Answer:
Newton states his second law of motion in terms of momentum: The net external force equals the change in momentum of a system divided by the time over which it changes or F = m*a. The change in momentum is the difference between the final and initial values of momentum. ... It is equal to the change in momentum.
Explanation:
The ideal gas constant is a proportionality constant that is added to the ideal gas law to account for pressure (P), volume (V), moles of gas (n), and temperature (T) (R). R, the global gas constant, is 8.314 J/K-1 mol-1.
According to the Ideal Gas Law, a gas's pressure, volume, and temperature may all be compared based on its density or mole value.
The Ideal Gas Law has two fundamental formulas.
PV = nRT, PM = dRT.
P = Atmospheric Pressure
V = Liters of Volume
n = Present Gas Mole Number
R = 0.0821atmLmoL K, the Ideal Gas Law Constant.
T = Kelvin-degree temperature
M stands for Molar Mass of the Gas in grams Mol d for Gas Density in gL.
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Complete Question
A parallel-plate capacitor, with air dielectric, is charged by a battery, after which the battery is disconnected. A slab of glass dielectric is then slowly inserted between the plates. As it is being inserted,
A :
a force repels the glass out of the capacitor.
B :
a force attracts the glass into the capacitor.
C :
no force acts on the glass.
D :
a net charge appears on the glass.
E :
the glass makes the plates repel each other.
Answer:
The correct option is B
Explanation:
Generally when the glass dielectric is slowly inserted between the plated,
The positive plate of the capacitor will induce a negative charge on the glass while the negative plate of the capacitor will induce a positive charge on glass which a electric field that posses an electric force that will attract the glass
Answer:
Ratio is used as a means of comparison of two or more subjects. It contain two or more digits which gives more information on the number of times an amount of number or times can be derived from the other/others.
An example of a ratio is 5:4 , 2:3 etc.
A ratio is also known as a noun and it can be used in sentences as follows:
The ratio of males to females in the school is five to eight. This can be translated as 5:8 in terms of mathematical expression.
What is the value of the voltage? There must be one somewhere.
This might be too simple minded, but I'll give it a voltage of 10 Volts.
R = voltage / Current
R = 10 / 0.5
R = 20 volts.
Perhaps you could post a diagram if this is a Kirchhoff Law Question.