Question
ST.8 Imagine that an external force of 100 N must be
applied to keep a bicycle and rider moving at a constant
speed of 12 mi/h against opposing air drag. To double the
bike's speed to 24 mi/h, we must increase the magnitude
of the force exerted on the bike to
A. 141 N
B. 200 N
be
C. 400 N
D. It depends on the bike's shape and area
E. Other (specify)
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Transcribed Image Text

ST.8 Imagine that an external force of 100 N must be applied to keep a bicycle and rider moving at a constant speed of 12 mi/h against opposing air drag. To double the bike's speed to 24 mi/h, we must increase the magnitude of the force exerted on the bike to A. 141 N B. 200 N be C. 400 N D. It depends on the bike's shape and area E. Other (specify)