Law High School

A physics student weighing 500 N stands on a scale in an
elevator and records the scale reading over time. The data is
shown in the graph above. At time t = 0, the elevator is at rest
on the ground floor. What is the acceleration of the student
from 10-15 s?

Answers

Answer 1

According to the question , net force is zero so the acceleration of student is zero.

By data, what do you imply?

Data is data that has been transformed into a form that is useful for transfer or analysis in computers. Data is data that has been transformed into binary digital form for use with modern technology and communication mediums. The topic of data can be used in either as the single or the plural.

Briefing:

Weight= 500mg

m = 500/9.8 = 51.02Kg

g=9.8ms^2

b) when scale elevator is at rest, acceleration is zero so net force is zero

  N-mg = 0

  N = mg = 500N

c)  During 5-10 second , N = 500N , from graph

    N-mg = ma

    500-500 = 51.02a

    a = 300/51.02

    = 5.85m/s^2 upward

d)  10-15 second , reading is 500N

     so, N-mg = 500-500

          = 0N

Net force is zero acceleration is zero so moving with a constant        velocity  or at rest.

e) During 15-20 scale reading is 300

     300-500 = m2a

     -200 = 51.02a

      a = -3.92m/s2 downward

Net force is zero , so it moves with constant velocity.

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Related Questions

In England in the 18th century, when men on prison hulks had done all of the local project repairs that were needed, what happened to them?
O They were released because that paid their debt.
O They were shipped to Australia and America to work on projects there.
O They were allowed to spend time at home with their families.
O They were sent to penitentiaries, locked up to think about what they'd done.

Answers

For nearly a century, these ships were used as "temporary" prisons. There is no denying the harshness of life in the prison hulks. Inmates were chained in irons and had to get up every day at 5 a.m., work hard for ten hours in the summer, seven in the winter, and finish at 7 p.m.

In hulks, how were convicts treated?

This was done intentionally because the parliamentary act that allowed for the use of hulks stipulated that convicts would only be fed bread, "any coarse or inferior food," water, and small beers. Convicts frequently experienced malnutrition and hunger.

When were hulks used in prison?

In the 18th and 19th centuries, authorities used decommissioned ships as floating prisons. These were called "prison hulks." In England, they were used a lot.

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Answer: B, they were shipped to Australia and America to work on projects there.

Explanation:


4. Could the United States Government implement a similar security model in the United States to monitor the
behavior of persons suspected of planning terrorist acts against the United States?

Answers

It is possible for the United States government to implement a security model similar to the one used by other countries to monitor the behavior of individuals suspected of planning terrorist acts. However, the specifics of such a model would depend on a number of factors, including the current laws and regulations in the United States, the resources available to the government, and the level of support for such a measure among the general population. It is also important to note that any security model implemented in the United States would need to be carefully designed to balance the need for security with the need to protect individual rights and liberties

Because Indigenous communities often lack the money to buy or sell goods and services, tribal governments: A. work with the state government to open businesses and casinos. B. formed their own banks to give loans to Indigenous people. C. run casinos, gas stations, hotels, and online businesses. D. rely on the federal government to provide subsidies and grants.​

Answers

Because Indigenous communities often lack the money to buy or sell goods and services, tribal governments is option C. run casinos, gas stations, hotels, and online businesses.

What is the Indigenous communities about?

It is important to note that Indigenous communities have a diverse range of economic activities, and different communities may have different approaches to economic development.

Some Indigenous communities have established businesses, such as casinos, gas stations, hotels, and online businesses, as a way to generate income and support their communities. Other Indigenous communities may work with state or federal governments to access subsidies or grants to support economic development.

Still, others may have formed their own banks or credit unions to provide loans to Indigenous people. It is not uncommon for Indigenous communities to use a combination of these approaches to support economic development and improve the well-being of their communities.

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What is the correct definition of a constitution?

Answers

Answer: A constitution is a document that sets forth the fundamental principles and laws of a government, outlining the powers and duties of the government and establishing the rights, liberties, and duties of the people. It is typically the highest law of the land, and its provisions are typically more difficult to change than those of ordinary laws. A constitution provides the framework for the organization and operation of a government, and it sets the rules for the exercise of political power. It is often seen as a safeguard against arbitrary or oppressive rule, as it sets limits on the powers of government and protects the rights of individuals.

a body of fundamental principles or established precedents according to which a state or other organization is acknowledged to be governed

A disagreement has erupted between Jarron and Will about who owns a book that is in the public domain. Jarron says the original writer remains the
owner while Will says that no one owns it. Who is right?

A. Jarron because books cannot be public domain.

B. Jarron because Creative Commons licenses protect author ownership in the public domain.

C. Neither Jarron nor Will because the original writer's family are the legal copyright owners.

D.
Will because items in the public domain belong to the public.

Answers

A disagreement has erupted between Jarron and Will about who owns a book that is in the public domain. Jarron because books cannot be public domain. Hence, option A is appropriate.

What is the public domain?

All artistic creations for which no exclusive rights of intellectual property apply are considered to be in the public domain. Anyone may legally use or make references to those works without permission since these rights have expired.

Generally speaking, if a piece of work is no longer copyrightable or its copyrights have expired, it is in the public domain. Public domain compositions can be extensively quoted and can act as the basis for new creative works.

Hence, option A is correct.

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