A) \[\frac{{{p}^{2}}{{t}^{2}}}{m}\]
B) \[\frac{{{p}^{2}}{{t}^{2}}}{2m}\]
C) \[\frac{{{p}^{2}}{{t}^{2}}}{3m}\]
D) \[\frac{pt}{2m}\]
E) \[\frac{p{{t}^{2}}}{2m}\]
Correct Answer: B
Solution :
\[K=\frac{{{p}^{2}}}{2m}=\frac{{{p}^{2}}{{t}^{2}}}{2m}\] \[\left( \because F=p=\frac{p}{t} \right)\]
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