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Irina-Kira [14]
4 years ago
10

How do you know if an experimental result is acceptable or trustworthy? What gives you confidence that your data are trustworthy

?
Physics
1 answer:
Virty [35]4 years ago
6 0

Explanation:

For an experimental result to be considered acceptable, all relevant variables involved in the experiment must be taken into account, by isolating it, performing it under controlled conditions and modifying the conditions under which it takes place. This, with the objective of excluding alternative explanations in the analisis of the experimental data. Therefore, if these steps are followed appropriately, experimental data are trustworthy. The reliability of the experiment increases when it is replicated by other researchers and the same results are obtained.

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PLZ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
skad [1K]

A & C

Explanation:

The combination of the earth's weak gravity and its closeness to the sun does not allow it to hold hydrogen and helium gases in its atmosphere. Its relative closeness to the sun means it is hot enough such that the helium and hydrogen molecules would have high kinetic energy. Remember that gravity acts strongly on larger masses, therefore it would require very strong gravity to have an influence on lighter gas molecules like hydrogen and helium let alone when they have a high kinetic energy. This means these molecules can easily escape the earth’s atmosphere into space.

Planets that are larger (meaning they have a stronger gravity) and farther from the sun (meaning these molecules won't have a very high kinetic energy) are able to hold these lighter gases in their atmosphere. Examples of such planets are Jupiter.

Learn More:

For more on gravity check out;

brainly.com/question/8844454

#LearnWithBraily

5 0
3 years ago
Read 2 more answers
1. A person of mass 55 kg is in a bumper car that has a mass of 75 kg. They are together at a velocity of 8 m/s.
ExtremeBDS [4]

The momentum of the bumper car after the collision is 1,040 kgm/s.

<h3>Momentum of bumper</h3>

The change in momentum of the bumper is calculated as follows;

P = v(m1 + m2)

P = 8(55 + 75)

P = 1,040 kgm/s

The momentum of the bumper car after the collision is 1,040 kgm/s.

The direction is still the same.

Learn more about momentum here: brainly.com/question/7538238

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7 0
2 years ago
When might a therapist be required to violate confidentiality?
AveGali [126]

Answer:

When to Break Confidentiality There are a few situations that may require a therapist to break confidentiality: If the client may be an immediate danger to themself or another If the client is endangering another who cannot protect themself, as in the case of a child, a person with a disability, or elder abuse

Explanation:

4 0
3 years ago
Consider a corn yield of 7,500 kg/hectare (equivalent to 120 bushels per acre). If 25 kg (one bushel) of corn consumed about 20m
Alla [95]

Answer:

\frac{W_{1}}{W_{2}} = 0.5

Explanation:

The ratio of the weight of corn to the weight of water consumed will be the same. Either we compare the total weights for the total amount of corn or we compare only a small proportion of it. So, we consider the given 25 kg of corn. So, the mass of corn is given:

m₁ = mass of corn = 25 kg

Now, for mass of water, we will use its density:

ρ₂ = m₂/V₂

m₂ = ρ₂V₂

where,

m₂ = mass of water = ?

V₂ = Volume of water consumed by 25 kg corn = 20 m³

ρ₂ = density of water = 1000 kg/m³

Therefore,

m₂ = (1000 kg/m³)/(20 m³)

m₂ = 50 kg

Now, we calculate the ration:

\frac{Weight of Corn}{Weight of Water} = \frac{W_{1}}{W_{2}} = \frac{m_{1}g}{m_{2}g}

\frac{W_{1}}{W_{2}}=\frac{m_{1}}{m_{2}} = \frac{25 kg}{50 kg}

\frac{W_{1}}{W_{2}} = 0.5

6 0
3 years ago
The city council is discussing whether or not to put fluoride in the city's water supply. Many other towns add it already, but y
blsea [12.9K]
D- they’re the most neutral source
6 0
3 years ago
Read 2 more answers
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