Review | Constants A river flows due south with a speed of 1.1 m/s. A man steers a motorboat across the river; his Part D velocity relative to the water is 3.2 m/s due east. The river is 750 m wide. How far south of his starting point will he reach the opposite bank? Express your answer using two significant figures.
Review | Constants A river flows due south with a speed of 1.1 m/s. A man steers a motorboat across the river; his Part D velocity relative to the water is 3.2 m/s due east. The river is 750 m wide. How far south of his starting point will he reach the opposite bank? Express your answer using two significant figures.
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I understand that x=vt is the equation we use for this problem ,but I don't why the answer would be x=(1.1m/s )(234s).Why do we use 1.1 m/s as the velocity instead of 3.4 m/s which is the magnitude of the velocity relative to earth?

Transcribed Image Text:Review | Constants
A river flows due south with a speed of 1.1 m/s. A
man steers a motorboat across the river; his
Part D
velocity relative to the water is 3.2 m/s due east.
The river is 750 m wide.
How far south of his starting point will he reach the opposite
bank?
Express your answer using two significant figures.
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