Why does range of motion need to be measured separately for each joint? A. The average ranges of motion of joints are not known.
2 answers:
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Answer:
The magnification is
Explanation:
From the question we are told that
The power of the lens is
Generally
The object distance is the negative sign is because the distance is measured in the opposite direction of incident light (i.e away )
Generally the focal length is mathematically represented as
=>
=>
converting to cm
=>
Generally from lens equation we have that
=>
=>
Generally the magnification is mathematically represented as
=>
=>
The work done by a gas during an isothermal process is given by:
(1)
where
n is the number of moles of the gas
R is the gas constant
T is the absolute temperature of the gas
is the ratio between the final volume and the initial volume of the gas
We need to calculate this ratio, and we can do it by using the gas pressure. In fact, for an isothermal process, Boyle's law states that the product between pressure and volume of the gas is constant:
which can be rewritten as
which is equivalent to
The problem says that the pressure of the gas is tripled, therefore the ratio between final and initial volume is:
Now we can use eq.(1) to calculate the work done by the gas. The absolute temperature is
The number of moles is n=2, therefore the work done is
And the work is negative, because it is done by the environment on the gas (the gas is compressed)
where
n is the number of moles of the gas
R is the gas constant
T is the absolute temperature of the gas
We need to calculate this ratio, and we can do it by using the gas pressure. In fact, for an isothermal process, Boyle's law states that the product between pressure and volume of the gas is constant:
which can be rewritten as
which is equivalent to
The problem says that the pressure of the gas is tripled, therefore the ratio between final and initial volume is:
Now we can use eq.(1) to calculate the work done by the gas. The absolute temperature is
The number of moles is n=2, therefore the work done is
And the work is negative, because it is done by the environment on the gas (the gas is compressed)