Aparallel plate capacitor is made with a separation betweentheplates of 6.3×10−7m and the gap is filled with a dielectric with 휅=9.6. the capacitor is then connected to a battery with an emf of 400 v, andthe capacitorstores 120 j of energy in the electric field. what is the area of the capacitor plates? a.9.4×10-3m2b.9.0×10-2m2c.5.6×100m2 d.1.1×101m2e.1.1×102m2

Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.