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August 1, 2014

Homework Help: PHYSICS

Posted by hy on Sunday, December 5, 2010 at 12:11am.

The space probe Deep Space I was launched on October 24, 1998. Its mass was 474 kg. The goal of the mission was to test a new kind of engine called an ion propulsion drive. This engine generated only a weak thrust, but it could do so over long periods of time with the consumption of only small amounts of fuel. The mission was spetacularly successful. At a thrust of 49 mN how many days were required for the probe to attain a velocity of 850 m/s (1902 mi/h), assuming that the probe started from rest and that the mass remained nearly constant?

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