The spring undergoes a change in potential energy of
1/2 k (2.9 m)² - 1/2 k (1.4 m)² = 87 J
Solve for k :
k ((2.9 m)² - (1.4 m)²) = 174 J
k = (174 J) / ((2.9 m)² - (1.4 m)²)
k ≈ 27 N/m
How many newtons of force are needed to accelerate a 1,875 kg object at a rate of 1. 5 m/s2?.
Answer:
2812.5 N
Explanation:
We know that
F = ma
F = 1875 × 1.5
F = 1875 × 15/10
F = 2812.5 N
Answer:
Hope this helps
Explanation:
2812.5N
How did the new jersey plan address the issue of representation brainly.
Answer:
By thinking Their brain is very Big that's how i think so
Answer:
That's the answer thanks for the points
Explanation:
Hope it helps
Amylase is an enzyme that converts carbohydrate polymers into monomers. Glycogen synthase is one of the enzymes involved in converting carbohydrate monomers into polymers. Which of the following best explains the reactions of these enzymes?.
Amylase break covalent bonds whereas glycogen synthase form covalent bonds.
Amylase is an enzyme that aids in the addition of a water molecule to break covalent bonds thereby converting carbohydrate polymers into monomers whereas glycogen synthase aids in the removal of a water molecule to form covalent bonds converting carbohydrate monomers into polymers.
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How did using metal help ancient chinese people increase food production.
In "a march in the ranks hard-prest, and the road unknown," readers can infer the speaker is shocked by the scene he encounters when his troop stops at the church. Which lines from the poem support this inference?.
There are different ways to support an inference. The lines from the poem that support this inference is “These I resume as I chant, I see again the forms, I smell the odor,”.
To support the inference is simply known as way or act through which one can draw or reach a specific conclusion about something from different facts gathered.A March in the Ranks Hard-Prest, and the Road Unknown is known to be a poem that was written by Walt Whitman.
See full question below
In “A March in the Ranks Hard-Prest, and the Road Unknown,” readers can infer the scene inside the church will leave a lasting impression on the speaker.
Which excerpt from the poem supports this inference?
“The glisten of the little steel instruments catching the glint of the torches,”
“By these, crowds, groups of forms vaguely I see on the floor, some in the pews laid down,”
“Our army foil’d with loss severe, and the sullen remnant retreating,”
“These I resume as I chant, I see again the forms, I smell the odor,”
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Which method of analysis does not classify variables as dependent or independent.
The method of analysis does not classify variables as dependent or independent is cluster analysis.
Cluster analysis is a method that is used to process data in statistics. In cluster analysis, data is classified into groups based on similar characteristics the data share. For example, if cluster analysis is used to group students, students may be divided into clusters based on their gender or class.
An independent variable is the variable that is manipulated by the researcher. It is the variable that is tested to determine its effect on the dependent variable.
The dependent variable is the variable that is being measured in an experiment.
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Which of the following variables would be appropriate for a bar graph?.
Answer: your not showing any variables
Explanation:
Where are 2 places you can search for apps that work with quickbooks online?.
Based on the application analysis, the 2 places you can search for apps that work with QuickBooks online are QuickBooks App Store and QBO account.
The Steps to search for apps that work with QuickBooks online
Go to QuickBooks Apps.Select a specific Categories section.Click the Get app now button.In the option of the QBO account. Do the following:
Go to the Apps menu.Download the App through the category button.Hence, in this case, it is concluded that the correct answer is "QuickBooks App Store and QBO account."
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Never set the tiger free if you live in the mountain.
The above is a proverb that essentially means that we should not engage in actions that might hurt us later.
Hypothetically speaking, you live in a mountain and one of your traps was able to capture a tiger; you then set that tiger free out and one day it attacks and kills you.
If you had killed the tiger after you caught it, you would still be alive. This is the purpose of the proverb - to say that if you have an opportunity to avoid future danger, take it.
In conclusion, deal with things now before they become problems later.
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Given the function f(x) = 0. 5|x – 4| – 3, for what values of x is f(x) = 7?.
Answer: hello mister, i am here today to give you the greatest answer you have ever seen in the history of answers. The answer to this question is I do not fudging know!!! go back to elementary where this math belongs. I am a former Military General and even I know this stuff and even I know this stuff.
Explanation:
How should you protect a printed classified document.
Answer:
There are many ways you could answer this question.
Explanation:
If it is a physicl copy, you should store it with your other important doncuments of course, or have protective sheets on or around it for safety. If you are talking legally, a notarized document is always going to be more official that a non notarized document, so if you get it notarized, then you can protect yourself and the importance of the document legally.
