Been looking through my notes for a basis to start this question but can't seem to find a starting basis due to poor handouts (or more likely bad note taking by me)
Heres the question
A cocnave astronomical telescop mirror may be made by rotating a circular tank of mercury. Find an...
just a quick query, i hope you physics folk can explain
If all of the energy that enters Earth comes form EM waves from the sun and once inside the atmosphere the waves change into all different forms of energy (ie heat Ek electrical). Doesnt it make sense to prevent a build up of energy in...