Space debris left from old satellites and their launchers is becoming a hazard to other satellites. (a) Calculate the speed of a satellite in an orbit 900 km above Earth's surface.

(c)Given the rivet is 3.00mm in size, how long will its collision with the satellite last?
(d)If its mass is 0.500g, what is the average force it exerts on the satellite?
(e)How much energy in joules is generated by the collision?

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Plant Assets 100,000 Beg. Acquisitions 428,000 52,500 Disposals End. 475,500 Accumulated Depreciation Plant Assets 20,000 12/31/2014 Disposals 10,500 34,000 Depr. Exp. 43,500 2/31/2015