What is the slope of the line that passes through (5 4) and (7 10).
Answer:
m=y2-y1/x2-x1=10-4/7-5
=6/2
=3
slope =3
Which best describes how the human circulatory and respiratory systems interact.
Answer:
The respiratory system provides oxygen for cells, while the circulatory system transports oxygen to cells. C. The respiratory system breaks down food for cell energy, while the circulatory system rids the body of waste.
When o2 is released as a result of photosynthesis it is a direct by-product of.
Answer:
answer is water molecules
Explanation:
The oxygen evolved during photosynthesis comes from water molecules.
Answer:
The O2 released in photosynthesis comes from the H2O, not the CO2. This was proved by radioactive isotopes. I think this is what you are asking.
Write a function called has_duplicates that takes a string parameter and returns true if the string has any repeated characters. Otherwise, it should return false.
The function to solve the algorithm that is required to return Boolean (True of False) if the parameter contains duplicate character will be implemented using the Kotlin Programming Language.
// Here is the algorithm
fun has_duplicates (parameter: String) : Boolean{
for (i in parameter.size-1){
if(parameter[i]==parameter[i+1]){
return true
} else{
return false
}
}
}
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John believes that the amount of sleep he gets the night before a test and his score on that test are inversely related. On his first exam, he got eight hours of sleep and scored 70 on the exam. To the nearest tenth, how many hours does john believe he must sleep the night before his second exam so that the average of his two exam scores is an 80?.
John will need to sleep for 10.3 hours before his second exam so that the
average of his two exam scores is an 80.
We were given
8 hours of sleep = 70
To get average of 80
70+ x = 80
2
Cross multiply:
70+x = 160
x= 160-70
= 90.
If 8 hours of sleep = 70
x hours of sleep = 90
Cross multiply
8× 90 = 70 × x
720 = 70x
x = 720/70
x = 10.2857
≈ 10.3 hours of sleep
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In order to clear out room for new merchandise, james decided to mark down some of the items for sale in his electronics store. He marked down dvd players by 36%, and he marked down stereo tuners by 22%. If dvd players cost $41. 60 after the markdown and stereo tuners cost $69. 42 after the markdown, which item’s price was reduced by more, and by how many dollars more was it reduced? round all dollar values to the nearest cent. A. The dvd player’s price was reduced by $3. 82 more than the stereo tuner’s price. B. The dvd player’s price was reduced by $27. 82 more than the stereo tuner’s price. C. The stereo tuner’s price was reduced by $0. 29 more than the dvd player’s price. D. The stereo tuner’s price was reduced by $27. 53 more than the dvd player’s price.
The dvd player’s price was reduced by $3. 82 more than the stereo tuner’s price.
Let the cost price of dvd players be D.Let the cost price of stereo tuners be S.Given the following data:
Markdown for dvd player = 36%Markdown for stereo tuner = 22%Markdown cost for dvd player = $41.60Markdown cost for stereo tuner = $69.42To determine which item’s price was reduced by more, and by how many dollars:
First of all, we would calculate the cost price of each item.
For dvd players:
Note: You'll pay 64% since it was markdown by 36%.
[tex]\frac{64}{100} \times D = 41.60\\\\64D=41.60 \times 100\\\\64D=4160\\\\D=\frac{4160}{64}[/tex]
D = $65
Reduction: Dvd player = [tex]65-41. 60=[/tex] $23.40
For stereo tuners:
Note: You'll pay 78% since it was markdown by 22%.
[tex]\frac{78}{100} \times S = 69.42\\\\78S=69.42 \times 100\\\\78S=6942\\\\S=\frac{6942}{78}[/tex]
D = $89
Reduction: Stereo tuner = [tex]89-69. 42=[/tex] $19.58
Now, we can calculate the difference in reduction of the cost price of both items:
[tex]Difference = 23.4 -19.58[/tex]
Difference = $3.82
Therefore, the price of the dvd players was reduced by $3. 82 more than the price of the stereo tuners.
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The term commonly used in accounting to describe the format for recording a transaction is:.
Answer:
General ledger
Explanation:
General ledger is used to record all of a companies transaction
Suppose you start to eat some potato chips from an open bag that you found in your locker and noticed that the chips taste and smelled unpleasant. What process has resulted from the unpleasant chips?.
rancidity . reason : bcz it is the aerial oxidation of oil and fats present in the chips .
