In this course we will be covering the topics Work, Energy and Power (Mechanics) and the Doppler Effect (Waves, Sound and Light). These videos have been created as an extra tool to use with our Gr 12 Physical Sciences 3-in-1 and Gr 12 Physical Sciences 2-in-1 study guides.

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Course Instructor

Norman Davies Norman Davies Instructor

Norman Davies has worked with matric students in a great variety of contexts and has a deep understanding of the challenges of learning Physical Sciences. He is currently teaching full-time and is a marker for Paper 1.

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Course Topics

Module 1: Mechanics – Work, Energy and Power

Work: Definition and Formula
Lesson 1 of 11 within section Module 1: Mechanics – Work, Energy and Power. You must enroll in this course to access course content.
Calculations of Work (Part 1)
Lesson 2 of 11 within section Module 1: Mechanics – Work, Energy and Power. You must enroll in this course to access course content.
Calculations of Work (Part 2)
Lesson 3 of 11 within section Module 1: Mechanics – Work, Energy and Power. You must enroll in this course to access course content.
Calculation of Net Work
Lesson 4 of 11 within section Module 1: Mechanics – Work, Energy and Power. You must enroll in this course to access course content.
Work-energy Theorem
Lesson 5 of 11 within section Module 1: Mechanics – Work, Energy and Power. You must enroll in this course to access course content.
Calculations with Work-energy Theorem
Lesson 6 of 11 within section Module 1: Mechanics – Work, Energy and Power. You must enroll in this course to access course content.
Conservative and Non-conservative forces
Lesson 7 of 11 within section Module 1: Mechanics – Work, Energy and Power. You must enroll in this course to access course content.
Work done by Non-conservative forces
Lesson 8 of 11 within section Module 1: Mechanics – Work, Energy and Power. You must enroll in this course to access course content.
Power: Definition and Calculations
Lesson 9 of 11 within section Module 1: Mechanics – Work, Energy and Power. You must enroll in this course to access course content.
Power: Borehole Pumps
Lesson 10 of 11 within section Module 1: Mechanics – Work, Energy and Power. You must enroll in this course to access course content.
Summary
Lesson 11 of 11 within section Module 1: Mechanics – Work, Energy and Power. You must enroll in this course to access course content.

Module 3: Waves, Sound and Light – Doppler Effect

Doppler Effect: Observation, Definition and Diagrams
Lesson 1 of 3 within section Module 3: Waves, Sound and Light – Doppler Effect. You must enroll in this course to access course content.
Doppler Equation and Calculations
Lesson 2 of 3 within section Module 3: Waves, Sound and Light – Doppler Effect. You must enroll in this course to access course content.
Applications
Lesson 3 of 3 within section Module 3: Waves, Sound and Light – Doppler Effect. You must enroll in this course to access course content.