Author Question: The potential difference between the plates of a parallel plate capacitor is 35 V and the electric ... (Read 49 times)

Starlight · **on:** Jul 29, 2018

The potential difference between the plates of a parallel plate capacitor is 35 V and the electric field between the plates has a strength of 750 V/m. If the plate area is 4.0 10-2 m2, what is the capacitance of this capacitor?

A) 7.6 10-14 F
B) 7.6 10-12 F
C) 7.6 10-11 F
D) 7.6 10-10 F
E) None of the other choices is correct.

Question 2

A projectile is shot from the edge of a vertical cliff 60.0 m above the ocean. It has a speed of 100 m/s and is fired at an angle of 35.0 above the horizontal. How far from the foot of the vertical cliff does the projectile hit the water?

A) 126 m
B) 312 m
C) 684 m
D) 1080 m
E) 540 m