A stream flows at a rate of 3.9 km/hr. A boat has a speed of 7.6 km/hr. While in the stream the boat travels upstream a distance of 2 km as measured along the shore, then travels back downstream to its starting point. Neglect the time to turn around. a. Find the time it takes the boat to go upstream b. Find the time it takes the boat to do downstream c. What would it have taken to make the entire round trip in still water?
A stream flows at a rate of 3.9 km/hr. A boat has a speed of 7.6 km/hr. While in the stream the boat travels upstream a distance of 2 km as measured along the shore, then travels back downstream to its starting point. Neglect the time to turn around. a. Find the time it takes the boat to go upstream b. Find the time it takes the boat to do downstream c. What would it have taken to make the entire round trip in still water?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A stream flows at a rate of 3.9 km/hr. A boat has a speed of 7.6 km/hr. While in the stream the boat travels upstream a distance of 2 km as measured along the shore, then travels back downstream to its starting point. Neglect the time to turn around.
a. Find the time it takes the boat to go upstream
b. Find the time it takes the boat to do downstream
c. What would it have taken to make the entire round trip in still water?
![**Problem Statement**
A stream flows at a rate of **3.9 km/hr**. A boat has a speed in still water of **7.6 km/hr**. While in the stream, the boat travels upstream a distance of **2 km** as measured along the shore, then travels back downstream to its starting point. Neglect the time to turn around.
1. **Find the time it takes the boat to go upstream.**
\[ \text{______ minutes} \]
2. **Find the time it takes the boat to go back downstream.**
\[ \text{______ minutes} \]
3. **What would it have taken to make the entire round trip in still water?**
\[ \text{______ minutes} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fce4a768a-b42b-4fda-b72d-39b185ee75d9%2F5cd7e162-9b51-466e-8719-7640a4f64526%2Fu2ahv6f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem Statement**
A stream flows at a rate of **3.9 km/hr**. A boat has a speed in still water of **7.6 km/hr**. While in the stream, the boat travels upstream a distance of **2 km** as measured along the shore, then travels back downstream to its starting point. Neglect the time to turn around.
1. **Find the time it takes the boat to go upstream.**
\[ \text{______ minutes} \]
2. **Find the time it takes the boat to go back downstream.**
\[ \text{______ minutes} \]
3. **What would it have taken to make the entire round trip in still water?**
\[ \text{______ minutes} \]
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