A) 120 m
B) 0.12 m
C) 12 m
D) 1.2 m
Correct Answer: D
Solution :
Velocity of combined mass, \[v=\frac{{{m}_{1}}{{v}_{1}}-{{m}_{2}}{{v}_{2}}}{{{m}_{1}}+{{m}_{2}}}\] = \[\frac{0.1\times 1-0.4\times 0.1}{0.5}=0.12\ m/s\] \ Distance travelled by combined mass =\[v\times t=\] 0.12 × 10 = 1.2 m.
You need to login to perform this action.
You will be redirected in
3 sec
