In 1610, Galileo used his telescope to discover four prominent moons around Jupiter. Their mean orbital radii

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In 1610, Galileo used his telescope to discover four prominent moons around Jupiter. Their mean orbital radii a and periods T arc as follows:

(a) Plot log a (y axis) against log T (x axis) and show that you get a straight line.

(b) Measure the slope of the line and compare it with the value that you expect from Kepler's third law.

(c) Find the mass of Jupiter from the intercept of this line with the yaxis.

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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