Question

A person weighing `60kg` In a small boat of mass `140 kg` which is at rest, throws a `5 kg` stone in the horizontal direction with a velocity of `14m//s^(-1)`. The velocity of the boat immediately after the throw is (in `m//s`)
A. `1.2`
B. `0.5`
C. `0.35`
D. `0.65`

Answer 1

Correct Answer - C
`m_(1)u_(1)+m_(2)u_(2)=m_(1)v_(1)+m_(2)v_(2)`