If a magnet repels a metal object what can you say about the pole of the magnet and the pole of the object?

A. The poles are opposite.

B. The poles change.

C. The poles are not charged.

D. The poles are the same.

According to Lenz's Law, the direction of the induced current in a conducting loop of wire is that which tends to oppose the change that produces it. True or False?

A measure of the quantity of matter is a. density. c. force. b. weight. d. mass.

A ball thrown horizontally with speed vi = 23.0 m/s travels a horizontal distance of d = 59.0 m before hitting the ground. from what height h was the ball thrown?

Jenny and Fred both play a long note on their trombones. A stationary observer hears the sound increasing and decreasing repeatedly in loudness. Which of these must be true? A.

Find the x-component of the electric field at the origin due to the full arc length for a charge of 4.5 µc and a radius of 0.55 m. the value of the coulomb constant is 8.98755 * 109 n · m 2 / c 2. answer in units of n/c

an object travels in circular motion with a speed of 11.40 m/s. What is the centripetal acceleration if the radius of the circle is 5.52 m?

A single force acts on an object. The components of this force act along the + x-axis and the - y-axis. The single force that will bring the object into equilibrium has components that act along the a. + x-axis and + y-axis. C. - x-axis and + y-axis.

List 5 events that could trigger a mass movement?

What are some stressors of aquatic organisms

Which law describes the magnetic field in a nonlinear wire?