A gun fires a bullet of mass \[50\,\,g\] with a velocity of\[30\,\,m\,\,{{s}^{-1}}\]. Because of this, the gun is pushed back with a velocity of 1 m s-1.What is the mass of the gun?

A gun fires a bullet of mass \[50\,\,g\] with a velocity of\[30\,\,m\,

1.	A gun fires a bullet of mass \[50\,\,g\] with a velocity of\[30\,\,m\,\,{{s}^{-1}}\]. Because of this, the gun is pushed back with a velocity of 1 m s-1.What is the mass of the gun?
A.	\[3.5\,\,kg\]
B.	\[30\,\,kg\]
C.	\[1.5\,\,kg\]
D.	\[20\,\,kg\]
Answer» D. \[20\,\,kg\]

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A gun fires a bullet of mass \[50\,\,g\] with a velocity of\[30\,\,m\,\,{{s}^{-1}}\]. Because of this, the gun is pushed back with a velocity of 1 m s-1.What is the mass of the gun?

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