Answer:
Explanation:
Given
mass of boy 
mass of girl 
speed of girl after push 
Suppose speed of boy after push is 
initially momentum of system is zero so final momentum is also zero because momentum is conserved




i.e. velocity of boy is 2.82 m/s towards west
The answer to this question is going to be False
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Answer
when there are ten they don't grow so well but when there is less than 10 they tend to grow
the awnser to ur question is D