A marble is placed at the bottom of a semi-spherical bowl, as shown in the figure. The marble is then displaced from the bottom of the bowl to a position about halfway from the top of the bowl. The marble is then released from rest such that the marble always remains in contact with the bowl. Students observe that the marble rolls back and forth as it oscillates about the bottom of the bowl. Which of the following statements best explains why the marble undergoes oscillatory motion?.

Answers

Answer 1

D. The sides of the bowl become steeper at positions farther from the bottom of the bowl.


Related Questions

Based on the different types of land use shown in the image, which of the following best explains why soil salinization is a concern in the arid landscape shown?

Answers

The option that best explains why soil salinization is a concern in the arid landscape is; Irrigation increases the salt content of the soil, which disrupts the growth of crops and degrades soil fertility.

What is soil salinization?

Soil salinization is defined as the accumulation of water-soluble salts within soil layers above a certain level.

Now, an Increase in soil salinity will lead to total crop failure in a field due to the fact that plants need to take up water from the soil for growth and development. However the salinity levels of this soil will draw water from the plants by osmosis since the soil water will be hypertonic to the plant's cells cytoplasm as well as seeds.

In osmosis, water moves from the hypotonic solution to the hypertonic solution via a semi-permeable membrane until osmotic equilibrium is achieved. Thus, planted seeds will find it hard to germinate and plants will wilt and die as a consequence.

The missing options are;

A) Forests are being cleared as land is re purposed for agricultural uses, which reduces biodiversity in the region.

B) Land is being farmed so intensively that soil nutrients are degraded to the point that crops will not grow.

C) Irrigation increases the salt content of the soil, which disrupts the growth of crops and degrades soil fertility.

D) Fields are left fallow after being farmed intensively so that nutrients in the soil may be replenished.

E) Multiple crops are being planted into the same field, which increases the chances of pest damage.

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Listed in the item bank are a number of key events from this field. Some events have more details available when you click on them. Drag and drop the events in chronological order by placing each in its corresponding open rectangle. If there is overlapping, simply trace the dashed line down to the timeline for clarification

Answers

Ordering the events in a chronological order implies that the events are ordered as they happened

How to order the key events

To determine the best order of the key events, we simply order the events in the order which they happen in chronological order.

Using the complete question as a guide, the order of the events are:

1918: World War I ends.1920: Nineteenth amendment ratified.1928: Herbert Hoover elected president.1929: Stock Market Crash.1930: Hawley Smoot Tariff passed.1932: Franklin Roosevelt elected president.1933: New Deal begins.

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How does the term ""the white man’s grave"" explain why much of africa went unexplored by europeans for so long?.

Answers

Answer:

This term refers to the dangers Europeans faced in Africa's interior due to disease, wild animals, and hostile tribes.

Explanation:

got it right on the quiz

Answer:

This term refers to the dangers Europeans faced in Africa's interior due to disease, wild animals, and hostile tribes.

Explanation:

The image produced by an object is –10. 0 cm from a concave mirror that has a focal length of 5. 0 cm. The distance of the object from the mirror, rounded to the nearest whole centimeter, is cm.

Answers

The distance of the object from the mirror is 3cm.

To calculate the distance of the object from the mirror, we make use of the mirror formula

Mirror formula1/f = (1/u)+(1/v)............ Equation 1

Where:

f = Focal length of the mirrorv = image distance u = object distance.

Using the real is positive convention,

Given:

f = 5 cmv = -10 cm

Substitute these values into equation 1 and solve for u

1/5 = (-1/10)+(1/u)1/5+(1/10) = 1/u1/u = (2+1)/101/u = 3/10u = 10/3u = 3.33 u = 3 cm

Hence, The distance of the object from the mirror is 3cm.

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How does temperature and precipitation change as you increase in elevation?.

Answers

Answer:

Explanation:

As you increase in elevation, there is less air above you thus the pressure decreases. As the pressure decreases, air molecules spread out further (i.e. air expands), and the temperature decreases.

What does andrew weiss mean when he says it would be ""political gold"" for putin if the u. S. Treated recent events as if there were a new cold war with russia?

Answers

The term ""political gold""  is simply known as political  gain and in this text, Andrew Weiss mean that Putin will have a lot of political gain, advantage or opportunity if the u. S. Treated recent events as if there were a new cold war with Russia.

What is political gold?

Political gold is a word or phrase that connote political gain, advantage or a golden opportunity.

Andrew Weiss implies that Putin will have a lot of political advantage or opportunity because Russia is one that has the support of some major countries such as China and North Korea and this would not be good for U.S.

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How did hine differ from other documentary photographers of the time? (site 1)

Answers

The way in which Hine differed from other documentary photographers is; As explained in the answer below.

