Gen Phys 1

Momentum, impulse, and collisions

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Article

Equations

(9.1)p=mv(Momentum) p=pA+pB+...=mAvA+mBvB+... (9.2)F=dpdt(Newton's second law) F=d(mv)dt (9.3)J=Δp(Impulse) Δp=FΔt J=FΔt=Fdt (9.4)rcm=m1r1+m2r2+m3r3+...m1+m2+m3+...(Center of mass) (9.5)Mvcm=m1v1+m2v2+m3v3+...=P(Momentum of center of mass) (9.6)Fext=Macm(Collection of particles, net charge ~ 0)

Exercises

  1. problem 1
  2. problem 2
  3. problem 3

Quiz

  1. Question 1
  2. Question 2
  3. Question 3

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