a piece of clay with mass m is traveling with an unknown velocity in the positive x-direction, when it collides and sticks to a block of mass 3m, moving with velocity v=-3m/s. after the collision, the block and clay are stuck together and traveling with a velocity of 1 m/s in the negative x-direction. what was the original velocity of the clay mass?

Answers

Answer 1

Answer:

[tex]5\ \text{m/s}[/tex]

Explanation:

[tex]m_1[/tex] = Mass of clay = m

[tex]m_2[/tex] = Mass of block = 3m

[tex]u[/tex] = Velocity of clay

[tex]v[/tex] = Velocity of block = -3 m/s

[tex]v_c[/tex] = Velocity of combined mass = -1 m/s

As mometum in the system is conserved we get

[tex]m_1u+m_2v=(m_1+m_2)v_c\\\Rightarrow u=\dfrac{(m_1+m_2)v_c-m_2v}{m_1}\\\Rightarrow u=\dfrac{(m+3m)\times -1-3m\times -3}{m}\\\Rightarrow u=\dfrac{5m}{5}\\\Rightarrow u=5\ \text{m/s}[/tex]

The original velocity of the clay mass was [tex]5\ \text{m/s}[/tex].


Related Questions

How is a plateau different from a fault-block mountain?
A plateau forms due to shearing, and a fault-block mountain does not.
A fault-block mountain forms from a reverse-fault, and a plateau does not.
A plateau forms when a flat block of rock is uplifted, and a fault-block mountain does not.
A fault-block mountain forms when the center block is uplifted, and plateau does not

Answers

Answer: A plateau forms when a flat block of rock is uplifted, and a fault-block mountain does not.

Explanation:

A plateau is referred to as an elevated landform that is flat, which elevates above its surrounding area. It is formed when a flat block of rock is uplifted.

Fault-block mountains are formed when huge crustal blocks move along faults that are formed as a result of the tensional forces which pull apart the crust.

Which of the following is an argument that economists would most likely use to justify the need for a replacement for
GDP?
GDP fails to reflect income.
OGDP fails to reflect value of services.
GDP fails to reflect value of income and goods.
OGDP fails to reflect true wealth and assets.

Answers

Answer: GDP fails to reflect true wealth and assets.

Explanation:

The gross domestic product is referred to as the total monetary value of every finished goods and the services that are being produced within a particular country's at a certain period.

Economists would most likely justify the need for a replacement for GDP because GDP fails to reflect true wealth and assets. This is because the depreciation of assets and its depletion isn't reflected by the GDP. Also, it doesn't show if wealth accumulation tallies along with the growth in population.

To what extent did the industrial revolution impact women’s role and position in society between the years 1800 to 1920

Answers

Answer:

The Industrial Revolution was a historical period which led to the industrialization of society between 1760 and 1860, with the result that agricultural production, mainly, became industrial, for the most part.

This made societies go from being eminently rural to urbanized, while most jobs moved from the countryside to the cities. In turn, work began to develop in a dependency relationship, with which the workers, mostly men, began to devote the vast majority of their time to production under the supervision of their bosses. This in turn made women, who until then had a role similar to that of men in terms of work in the field, began to acquire more and more domestic functions, focused mainly on work at home and caring for children. children, since the man was not available to perform these tasks.

According to determinism, people are morally responsible for their actions.
TRUE OR FALSE

Answers

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Answer: False

Explanation:

I hope this helped!

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Create a plan to use nutritional minimums and maximums for a healthy lifestyle.

Answers

Day 1
Today's meal plan contains about 2,250 calories, with 55% of those calories coming from carbohydrates, 20% from fat, and 25% from protein. It also has about 34 grams of fiber.

Breakfast
One grapefruit
Two poached eggs (or fried in a non-stick pan)
Two slices whole-grain toast with one pat of butter each
One cup low-fat milk
One cup of black coffee or herbal tea
(Macronutrients: Approximately 555 calories with 27 grams protein, 63 grams carbohydrates, and 23 grams fat)

Snack
One banana
One cup plain yogurt with two tablespoons honey
Glass of water

Lunch
Chicken breast (6-ounce portion), baked or roasted (not breaded or fried)
Large garden salad with tomato and onion with one cup croutons, topped with one tablespoon oil and vinegar (or salad dressing)
Glass of water
(Macronutrients: 425 calories, 44 grams protein, 37 grams carbohydrates, 9 grams fat)

Snack
One cup carrot slices
Three tablespoons hummus
One-half piece of pita bread
Glass of water or herbal tea
(Macronutrients: 157 calories, 6 grams protein, 25 grams carbohydrates, 5 grams fat)

Dinner
One cup steamed broccoli
One cup of brown rice
Halibut (four-ounce portion)
Small garden salad with one cup spinach leaves, tomato, and onion topped with two tablespoons oil and vinegar or salad dressing
One glass white wine (regular or dealcoholized)
Sparkling water with lemon or lime slice

Snack
One cup blueberries
Two tablespoons whipped cream (the real stuff—whip your own or buy in a can)
Glass of water
(Macronutrients: Approximately 100 calories, 1 gram protein, 22 grams carbohydrates, 2 grams fat)

Who is the main villian in the hit movie "Shrek 2"

A. Prince Charming
B. Rumpelstiltskin
C. Fairy Godmother
D. Lord Farquaad​

Answers

Explanation:

The Fairy Godmother......

