a. A toy car works by means of a stretched rubber band. What form of potential energy

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a. A toy car works by means of a stretched rubber band. What form of potential energy does the car store when the band is stretched?
b. A bar magnet is lying with its north pole next to the south pole of another bar magnet. A student pulls them apart. Why do we say that the magnets’ potential energy has increased? Where has this energy come from?

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Cambridge International AS And A Level Physics Coursebook

ISBN: 9781108859035

3rd Edition

Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside

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