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July 31, 2014

Homework Help: Physics

Posted by Stehlin on Tuesday, February 19, 2013 at 9:16am.

A 10.0-kg object experiences a drag force due to air resistance. The magnitude of this drag
force depends on its speed, and obeys the equation Fdrag =(12.0 N-s/m)v + (4.00 N-s2/m2)v2.
(a) What is the terminal speed of this object if it is falling due to gravity?
(b) At what velocity (magnitude and direction) is the net force on the object half its weight?
(c) At what velocity (magnitude and direction) is the net force on the object twice its weight?

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