Calculate how long it would take a ball to orbit the Earth once, just above the surface,

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Calculate how long it would take a ball to orbit the Earth once, just above the surface, at a speed of 7920 m s−1. (The radius of the Earth is 6400 km.)

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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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