A boat begins at point A and heads straight across a 60-meter wide river with a speed of 4 m/s (relative to the water). The river water flows north at a speed of 3 m/s (relative to the shore). The boat reaches the opposite shore at point C. Which of the following would cause the boat to reach the opposite shore at a location SOUTH of C? a. The boat heads across the river at 5 m/s. b. The boat heads across the river at 3 m/s. c. The river flows north at 4 m/s. d. The river flows north at 2 m/s. e. Nonsense! None of these affect the location where the boat lands.
A boat begins at point A and heads straight across a 60-meter wide river with a speed of 4 m/s (relative to the water). The river water flows north at a speed of 3 m/s (relative to the shore). The boat reaches the opposite shore at point C. Which of the following would cause the boat to reach the opposite shore at a location SOUTH of C? a. The boat heads across the river at 5 m/s. b. The boat heads across the river at 3 m/s. c. The river flows north at 4 m/s. d. The river flows north at 2 m/s. e. Nonsense! None of these affect the location where the boat lands.
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter3: Two-dimensional Kinematics
Section: Chapter Questions
Problem 65PE: An athlete crosses a 25-m-wide river by swimming perpendicular to the water current at a speed of...
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A boat begins at point A and heads straight across a 60-meter wide river with a speed of 4 m/s (relative to the water). The river water flows north at a speed of 3 m/s (relative to the shore). The boat reaches the opposite shore at point C. Which of the following would cause the boat to reach the opposite shore at a location SOUTH of C?
a. The boat heads across the river at 5 m/s.
b. The boat heads across the river at 3 m/s.
c. The river flows north at 4 m/s.
d. The river flows north at 2 m/s.
e. Nonsense! None of these affect the location where the boat lands.
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