1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
valina [46]
4 years ago
11

A swimming pool is 5.0 m long, 4.0 m wide and 3.0 m deep. Compute the force exerted by the water against

Chemistry
1 answer:
Alona [7]4 years ago
6 0
For the answer to the question above, <span>ater weights 1000kg per meter cubed. the volume of the pool is part A is 5*4*3 = 60 meters cubed </span>
<span>60*1000 = 60 000kg. the force from this is m*g = 60 000 * 9.81 = 588kN </span>

<span>part B: </span>
<span>volume: 4*4*3 = 48 meters cubed </span>
<span>48 * 1000 = 48000kg </span>
<span>F = 9.81*48000 = 470kN
I hope this helps.</span>
You might be interested in
40 points, will mark brainliest if you are correct within a day :)
mr_godi [17]

     Humans and Animals will be affected differently in many ways. The construction of roads has to access logging, oil, and mining sites in the forest.  These roads are funded by government and development agencies, some are financed by private companies or development interests.

     For humans, it is somewhat better because the food products come from rainforests as well, such as bananas, citrus, cassava, avocado, cashews, Brazil nuts, vanilla, sugar, coffee, tea, and cocoa. Medicine also comes from the rainforest, some of the ingredients for medicine come from the plants. So do materials such as rubber, oil, gum, resins, and paper. However, if we grew more farms and gardens we would be able to provide food from those gardens and farms, it will take more work, but it will be worth it. Using the products in the rainforest, it's a bad thing and a good thing. The food and materials help survive, yet it could kill the forest and places for animals to live in.

     There are many roads that are being built or upgraded, it's a good thing because it can be a lot safer for us, humans, to drive in. But again, they won't be able to fix all the roads, and adding roads in the rainforest would be a waste of time and just kill the animals and the forest itself. It can help the people in the forest much more, but as we see, the people also survive that way. Road construction in the forest can cause impede streams, increase forest flooding, and drastically increase soil erosion. If that happened fish can die out and other species.  And degraded lands are also often less able to hold onto water, which can worsen flooding.

     If we did keep the roads paved at all times, it can save money and energy and reduces greenhouse gas emissions, more than offsetting pollution generated during road construction, according to a new study. Many parts of the world are increasingly the result of political pressure from corporate interests, namely loggers, mining companies, oil and gas developers, and industrial agricultural firms, rather than government-backed poverty alleviation and development efforts.

       The deforestation of rainforests can be a big and devastating effect on our world. It can lead to many animals getting extinct, which is happening as of today. It also decreases the biodiversity that our planet enjoys. It can also lead to the degradation of soil and to erosion, as trees and plants usually hold the ground in place and provide necessary nutrients to it. It can also have a huge effect on our climate, and climate can destroy animals, like in the Arctic.

7 0
3 years ago
Read 2 more answers
What makes matter change from one state to another?
posledela

Answer: Adding or removing energy from matter

Explanation:

4 0
2 years ago
When the temperature of a reacting mixture increases, the rate of reaction increases. Which statement explains why the rate of r
wlad13 [49]

Answer:

This is one of the factors that affects chemical reactions

Temperature:This is because when the temperature is raised energy in form of heat is supplied to the reacting particles and so the rate of reaction is increased.

3 0
3 years ago
Part A The first step to engineering is to define the problem. Write down the problem the students have to solve, and describe t
Elena L [17]

Answer:

Engineering is all about solving problems using math, science, and technical knowledge. And engineers have solved a lot of problems in the world by designing and building various technologies. We have everything from machines that can breathe for you in hospitals to suspension bridges to computers we use every day. All of these things were once designed by engineers using the engineering design process.

Explanation:

3 0
2 years ago
Read 2 more answers
Calculate the concentrations of all species present in a 0.26 M solution of ethylammonium chloride (C2H5NH3Cl).
Alina [70]

Answer:

0.00000223

Explanation:

pKa for C2H5NH3+ = 10.7

pKw = 14.0

pKa + pKb = pKw

10.7 + pKb = 14.0

pKb = 14.0 - 10.7

pKb = 3.30

C2H5NH3Cl is a salt of ethylamine and HCl so it will dissolve in water to produce  C2H5NH3^+ + Cl^-

The base hydrolysis reaction:  C2H5NH3^+(aq) + H2O(l) <=> C2H5NH2(aq) + H3O^+(aq)

This reaction is described by Kb.

Kb = [C2H5NH2][H3O^+]/[C2H5NH3^+]

Let [C2H5NH2] = [H3O^+] = x,

so [C2H5NH3^+] = 0.26 - x

Kb = x^2/(0.26 - x) = 2.00 x 10^-11  

Let's solve for x. In this equation,  It is possible to solve without the use quadratic equation. So we can assume that 0.26 - x  is approximately equal to 0.26.  We won't know until we do the calculation.

We get:  x^2 + 2.00 x 10^-11x - 4.99 x 10^-12 = 0

With the use of a quadratic calculator.

x = 2.23 x 10^-6 M = [C2H5NH2] = [H3O^+]

0.26 - x  is just 0.26 M in this problem because 2.23 x 10^-6 M is insignificant.

[C2H5NH3^+] = 0.26 M = [Cl^-]

NOTE:

pH = -log [H3O^+] = -log(2.23 x 10^-6) = 5.65

Ka is the acid dissociation constant

Kb is the base dissociation constant

5 0
3 years ago
Other questions:
  • WILL RATE AND GIVE BRAINLIEST!!
    12·2 answers
  • Can someone help? this is hard .​
    13·1 answer
  • Practice Problems (show all work):
    6·1 answer
  • How does a graph with no trend differ from a graph with anomalous data points?
    13·2 answers
  • Oversteepened slopes often lead to mass movements because
    13·2 answers
  • Is CO2 a compound, molecule, or atoms/elements?
    10·2 answers
  • 8255 min = _?_days<br> I need help please
    15·1 answer
  • Ammonia (NH3) can be produced by the reaction of hydrogen gas with nitrogen gas:
    12·1 answer
  • With which organisms do fungi partner to produce lichen and Mycorrhizae
    15·1 answer
  • What group does this element belong to?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!