- Do Now
- A 70-kg skier leaves a ski jump at a velocity of 14 m/s. What is the skier’s momentum at that instant?
- A) 5 N•s
- B) 50 N•s
- C) 980 N•s
- D) 9800 N•s
- momentum quiz (1st period)
- Chapter 10.1 Energy and Work
- definition of work
- W = Fd
- definition of kinetic energy
- KE = 1/2 mv2
- work-energy theorum
- W = ΔKE
- work (angle between Force and Displacement)
(extra credit)
- W = F d cosθ
- definition of power
- P = W/t
- Robot Work Lab
- Homework
- read pp 257-265
- do problems #37, 44, 46, 59 on p. 278