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A particle of mass 100 g is fired with a...

A particle of mass 100 g is fired with a velocity of `20 ms^(-1)` making an angle of `30^(@)` with horizontal. When it rises to the point of its highest point, find the change in its momentum.

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Knowledge Check

  • A projectile of mass 100 g is fired with a velocity of 20 ms^(-1) making an angle of 30^@ with the borizontal. As it rises to the highest point of its path its momentum changes by .

    A
    ` 1//2 kg ms^(-1)`
    B
    `1 kg ms^(-1)`
    C
    ` 2 kg ms^(-1)`
    D
    none of these

  • A particle of mass m is projected with velocity v making an angle of 45^(@) with the horizontal. When the particle lands on the level ground the magnitude of the change in its momentum will be :

    A
    `sqrt 2 "mv"`
    B
    Zero
    C
    2 mv
    D
    `("mv")/(sqrt 2)`

  • A particle of mass m is projected with velocity upsilon making an angle of 45^(@) with the horizontal When the particle lands on the level ground the mag nitude of the change in its momentum will be .

    A
    `2m v`
    B
    `m v//sqrt2`
    C
    `m v sqrt2`
    D
    zero

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