This podcast introduces the formula for calculating rate of heat transfer through conduction, with an example problem to help demonstrate how the formula is used.

## Thursday, November 17, 2011

### Heat as Energy Transfer (Level: APB)

This podcast explains the definition of heat, and how it differs from internal energy. It also explains conduction, convection, and radiation as the three methods of heat transfer.

### Thermal Expansion (Level: APB)

This podcast discusses calculations for the linear and volume expansion of objects when heated.

### SHM & Uniform Circular Motion (Level: APC)

This podcast deals with the similarities between simple harmonic motion and uniform circular motion. Problem-solving is discussed, using functions for position, velocity, and acceleration of a simple harmonic oscillator.

### Energy in Simple Harmonic Motion (Levels: APB, APC)

This podcast explains how to think about the energy of a simple harmonic oscillator (specifically a mass-spring system), and also how to solve related problems.

## Wednesday, November 16, 2011

### Review Blast: Forces during Rolling (Level: APC)

This podcast is a very quick review of what forces are acting on a rolling object, and how those forces affect the object's motion.

### Review Blast: Rotational Energy Conservation (Level: APC)

This podcast is a very quick review of how to use energy-conservation ideas when an object is rotating during its motion.

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