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Georgia [21]
3 years ago
5

Choose the four major environmental

Physics
1 answer:
creativ13 [48]3 years ago
6 0
B that’s the answer your welcome
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How much kinetic energy does a 50 kg rock has if its moving at a velocity of 2m/s
maria [59]

Answer:

KE = 100 J

Explanation: Should be correct

5 0
3 years ago
A 2 L balloon filled with gas is warmed from 280 K to 700 K. What is the volume of the gas after it is heated?
irakobra [83]

Answer:

New volume, v2 = 0.8L

Explanation:

<u>Given the following data;</u>

Original Volume = 2L

Original Temperature = 280K

New Temperature = 700K

To find new volume V2, we would use Charles' law.

Charles states that when the pressure of an ideal gas is kept constant, the volume of the gas is directly proportional to the absolute temperature of the gas.

Mathematically, Charles is given by;

VT = K

\frac{V1}{T1} = \frac{V2}{T2}

\frac{V1}{T1} = \frac{V2}{T2}

Making V2 as the subject formula, we have;

V_{2}= \frac{V1}{T1} * T_{2}

V_{2}= \frac{2}{700} * 280

V_{2}= 0.0029 * 280

V2 = 0.8L

Therefore, the volume of the gas after it is heated is 0.8L.

7 0
3 years ago
Kate is working on a project in her tech education class. She plans to assemble a fan motor. Which form of energy does the motor
andreyandreev [35.5K]

Motion Energy

I am writing this so it can be more than 20 letters

7 0
3 years ago
When you describe a liquid as thick, are you saying that it has a high or a low viscosity?
Umnica [9.8K]
It is commonly perceived as "thickness", or resistance to pouring. Viscosity describes a fluid's internal resistance to flow and may be thought of as a measure of fluid friction. Thus, water is "thin", having a low viscosity, while vegetable oil is "thick" having a high viscosity.
6 0
2 years ago
An object with 5 protons, 5 electrons and 6 neutrons would have what charge
Anon25 [30]

Answer:

0

Explanation:

The object would be neutral. There are equal numbers of protons and electrons, so the positive and negative charges cancel one another.

5 0
3 years ago
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