Boat 1 goes directly across a stream a distance L and back taking a time t1 . Boat 2 goes down stream a distance L and back taking a time t2 . If both boats had the same speed relative to the water, which of the following statements is true?
a. t2 > t1
b. t2 < t1
c. t2 = t1
d. t2 = 2t1
e. t2 = 0.5t1
A
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