How much force is required to raise a 0.2 kg mass?

please only answer if you know it.

May someone explain how to do this question?

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

What is a possible result of higher air temperature caused by global warming