What is a disadvantage of using nonrenewable energy resources?

a. they cannot be replenished in human lifetime

b. they are readily available

c. they cause problems with bird populations

d. they do not produce greenhouse gases

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=

Thermal radiation gets its name because

When you notice something that is happening, what are you making? a. an observation b. a law c. a theory d. an experiment