Let's say you wanted to perform an experiment to measure how the flow of energy is related to the change in temperature in different objects. List the independent variable (what you change), the dependent variable (what you measure during the experiment) and what your control would be (what you compare your results to).

Ahuge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. the upper face carries +95.0 nc/m2 while the lower face carries -25.0 nc/ m2. what is the magnitude of the electric field at a point within the sheet 2.00 cm below the upper face? (ε0 = 8.85 × 10-12 c2/n · m2)