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Svetlanka [38]
3 years ago
5

What are some things that have been engineered to help people deal with the effects of gravity?

Social Studies
1 answer:
Marianna [84]3 years ago
8 0

Answer:

equivalence principle. Particles follow geodesics that are extremal paths in spacetime. These paths are the same for any mass m so long as this test mass is small m << M for M the mass of a central mass that defines a gravity field. If the spacetime curvature is due to a gravity wave or some other physics, the curvature of this field R is such that R >> 8πGm^2. If this test mass is sufficiently large it has its own appreciable curvature and this results in a highly complex problem similar to the 3-body problem in Newtonian mechanics.

I have though been thinking about this a bit differently. The equivalence principle states that the freely falling frame is equivalent to a frame in flat spacetime far removed from any gravity field. I have been thinking of this according to quantum field theory. A freely falling frame is one which has a vacuum equivalent to a quantum vacuum in flat spacetime. The geodesic the frame falls under is one which preserves this vacuum.

This may be extended to massive particles and massless particles. A massless particle is on a null geodesic and is then on a “null frame.” These frames are then projective varieties over massless quantum fields in that vacuum. These massless fields all have transverse modes, but no longitudinal modes. A massive particle has a longitudinal mode, and the vacuum modes have dispersion as a result. This is due to the presence of the Higgs field.

An accelerated frame is one which has a vacuum equivalent to a particular vacuum near a black hole. Depending on the acceleration parameter this can be a different vacuum. In this way aspects of spacetime physics can be thought according to quantum mechanical or quantum field properties. Spacetime is probably an emergent phenomenon of quantum physics.

Explanation:

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How does the executive branch exercise checks and balances over the legislative branch?
prohojiy [21]

Answer:

It can veto laws passed by the legislative branch.

Explanation:

The ability to veto a certain law is held by the President of United States (the president is part of the executive branch)

Whenever the legislative branch created a law that does not have at least 67% of the legislators, the president had the ability to veto it. When the law is vetoed, the law wouldn't be able to be enacted into law unless the legislators made some change/adjustment that the president asked for.

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2 years ago
Torah what religion uses this buddhism christianity islam judaism sufism zoroastrianism
Vanyuwa [196]
Judaism uses the Torah
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3 years ago
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Which statement about political action committees (PACs) is true?
poizon [28]

<u> A. Most PACs associated with interest groups can only collect funds from group members.</u>

<u>The Political Action Committees (PAC) can only raise money through members' donations; the members generally consist of corporations, labor unions, trade associations, other types of organizations, and individuals.</u>

B. and C are incorrect because the PACs' funds are destined to finance political campaigns of candidates and political parties who support a certain cause or belief, and not to finance in services like health care for an interest group's members.

D. is incorrect as well as $5000 is not the minimum amount they can donate, in fact, it is the maximum. In the United States, a PAC can contribute to a political campaign up to $5,000 to a candidate per election, $15,000 to a party per year and $5,000 to another PAC per year. And they can receive up to $5,000 from any one individual, PAC or party committee per year.

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3 years ago
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3.4 What is the rule of law'?​
arsen [322]

Answer:

Rule of law is a principle under which all persons, institutions, and entities are accountable to laws that are:

Publicly promulgated

Equally enforced

Independently adjudicated

And consistent with international human rights principles.

5 0
3 years ago
What power enables the president to reject a bill passed by the legislator
Aloiza [94]

Answer:

The Veto power

Explanation:

The legislative branch has the power to propose a new law that about to be passed in United States. As a form of checks and balances, the president has the power to review this proposal and use the veto power in case the president is disagree with any part of the proposal.

There is a way for the legislative branch to override this veto. But in order to do that, They need to gather the support of 2/3 of the total legislative members. This tend to be really hard since half of the legislative members are more likely belong to the current president's party.

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3 years ago
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