HW11-problems-1

HW11-problems-1 - al-buainain(mia454 – HW11 – mackie...

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Unformatted text preview: al-buainain (mia454) – HW11 – mackie – (10611)1This print-out should have 12 questions.Multiple-choice questions may continue onthe next column or page – find all choicesbefore answering.NOTE THE SAT DEADLINE00110.0 pointsThree masses are arranged in the (x, y)plane as shown.9 kg9 kg6 kgy(m)13579x(m)13579What is the magnitude of the resultingforce on the 9 kg mass at the origin? Thevalue of the universal gravitational constantis 6.6726×10-11N·m2/kg2.Answer in units of N.00210.0 pointsTheplanetKryptonhasamassof3.1×1023kg and radius of 2.2×106m.What is the acceleration of an object in freefall near the surface of Krypton? The gravita-tional constant is 6.6726×10-11N·m2/kg2.Answer in units of m/s2.003 (part 1 of 2) 10.0 pointsOn the way to the moon, the Apollo astro-nauts reach a point where the Moon’s gravi-tational pull is stronger than that of Earth’s.Find the distance of this point from thecenter of the Earth.The masses of theEarth and the Moon are 5.98×1024kg and7.....
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This note was uploaded on 12/11/2010 for the course PHYS 1061 taught by Professor Ell during the Spring '09 term at Temple.

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HW11-problems-1 - al-buainain(mia454 – HW11 – mackie...

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