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rusak2 [61]
3 years ago
14

Please help giving 15 points How do you calculate the density of an object?

Physics
2 answers:
sesenic [268]3 years ago
8 0

Divide the mass over volume d=m/v

Elis [28]3 years ago
3 0
You first find the mass and the volume of that object. Then you divide mass ÷ volume
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A gas is placed in a storage tank at a pressure of 49.2 atm at 39.0C . As a safety device, a small metal plug in the tank is mad
Amiraneli [1.4K]

Answer:

The maximum pressure that will be attained in the tank before the plug melts and releases gas should be less than 74.26 atm.

Explanation:

To calculate the final pressure of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{P_1}{T_1}=\frac{P_2}{T_2}

where,

P_1\text{ and }T_1 are the initial pressure and temperature of the gas.

P_2\text{ and }T_2 are the final pressure and temperature of the gas.

We are given:

P_1=49.2 atm\\T_1=39.0^oC = 312.15 K\\P_2=?\\T_2=198^oC=471.15 K

Putting values in above equation, we get:

\frac{49.2atm }{312.15 K}=\frac{P_2}{471.15 K}\\\\P_2=74.26 atm

The maximum pressure that will be attained in the tank before the plug melts and releases gas should be less than 74.26 atm.

4 0
3 years ago
The ability to make things happen is also called _____.
DerKrebs [107]
Force bc it says the ability to make stuff happen
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3 years ago
Jason applies a force of 4.00 newtons to a sled at an angle 62.0 degrees from the ground. What is the component of force effecti
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Please see picture attached.

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Question 9 of 10
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Answer:

I believe the correct answer is B..<u>" 1 "</u>

Explanation:

hope it helps! ;)

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Which of the following statements is "true" of imagined risks?
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