The plates on a vacuum capacitor have a radius of 2.5 mm and are separated by a distance of 0.75 mm.

What is the capacitance of this capacitor?

a. 2.3 x 10^-13 F
b. 9.3 x 10^-11 F
c. 3.0 x 10^-11 F
d. 2.3 x 10^-10 F

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?