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Why does heated air expand?
Temperature is often explained as the average thermal energy of the substance at hand. Therefore the hotter a substance is the more thermal energy it has. For most substances the statistical mechanics formula, (3/2) kT works fine. In the preceding formula, k is the Boltzmann constant and T is the absolute temperature.
As thermal energy enhances, the molecules of a substance move faster. These molecules hit other molecules faster and harder and bounce away from collisions faster and harder. Without a container to limit its shape, a gas will merely expand. Were a container present, the pressure of the gas in the container would enhance.
Regard as a capacitor which is charged to 12 volts and then connected across a resistor. Allow t1/2 be the time it takes for the voltage to drop down to 6 volts. Presume the experi
I WANT SHORT THEORY OF DEFLECTION MANGNETOMETER TAN A& TAN B
Presbyopia: The accommodation power of a person is lost by which the suffers a long sightedness. It is known as Presbyopia or lack of accommodation.
A model to show the apparent path of the sun among the stars The signs of the zodiac are drawn in the correct order on a strip of paper about 60 cm long and 8 cm wide. The ends
define electrostatistic
If W is atomic weight and N is the atomic number of an element, then: (1) Number of e -1 = W- N (2) Number of 0 n 1 = W- N (3) Number of 1 H 1 = W-N (4) Number of 0
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A parallel plate capacitor is made from 25 plates, each 70mmby 120mm interleaved with mica of relative permittivity 5. If the capacitance of the capacitor is 3000pF verify the
Commutator: The commutator is a form of rotating switch placed among the armature and external circuit and so arranged that it will reverse the link with the external circuit a
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