1. What is the new kinetic energy of the 1900kg ship on the right moving at 4 m/s?

2. If the 0.10kg baseball on the right has a kinetic energy of 5 J, what is its velocity?

3. if the mosquito on the right is moving at 10 m/s anx has the the kinetic energy of 0.25 J, what is its mass?​