What is the way in which photographers differ?

At the beginning of the twentieth century, photographers used its growing influence to expose the evils in the society, of which the prosperous, self-indulgent Belle Époque chose to ignore.

Now, Hine was worked in local factories as a youth and attended the State Normal School in Oshkosh as a young adult and then he became a teacher and school photographer at New York.

Hine was really determined to teach his students compassion and respect for immigrants and as a result, he began to photograph immigrants coming through Ellis Island which led a full-time photographer.

He produced documentary photography for social reform and showed the world the real people that he found with pictures and photo essays: Close -ups of children working, kids in mills, orphans on the streets, sweatshops, adult laborers, immigrant families, and struggling individuals.

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Small object usually built to scale that represents

Answers

Answer:

A small object built to scale that represents something larger is called a "scale model."

Explanation:

A scale model is a smaller version of an object or concept that accurately represents the proportions and features of the original on a reduced scale. It is a three-dimensional or virtual representation used for visualization, planning, and understanding complex structures or systems. Scale models allow us to study and interact with the object or idea in a more manageable form, making it easier to test and communicate ideas before actual production or construction. They are valuable tools in various fields, including architecture, engineering, design, and education.

100 points find the length of PQ

Answers

Answer:

32 cm is the length of PQ ans

In paragraph 1 of the excerpt from the piano shop on the left bank, why does the narrator describe the piano as "a strange and wonderful combination of the robust and the delicate"?

Answers

Answer: I believe that the answer is." To explain why he feels this particular piano is special"

Explanation:   A.) To explain why he feels this particular piano is special

In paragraph 6 of the selection from the boston girl, what does the description of miss chevalier emphasize?.

Answers

In paragraph 6, the description of Miss Chevalier is used to emphasize the contrast between her unusual appearance and her congenial personality.

Facts, quotations, examples, anecdotes, and statistics can all be used as.

Answers

“evidence” is the answer to your question

The atoms of a certain element each contain 35 protons and 7 valence electrons. Which statement correctly identifies this element and describes its chemical reactivity?

Answers

Answer:

This is Bromine.

Explanation:

Bromine is intermediate in reactivity between chlorine and iodine, and is one of the most reactive elements.

Which of the following should be measured using millimeters?


length of a track
length of a track

width of a credit card
width of a credit card

height of a window
height of a window

width of a desk
width of a desk

Answers

width of credit card

height of window

lenth of track

A 50 g ball of clay traveling at speed v0 hits and sticks to a 1. 0 kg brick sitting at rest on a frictionless surface.

Answers

Answer:

speed is 0.048

Explanation:

hope it helps . took the k12 test

Which of these does not correctly contrast sperm with eggs

Answers

A statement that doesn't correctly depict a contrast between sperm and eggs is: mass produced : one each month.

What are Eggs and Sperm of Humans?

Eggs are the female reproductive cells (much larger), while sperms are male reproductive cells (much smaller).

At birth, females have approximately a million eggs, which decline in number as they age, while males, at puberty, produce sperm almost everyday.

Therefore, a statement that doesn't correctly depict a contrast between sperm and eggs is: mass produced : one each month.

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The future value of $200 received today anddeposited at 8 percent compounded semi-annually for three years is.

Answers

Answer:

$253

Explanation:

[tex]200(1+\frac{0.08}{2})^{2(3)} \\200(1.04)^{6} \\200(1.26...)\\=253.06\\\\\\[/tex]

Use the formula (A=P(1+r/n)^nt

Which sentence from the passage would support the claim that the themes of langston hughes' poetry matched the themes of jazz music?.

Answers

Answer:

B

Explanation:

If the teacher is giving you multiple choice it should be B. If not, it's  "The rhythm of the poem was echoed in the rhythm and beat of the music, and soon Hughes performed his work with a jazz band in the background."

For most of our nation’s history people have lived towards the interior of the country. What years do we see a major migration to the coastline of the u. S. ?.

Answers

Answer:

1950's-1960's

Explanation:

I apologize for the somewhat late answer but also I got this correct on the quiz :) Brainliest please :D

Between which two consecutive integers does √150 lie.

Answers

Answer:

12 and 13

Explanation:

We know that 150 > 100, so the integer has to be > 10.

11² = 121

12² = 144

13² = 169

As you can see, the two integers that have 150 between their squares is 12 and 13.

(If we were to put the square root of 150 in a calculator, we would get 12.247... which is between 12 and 13).

Modernism (in literature) focused on all of the following aspects except: question 2 options: a) appreciation of nature b) alienation of the individual c) corruption of old-fashioned values d) brutality of war.

Answers

The only option that modernism didn't focus on is; A: Appreciation of Nature

What is Modernism?

