The Helios B spacecraft had a speed of 71 km/s when it was 4.3 X 107 km

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The Helios B spacecraft had a speed of 71 km/s when it was 4.3 X 107 km from the sun.
(a) Prove that it was not in a circular orbit about the sun.
(b) Prove that its orbit about the sun was closed and therefore elliptical.
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Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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