Phys 2101 Gabriela González

2!

•  Ch 2,4 - Kinematics: motion in 1,2 and 3D: x(t), v(t), a(t) •  Ch 5,6 - Dynamics: F = ma •  Ch 7,8 - Energy: potential, kinetic, Work-Energy theorem •  Ch 9 – Center of mass, linear momentum : collisions. •  Ch 10, 11 - Rotation: τ=Iα, rotational energy, rolling, angular momentum, rigid bodies •  Ch 12: Equilibrium, elasticity: F=0, τ=0 •  Ch 13: Gravitation: F = Gm1m2/r2, U = - GMm/r, Kepler’s laws •  Ch 14: Fluids: at rest, p-p0=ρgh, buoyant force •  Ch 15: Oscillations: x(t) = xm sin(ωt+φ), potential, kinetic energy •  Ch 16: Waves: y(x,t) = ym cos(kx-ωt+φ), standing waves •  Ch 18, 19, 20: Thermodynamics: temperature, ideal gases, heat, internal energy, work, entropy, heat engines.

3!

•  Ch 2,4 - Kinematics: motion in 1,2 and 3D: x(t), v(t), a(t) •  Ch 5,6 - Dynamics: F = ma •  Ch 10, 11: Rotation τ=Iα, rolling

4!

• Ch 7,8 - Energy: potential, kinetic, Work-Energy theorem • Ch 9 - Particles, collisions: Linear momentum. •  Ch 10, 11 – Rotation: rotational energy, angular momentum •  Ch 12: Equilibrium, elasticity: F=0, τ=0

5!

•  Ch 13: Gravitation: F = Gm1m2/r2, U = - GMm/r: for two and for several masses!

•  Ch 14: Fluids: at rest. Buoyant force.

6!

•  Ch 15 - Oscillations: x(t) = xm cos(ωt+φ),

•  Ch 16: Waves   Traveling y(x,t) = ym sin(kx-ωt+φ);   Superposition (interference, standing waves)

7!

•  Ch 18:   Temperature and heat,   Thermal expansion   Heat capacity, specific heat, heat of transformation:

Q = c m ΔT, Q = L m

8!

•  Ch 18:   First law of thermodynamics ΔEint = Q – W   p, V diagrams

•  Ch 19: Kinetic theory   Ideal gases:

pV = nRT

  Specific heat: Q = nCPΔT or n CV ΔT; CV=(f/2)R; CP =CV+R

  Eint= (f/2) nRT

9!

10!

Ch 20:   Reversible and irreversible processes: entropy   Second law of thermodynamics: ΔS ≥ 0   Heat engines: ε = W/QH ≤ εC = 1- TL/TH   Refrigerators: K=QL/W ≤Kc=TL /(TH-TL)

11!

•  Mild (low C):   revisit homework sets;   revisit your exams;   read chapter summaries;   read formula sheet

•  Medium (Solid C):   read class slides;   revisit class problems;   do all checkpoints,   solve ~1/2 questions;   read all problems;   solve a few old exams

•  Hot (B):   read whole chapters;   solve all questions;   solve ~1/2 problems   solve many old exams

•  Tabasco hot (A):   solve ALL problems,   invent new problems   solve all old exams

PHYS 2101

PHYS 2101

PHYS 2101

PHYS 2101

Save some time to sleep before the exam!!