Two opposite forces which are acting perpendicular to an axis cause the moment of couple or torque.
What is couple?
Couple is the pair of force of equal magnitude which acts in opposite direction to each other. The moment of couple is known as the troque, which can be calculate as,
[tex]\tau=Fs[/tex]
Here, (F) is the magnitude of one of the force and (s) is the perpendicular distance of force acting on axis.
Here, the two opposite forces are given which acts perpendicular to an axis. Now suppose there is the magnitude of both the force (F) is equal and the perpendicular distance from the axis is also same.
Thus, from the above definition of moment of couple, they produce, torque or moment of couple.
Hence, the two opposite forces which are acting perpendicular to an axis cause the moment of couple or torque.
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Acids increase the concentration of hydronium ions in solution by donating hydrogen ions to water molecules.
Answer:true
explanation:
If the hydronium concentration increases, the pH decreases, causing the solution to become more acidic. This happens when an acid is introduced. As H+ ions dissociate from the acid and bond with water, they form hydronium ions, thus increasing the hydronium concentration of the solution
A patient takes a medication with a half life. initially, there are 11 milligrams of the medication in the patient's system. after 70 minutes there are 7 milligrams. after how many minutes will there be only 3 milligrams remaining in the patient's system? round your answer to the nearest whole number, and do not include units.
Using an exponential function, it is found that there will be only 3 milligrams remaining in the patient's system after 201 minutes.
What is an exponential function?A decaying exponential function is modeled by:
[tex]A(t) = A(0)(1 - r)^t[/tex]
In which:
A(0) is the initial value.r is the decay rate, as a decimal.In this problem, initially, there are 11 milligrams on the patient's system, hence A(0) = 11. After 70 minutes there are 7 milligrams, hence A(70) = 7, and this is used to find r.
[tex]A(t) = A(0)(1 - r)^t[/tex]
[tex]7 = 11(1 - r)^{70}[/tex]
[tex](1 - r)^{70} = \frac{7}{11}[/tex]
[tex]\sqrt[70]{(1 - r)^{70}} = \sqrt[70]{\frac{7}{11}}[/tex]
[tex]1 - r = \left(\frac{7}{11}\right)^\frac{1}{70}[/tex]
1 - r = 0.99356387084
r = 1 - 0.99356387084
r = 0.00643612916
Hence the equation for the amount after t minutes is:
[tex]A(t) = 11(0.99356387084)^t[/tex]
In will be of 3 mg when A(t) = 3, hence:
[tex]A(t) = 11(0.99356387084)^t[/tex]
[tex]3 = 11(0.99356387084)^t[/tex]
[tex](0.99356387084)^t = \frac{3}{11}[/tex]
[tex]\log{(0.99356387084)^t} = \log{\left(\frac{3}{11}\right)}[/tex]
[tex]t\log{(0.99356387084)} = \log{\left(\frac{3}{11}\right)}[/tex]
[tex]t = \frac{\log{\left(\frac{3}{11}\right)}}{\log{(0.99356387084)}}[/tex]
t = 201
There will be only 3 milligrams remaining in the patient's system after 201 minutes.
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Give your own position on human trafficking in south africa brainly
Human trafficking in South Africa is still a critical problem that must be tackled with laws protecting citizens and actively combating this situation.
How to abolish human trafficking?It is essential that there are consistent government measures to control and combat this situation, to extinguish this situation that violates the human rights to life, security and liberty.
Therefore, every human being has the right to the protection of their essential rights, and it is up to the government of a country to implement strict rules and laws to combat human trafficking and promote better life opportunities.
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The incident command system (ics) and nims are the same, and these terms can be used interchangeably.
The incident command system (ICS) and National Incident Management System (NIMS) are the same, and these terms can be used interchangeably: False.
What is ICS?ICS is an abbreviation for incident command systems and it can be defined as a subset of the National Incident Management System (NIMS) which is typically used for planned events, as well as for emergencies and coordinated responses in various business organizations or circumstances.
This ultimately implies that, incident command system (ICS) and National Incident Management System (NIMS) are not the same, and these terminologies cannot be used interchangeably because they mean different things.
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Fill in the blank with the correct form of the present perfect tense. ellos ___________ en california por 10 años. han vivado ha vivido han viviendo han vivido
The correct form of the present perfect tense is han vivdo. (Option D) Hence the correct sentence is:
"Ellos han vivido en California por 10 años"
What is "present perfect tense" in Spanish?In Spanish, the present perfect tense (known as el pretérito perfecto) is created to indicate actions or activities that have happened recently and/or activities that are still true.