Fairy Godmother because she tries to make Fiona marry Prince Charming instead.

Hobbes denied the existence of God.
Group of answer choices
TRUE OR FALSE

Answers

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Answer: Some critics said he did, while others have said that he didn't and they he said god was the first causes of all causes

Explanation:

I hope this helped!

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Which of the following are examples of green activity at the policy level? (Select all that apply.)
The 50 for 50 Green Schools Caucus Initiative promotes the discussion of green school initiatives among state lawmakers.
Green Building for Cool Cities provides guidelines for local governments to reduce the impact of their cities on global climate
change
Imago Construction looks for ways to partner with other construction and architectural engineering firms in its area to promote
sustainable practices.
Robyn has achieved her goal of 100 percent of her company's engineering staff having at least one professional LEED certification

Answers

Answer:

Both option A and B is correct

Explanation:

The policy level interventions include guidelines for a development work or practice sustainable.

Here in this case option A is an approach to incorporate green school initiative through policy backing and hence it is being discussed with the lawmakers.

In option B, guidelines for green building is included which is also a policy related intervention to promote sustainable development.

The remaining two options are efforts made at individual level for promoting green and sustainable development.

Advancement in which field led to the development of communities, towns, and large cities?
agriculture
economics
O mining
O politics

Answers

Agriculture and economic if just one go for agriculture

What is a biosolid ? How do they become usable ?

Answers

Answer:

Biosolids can be converted into fertilizer as it has essential nutrients and organic matter

Explanation:

Biosolids are extracts of domestic sewage waste that are obtained after treating the sewage water. Biosolid is enriched in nutrients and organic matter. It can be converted into fertilizer and soil amendment and hence can be beneficial resource in cultivation and farming.

Which of the following distinguishes an argument against the use of fossil fuels?
The use of fossil fuels involves dangerous technology.
The use of fossil fuels is a factor in economic depression.
The use of fossil fuels promotes dependence on foreign oil.
The use of fossil fuels is improper use of renewable resources.

Answers

Answer:

The use of fossil fuels involves dangerous technology.

Explanation:

Answer:

C.

Explanation:

I got it right.

The statement that best exemplifies the green economy as defined by DOL O'NET is “The green economy is any
economic activity labeled as green by responsible certifying agencies."
True
False

Answers

Answer: false

Explanation:

The statement that "The green economy is any economic activity labeled as green by responsible certifying agencies." is false.

Green economy refers to an economy which aims in bringing about sustainable development, reducing environmental risks and bringing about a social weekly being. It is an economy of low carbon and efficient utilization of resources in the environment without degrading it.

Luis wants to find the total time he spent practicing.

Answers

Add the time of the different sessions together and once they are all added, that will be your answer.


A wind turbine has a capacity of 3 MW. Assuming the turbine operates at 50 percent of its capacity all day and every day for a week, calculate how many kWh of electricity
the wind turbine will produce by the end of the week. Show your work

Answers

Answer:

Total production of wind turbine in a week = 10.5 MW per week

Explanation:

Given:

Per day turbine capacity = 3 MW

Capacity operate = 50%

Find:

Total production of wind turbine in a week

Computation:

Per day production of wind turbine = Per day turbine capacity x Capacity operate

Per day production of wind turbine = 3 x 50%

Per day production of wind turbine = 3 x 0.50

Per day production of wind turbine = 1.5 MW

Number of days in a week = 7 days

Total production of wind turbine in a week = Per day production of wind turbine x of days in a week

Total production of wind turbine in a week = 1.5 x 7

Total production of wind turbine in a week = 10.5 MW per week

The quantity of electricity  (in kilowatt-hour) that would be produced by the wind turbine at the end of the week is 252 kWh.

Given the following data:

Power = 3 Megawatts.Operating capacity = 50 percent per day = 0.5.

To calculate the quantity of electricity  (in kilowatt-hour) that would be produced by the wind turbine at the end of the week:

How to calculate the quantity of electricity.

Mathematically, the quantity of electricity  produced by the wind turbine per day is given by this :

[tex]P = Power \times operating \;capacity\\\\P=3 \times 0.5[/tex]

P = 1.5 Megawatts.

Next, we would calculate the total quantity of electricity  (in kilowatt-hour) produced by the wind turbine per week:

Note:

7 days = 1 week.

1 day = 24 hours.

