Answer:
0.035 (3.5 %)
Explanation:
The thermodynamic efficiency is given by:
where
is the cold temperature
is the hot temperature
In this problem we have
So the efficiency is
Write down the principal of lever
1 answer:
Answer:
See the explanation below.
Explanation:
A lever is a simple machine that changes the magnitude and direction of the force applied to move an object. Minimizes the force needed to lift the object.
By means of the following image, we can see the principle of operation of a lever.
The load can be moved thanks to the force multiplied by the distance to the fulcrum.
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