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yaroslaw [1]
2 years ago
5

two piers, a and b, are located s km away from each other along a river. a motorboat, with a speed of v km/hour in still water,

is cruising between the two piers. How much time t (in hours) will the motorboat need to get from pier a to pier b and back, if the speed of the current is 5km/hour? find t if: s=105 v=40
Mathematics
1 answer:
Lyrx [107]2 years ago
3 0

Answer:

speed in still water is v=40 speed of current

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