Answer:
(a) The power input to the compressor: 
(b) The volume flow rate of the refrigerant at the compressor inlet: 
Explanation:
(a)
We need to check the values of enthalpy (as we have an open system) for both states, being the inlet, state 1 and the outlet, state 2. We will know these values by checking the vapor charts of R134a, I used the ones found in Thermodynamics of Cengel, 7th edition.
Then, our values are:
Now we proceed to know the work with the following expression:
Now we replace values and our result is:
(b)
To know the volume rate at the compressor inlet, we need to know the specific volume in that phase, as we have that is saturated and at -24°C, we can read our table:
With our specific volume and the mass rate, we can calculate the volume rate:
Answer:
i believe it is 1625 newtons
Explanation:
I could be wrong but im assuming that it is 325 newtons per meter if not then the answer could be completely different
mark brainliest if you could
Answer:
By running multiple regression with dummy variables
Explanation:
A dummy variable is a variable that takes on the value 1 or 0. Dummy variables are also called binary
variables. Multiple regression expresses a dependent, or response, variable as a linear
function of two or more independent variables. The slope is the change in the response variable. Therefore, we have to run a multiple regression analysis when the variables are measured in the same measurement.The number of dummy variables you will need to capture a categorical variable
will be one less than the number of categories. When there is no obvious order to the categories or when there are three or more categories and differences between them are not all assumed to be equal, such variables need to be coded as dummy variables for inclusion into a regression model.
Answer:
if you're talking about the car b-post, the answer is "posts"
Explanation:
looked it up
