A body at rest breaks into two pieces with unequal mass 

a) 
Both of them have equal speeds 
b) 
Both of them move along a same line with unequal speeds 
c) 
Sum of their momentum is non zero 
d) 
They move along different lines with different speeds 
A body at rest breaks into two pieces with unequal mass 

a) 
Both of them have equal speeds 
b) 
Both of them move along a same line with unequal speeds 
c) 
Sum of their momentum is non zero 
d) 
They move along different lines with different speeds 
Both of them move along a same line with unequal speeds