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Lecture: 19   (iq16)

1. Description of a single particle system: m, v, p, E, K

1)    Dimensionless quantities: beta, gamma, beta gamma, etc

2)    Relationship between: beta, gamma, beta*gamma

3)    How to determine 1-beta, when beta is very close to 1?

4)    Relationship between E,  p, K and E0, where E0=mc2.

o   Quadratic relationship among E, cp, E0

o   Linear relationship among E, K  and E0

5)    Masses of elementary particles: examples

2. Application of energy principle to the decay of an unstable particle.

o   A 3-body decay

o   X decays into two-body in the rest frame of X.

3. Work done by three different forces

o   Gravitational force

o   Friction force

o   Spring force

4. Conservative force vs nonconservative force

 

Announcement:

o   An update on summary2: The figures referred to in the last bullet of chapter 5 should be: fig5.26 and fig5.37.

o   Monday lecture will be a review on unit 2. Please email me you questions. In the subject line please include the phrase “Phy 303K review”