Walter and Trina are planning a campus event focused on equity and inclusion. Several students would like to help with the event by delivering speeches. Which of the following speeches would NOT be aligned with the topics of equity and inclusion?
Equal access and opportunities in fine arts
The importance of untimed tests for all students
Equality is not equity
Diverse voices in the college curriculum
The following speech is not necessary aligned with the topics of equity and inclusion that are planned for the event:
The importance of untimed tests for all students.The speech can be considered related to equity because it is about all students, but the topic it talks about is not a very important problem in relation to inclusion and equity. However, all the other options are related.
Inclusion means that everyone is included, no one is left out. Equity means that everything is the same for every one, there are no preferences, everything is fair for everyone.
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What is the approximate length of arc s on the circle below? use 3. 14 for pi. Round your answer to the nearest tenth.
Read this excerpt from king arthur's socks: a comedy in one act. Guenevere: (unable to bear it) please, mary, please! what does the stage direction reveal about guenevere? she is not sympathetic to the plight of women who do not conform. She is too busy with her darning to be concerned with the help. She is upset with her servant’s romantic attitude. She is not ready to hear any more modernistic ideas.
Answer: D. She is not ready to hear any more modernistic ideas.
A force of 30 n stretches a very light ideal spring 0. 73 m from equilibrium. What is the force constant (spring constant) of the spring?.
According to Hooke's law, a 30-N force stretches a spring by 0.73 m if the spring constant k is such that
30 N = k (0.73 m)
k = (30 N) / (0.73 m)
k ≈ 4.1 N/m
The bottleneck effect is the loss of genetic diversity that occurs when.
Which statement describes the system of equations 3x-4y=-35.
Answer:
The system of equations is one solution.
It is estimated that 32 patrons will attend an event for every $100 spent in advertising. If tickets cost $75, how much can a promoter expect to increase sales if he spends $25,000 in advertising?.
In order to increase sales if he spends $25,000 in advertising, the promoter should be expecting 600,000 dollars
If It is estimated that 32 patrons will attend an event for every $100 spent in advertising.
The cost of tickets = $75,
If he spends $25,000 in advertising, divide the amount by 100 dollars
25000/100 = 250
This means 32 x 250 = 8000 patrons is estimated to attend an event.
Since each ticket cost 75 dollars, then, the promoter should expect to increase sales by multiplying 75 dollars by 8000 patrons. That is,
75 x 8000 = 600,000 dollars
Therefore, the promoter should be expecting 600,000 dollars to increase sales if he spends $25,000 in advertising.
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James is observing the population of the fish he put into a pond. He built a pond and populated it with 700 fish. The population of the fish doubles every year. Use x to represent the number of years and y to represent the population of the fish. Enter an equation that represents this scenario in the box.
Given that we have a pond with a population of 700 fish to observe from, we can use the exponential function to denote what the amount of fish will become after a particular interval of time.
Given data
Let C be the Initial population = 700
Let the number of fishes be represented as x
And let the number of years be represented as y
Hence, the expression used to represent the population of fishes is described below.
[tex]y = f(t) = C*2^{t}[/tex]
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In colonial america who were the sons of liberty brainly.
A food worker takes three hours to reheat a pot of soup for a buffet to 165°f (74°c).
An action the food worker must take next is to throw the soup out.
Food preservation is an art that typically involves the process of preventing food spoilage by mitigating or reducing the activities (growth) of microbial organisms and other external factors while maintaining the nutritional value, flavor and texture of a food.
Some of the common factors that result in food spoilage include the following:
TemperatureOxidationMoisture contentPathogens (microorganisms) such as yeast, molds, bacteria, etc.A soup is an example of a time/temperature control for safety (TCS) foods because they are more susceptible to the growth of pathogens (microorganisms) such as yeast, molds, bacteria, etc.
For TCS foods, it is important that they are cooled from 135 Fahrenheit (°F) to 70 Fahrenheit (°F) within two (2) hours, else, it must be thrown out. Since this food worker took three (3) hours to reheat the pot of soup to 165°F (74°C), he or she must throw the soup out because it has exceeded the minimum time required for TCS foods.
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The amount and the concentration of a salt solution.
Answer:
28 g
3.4 g
Explanation:
These problems only make sense if the percentage is by weight. To find the amount of salt, multiply the amount of solution by the percentage that is salt:
a) (80 g)(35%) = 28 g . . . . weight of salt
__
b) (20 g)(17%) = 3.4 g . . . . weight of salt
_____
Comment on percent
You know that % means /100, so 35% = 35/100 = 0.35.