Literary modernism originated in the late 19th and early 20th centuries primarily in Europe and North America. Modernism is characterized by a self-conscious break with traditional ways of writing, in both poetry and prose fiction writing.

The modernist movement was not in line with the previous Romantic period due to the fact that one focused on nature and existence while the modernist authors were more focused on the inner self and consciousness.

Thus, the correct answer is option A.

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Are the tuskegee syphilis study and diethylstilbestrol study on pregnant women unethical why.

Answers

Answer:

yes

Explanation:

The study is an experiment that was conducted between the 1932 and 1972 by the UNPS that is united nations public health services. It was taken up by the center of disease control and prevention. The main aim was to study and observe the diseases when untreated. The initial experiments were made of 6 months.

For a 1.0×10−6 m solution of hno3(aq) at 25 °c, arrange the species by their relative molar amounts in solution.

Answers

The relative order of molar amounts since the solution is aqueoeus with H₂O having more concentration is; H₂O > H₃O⁺ = NO₃⁻ > OH⁻  > HNO₃

What is the relative molar amount?

Since the solution is aqueoeus, it means that H₂O has more concentration.

Now, since HNO₃ is a strong acid, it will completely dissociate. Thus;

HNO₃ + H₂O ⇒ H₃O⁺ + NO₃⁻

In the reaction above, HNO₃, H₂O, H₃O⁺, NO₃⁻ and OH⁻ are present. Since concentration of each ion is given as 1 * 10⁻⁶ M, then;

Concentration of OH⁻ is gotten from the formula;

k_w = [H₃O⁺][OH⁻]

Thus;

1 * 10⁻¹⁶ = [1 * 10⁻⁶] * [OH⁻]

[OH⁻] = [1 * 10⁻¹⁶]/[1 * 10⁻⁶]

[OH⁻] = 1 * 10⁻⁸

Thus, relative order of molar amount is;

H₂O > H₃O⁺ = NO₃⁻ > OH⁻  > HNO₃

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Darwin and wallace both gathered a large number of observations and facts on which they based their theories. Which of the following types of evidence was not part of the evidence they gathered?

Answers

Answer:D

Explanation:

The type of evidence that should not be part of should be genetic evidence.

What is genetic evidence?

It is the evidence where it predicted the no of human ancestors. Here the relation between the genetic diversity & the size of the population should be considered. So based on this, it received large no of observations and facts related to the fossil, anatomical, and the geographical evidence

Therefore, the option d is correct.

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Complete the following sentence.
If you shine a flashlight at an object in space that is 150,000,000 km from Earth, the light will arrive at the object in approximately light seconds.










Also… STOP DELETING MY QUESTIONS YOU BOTS

Answers

Answer:

false because it would take a few years to reach it I think

Explanation:

im new

Answer:

no bots false

Explanation:

Which choice would likely form a heterogeneous mixture?.

Answers

You didn’t write any choices

If 2. 5 moles of h2o are produced how many moles of hydrogen gas must be used.

Answers

Answer:

2.5 moles of H2

Explanation:

What is the equation in slope-intercept form of the line that passes through the points (−26,−11) and (39,34)?

Answers

3 votes
Answer:y = 9/13x + 7Step-by-
step explanation:Find the slope
and then plug in a point

Critically discuss the role of self awareness in your attempt to choose subjects in keeping with your personal attributes at grade 10.

Answers

The role of self awareness in an attempt to choose subjects at Grade 10 lies in the fact that;

Helped distinguish one's own beliefs from others.

Benefits of self awareness

It helps us to become better decision-makers and hence, gives us more self-confidence. On this note, one was able to communicate with clarity and intention. Additionally, one is able to understand things from multiple perspectives.

On this note, self awareness helped me identify that I'm very curious and hence, helped me choose science subjects at Grade 10.

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Read and choose the option with the best and correct word or words to complete the sentence. ¡me encanta ser activo y hacer ejercicio en la playa! me gusta ________ con amigos en los deportes de playa. Repetir competir el juego de mesa el videojuego en casa

Answers

According to the context described in the sentence, it can be inferred that the term that best completes the sentence is "competir".

How to select the correct term according to the context?

To complete this sentence it is necessary to look at the context that the author is stating. In this case, from the structure of the sentence it can be inferred that the missing term is a verb.

Additionally, it must be taken into account that the sentence has coherence and clear meaning, so the verb to "repetir" is discarded because it does not provide coherence to the sentence. In that case, the verb that best fits the context of the sentence is competir. So the complete sentence would be:

¡Me encanta ser activo y hacer ejercicio en la playa! Me gusta competir con amigos en los deportes de playa.

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Answer:

Its "competir"

Explanation:

Cause i took the test

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