Entropy, in thermodynamics, is a measure of the degree of randomness or disorderliness of a system. It has units of energy per temperature. So, we calculate it by dividing the total heat in the system by the temperature. We do as follows:
Entropy = 437 J / 321 K = 1.36 J/K
Option D
The resistance in machine is 8.5 ohms
<em><u>Solution:</u></em>
Given that,
Power = 1700 W
Voltage = 120 V
We have to find the resistance in machine
<em><u>The formula used is:</u></em>
Where,
"P" is the electric power and "V" is the voltage and "R" is the resistance
<em><u>Substituting the given values we get,</u></em>
Thus resistance in machine is 8.5 ohms
Answer:
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Explanation:
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Exactly the same
Explanation:
Objects looks exactly the same when viewed through a transparent object. A transparent body allows light to pass through completely. Therefore, the image formed will completely resemble that of the object to be viewed.
Examples are air, glass, pure water.
A translucent body partially allows light to pass through it. Most times, the image is not clear and it is distorted.
An opaque object will not allow light pass through it. It completely obstructs the ray of path of light. An opaque body will produce an image on the screen.
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Two objects allowed to move freely will accelerate toward each other
in response to the gravitational forces between them.
It doesn't matter whether they have equal masses or vastly different
masses ... each object accelerates toward the other one.
The less-massive object has greater acceleration, and the more-massive
object has smaller acceleration.
Yes. When you fall to the Earth, the Earth falls to you, but with less
acceleration because it has less mass than you have.