What’s the weight and how high is the clif
Answer:
distance and length are the same quantity
Answer:
Force, 
Explanation:
Distance between proton is 0.005 m
It is required to find the force between two protons. Protons have of positive charge of 
. Two protons will have a force of repulsion between them. The force is given by :
So, the force between two protons is 
.
Answer:
Copper is the logical material for solar energy systems because:
[1] It has the best thermal conductivity of all engineering metals;
[2] Highly resistant to corrosion;
[3] Easy to fabricate
[4] Has been used both for plumbing and for roofs since metals were first employed in those applications.
For water heating and low-pressure steam, use of Type M tubes is recommended.
