The best and most correct answer among the choices provided by your question is the third choice or letter C.
<span>The statement "Your hypothesis must be testable." is true about the scientific process.
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Although internal energy<span> will not spontaneously flow from a cold region to a hot region, it can be forced to do so by doing work on the system.</span>Refrigerators<span> and </span>heat pumps<span> are examples of </span>heat engines<span> which cause energy to be transferred from a cold area to a hot area. Usually this is done with the aid of a </span>phase change<span>, i.e., a refrigerant liquid is forced to evaporate and extract energy from the cold area. Then it is compressed and forced to condense in the hot area, dumping its </span>heat of vaporization<span> into the hot area. ARE YOU FROM K12?</span>
We know that pressure is equal to the relation between force applied perpendicular to a certain area.
If we express area we get:
The pressure is decrease proportional to the area.
Hope this helps.
r3t40
Answer:
Option B, Fix the piston in place so the volume of the pas remains constant
Explanation:
As we know
The effect on variable due to another variable can be studied by keeping the third variable constant.
Hence, in order the study the variation of temperature with pressure or vice versa, the volume needs to fixed at a certain value.
Hence, option B is correct
If time (t), acceleration(a) and initial velocity (Vi) is given distance can be find by
S = (Vi)t + (1/2) at²
If both velocities initial velocity an final velocity is given then formula will be
2aS = (Vf)²- (Vi²)
Where S is the distance.