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A 20 gram bullet moving at 300m//s stops...

A `20` gram bullet moving at `300m//s` stops after penetrating `3cm` of bone. Calculate the average force exerted by the bullet .

Text Solution

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The correct Answer is:
`-3xx10^(4)N`
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Knowledge Check

  • A 10 g bullet moving at 200 m/s stops after penetrating 5 cm of wooden plank. The average force exerted by the bullet will be

    A
    `2000`N
    B
    `-2000`N
    C
    `4000 `N
    D
    `-4000 `N

  • A 10.0-g bullet traveling horizontally at 755 m/s strikes a stationary target and stops after penetrating 14.5 cm into the target. What is the average force of the target on the bullet ?

    A
    `1.97xx10^(4)`N
    B
    `6.26xx10^(3)`N
    C
    `2.07xx10^(5)`N
    D
    `3.13xx10^(4)N`

  • A 30gm bullet initially at 120m//s penetrates 12cm into a wooden block. The average block. The average resistance exerted by the wooden block is.

    A
    `2850N`
    B
    `2200N`
    C
    `2000N`
    D
    `1800N`
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