the shore to the child. Martina runs along the shore for a while and then jumps into the water and swims from there directly to the child. Martina can run at a rate of 3 meters per second and swim at a rate of 0.8 meters per second. How far along the shore should Martina run before jumping into the water in order to save the child? Round your answer to three decimal places.
the shore to the child. Martina runs along the shore for a while and then jumps into the water and swims from there directly to the child. Martina can run at a rate of 3 meters per second and swim at a rate of 0.8 meters per second. How far along the shore should Martina run before jumping into the water in order to save the child? Round your answer to three decimal places.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Martina is a lifeguard and spots a drowning child 60 meters along the shore and 40 meters from the shore to the child. Martina runs along the shore for a while and then jumps into the water and swims from there directly to the child. Martina can run at a rate of 3 meters per second and swim at a rate of 0.8 meters per second. How far along the shore should Martina run before jumping into the water in order to save the child? Round your answer to three decimal places.
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