An object falling through air experiences a drag force that is proportional to the square of...
An object falling through air experiences a drag force that is proportional to the square of its speed. If its cross-sectional area is defined as A, its terminal speed is proportional to:
A. A-1
B. A1/2
C. A2
D. A-1/2
Homework Answers
We know that the drag force is given by as
F = C p A V2 /2
Now terminal velocity
Vt = (2mg/pCA)^1/2
So Vt is proportional to A^ -1/2 (option d )
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