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

$| F | = 2100 \mathrm { N }$

Physics 101 Mechanics

Chapter 8

Linear Momentum and Collisions

Moment, Impulse, and Collisions

Hamid R.

September 20, 2021

inclined plane problems

Rutgers, The State University of New Jersey

Simon Fraser University

Hope College

University of Sheffield

Lectures

04:16

In mathematics, a proof is…

04:48

In mathematics, algebra is…

01:55

Water from a fire hose is …

01:58

A fireman $d=50.0 \mathrm{…

02:26

The water from a fire hose…

07:41

A fireman clings to a vert…

03:52

A fire helicopter carries …

03:54

You place a book of mass 5…

00:51

A garden hose is held as s…

01:26

You decide to use your gar…

02:52

mmh A boat has a mass of 6…

10:13

A block of mass 3.00 $\mat…

01:28

At $t=0,$ force $\vec{F}=(…

03:17

A 15.0 -m uniform ladder w…

04:00

A firefighter, a distance …

00:46

A fire hose can expel wate…

02:59

A mysterious rocket-propel…

08:20

When a water gun is fired …

06:16

An 80 -kg fireman slides 5…

03:19

SSM A fire hose ejects a s…

04:31

02:10

CP A 4.80 -kg bucket of wa…

in this question. We have a fire hose from whose water is going It a rate of 50 cases per second. So must for any time for water. Floyd, for one thing, that is 50 kids in four seconds. Right, Casey, for second on What? The speed off water that is coming out of the host is Felicity. Be easy Quality. What? He took 0.0 meters per second. So what the pushing wants us is to calculate the magnitude of force exited of the world. So the manager of the forces obviously mass off water into exploration of water. Right now mask is legislate em exercises. What? Final density of water minus in Chilean velocity off water upon child. Right. So what I want to do here is replaced this He here with you? Interval, Stu, We got this father in simplicity and the final sit iwas zero price. So it related this as you hear. So insolent Velocity is 42. The final velocity is because the 100 still wrist we're supposing that. Okay, so? So we can take this tea two R's am so we can write it as m by t times the main issue now we got everything that we need. We know a mighty we don't be. Were you just going something shooting that that is so That is 50 into What is Felicity? You know, minus for you. So that gives me minus 21 a. Right now, this is negative, right? This force unlocked. So force on water is this is forcing water, right? Minus 20 letters. So we need to come with a force in the world. So for someone is equal and opposite right equal and opposite means opposite of minus is plus so 2100 and equal in the Maine to Mexico so that it's a different intelligence force, otherwise regiment in the region. So we are done. This is a force of what? And this is for something. Well, all right, so this process the citizen, this problem

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