2 years ago

Reading Check Explain the relationship between pressure and volume.

1 answer:

3 0

Answer:Pressure is inversely proportional to the volume. Pressure multiplied by volume equals some constant . where P is the pressure of the gas, V is the volume of the gas, and k is a constant. This equation shows that, as volume increases, the pressure of the gas decreases in proportion.

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What do fossils provide evidence for?

Lapatulllka [165]

Answer: B. the history of life in the geologic past

Explanation:

B. the history of life in the geologic past because fossils help us by telling what type of animals were alive back then ex ) a dinosaur fossil shows us what type of dinosaur it was

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1 year ago

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How does the Law of Conservation of Energy explain why ice cubes melt in water?

scoray [572]

Answer:

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2 years ago

Please help although I think I have the awnser but correct me if I’m wrong

iren2701 [21]

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An 85-kg hiker climbs to the summit of Mount Mitchell in western North Carolina. During one 2.0-h period, the climber's vertical

Bas_tet [7]

Answer:

The change in gravitational potential energy of the climber-Earth system, $\Delta E=4.49\times 10^5\ J$

Explanation:

Given that,

Mass of the hiker, m = 85 kg

Time, t = 2 h

Vertical elevation of the climber, h = 540 m

We need to find the change in gravitational potential energy of the climber-Earth system. We know that due to change in position of an object, gravitational potential energy occurs. It is given by :

$\Delta E=mgh\\\\\Delta E=85\times 9.8\times 540\\\\\Delta E=4.49\times 10^5\ J$

So, the change in gravitational potential energy of the climber-Earth system is $4.49\times 10^5\ J$ . Hence, this is the required solution.

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3 years ago

If your mass is 72 kg, your textbook's mass is 3.7 kg, and you and your

Setler79 [48]

Answer:

The answer is 1.63 x 10 -7 N

Explanation:

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2 years ago