College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Textbook Question
Chapter 3, Problem 57PE
A ship sets sail from Rotterdam, The Netherlands, heading due north at 7.00 m/s relative to the water. The local ocean current is 1.50 m/s in a direction 40.0° north of east. What is the velocity of the ship relative to the Earth?
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A jet airliner moving initially at 2.95 ✕ 102 mi/h due east enters a region where the wind is blowing at 1.00 ✕ 102 mi/h in a direction 27.0° north of east. (Let the x-direction be eastward and the y-direction be northward.)
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A jet airliner moving initially at 3.35 ✕ 102 mi/h due east enters a region where the wind is blowing at 1.00 ✕ 102 mi/h in a direction 29.5° north of east. (Let the x-direction be eastward and the y-direction be northward.)
(a) Find the components of the velocity of the jet airliner relative to the air,
vJA.
vJA,x
=
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vJA,y
=
mi/h
(b) Find the components of the velocity of the air relative to Earth,
vAE.
vAE,x
=
mi/h
vAE,y
=
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(d) What are the speed and direction of the aircraft relative to the ground?
magnitude
mi/h
direction
° north of east
A jet airliner moving initially at 2.60 ✕ 102 mi/h due east enters a region where the wind is blowing at 1.00 ✕ 102 mi/h in a direction 25.0° north of east. (Let the x-direction be eastward and the y-direction be northward.)
(a) Find the components of the velocity of the jet airliner relative to the air,
vJA.
vJA,x
=
? mi/h
vJA,y
=
? mi/h
(b) Find the components of the velocity of the air relative to Earth,
vAE.
vAE,x
=
?mi/h
vAE,y
=
?mi/h
(c) What are the speed and direction of the aircraft relative to the ground?
magnitude
mi/h
direction
° north of east
Chapter 3 Solutions
College Physics
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