MP47- Gravitational Potential Energy

# MP47- Gravitational Potential Energy - MasteringPhysics:...

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4/28/08 3:03 PM MasteringPhysics: Assignment Print View Page 1 of 2 http://session.masteringphysics.com/myct/assignmentPrint?assignmentID=1114168 [ Print View ] PHYS 2211 ABCDE Spring 08 MP47: Gravitational Potential Energy Due at 11:59pm on Sunday, April 6, 2008 View Grading Details Energy of a Spacecraft Very far from earth (at ), a spacecraft has run out of fuel and its kinetic energy is zero. If only the gravitational force of the earth were to act on it (i.e., neglect the forces from the sun and other solar system objects), the spacecraft would eventually crash into the earth. The mass of the earth is and its radius is . Neglect air resistance throughout this problem, since the spacecraft is primarily moving through the near vacuum of space. Part A Find the speed of the spacecraft when it crashes into the earth. Hint A.1 How to approach the problem Hint not displayed Part A.2 Total energy Part not displayed Part A.3 Potential energy Part not displayed Express the speed in terms of

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## This note was uploaded on 05/08/2008 for the course PHYSICS 2211 taught by Professor Uzer during the Spring '08 term at Georgia Tech.

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MP47- Gravitational Potential Energy - MasteringPhysics:...

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