Part A A river flows due south with a speed of 2.2 m/s. A man steers a motorboat across the river, his velocity relative to the water is 3.8 m/s due east. The river is 710 Im wide. What is the magnitude of his velocity relative to the earth? Express your answer using two significant figures. m/s Submit est Ans Part B What is the direction of his velocity relative to the earth? Express your answer using two significant figures. between his velocity and the direction to the east Submit est Answer PartC How much time is required to cross the river? Express your answer using two significant figures. Submit est Answer Part D How far south of his starting point will he reach the opposite bank? Express your answer using two significant figures. In Submit est Answer

Question
Part A
A river flows due south with a speed of 2.2 m/s. A man steers a motorboat across the river, his velocity relative to the water is 3.8
m/s due east. The river is 710 Im wide.
What is the magnitude of his velocity relative to the earth?
Express your answer using two significant figures.
m/s
Submit
est Ans
Part B
What is the direction of his velocity relative to the earth?
Express your answer using two significant figures.
between his velocity and the direction to the east
Submit
est Answer
PartC
How much time is required to cross the river?
Express your answer using two significant figures.
Submit
est Answer
Part D
How far south of his starting point will he reach the opposite bank?
Express your answer using two significant figures.
In
Submit
est Answer
Expand
Transcribed Image Text

Part A A river flows due south with a speed of 2.2 m/s. A man steers a motorboat across the river, his velocity relative to the water is 3.8 m/s due east. The river is 710 Im wide. What is the magnitude of his velocity relative to the earth? Express your answer using two significant figures. m/s Submit est Ans Part B What is the direction of his velocity relative to the earth? Express your answer using two significant figures. between his velocity and the direction to the east Submit est Answer PartC How much time is required to cross the river? Express your answer using two significant figures. Submit est Answer Part D How far south of his starting point will he reach the opposite bank? Express your answer using two significant figures. In Submit est Answer

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