Answer:
Conduction is the transfer of heat between substances that are in direct contact with each other. The better the conductor, the more rapidly heat will be transferred. Metal is a good conduction of heat. Conduction occurs when a substance is heated, particles will gain more energy, and vibrate more.
Answer:
Explanation:
Oil cannot dissolve in water because oil molecules repel water molecules
I think it is diamagnetic don't quught me thoi
no. energy is not created or destroyed, just transformed.
a hot light source is less efficient than a cold one ... heat is not light ...
The maximum efficiency is 10%
Explanation:
The maximum efficiency of a machine is given by:

where
is the temperature of the hot reservoir
is the temperature of the cold reservoir
For the machine in this problem, we have:
is the temperature of the hot reservoir
is the temperature of the cold reservoir
substituting, we find the max efficiency:

So, the efficiency is 0.10 (10%).
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