Questions from College Physics

Q: Three point charges are located at the corners of an equilateral triangle

Three point charges are located at the corners of an equilateral triangle as in Figure P15.13. Find the magnitude and direction of the net electric force on the 2.00 μC charge. Figure P...

Q: Two identical metal blocks resting on a frictionless horizontal surface are connected

Two identical metal blocks resting on a frictionless horizontal surface are connected by a light metal spring having constant k = 100 N/m and un-stretched length Li = 0.400 m as in Figure P15.14a. A c...

Q: Two small metallic spheres, each of mass m = 0.

Two small metallic spheres, each of mass m = 0.20 g, are suspended as pendulums by light strings from a common point as shown in Figure P15.15. The spheres are given the same electric charge, and it i...

Q: Particle A of charge 3.00 x 10-4 C

Particle A of charge 3.00 x 10-4 C is at the origin, particle B of charge -6.00 x 10-4 C is at (4.00 m, 0), and particle C of charge 1.00 x 10-4 C is at (0, 3.00 m). (a) What is the x - component of t...

Q: A small object of mass 3.80 g and charge -

A small object of mass 3.80 g and charge -18.0 μC is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. What is the magnitude and direction of...

Q: (a) Determine the electric field strength at a point 1

(a) Determine the electric field strength at a point 1.00 cm to the left of the middle charge shown in Figure P15.10. (b) If a charge of -2.00 μC is placed at this point, what are the ma...

Q: An electric field of magnitude 5.25 x 105 N/

An electric field of magnitude 5.25 x 105 N/C points due south at a certain location. Find the magnitude and direction of the force on a -6.00 μC charge at this location.

Q: A charged particle A exerts a force of 2.62 N

A charged particle A exerts a force of 2.62 N to the right on charged particle B when the particles are 13.7 mm apart. Particle B moves straight away from A to make the distance between them 17.7 mm....

Q: An ice - cube tray is filled with 75.0 g

An ice - cube tray is filled with 75.0 g of water. After the filled tray reaches an equilibrium temperature 20.0°C, it is placed in a freezer set at -8.00°C to make ice cubes. (a) Describe the process...

Q: An electron is accelerated by a constant electric field of magnitude 300

An electron is accelerated by a constant electric field of magnitude 300 N/C. (a) Find the acceleration of the electron. (b) Use the equations of motion with constant acceleration to find the electron...