A point charge of +2.5 ?C is located at the origin of a coordinate system and a second point charge of ?5.6 ?C is at x = 1.9 m. At what point on the x axis is the electrical potential zero?
a. +4.3 m
b. +5.3 m
c. +0.59 m
d. +11 m
e. +1.3 m
c
You might also like to view...
A river flows toward the East at 2.2 m/s. Steve can swim 2.5 m/s in still water. If he wishes to cross the river so that his direction is northward, how long will it take him to cross the 75 m wide river?
A. 34 s B. 39 s C. 30 s D. 63 s
A 1500-kg car traveling at 90 km/h toward the east suddenly collides with a 3000-kg car traveling at 60 km/h toward the south
The two cars stick together after the collision. What is the speed of the cars after collision? A) 8.3 m/s B) 14 m/s C) 17 m/s D) 22 m/s
A plane convex lens is made of glass (n = 1.5) with one flat surface and the other having a radius of 20 cm. What is the focal length (in cm) of the lens?
a. 20 b. 30 c. 40 d. 10 e. 50
Jane drove her car from Columbus, Ohio to
Cleveland, Ohio. She traveled a total distance of 140 mi in 2.8 hours. Her average speed was a) 50 mi/h b) 0.02 mi/h c) 56 mi/h d) 350 mi/h