A tiny gun made of a strong but very light material fires a bullet more massive than the gun itself. For such a weapon

A) the target would be safer than the shooter.
B) recoil problems would be lessened.
C) conservation of energy would not hold.
D) conservation of momentum would not hold.
E) both conservation of energy and momentum would not hold.


Answer: A

Physics & Space Science

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a.
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b.
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c.
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d.
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e.
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Which of the following statements about the celestial equator is true at all latitudes?

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