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What temperature would the cold reservoir need to be for a Carnot engine to achieve 100 percent efficiency?
For a Carnot engine to achieve 100 percent efficiency, the temperature of the cold reservoir would need to be absolute zero (0 Kelvin). This is because the efficiency of a Carnot engine is given by 1 - (Tc/Th), where Tc is the temperature of the cold reservoir and Th is the temperature of the hot reservoir, and efficiency is maximized as Tc approaches absolute zero.
What temperature is required to transfer waste heat to the environment for a heat engine to be a 100 percent efficient?
In order for a heat engine to be 100 percent efficient, the temperature of the cold reservoir where waste heat is transferred should be absolute zero (0 Kelvin). This is not achievable in practice, as it violates the second law of thermodynamics.
How are the error and the percent error of a measurement calculated?
Take the correct value, subtract the value you got, and then divide that figure by the correct value. Then take the absolute value of that and multiply by 100. For example, say I weighed something and got that it was 2.5 grams, but it really was 2.7 grams. 2.7-2.5=.2. .2/2.7=.074. .074*100=7.4. Thus, I had 7.4% error. Another example: 16-15=-1. -1/15=-.067. .067*100=6.7% error.
What happens to the volume of a gas if its temperature is reduced by 25 percent?
If the temperature of a gas is reduced by 25%, its volume decreases proportionally if the pressure and quantity of gas remain constant. This is known as Charles's Law, which states that the volume of a gas is directly proportional to its absolute temperature.
What is 1 percent of 28 kg?
1 percent of (28 kilograms) = 280 grams
How do you calculate percent discrepancy in physics?
Percent of discrepancy = l observed value - accepted value l / accepted value X 100% note: the two bars around the the observed value - accepted value resemble absolute value signs
The absolute value of 8 percent?
0.08
What covers 40 percent of Idaho?
absolute nothingness
What percent live in absolute poverty?
13% to 17% of all Americans live in absolute poverty in the U.S.
What is the absolute value of 25 percent?
The absolute value of a positive number is the same as the number. So, the answer is 25%.
How can two amounts of change can be the same but the percents of change can be different.?
By two amounts of change I assume mean absolute amounts. Assume the following: Quantity 1 begins at 6 and changes to 3. The absolute value of the change is 3 and the percent change is 50% Quantity 2 begins at 30 and changes to 27. The absolute value of the change is 3 and the percent change is 10%
How two amounts of change can be the same but the percents of change can be different?
By two amounts of change I assume mean absolute amounts. Assume the following: Quantity 1 begins at 6 and changes to 3. The absolute value of the change is 3 and the percent change is 50% Quantity 2 begins at 30 and changes to 27. The absolute value of the change is 3 and the percent change is 10%
What is a high percent error mean?
high percent error is the absolute value of something that is multiplied
Absolute percent error?
Absolute percent error is the Percent Difference between two values.Applying the equation for Absolute error.For example: 21.571 is the True value 20.000 is the Recorded Value.Thus: (Recorded Value) - (True value) = Absolute error (21.571) - (20.000) = 1.571We modify this to match the following:(Recorded Value ) - (True value) / True value * 100This will give us a percent error of:(20.000 - 21.571) / 21.571 *100 = -7.28%
Is 0.08 percent less than 1.0?
Yes, in absolute terms. But 0.08 percent of 1,000,000 is bigger.
What is mean absolute percentage error?
The mean absolute percent prediction error (MAPE), .The summation ignores observations where yt = 0.
Formula for percent error?
Percent Error = {Absolute value (Experimental value - Theoretical Value) / Theoretical Value }*100
