather of mass 5g is dropped from a height. It is observed to fall ...

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    15. A bullet of mass 50g is fired from a gun of mass 6kg with a velocity o...

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    16. A machine gun fires 25g bullet at the rate of 600 bullets per minutes ...

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    17. A boy pushes a wall with a force of 20N. What is the magnitude and dir...

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    18. A bullet of mass 20 gram moving with a velocity of 300m//s gets embedd...

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    19. A girl of mass 50 kg jumps out of a rowing boat of mass 300 kg on to t...

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    20. A truck of mass 2500 kg moving at 15m//s collides with a car of mass 1...

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