Answer:

Explanation:
The interaction of the piece of copper and water means that the first one need to transfer heat in order to reach a thermal equilibrium with water. Then:

After a quick substitution, the expanded expression is:



The final temperature of the system is:

<span>Macronutrients include carbohydrates, proteins, lipids, and fats.</span>
Answer:
Free body diagrams are used to describe situations where several forces act on an object. On the other hand Vector diagrams are used to resolve (break down) a single force into two forces acting as right angles to eachother
Explanation:
Hope this helps !
The steel traps the heat more making it hotter,you put this twice by the way.
I don't know fully, but I know S waves can't travel through liquids. Hope that helps a little!