Episode 216: Energy Changes

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This learning episode, from the Institute of Physics, looks at kinetic energy, work and velocity in relation to the braking distance of a vehicle.

Two experiments are included, both of which connect work done in braking to the initial kinetic energy of the decelerating vehicle.

The activities include:
• discussion of work, force and distance to emphasise the link between initial kinetic energy and work done in deceleration
• investigating the movement of a sliding block on a surface
• student calculations

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