A) \[mu/T\]
B) \[2mu/T\]
C) \[mu/2T\]
D) None of these
Correct Answer: B
Solution :
In elastic one dimensional collision particle rebounds with same speed in opposite direction i.e. change in momentum \[=2mu\] But Impulse \[=F\times T=\]Change in momentum Þ \[{{F}_{0}}\times T=2mu\]Þ \[{{F}_{0}}=\frac{2mu}{T}\]
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