Air Resistance: a 30

question 62

Multiple Choice

Air resistance: A 30.0-kg object experiences a drag force due to air resistance with a magnitude proportional to the square of its speed. The object falls with an acceleration of 4.00 m/s² downward when it is falling downward at 70.0 m/s. What is its terminal speed?

• A) 110 m/s
• B) 157 m/s
• C) 91.0 m/s
• D) 172 m/s
• E) 108 m/s

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