A swimmer is in Lake Ontario, 2 km from shore. She needs to swim to shore, then run to a point along shore 10 km from her closest landing point. She can swim at 1.5 km/h and run on shore at 4.5 km/h. Where should she exit the water to arrive at her destination in the least time?
A swimmer is in Lake Ontario, 2 km from shore. She needs to swim to shore, then run to a point along shore 10 km from her closest landing point. She can swim at 1.5 km/h and run on shore at 4.5 km/h. Where should she exit the water to arrive at her destination in the least time?
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 24RE: A ladder has 15 tapered rungs, the lengths of which increase by a common difference. The first rung...
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A swimmer is in Lake Ontario, 2 km from shore. She needs to swim to shore, then run to a point along shore 10 km from her closest landing point. She can swim at 1.5 km/h and run on shore at 4.5 km/h. Where should she exit the water to arrive at her destination in the least time?
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