Find the magnitude and direction of electric field in room

Assignment Help Physics

Reference no: EM13235986

A small 12.3 g plastic ball is tied to a very light 28.6 cm string that is attached to the vertical wall of a room (see Figure). The wall is charged, creating a horizontal electric field. When the ball has been given an excess charge of -1.11 mC, you observed that it remains suspended, with the string making an angle of 17.4° with the wall.

(a) Identify the sign of the charge on the wall.

(b) Find the magnitude and direction of the electric field in the room.

Reference no: EM13235986

Questions Cloud

What is the expected number of lashes : He continues this until he draws a number that is less than the comparison value, at which point he continues his interrogation. If he draws a 3 as the comparison value, what is the expected number of lashes you will receive for that question?

Why do economists prefer real gdp as a measure of economic : If prices rise, people's income from selling goods increases. However, the growth of real GDP ignores this gain. Given this information, why do economists prefer real GDP as a measure of economic well-being

How is writing a key part of early civilizations : How is writing a key part of early civilizations? What does it say about a civilization's development? What if an early civilization lacks writing?

Supreme court’s decisions on federalism in past decade : After the colonists formally declared independence from Britain, the fight to gain actual independence continued for. The Supreme Court’s decisions on federalism in the past decade could be described as

Find the magnitude and direction of electric field in room : A small 12.3 g plastic ball is tied to a very light 28.6 cm string that is attached to the vertical wall of a room, Find the magnitude and direction of the electric field in the room

What benefit would be gained by utilizing linear programming : What benefit would be gained by utilizing linear programming (LP) for marketing research?

What five separate projects have calculated rates of return : Five separate projects have calculated rates of return of 7, 11, 15, 18, and 20 percent per year. An engineer wants to know which projects to accept on the basis of the rate of return. She learns from the finance department

Diffusion is the movement of molecules : Diffusion is the movement of molecules (gas, minerals and particles) from an area of higher concentration to an area of lower concentration. Diffusion is an important process that occurs within the cells of plants and animals. One example of diffusio..

Medieval civilization in europe : what were four or five major characteristics of the Medieval Civilization in Europe. Discuss two of them in length. Did any of those characteristics persist and survive after 1500? Explain?

User Account

All Pages