Solve the given problem:
 
A bomb of mass 10 \(kg\) initially at rest explodes into \(two\) fragments of masses of 6 \(kg\) and 4 \(kg\),  respectively. If the greater mass moves with a velocity of 5 ms1, find the velocity of the 4 \(kg\) mass.

Velocity
\(=\)  ms1
 
Important!
Note: Enter your answer with 1 decimal digit