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Solved: Water from a fire hose is directed horizontally

College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs ISBN: 9781938168000 42

Solution for problem 17PE Chapter 8

College Physics | 1st Edition

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College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs

College Physics | 1st Edition

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Problem 17PE

Water from a fire hose is directed horizontally against a wall at a rate of 50.0 kg/s and a speed of 42.0 m/s. Calculate the magnitude of the force exerted on the wall, assuming the water’s horizontal momentum is reduced to zero.

Step-by-Step Solution:

Solution to 17PE

Step 1  of 2

We need to calculate how much force is exerted on wall by water coming out of a fire hose at a rate of . In order to calculate, we need to revisit the Newton’s second law of motion which states that,

“The rate of change of momentum of a body is directly proportional to the force applied”.

 is the force

 is momentum

 is the time

 is the mass of the body

 is the velocity. Thus,

In this question the velocity of the water is given as

The rate in which the mass of water is coming out of hose is given as

Step 2 of 2

Chapter 8, Problem 17PE is Solved
Textbook: College Physics
Edition: 1
Author: Paul Peter Urone, Roger Hinrichs
ISBN: 9781938168000

The answer to “Water from a fire hose is directed horizontally against a wall at a rate of 50.0 kg/s and a speed of 42.0 m/s. Calculate the magnitude of the force exerted on the wall, assuming the water’s horizontal momentum is reduced to zero.” is broken down into a number of easy to follow steps, and 42 words. This full solution covers the following key subjects: Wall, Water, hose, directed, exerted. This expansive textbook survival guide covers 34 chapters, and 3125 solutions. The full step-by-step solution to problem: 17PE from chapter: 8 was answered by , our top Physics solution expert on 07/07/17, 04:39PM. College Physics was written by and is associated to the ISBN: 9781938168000. Since the solution to 17PE from 8 chapter was answered, more than 380 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: College Physics , edition: 1.

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Solved: Water from a fire hose is directed horizontally

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