A river 98.6 m wide flows toward the south at 37.8 m/min, A girl on the west bank wishes to reach the east bank in the least possible time. She can swim 98.6 m in still water in 1.45 min.(a) How long does it take her to cross the river?(b) How far downstream does she travel?(c) What is her velocity relative to land?magnitudedirectionsouth of east:(d) What is the total distance she travels?(6) In what direction must she swim if she wishes to travel straight across the river?

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A river 98.6 m wide flows toward the south at 37.8 m/min, A girl on the west bank wishes to reach the east bank in the least possible time. She can swim 98.6 m in still water in 1.45 min. (a) How long does it take her to cross the river? (b) How far downstream does the travel? (c) What is her velocity relative to land? magnitude direction south of east (d) What is the total distance she travels (e) In what direction must she swim if she wishes to travel straight across the river?

A river 98.6 m wide flows toward the south at 37.8 m/min, A girl on the west bank wishes to reach the east bank in the least possible time. She can swim 98.6 m in still water in 1.45 min. (a) How long does it take her to cross the river? (b) How far downstream does the travel? (c) What is her velocity relative to land? magnitude direction south of east (d) What is the total distance she travels (e) In what direction must she swim if she wishes to travel straight across the river?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section5.1: Vectors

Problem 3PP

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