13. A student can row a boat 6 km/h in still waters. She is on one bank of a 6-km-wide river that has a current of 3 km/h. A. Assuming she is allowed to land anywhere on the other shore: i. What is the smallest amount of time she needs to get to the opposite bank?

College Physics
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ISBN:9781285737027
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Chapter3: Vectors And Two-Dimensional Motion
Section: Chapter Questions
Problem 41P: A river has a steady speed of 0.500 m/s. A student swims upstream a distance of 1.00 km and swims...
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13. A student can row a boat 6 km/h in still waters. She is on one bank of a 6-km-wide
river that has a current of 3 km/h.
A. Assuming she is allowed to land anywhere on the other shore:
i. What is the smallest amount of time she needs to get to the opposite
bank?
Transcribed Image Text:13. A student can row a boat 6 km/h in still waters. She is on one bank of a 6-km-wide river that has a current of 3 km/h. A. Assuming she is allowed to land anywhere on the other shore: i. What is the smallest amount of time she needs to get to the opposite bank?
1. what is the student's speed as viewed by an observer on the river bank?
B. If the student has to land on the opposite bank at the point exactly across
from where she starts:
1. What angle should her boat make with respect to a line running straight
across the river?
11. What is the student's speed as viewed by an observer on the bank of
the river?
iii. How much time would she need to cross the river?
Transcribed Image Text:1. what is the student's speed as viewed by an observer on the river bank? B. If the student has to land on the opposite bank at the point exactly across from where she starts: 1. What angle should her boat make with respect to a line running straight across the river? 11. What is the student's speed as viewed by an observer on the bank of the river? iii. How much time would she need to cross the river?
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