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While firing a bullet,the gun must be he...

While firing a bullet,the gun must be held tight to the shoulder.
"In the firing process the speed of the gun is very low compared to the speed of the bullet."
Substantiate the above statement using mathematical expressions.

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MAXIMUM PUBLICATION-LAWS OF MOTION-EXERCISE
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  2. While firing a bullet,the gun must be held tight to the shoulder. Wh...

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  3. While firing a bullet,the gun must be held tight to the shoulder. "I...

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  6. While firing the bullet,the gun must be held tight to the shoulder. ...

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  7. While firing the bullet,the gun must be held tight to the shoulder. ...

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  10. Obtain an expression for force using Newtons law.

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