# Homework 7 - yindeemark (rry82) Homework 7 chelikowsky...

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Unformatted text preview: yindeemark (rry82) Homework 7 chelikowsky (59005) 1 This print-out should have 10 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points If the earth were of uniform density, what would be the value of g inside the earth at half its radius? (The value of g at the surface of earth is 9.8 m/s 2 .) 1. 39.2 m/s 2 2. 9.8 m/s 2 3. 4.9 m/s 2 4. 19.6 m/s 2 002 10.0 points The planet Mars has a mass of 6 . 1 10 23 kg and radius of 3 . 2 10 6 m. What is the acceleration of an object in free fall near the surface of Mars? The value of the gravitational constant is 6 . 67259 10 11 N m 2 / kg 2 . Answer in units of m / s 2 . 003 10.0 points An apparatus like the one Cavendish used to find G has large lead balls that are 7 kg in mass and small ones that are 0 . 028 kg. The center of a large ball is separated by 0 . 055 m from the center of a small ball....
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## This note was uploaded on 03/26/2010 for the course PHY 303K taught by Professor Turner during the Fall '08 term at University of Texas at Austin.

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Homework 7 - yindeemark (rry82) Homework 7 chelikowsky...

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