2 years ago

Why does changing the shape of an object have no effect on the density?

1 answer:

8 0

Density is (the object's mass) divided by (the object's volume).

Changing the object's shape doesn't change its mass or volume,
so its density doesn't change.

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Below are the choices that can be found from other source:

a. frequency
b. the Doppler effect
c. the resonance effect
d. intensity

The answer is B.

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

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2 years ago

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A gas at 5.00 atm pressure was stored in a tank during the winter at 5.0 °C. During the summer, the temperature in the storage a

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Answer:

a) 5.63 atm

Explanation:

We can use combined gas law

The combined gas law combines the three gas laws:

Boyle's Law, (P₁V₁ =P₂V₂)
Charles' Law (V₁/T₁ =V₂/T₂)
Gay-Lussac's Law. (P₁/T₁ =P₂/T₂)

It states that the ratio of the product of pressure and volume and the absolute temperature of a gas is equal to a constant.

P₁V₁/T₁ =P₂V₂/T₂

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The volume of the system remains constant,

So, P₁/T₁ =P₂/T₂

a) $\frac{5}{278} =\frac{P_2}{313} \\\\P_2=\frac{5*313}{278}\\ P_2 = 5.63 atm$

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2 years ago

The is the particle in the nucleus with a positive charge. Answer here

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Answer: A proton is a positively charged particle located in the nucleus of an atom.

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You hear the sound from a tuning fork vibrating at 483 Hz. You then hear the sound from a second tuning fork vibrating at 512 Hz

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Answer:

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Answer:

4.64m/s

Explanation:

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v ≈ 4.64m/s

Best of Luck!

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1 year ago