A) 100 mm
B) 80 mm
C) 60 mm
D) 40 mm
Correct Answer: C
Solution :
\[{{m}_{1}}{{v}_{1}}{{x}_{1}}={{m}_{2}}{{v}_{2}}{{x}_{2}}\] \[{{m}_{1}}={{m}_{2}}\] \[100\times 30=50\times {{x}_{2}}\] \[{{x}_{2}}=60\,\,mm\]You need to login to perform this action.
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