Substituting the parameters into the formula, we have;

[tex]Total\;power = 1.5 \times 7 \times 24[/tex]

Total power = 252 kWh.

Read more on power here: https://brainly.com/question/24379350

The best example of efficiency is

A. Getting an A on a homework assignment that you spent one hour on the night before

B. Getting a B on a homework assignment that you spent two hours on the night before

C. Getting a C on a homework assignment that you spent 30 minutes on the night before, and also finishing two other assignments

D. Getting an A on a homework assignment that you spent three hours on the night before

Answers

A

because efficiency is being capable of producing desired results with little or no waste

PLEASE HELP 30 POINTS
Meaning of this picture and how does this political cartoon say about Imperialism?

Answers

Answer:

exhorts the United States to assume colonial control of the Filipino people and their country.

Which of the following describes graywater?
water that is drinkable
industrial wastewater used for other purposes
contaminated water on job sites
water from sinks, washing machines, and showers

Answers

Water from sinks, washing machines, and showers

I hope I helped. Brainliest would be appreciated.

How and why is Katy Perry the most powerful, gorgeous, and talented female singer?

Answers

Hmmm Cause she just is

Answer:

Katy Perry is a queen.

Explanation:

She is gorgeous moth inside and out and super talented.

What is the Thesis of Determinism?
Group of answer choices

Everything is causally determined.

Everything one does is motivated by self-interest.

Nothing can happen in the human brain unless it was physically caused to happen.

Everything that exists (including God) is physical matter.

Answers

Answer:

Everything is causally determined.

Explanation:

Determinism is a philosophical belief that everything that happens is a result of something that happened previously. This means that choices including moral choices are determined by previously existing causes.

This philosophical theory believes in the theory of 'cause and effect'. Its basis also relies on the belief that events happen on the basis of what happened previously. This is to say that everything is determined by the causal effects of what had already happened earlier.

Thus, the correct answer is the first option.

At the end of the second paragraph, the author claims that “these instances are not adduced with a view of proving that it is desirable to open such professions to women” primarily to

Answers

Answer:

- distance herself from a perspective that could be supported by the evidence she cites.

Explanation:

Towards the conclusion of the end paragraph, the author asserts that the examples provided by him did not mean to specify that he favors or willing to open such professional opportunities for women too because he aims to detach himself from any of the ideas that could be backed by the evidence she proffers. The author clarifies that these instances do not reflects his point of view either or to substantiate the claim of opening these professions to females but only to provide an aspect of the topic.

Answer:

b distance herself from a perspective that could be supported by the evidence she cites

Explanation:

The theory stating that we form attitudes through observing another's behavior or through conditioning is the
theory.
A elaboration
B. learning
C. dissonance
D. self-perception

Answers

Answer:

B

Explanation:

Edge2021

The theory stating that we form attitudes through observing another's behavior or through conditioning is the theory learning.

What is Learning?

Learning is a generally long-lasting modification of behavior brought about by experience. It is the process of learning new things and developing new abilities.

It's simple to concentrate on formal schooling that occurs in childhood and early adulthood when you think of learning. Learning, however, is a continuous process that happens all throughout life and is not only limited to the classroom.

Early in the 20th century, behaviorism emerged as a dominant school of thought, and learning was afterwards a major area of study. Learning is still a key idea in many branches of psychology today, such as cognitive, educational, social, and developmental psychology.

Therefore, The theory stating that we form attitudes through observing another's behavior or through conditioning is the theory learning.

To learn more about Learning, refer to the link:

https://brainly.com/question/1503472

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Do you agree that inquiring on something means you are researching about it? explain your point

Answers

Answer:

No, I don't agree that inquiring on something means you are researching about it, mainly because an inquiry will not necessarily be intended to satisfy an informative need on the part of the questioner, but may also point to being a rhetorical question, or to be a trigger for a debate or discussion between the parties. That is to say, in short, an inquire is a communication tool that is not always used in order to obtain information about the thing that is being asked.

It should be noted that inquiring about something means you are researching about it. Therefore, it is true.

What is a research?

A research is a systematic investigation into and study of materials and sources to establish facts and reach new conclusions.

Inquiring about something means you are researching about it. This is done when someone wants to get more insight about a topic.

Learn more about research on:

https://brainly.com/question/25257437

Julie can't remember what she made on one
of her tests in math. She knows that she
made a 100, 95, and an 80. She also knows
that the mean for the 4 tests is a 92. What
was her grade on the other test?

Answers

Answer: 93

Explanation:

Firstly, we need to know the rural.scire for the 4 tests. Since the mean for the 4 tests is a 92, the total score will be:

= 4 × 92

= 368

Since we want to know the score for he 4th test, we add the score for the 3 tests that she remembers and subtract from 368. This will be:

= 368 - (100 + 95 + 80)

= 368 - 275

= 93

She had 93 in her last test.

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