Examples are:
(yo) He comido.I have eaten.
(ellos) Han comido.They have eaten.
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Answer: D - han vivido
Explanation:
A company makes two different sized ice cream cones
Answer:
A company makes two different-sized ice cream cones. The smaller cones are 3.5 inches tall and have a diameter of 3 inches.
People with schizophrenia often have disturbed perceptions, such as __________, which are sensory experiences without sensory stimulation
Answer:
the word in the blank is: Hallucinations
Explanation:
hope this helped
Four years ago omega technology, inc., acquired a machine to use in its computer chip manufacturing operations at a cost of $35,000,000. the firm expected the machine to have a seven-year useful life and a zero salvage value. the company has been using straight-line depreciation for the asset. due to the rapid rate of technological change in the industry, at the end of year 4, omega estimates that the machine is capable of generating (undiscounted) future cash flows of $11,000,000. based on the quoted market prices of similar assets, omega estimates the machine to have a fair value of $9,500,000.
The machine's book value at the end of Year 4 given the acquistion cost and the useful life is $15,000,000.
What is the machine's book value?The book value of an asset is the cost of an asset less the accumulated depreciation. Straight line deprecation distributes the depreciation expense evenly over the useful of the asset.
Straight line deprecation expense = (cost of the asset - salvage value) / useful life
$35,000,000 / 7 = $5,000,000
Book value = $35,000,000 - ($5,000,000 x 4) = $15,000,000
Here is the rest of the question: What is the machine’s book value at the end of Year 4?
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How does the kitchen setting affect both arturo and martin
Answer:Arturo usually feel comfortable in the restaurant. But today, in the kitchen, he working for martin, who refuse to treat him specially.
Explanation:
If 6 newborn babies are randomly selected, how many different gender sequences are possible? a. 720 c. 12 b. 36 d. 64 please select the best answer from the choices provided a b c d
Answer:
c
Explanation:
Choose the best spanish word to complete the sentence. no __________esas palabras. (don't write those words.) escribes escriben escrito escribas
Answer:Escribas
Explanation: edge2022
The best Spanish word required to complete the sentence is escribas.
What is verb conjugation?
In every language, there is a need for the use of verbs in sentence construction. This is because they are called action words and they make the sentence meaningful.
In the Spanish Language, the present tense conjugation -ar, -er, -ir verbs are used to emphasize things happening presently and for general truths.
From the given sentence:
no __________esas palabras;
The verb to be used must be a verb with suffice "-as"i.e.
no escribas esas Palabras
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A pendulum is made by tying a 75 g ball to a 130-cm-long string. the ball is pulled 5.0∘ to the side and released.
The ball’s speed and direction at the lowest point of trajectory are; 3.1 m/s and swing to the same angle on the other side
What is the speed at the lowest point?We will assume that all of the motion will transfer to Kinetic Energy at the lowest point. Now, the difference in height will be;
Δh = (130 – 130*cos °5) = 0.49 cm
The change in PE is;
ΔP.E = mgΔh
ΔP.E = 9.8m/s² × 0.75kg × 0.049 m
ΔP.E = 0.36015 J
Formula for kinetic energy is;
K.E = ¹/₂*m*v²
From conservation of energy;
K.E = P.E
Thus;
¹/₂* 0.075 * v² = 0.36015
v = √[(0.36015 * 2)/0.075]
v = 3.1 m/s
Thus, the pendulum will swing to the same angle on the other side.
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What is the volume of the prism? whole-unit cubes fit inside the prism. quarter-cubic units fit inside the prism. the total volume of the prism is units3.
Answer:
8
2
8 1/2
Explanation:
i just did it
Answer:
8
2
8 1/2
Explanation:
i just did it
Tammy’s last four homework scores were 68, 76, 70, and 74. The mean absolute deviation of her scores is. Tammy worked hard on yesterday’s assignment and feels confident that this homework score will be at least a 90. Predict what will happen to her mean absolute deviation if she is correct:. Tammy was correct. She earned a 92! the new mean absolute deviation of her homework scores now that they are 68, 76, 70, 74, and 92 is:
With data of 68, 76, 70, and 74,
The mean absolute deviation of the set of scores that Tammy has is given as 3.The prediction is going to be that her MAD would go up.With Data of 68, 76, 70, 74 and 92, her MAD is 6.4How to solve for the Mean Absolute deviation (MAD) on excel1. To solve this, I made use of the excel formula
This is formula is given as =AVEDEV(A1:A4)
