Said can swim at 5 m/s in still water. He wishes to swim across a river 200m wide to a point directly opposite from where he is standing. The river flows westward at 4 m/s and he is standing on the south bank of the river. a) Draw a diagram. b) What is Said’s speed relative to the ground? c) In what direction must Said head? d) How long does it take to cross the river??
Said can swim at 5 m/s in still water. He wishes to swim across a river 200m wide to a point directly opposite from where he is standing. The river flows westward at 4 m/s and he is standing on the south bank of the river. a) Draw a diagram. b) What is Said’s speed relative to the ground? c) In what direction must Said head? d) How long does it take to cross the river??
Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Vectors
Section: Chapter Questions
Problem 39AP: Review. The biggest stuffed animal in the world is a snake 420 m long, constructed by Norwegian...
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Said can swim at 5 m/s in still water. He wishes to swim across a river 200m wide to a point
directly opposite from where he is standing. The river flows westward at 4 m/s and he is standing
on the south bank of the river.
a) Draw a diagram.
b) What is Said’s speed relative to the ground?
c) In what direction must Said head?
d) How long does it take to cross the river??
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