Which could be the factor that remains at the same phases of an experiment?A: observations
B:science
C: scientific methods
D: technology
E: controlled variables

Answers

Answer 1

Answer:

Controlled variables are the factor that remains at the same phases of an experiment.

What is controlled variable?

Anything kept constant or constrained in a research study is referred to as a control variable. Despite not being relevant to the study's objectives, this variable is controlled because it might have an impact on the results.

Variables can be controlled either directly by maintaining their value throughout a study (for example, by maintaining a constant room temperature in an experiment) or indirectly by using techniques like randomization or statistical control (e.g., to account for participant characteristics like age in statistical tests).

Hence, controlled variables are that variables which are kept at the same phases of an experiment.

To learn more about controlled experiment, refer the link:

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Answer 2

Answer:

the controlled varaibles aka E. because the control group is Group of subjects in the experiment that experimental group as compared to

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What is a dyne? Please help me

Answers

The dyne is the unit of force in a system of units related to SI units.

The SI unit of force is 1 newton = 1 kilogram-meter/sec² .

Using centimeters and grams instead of meters and kilograms,

1 dyne = 1 gram-centimeter/sec² .

1 newton of force = 100,000 dynes of force

How many joules are in 10,000 Electron Volts

Answers

1.602177e-15 joules are in 10,000 electron volts

1.602177e-15 joules are present in 10,000 Electron Volts :)

6. A 73-kg woman stands on a scale in an elevator. Thescale reads 810 N. What is the magnitude and
direction of the elevator's acceleration?

A. 0.23 m/s2 up
B. 1.3 m/s2 up
C. 6.5 m/s2 down
D. 11 m/s2 down

Answers

The magnitude and direction of the elevator's acceleration would be $1.296 ms^(-2) \: upward$

Given the Parameters :

Scale, reading, N = 810 N

Mass, m = 73 kg
Acceleration due to gravity, g = 9.8 m/s²

The Normalforce can be calculated using the relation :

$N = mg + ma$

$N = m(g + a)$

$g + a = (N)/(m)$

$a = (N)/(m) - g$

Substituting the Parameters into the equation :

$a = (810)/(73) - 9.8$

$a = 11.0959 - 9.8$

$a = 1.296 ms^(-2)$

Scale reading > weight of woman (73 × 9.8)

810 < 715.4 (acceleration will be upward)

Therefore, the acceleration of the elevator would be $a = 1.296 ms^(-2) \: upward$

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Answer:

Explanation:

n = m(g +a)

n= normal force (N)

m=mass (kg)

g=acceleration of gravity

a= acceleration of elevator

rearrange:

a= n/m - g

a= (810 N/73 kg) - 9.8 m/s ^2

a= 1.3 m/s ^2 up

and the acceleration is upwards bc her weight is less than the scale reading

Why do we get tired?

Answers

We get tired because our bodies are always working and using energy. And doing all that work makes our bodies need rest and sleep.

Many countries have water conservation techniques in place. The United States has lagged behind in the area of water conservation, but recently many local governments have encouraged water conservation methods. Which method is NOT a way to conserve water? A) low-flow toilets B) water reclamation tanks C) not fixing leaky faucets and pipes D) odd and even day lawn watering schedules

Answers

Answer: C). not fixing leaky faucets and pipes.

Explanation:

Water is a necessary ingredient that is required by all living beings in the world. Due to increase in population of humans all over the world the demand for water is also increasing. As a result of this the concentration of water in water bodies depeleting. Therefore, special initiatives should be taken to conserve water.

Among the options given, not fixing leaky faucets and pipes is the correct option. This is because of the fact that leaky faucets and pipes may lead to the loss of useable freshwater. This is against conservation of water.

I'd say C because a lot of water wastage come from broken faucets/pipes.

The slowest type of mass movement, Which involves the lifting and contracting of soil particles overtime, is called