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A 25-Kg Object Falls Vertically Downward in a Viscous Medium at at a Constant

Question 15

Multiple Choice

A 2.5-kg object falls vertically downward in a viscous medium at a constant speed of 2.5 m/s. How much work is done by the force the viscous medium exerts on the object as it falls 80 cm?


A) +2.0 J
B) +20 J
C) −2.0 J
D) −20 J
E) +40 J

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