What is the initial velocity of the rowboat as it travels westward?

Resultant Velocity and River Crossing

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Physics
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9th - 10th Grade
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Hard

Patricia Brown
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.5 m/s
3 m/s
6 m/s
4 m/s
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the velocity of the river's current?
4 m/s
6 m/s
3 m/s
2.5 m/s
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the resultant velocity of the boat calculated?
By adding the velocities directly
By subtracting the velocities
Using the average of the velocities
Using the Pythagorean theorem
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the angle of the resultant velocity with respect to the westward direction?
90 degrees
247 degrees
180 degrees
67.4 degrees
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the width of the river that the boat needs to cross?
80 meters
60 meters
40 meters
20 meters
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which velocity is used to calculate the time taken to cross the river?
The average velocity
The resultant velocity
The downstream velocity
The westward velocity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How long does it take for the boat to cross the river?
10 seconds
16 seconds
25 seconds
20 seconds
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