Introduction To Health Physics
Introduction To Health Physics
5th Edition
ISBN: 9780071835275
Author: Johnson, Thomas E. (thomas Edward), Cember, Herman.
Publisher: Mcgraw-hill Education,
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Chapter 2, Problem 2.3P

Compute the mass of the Earth, assuming it to be a sphere of 25,000 miles circumference, if at its surface it attracts a mass of 1 g with a force of 980 dynes.

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A 3.5 kg mass weighs 29.05 N on the surfaceof a planet similar to Earth. The radius ofthis planet is roughly 6.2 × 106 m.Calculate the mass of of this planet. Thevalue of the universal gravitational constantis 6.67259 × 10−11 N · m^2/kg^2Answer in units of kg. Calculate the average density of this planet.Answer in units of kg/m^3
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Introduction To Health Physics

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