Physics

Three pith balls supported by insulating threads hang from a support. We know that ball X is ...

Started by bucstennis@aim.com

Three identical point charges Q are placed at the vertices of an equilateral triangle (length of ...

Started by Sportsfan2111

The velocity of a particle (m = 10 mg, q = 4.0 C) at t = 0 is 20 m/s in the positive x direction. If ...

Started by casperchen82

Suppose a uniform electric field of 4 N/C is in the positive x direction. When a charge is placed at ...

Started by DelorasTo

Rubber rods charged by rubbing with cat fur repel each other. Glass rods charged by rubbing with ...

Started by nummyann

In a diagram of charges and electric field lines charge has twelve field lines going outward from it ...

Started by washai

If Q = 25 C, q = 10 C, and L = 40 cm in the figure, what is the magnitude of the electrostatic force on q?

Started by darbym82

If Q = 16 nC, a = 3.0 m, and b = 4.0 m, what is the magnitude of the electric field at point P?

Started by DelorasTo

If a = 60 cm, b = 80 cm, Q = 4.0 nC, and q = 1.5 nC, what is the magnitude of the electric field at point P?

Started by justinmsk

If a = 3.0 mm, b = 4.0 mm, Q1 = 60 nC, Q2 = 80 nC, and q = 30 nC in the figure, what is the ...

Started by lb_gilbert

Enrico says that positive charge is created when you rub a glass rod with silk, and that negative ...

Started by sdfghj

Each of two small non-conducting spheres is charged positively, the combined charge being 40 C. When ...

Started by acc299

Charge Q is distributed uniformly along a semicircle of radius a. Which formula below gives the ...

Started by melina_rosy

Charge of uniform density 4.0 nC/m is distributed along the x axis from x = 2.0 m to x = +3.0 m. ...

Started by Hungry!

A uniformly charged rod (length = 2.0 m, charge per unit length = 5.0 nC/m) is bent to form one ...

Started by savannahhooper

A uniform linear charge of 3.0 nC/m is distributed along the y axis from y = 3 m to y = 2m. Which of ...

Started by imowrer

A uniform linear charge of 2.0 nC/m is distributed along the x axis from x = 0 to x = 3 m. Which of ...

Started by anshika

A positively charged particle is moving in the +y-direction when it enters a region with a uniform ...

Started by imanialler

A point charge Q is placed on the x axis at x = 2.0 m. A second point charge, Q, is placed at x = ...

Started by gbarreiro

A point charge Q is placed on the x axis at x = 2.0 m. A second point charge, Q, is placed at x = ...

Started by crazycityslicker

A point charge Q is placed on the x axis at the origin. An identical point charge is placed on the x ...

Started by shofmannx20

A point charge Q is placed at the origin. A second charge, 2Q, is placed on the x axis at x = 3.0 m. ...

Started by berenicecastro

A point charge (5.0 C) is placed on the x axis at x = 4.0 cm, and a second charge (+5.0 C) is placed ...

Started by TVarnum

A particle (q = 4.0 mC, m = 50 g) has a velocity of 25 m/s in the positive x direction when it first ...

Started by sjones

A particle (q = 3.0 mC, m = 20 g) has a speed of 20 m/s when it enters a region where the electric ...

Started by awywial