The MAD in the first part is = 3
The data in the first part is contained from A1 to A4
2. If Tammy happens to be correct then the prediction for his absolute deviation is that it is going to go up.
3. After earning a 92, her MAD is going to be:
=AVEDEV(A9:A13)
= 6.4
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The giant octopus lays 20,000 to 100,000 fertilized eggs. after hatching, most octopuses become prey to larger marine organisms, and less than 5% will reach adulthood to reproduce. one benefit of the giant octopus laying many eggs is to —
Answer:
increase the chance that more individuals will survive to maintain the population
Explanation
I looked it up on brainly and it has most sense aswell as I am A Proffesor at Harvard
One benefit of the giant octopus laying many eggs is to increase the chance that more individuals will survive to maintain the population.
What is Survival rates?For organisms that serve as prey for another organism in the same ecosystem, the more their reproductive capacities, the better the chances of the population's continued existence in the ecosystem.The benefit derived from laying many eggs by the octopus is that it increases the chance that more individuals will survive to maintain the population.
Since only 5% of the number of offspring produced by octopuses only make it to adulthood, this means that the higher the number of offspring produced, the higher the chances of more making it to adulthood.The giant octopus lays 20,000 to 100,000 fertilized eggs. after hatching, most octopuses become prey to larger marine organisms, and less than 5% will reach adulthood to reproduce.
Therefore, One benefit of the giant octopus laying many eggs is to increase the chance that more individuals will survive to maintain the population.
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A student reads in a newspaper that the soil in his area contains high levels of arsenic. Based on this information, he believes that his fellow high school classmates have this metal present in their bodies. To test his hypothesis, he conducts an investigation of the soil in his school yard to see if it is contaminated with arsenic. He tests seven different areas around the school and finds high levels of arsenic in each. He concludes that the students at the school must have high levels of arsenic in their systems as well. Which of these is the best evaluation of his conclusion?
The best evaluation of his conclusion is it is flawed because he did not test the students to see if their bodies contained metal arsenic.
What is arsenic?Arsenic is an element that is usually found mixed with sulfur and other metals.
Its heavy exposure can cause fatalities and its exposure for a long time can damage the liver, skin, kidney, etc.
In the experiment, he doesn't test students for correct results, so the experiment is flawed.
Thus, the correct option is D, His conclusion is flawed because he did not test the students to see if their bodies contained metal arsenic.
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The moment of inertia about the axis of a solid cylinder is _____ the moment of inertia of a cylindrical shell having the same mass and radius.
The moment of inertia about the axis of a solid cylinder is less than the moment of inertia of a cylindrical shell having the same mass and radius.
How to calculate moment of inertia?Mathematically, the moment of inertia for a solid cylinder is calculated by using this formula:
I = (1/2)mr²
Where:
m is the mass.r is the radius.In conclusion, the moment of inertia about the axis of a solid cylinder would be less than the moment of inertia of a cylindrical shell that has the same mass and radius because the mass of the solid cylinder must be taken near the axis of rotation, which makes it smaller.
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What do readers learn about the setting in this excerpt? the weather is cloudy on the day of the party. The community anxiously awaits the gathering. Only a few neighbors are invited to the party. Only bilbo is concerned with the weather
Answer:
B
Explanation:
The community anxiously awaits the gathering.
The community anxiously awaits the gathering readers learn about the setting in this excerpt. Thus, option B is correct.
What is an excerpt?An excerpt can be defined as when a person needs the reader or listener to know some important things but want to say. From a bigger paragraph or a sentence, only a small part is taken then that part is called an excerpt.
The excerpt from the fellowship of the organization suggests that People were just really worried about the turnout on the evening well before the party because it was cloudy outside.
Thus, on September 22nd, the day preceding the celebration, the sun rose, the clouds parted, the flag got flown, and the excitement got started. The event then got started. Therefore, option B is the correct option.
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The question is incomplete, the complete question is:
Read the excerpt from The Fellowship of the Ring. Then the weather clouded over. That was on Wednesday the eve of the Party. Anxiety was intense. Then Thursday, September the 22nd, actually dawned. The sun got up, the clouds vanished, flags were unfurled and the fun began. Bilbo Baggins called it a party, but it was really a variety of entertainments rolled into one. Practically everybody living near was invited. A very few were overlooked by accident, but as they turned up all the same, that did not matter.
Christine wants to buy a bicycle for her little brother. she receives a coupon in the mail for 5% off of a bicycle purchased at bikes and wheels. the bicycle her brother wants is $79. if she already has $50 saved, how much more does she need to purchase the bicycle using the coupon?
