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3 years ago

An independent variable is ?

Physics

2 answers:

ipn [44]3 years ago

8 0

Answer:

que te importa mmg

Explanation:

Elis [28]3 years ago

3 0

An an independent variable is a variable whose variation is not dependent of that other

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Between a piece of paper and a rock, which will fall the fastest and why?

AysviL [449]

Answer:

The Rock

Explanation:

The paper is very thin and light so it has more air reisistance which will cause it to fall slower than the rock that has a larger density.

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3 years ago

Oxygen and hydrogen gas are at the same temperature T.What is the ratio of kinetic energies of oxygen molecule and hydrogen mole

VashaNatasha [74]

Answer

the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen is 1

Explanation

The average kinetic energy of a gas molecule at temperature T is given by following formula

$E =\frac{3kT}{2}$ ...............(1)

Here k is Boltzmann's constant ( $k=1.38\times 10^{-23} JK^{-1}$ ).

From above equation it is clear that average kinetic energy of a gas molecule only depends on temperature.

Therefore kinetic energy of oxygen molecule $E_{1}=\frac{3kT}{2}$ ....2

and kinetic energy of hydrogen molecule $E_{2}=\frac{3kT}{2}$ ....3

the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen is given as

$\frac{E_{1}}{E_{2}} =\frac{\frac{3kT}{2}}{\frac{3kT}{2}}$

$\frac{E_{1}}{E_{2}}=1$

Therefore, the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen is 1

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3 years ago

Frank has a sample of steel that weighs 80 grams. If the density of his sample of steel is 8 g/cm3, what is the sample’s volume?

Allushta [10]

It should be 10 cm3 since 1 cm3 is 8 and 10•8=80.

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3 years ago

Read 2 more answers

Explain Alfred wegener's hypothesis

grandymaker [24]

He proposed the theory of Continental Drift. He believed that all of the continents were once joined together in a super continent he called Pangea (not sure if that's spelled right I studied this awhile ago). He proved this by showing similarities in fossils in completely different continents and showing how well the continents could fit together.

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3 years ago

Which statement is true about how early humans met their needs?

Black_prince [1.1K]

Answer:

they were hunter gatherers

Explanation:

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2 years ago

An independent variable is ?​

An independent variable is ?