a. Explain what is meant by the gravitational field strength at a point. This diagram shows the
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a. Explain what is meant by the gravitational field strength at a point.
This diagram shows the dwarf planet, Pluto, and its moon, Charon. These can be considered to be a double planetary system orbiting each other about their joint centre of mass.
b. Calculate the gravitational pull on Charon due to Pluto.
c. Use your result to part b to calculate Charon’s orbital period.
d. Explain why Pluto’s orbital period must be the same as Charon’s.
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Related Book For
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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