PHYS 157

UBC

Course Overview

Grade Boosters

Lessons & Practice

I. Welcome

1. Foundations / Introduction / Measurement

55min

1.1.2. Example: Converting between units4 min

1.1.3. Practice: Volume Conversion

1.2.1. Significant Figures5 min

1.2.2. Significant Figures in Calculations7 min

1.2.3. Example: Significant Figures4 min

1.2.4. Practice: Significant Figures

1.2.5. Practice: Significant Figures

1.3.1. Scientific Notation

1.3.2. Example: Scientific Notation

1.3.3. Practice: Scientific Notation

1.4.1. Percent Error2 min

1.4.2. Example: Percent Error2 min

1.4.3. Practice: Percent Error

1.5.1. Dimensional Analysis3 min

1.5.2. Example: Dimensional Analysis7 min

1.5.3. Practice: Dimensional Analysis2 min

1.6.1. Unit Conversion5 min

1.6.2. Example: Unit Conversion4 min

1.6.3. Example: Unit Conversion Practice 2 min

1.6.4. Practice: Counting heartbeats2 min

1.7.1. Orders of Magnitude4 min

2. Heat and Temperature

3hr

2.1.1. Thermal Equilibrium6 min

2.1.2. Example: Temperature Scales

2.1.3. Practice: Temperature Scales

2.2.1. Linear Expansion3 min

2.2.2. Area Expansion6 min

2.2.3. Example: Thermal Expansion5 min

2.2.4. Volume Expansion4 min

2.2.5. Practice: Thermal Expansion10 min

2.3.1. Thermal Stress and Strain33 min

2.3.2. Example: Thermal Stress11 min

2.3.3. Practice: Thermal Stress21 min

2.4.1. Specific Heat and Calorimetry15 min

2.4.2. Example: Calorimetry6 min

2.4.3. Example: Phase Change8 min

2.4.4. Practice: Calorimetry21 min

2.5.1. Heat Transfer Through Conduction3 min

2.5.2. Example: Heat Transfer2 min

2.6.1. Conductor In Series Theory5 min

2.6.2. Example: Conductors In Series 3 min

2.6.3. Conductors In Parallel3 min

2.7.1. Heat Transfer Through Radiation12 min

2.7.2. Example: Radiation4 min

2.7.3. Absorption7 min

2.8.1. Sun & Earth model4 min

2.9.1. Radiation Spectrum Theory3 min

3. Thermodynamics

2.5hr

3.1.1. Ideal Gas Law1 min

3.1.2. Example: Ideal Gases 4 min

3.1.3. Practice: Thermodynamics and Ideal Gases3 min

3.1.4. First Law of Thermodynamics5 min

3.4.1. Thermodynamic Processes12 min

3.4.2. Thermodynamics4 min

3.4.3. Example: Adiabatic Processes4 min

3.4.4. Practice: pV Work1 min

3.5.1. PV Diagrams & Thermodynamic Processes5 min

3.5.2. Example: PV Diagram

3.5.3. Practice: First Law of Thermodynamics3 min

3.5.4. Practice: Thermodynamic Processes 5 min

3.6.1. Thermodynamic Cycles 2 min

3.6.2. Example: Thermodynamic Cycle (PV Diagram)

3.6.3. Practice: Thermodynamic Cycle (PV Diagram)2 min

3.7.1. Heat Engines & Refrigerators11 min

3.7.2. Example: The Carnot Cycle 11 min

3.7.3. Practice: Otto Cycle13 min

3.8.1. Heat Pumps11 min

3.8.2. Example: Calculate the coefficient of performance (COP) for an air-to-air heat pump

3.8.3. Practice: Heat Pump

3.9.1. The Laws of Thermodynamics6 min

3.9.2. Example: Entropy

3.9.3. Practice: Entropy

3.10.1. Entropy13 min

3.10.2. Example: Entropy9 min

3.11.1. Thermodynamical Processes in TS – Diagram9 min

3.11.2. Practice: PV and TS Diagrams17 min

4. Periodic Motion: Oscillations

5hr

4.1.1. Concepts of Oscillation (Basic Version)10 min

4.1.2. Concepts of Oscillation (Advanced Version)14 min

4.1.3. Example: SHM position function

4.1.4. Practice: Angular motion2 min

4.2.1. Velocity and Acceleration in SHM (Advanced)7 min

4.2.2. Velocity and Acceleration in SHM (Basic)10 min

4.2.3. Finding Acceleration by Knowing Displacement (Advanced)6 min

