ass of A is 4 times that of B. What is the ratio of their mean velocities? a) 1 : 4 b) 4 : 1 c) 1 : 2 d) 2 : 1
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Mass of A is 4 times that of B. What is the ratio of their mean velocities?
a) 1 : 4
b) 4 : 1
c) 1 : 2
d) 2 : 1
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