Sunday, November 14, 2010

Agenda and Homework for November 16, 17

  • 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

Agenda for November 12, 15

  • Notebook check
  • Momentum quiz (2nd and 4th period)
  • Golf shot?
  • chain reaction start