4.2.4. Example: SHM with mass on a spring

4.2.5. Practice: Oscillations - Displacement Function7 min

4.2.6. Practice: Oscillations - Acceleration Graph

4.3.1. SHM as the Projection of a Uniform Circular Motion11 min

4.3.2. Example: SHM from Circular Motion - Equation of Position (x)

4.3.3. Practice: SHM from Circular Motion - Equation of Position (y)

4.4.1. Finding the Phase Constant27 min

4.4.2. Example: Drawing the Position Graph16 min

4.4.3. Practice: Displacement Function10 min

4.5.1. Energy of an Oscillator11 min

4.5.2. Example: Spring & Mass System 10 min

4.5.3. Practice: Energy of Oscillation 4 min

4.6.1. Vertical springs13 min

4.6.2. Example: Vertical Springs7 min

4.6.3. Practice: Vertical Springs6 min

4.6.4. Practice: Oscillations (Tricky!)8 min

4.7.1. Simple Pendulums 7 min

4.7.2. Example: Simple Pendulum3 min

4.7.3. Practice: Simple Pendulum7 min

4.8.1. Physical Pendulum4 min

4.8.2. Example: Physical Pendulum4 min

4.8.3. Practice: Simple Pendulum7 min

4.8.4. Practice: Simple Harmonic Motion: Pendulum

4.8.5. Practice: Oscillations - Displacement Function7 min

4.9.1. A Quick Review on Buoyant Forces6 min

4.9.2. Buoyancy Theory6 min

4.9.3. Oscillation of Floating Objects10 min

4.9.4. Example: Oscillation of Floating Object6 min

4.9.5. Practice: Oscillation of Floating Buoy

4.10.1. Simple Harmonic Motion for Small Deviations from Equilibrium14 min

4.10.2. Example: Small Oscillations

4.11.1. Coupled Simple Harmonic Oscillators

4.11.2. Practice: Couples Oscillators

4.12.1. Damped Oscillation Theory20 min

4.12.2. Energy in a Damped Oscillation6 min

4.12.3. Example: Damped Oscillation 6 min

4.12.4. Practice: Damping (Tricky!)17 min

4.13.1. Critical Damping and Over-Damping Conditions8 min

4.13.2. Example: critically damping motion2 min

4.13.3. Practice: Damping Motion2 min

4.14.1. Forced or Driven Oscillation6 min

4.14.2. Example: Forced Oscillation2 min

4.14.3. Practice: Forced Oscillation (Tricky!)

5. Waves: Mechanical

43min

5.1.1. General Definition of a Traveling Wave

5.1.2. Sinusoidal Waves

5.1.3. Example: Waves

5.1.4. Practice: Waves

5.2.1. Snapshots and History Plots

5.2.2. Example: Wave Graph

5.2.3. Practice: History Plot

5.3.1. Particle Velocity and Acceleration

5.3.2. Example: Displacement, Velocity, Acceleration

5.3.3. Practice: Displacement, Velocity, Acceleration

5.4.1. Speed of Waves in Strings

5.4.2. Example: Wave and Tension

5.4.3. Practice: String Mass Density

5.5.1. Transmitted Power and Intensity9 min

5.5.2. Example: Intensity of Sunlight

5.5.3. Practice: Power of a Traveling Wave

5.6.1. Interference and Superposition

5.6.2. Example: Superposition

5.6.3. Practice: Superposition

5.7.1. Standing Waves

5.7.2. Standing Wave Equation

5.7.3. Example: Wavelength of a Standing Wave

5.7.4. Practice: Standing Waves

5.8.1. Standing Waves in Strings with Both Ends Fixed

5.8.2. Example: Standing Wave

5.8.3. Practice: Standing Wave

5.9.1. Standing Waves in Air Pipes

5.9.2. Two Ends Closed

5.9.3. Two Ends Open

5.9.4. One End Open & One End Closed

5.9.5. Example: Standing Waves in Air Pipes

5.9.6. Practice: Standing Waves in Air Pipes

Mock Exams

ME.1. First Midterm - Mock Assessment17 Qns

ME.2. Second Midterm - Mock Assessment31 Qns

ME.3. Final Exam - Mock Assessment39 Qns

ME.2 Second Midterm - Mock Assessment

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