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September 21, 2014

Homework Help: PHYSICS(HELP)

Posted by Anonymous on Friday, November 1, 2013 at 8:56am.

A meteorite of mass m= 210^4 kg is approaching head-on a planet of mass M= 410^29 kg and radius R= 210^4 km. Assume that the meteorite is initially at a very large distance from the planet where it has a speed v0= 510^2 km/s. Take G= 6.6710^−11.

Determine the speed of the meteorite v (in m/s) just before it hits the surface of the planet. (The planet has no atmosphere, so we can neglect all friction before impact)

v=

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