Answer:
The value is 
Explanation:
From the question we are told that
The work input is 
The heat delivered is 
The value of A is A = 14
The value of B is B = 72
Generally the efficiency of the heat engine is mathematically represented as
Here 
is the total out energy produce by the heat engine and this is mathematically represented as
=> 
=> 
So
=> 
=> 
=>
Underhand serve is a type of volleyball serve in which a player holds the ball with one hand and swings the other hand in an arc motion, striking under the ball with a fist to put it into play. An underhand serve is the most common serve for beginners.
Answer:
brighter
Explanation:
the more light bulbs you add to a series of circuits, the brighter the room will be.
