Consider an equilateral triangle of side 20. cm. A charge of +2.0 ?C is placed at one vertex and charges of -4.0 ?C are placed at the other two vertices. Determine the magnitude and direction of the electric field at the center of the triangle
What will be an ideal response?
2.7 × 106 V/m
You might also like to view...
What are the primary reasons for making telescopes larger?
a. to make things look bigger b. to decrease image resolution c. to collect more light to so faint objects can be seen d. to see a larger part of the sky
An electrical motor spins at a constant 2857.0 rev/min. If the armature radius is 2.685 cm, what is the acceleration of the outer edge of the armature?
A) 2403 m/s2 B) 844.4 m/s2 C) 241,100 m/s2 D) 84.40 m/s2
What produces the 21-cm radio line that we can be used to map the Milky Way Galaxy?
A) ionized hydrogen B) atomic hydrogen C) helium D) carbon monoxide E) molecular hydrogen
In a country where the unit of currency is the Passi, kerosene costs 130 Passi per liter, and one dollar buys 227 Passi. What is the cost of kerosene in dollars per gallon? (1.00 gal = 3.79 L)
What will be an ideal response?