Answer:
A.
The power generated by a wind farm is not constant because of irregular wind patterns.
Answer:
Explanation:
The step by step analysis is as shown in the attached files.
Answer:
The heat input from the combustion phase is 2000 watts.
Explanation:
The energy efficiency of the heat engine (
), no unit, is defined by this formula:
(1)
Where:
- Heat input, in watts.
- Power output, in watts.
If we know that
and
, then the heat input from the combustion phase is:




The heat input from the combustion phase is 2000 watts.