2 years ago

If you know any of them, please help!!!!!!

Physics

1 answer:

Anna [14]2 years ago

5 0

I believe the answer for 1) is

PEgrav = mass • g • height

PEgrav = m *• g • h

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An engineer has the task of producing an aluminum alloy with a density of 3.0 grams per cubic centimeter. She comes up with the

pochemuha

Answer:

The best option is for the following option m = 15 [g] and V = 5 [cm³]

Explanation:

We have that the density of a body is defined as the ratio of mass to volume.

$Ro =m/V$

where:

Ro = density = 3 [g/cm³]

Now we must determine the densities with each of the given values.

For m = 7 [g] and V = 2.3 [cm³]

$Ro=7/2.3\\Ro=3.04 [g/cm^{3} ]$

For m = 10 [g] and V = 7 [cm³]

$Ro=10/7\\Ro=1.42[g/cm^{3} ]\\$

For m = 15 [g] and V = 5 [cm³]

$Ro=15/5\\Ro=3[g/cm^{3} ]\\$

For m = 21 [g] and V = 8 [cm³]

$Ro=21/8\\Ro=2.625[g/cm^{3} ]\\$

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2 years ago

In a solution, the substance that does the dissolving is called Blank Space __________.

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The answer is Solvent. The reason is in the wording, 'the substance that does the dissolving.' A solvent does the dissolving, a solute is something that can be dissolved.

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3 years ago

A good way to demagnitize something

USPshnik [31]

Answer:

heat it up to above 176f or apply alternating current

Explanation:

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2 years ago

How long do elephants live?

ANTONII [103]

65 years but anything can happen to them
I’m not really sure but I hope this helps

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2 years ago

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If these gas molecules were compressed further, how would the average kinetic energy of the molecules be affected? A. It would i

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I believe the correct response would be B. It would decrease.

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3 years ago