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A 7 g bullet is fired at 119 m/s how much kinetic energy does it have? Round to the nearest whole
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22 votes
22 votes
A 7 g bullet is fired at 119 m/s how much kinetic energy does it have? Round to the nearest whole

User Jaber Kibria
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1 Answer

18 votes
18 votes

\begin{gathered} K.E=(1)/(2)mv^2 \\ \\ =(1)/(2)*(7)/(1000)*(119)^2 \\ \\ =49.5635J \end{gathered}

Remember

mass must be in kg.

RESULT,

49.5635J

User Bbosak
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2.7k points
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