#Problems 1 - 5:

Problems 6: Fairly basic, but you must keep in mind that the force used to lift the person up the stairs is mg

#7 & #8) I'll revise #8 to show simply that Power = (Force)(velocity)

#9) Elegant but tough

Problem 16:

Problem #17

Problem 20:

Problem 22:

Problem #24

Problem #25 - Fairly Basic

Problem #28

Problem #31:

Problem #32 (Sorta-kinda difficult but VERY cool)