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1)A 5-kg fish swallows an absentminded 1-kg fish swimming towards it at a velocity that brings both fish to a halt immediately after lunch

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1)A 5-kg fish swallows an absentminded 1-kg fish swimming towards it at a velocity that brings both fish to a halt immediately after lunch. What is the velocity of the smaller fish before it becomes lunch?

2)Use the concepts of this chapter to describe what would happen if you fire a gun that has bullet ten times as massive as the gun. 

3)An apple falls from a tree and strikes the ground without bouncing. What happens to its momentum? Is momentum conserved?

4)You and your friend toss a ball back and forth in the middle aisle of an airplane in flight. Does the kinetic energy of the ball depend on the speed of the airplane?

5)While standing on a skateboard you throw a 10 lb. bowling ball to the right with a velocity of 1 m/s. What happens next? Do you move to the right, left, or stay still? If you are moving how fast are you moving? Hint: You will need to supply your mass.