A) 1 J
B) 2 J
C) 0.5 J
D) 4 J
Correct Answer: A
Solution :
Given, mass of the body\[(n)=1\,\,kg\] Momentum \[(p)=2\,\,N-sK.E.=?\] We know, \[K.E.=\frac{{{p}^{2}}}{2m}\Rightarrow K.E.=\frac{({{2}^{2}})}{2\times 1}=2J\]
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