2. Who would have the most kinetic energy? A. A 80 kg student sitting in the bottom row of the bleachers.
B. A 80 kg student sitting up in the top row of the bleachers.
C. A 65 kg player running down the court
D. A 65 kg player walking down the court

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)