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Mass of a Come L On July 4, 2005, the NASA spacecraft Deep Impact fired a projectile onto the surface of Comet Tempell. This comet is about 9.0 k/n across. Observations of surface debris released by the impact showed that

Mass of a Come L On July 4, 2005, the NASA spacecraft Deep Impact fired a projectile onto the surface of Comet Tempell. This comet is about 9.0 k/n across. Observations of surface debris released by the impact showed that dust with a speed as low as 1.0 m/s was able to escape the comet.
(a) Assuming a spherical shape, what is the mass of this comet? (Hint: See Example 12.5 in Section 12.3.)
(b) How far from the comet's center will this debris be when it has lost (i) 90.0% of its initial kinetic energy at the surface; and (ii) all of its kinetic energy at the surface?

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Physics

Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Posted Date: March 09, 2010 02:42:20
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