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45. Afisherman sets out upstream on a river. His small boat, pow ered by still water. The water flows at a lower constant speed v. The fisherman has traveled upstream for 2.00 km when his ice chest falls out of the boat. He notices that the chest is miss an outboard motor, travels at a constant speed v in ing only after he has gone upstream for another 15.0 min. At that point, he turns around and heads back downstream, all the time traveling at the same speed relative to the water. He catches up with the floating ice chest just as he returns to his starting point. How fast is the river flowing? Solve this prob- lem in two ways. (a) First, use the Earth as a reference frame With respect to the Earth, the boat travels upstream at speed v- and downstream at v + v (b) A second much simpler and more elegant solution is obtained by using the water as the reference frame. This approach has important applica- tions in many more culating the motion of rockets and satellites and analyzing the scattering of subatomic particles from massive targets complicated problems; examples are cal

45. Afisherman sets out upstream on a river. His small boat, pow ered by still water. The water flows at a lower constant speed v. The fisherman has traveled upstream for 2.00 km when his ice chest falls out of the boat. He notices that the chest is miss an outboard motor, travels at a constant speed v in ing only after he has gone upstream for another 15.0 min. At that point, he turns around and heads back downstream, all the time traveling at the same speed relative to the water. He catches up with the floating ice chest just as he returns to his starting point. How fast is the river flowing? Solve this prob- lem in two ways. (a) First, use the Earth as a reference frame With respect to the Earth, the boat travels upstream at speed v- and downstream at v + v (b) A second much simpler and more elegant solution is obtained by using the water as the reference frame. This approach has important applica- tions in many more culating the motion of rockets and satellites and analyzing the scattering of subatomic particles from massive targets complicated problems; examples are cal

College Physics
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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45. Afisherman sets out upstream on a river. His small boat, pow ered by still water. The water flows at a lower constant speed v. The fisherman has traveled upstream for 2.00 km when his ice chest falls out of the boat. He notices that the chest is miss an outboard motor, travels at a constant speed v in ing only after he has gone upstream for another 15.0 min. At that point, he turns around and heads back downstream, all the time traveling at the same speed relative to the water. He catches up with the floating ice chest just as he returns to his starting point. How fast is the river flowing? Solve this prob- lem in two ways. (a) First, use the Earth as a reference frame With respect to the Earth, the boat travels upstream at speed v- and downstream at v + v (b) A second much simpler
Transcribed Image Text:45. Afisherman sets out upstream on a river. His small boat, pow ered by still water. The water flows at a lower constant speed v. The fisherman has traveled upstream for 2.00 km when his ice chest falls out of the boat. He notices that the chest is miss an outboard motor, travels at a constant speed v in ing only after he has gone upstream for another 15.0 min. At that point, he turns around and heads back downstream, all the time traveling at the same speed relative to the water. He catches up with the floating ice chest just as he returns to his starting point. How fast is the river flowing? Solve this prob- lem in two ways. (a) First, use the Earth as a reference frame With respect to the Earth, the boat travels upstream at speed v- and downstream at v + v (b) A second much simpler
and more elegant solution is obtained by using the water as the reference frame. This approach has important applica- tions in many more culating the motion of rockets and satellites and analyzing the scattering of subatomic particles from massive targets complicated problems; examples are cal
Transcribed Image Text:and more elegant solution is obtained by using the water as the reference frame. This approach has important applica- tions in many more culating the motion of rockets and satellites and analyzing the scattering of subatomic particles from massive targets complicated problems; examples are cal
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