Multiple Choice
A swimmer enters a straight river at Point A and attempts to swim directly across to the opposite shore. Instead, the swimmer arrives at Point B diagonally downstream on the opposite shore after 80 seconds of swimming. If the river is 30 m wide and flows downstream at a velocity of 0.5 m/s, what is the minimum distance between Points A and B? (Note: Assume the swimmer does not act to oppose the flow of the river.)
A) 30 m
B) 40 m
C) 50 m
D) 60 m
Correct Answer:

Verified
Correct Answer:
Verified
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