Which two, or more, of the following actions would increase the energy stored in a parallel plate capacitor when a constant potential difference is applied across the plates?
1. increase the area of the plates
2. decrease the area of the plates
3. increase the separation between the plates
4. decrease the separation between the plates
5. insert a dielectric between the plates

choices
a) 2,4
b) 1.3
c) 1,4, 5
d) 2, 3, 5

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

If the new moon happens on january 15th, what shape will it be on february 6th?

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is