A river flows due south with a speed of 2.4 m/s. A man steers a motorboat across the river; his velocity relative to the water is 3.2 m/s due east. The river is 770 m wide.

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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Part A
What is the magnitude of his velocity relative to the earth?
Express your answer using two significant figures.
1Π ΑΣΦ
@
?
V =
Submit Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
Part B.
What is the direction of his velocity relative to the earth?
Express your answer using two ignificant figures.
ΠΠ ΑΣΦ
?
=
Submit
Request Answer
-
m/s
between his velocity and the direction to the east
Part C
How much time is required to cross the river?
Express your answer using two significant figures.
15] ΑΣΦ
?
Submit
S
Request Answer
Part D
How far south of his starting point will he reach the opposite bank?
Express your answer using two significant figures.
IVE ΑΣΦ
?
L=
Submit Request Answer
m
Transcribed Image Text:Part A What is the magnitude of his velocity relative to the earth? Express your answer using two significant figures. 1Π ΑΣΦ @ ? V = Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B. What is the direction of his velocity relative to the earth? Express your answer using two ignificant figures. ΠΠ ΑΣΦ ? = Submit Request Answer - m/s between his velocity and the direction to the east Part C How much time is required to cross the river? Express your answer using two significant figures. 15] ΑΣΦ ? Submit S Request Answer Part D How far south of his starting point will he reach the opposite bank? Express your answer using two significant figures. IVE ΑΣΦ ? L= Submit Request Answer m
A river flows due south with a speed of 2.4 m/s. A man steers a
motorboat across the river; his velocity relative to the water is 3.2
m/s due east. The river is 770 m wide.
Transcribed Image Text:A river flows due south with a speed of 2.4 m/s. A man steers a motorboat across the river; his velocity relative to the water is 3.2 m/s due east. The river is 770 m wide.
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