The Magnitude of the Drag Force of Air Resistance on a Certain

question 13

Multiple Choice

The magnitude of the drag force of air resistance on a certain 20.0-kg object is proportional to its speed. If the object has a terminal speed 80.0 m/s, what is the magnitude of the drag force on the object when it is falling with a speed 30.0 m/s?

• A) 196 N
• B) 7.50 N
• C) 15.0 N
• D) 73.5 N
• E) 42.7 N

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The act of pulling back or removing oneself or one's assets from a situation, investment, or commitment.

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