The amount she needs more to purchase the bicycle using the coupon is = $25.05
Calculation of total costThe coupon Christine received from the mall = 5% off sales
The cost of the bicycle the brother wants is = $79
The amount she has saved is = $50
The amount she needs more to purchase the bicycle using the coupon is = X
But, 5% of 79 = 5/100× 79
= 395/100 = $3.95
This means that given the coupon she will purchase the bicycle = 79 - 3.95 = $75.05
Therefore X = $75.05 - $50
= $25.05
Therefore, the amount she needs more to purchase the bicycle using the coupon is = $25.05
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A student government organization is selling christmas trees
Answer:
To raise money.
Explanation:
Because they need it and people need Christmas trees
Select the correct answer.simplify the following expression.a. b. c. d.
Answer:
what is the question ?
where are the options?
What is the biggest weakness of da vinci’s argument? he incorrectly concludes that other stars do not have their own light. he relies on his own personal feelings and preferences. he suggests that the sun helps sustain life on earth. he relies too much on others’ points of view.
Answer:
A- He incorrectly concludes that other stars do not have their own light.
Explanation:
Edge 2022 ;)
Answer:
The answer is indeed A.
Explanation:
Luiza’s paragraph can best be described as a(n) detailed description. Informal viewpoint. Objective summary. Personal opinion
A paragraph is a piece of writing that has a specific idea and a point. Luiza’s paragraph on Sudanese Slit Drum is an objective summary.
What is an objective summary?An objective summary is the synopsis of the text that does not includes judgments and opinion. It directly contains textual information and aids in understanding the whole text.
The objective summary includes the information directly from the text and lacks personal pronouns and perspective with no assessment of the writer.
Therefore, the paragraph is option C. objective summary.
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How did world war i change women's roles in the united states brainly
Answer:
When America entered World War I, the number of women in the workforce increased. Their employment opportunities expanded beyond traditional women's professions, such as teaching and domestic work, and women were now employed in clerical positions, sales, and garment and textile factories.
Explanation:
I hope this helps!
Suppose a certain scale is not calibrated correctly, and as a result, the mass of any object is displayed as 0. 75 kilogram less than its actual mass. What is the correlation between the actual masses of a set of objects and the respective masses of the same set of objects displayed by the scale?
The correlation between the actual masses of a set of objects and the respective masses of the same set of objects displayed by the scale is; 1
What is the Correct Scale Calibration?We are told that a certain scale is not calibrated correctly,
Mass displayed = 0.75 kg (less than its actual mass).
The scale of display = 1
Thus, the correlation between actual mass and displayed mass is 1 due to the fact that correlation is independent of change of origin and scale and correlation between any value and value minus 0.75 will be one.
Thus, the correlation between the actual masses of a set of objects and the respective masses of the same set of objects displayed by the scale is 1.
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One message that i learned from the text is that acting with kindness is more important than following the rules
Answer:Not really
Explanation:
If your being kind to someone thats great but breaking the rules to be kind to them is not great. Its like saying that i was being kind to some because they asked me to steal something for them.
When the only force acting on a falling object is gravity, the object is said to be stationary.
Answer:
Because students associate pushes and pulls with moving or active objects they often believe that stationary or passive objects have no forces acting on them at all.
What was the price of sft legal yesterday? a. $47.17 b. $56.11 c. $50.37 d. $61.85
Answer:
c
Explanation:
took test
Answer:
Is C. 50.37
Explanation:
I see the answer on Quizlet
Carla weaves a rug in six days. She weaves two feet on the first day. She weaves 1/2 foot on each of the next two days. She weaves 14 inches on each of the three days. How many inches of rug does Carla weave in all
Answer:
Explanation:
Chart
Day Raw Dats Decimal Form
Day One 2 feet 2.0 feet
Day Two 1/2 foot 0.5 feet
Day Three 1/2 foot 0.5
Day Fout 1.167 1.167
Day Five 1.167 1.167
Day Six 1.157 !.167
Total in Feet 6.5 feet.
Notes
1.67 is actually 1 1/6 feet. When mulctiplied by three 1 1/6 * 3 = 3 and 1/2 feet
Convert 6.5 feet to inches
6.5 * 12 = 78 inches.
Answer
The rug was 78 inches long
Marine snow is _______. a. pieces of organic matter that were once part of living organisms b. a mixture of living plankton c. snow from land that has entered aquatic ecosystems d. large salt crystals that have not dissolved in ocean water please select the best answer from the choices provided a b c d
Pieces of organic matter that were once part of living organisms