Materials that allow the charges of an electric current to move freely through them are called

a. insulators.

b. conductors.

c. resistors.

d. magnets.

A double-slit interference experiment is performed with blue-green light from an argon-gas laser. The separation between the slits is 0.50 mm, and the first-order maximum of the interference pattern is at an angle of 0.

Which of the following are elements in both civil and criminal trials. (select all that apply) A. Jury B. Testimoney C. Dependent D. Plaintiff

True or false The Coriolis effect is caused by the jet stream.

A truck ttaveling with an initial velocity of 60.0m/s comes to a stop in 12.93 secs. What is the accelerationof the truck?

Which nuclei is NOT radioactive?

How fast would a particle be traveling relative to an experimenter in order to have a measured mass that is 20 times its rest mass?

A 4148-kg truck traveling with a velocity of 12 m/s due east collides head-on with a 898-kg car traveling with a velocity of 40 m/s due west. The two vehicles stick together after the collision.

The Coriolis effect

Consider the video demonstration that you just watched. Which of the following changes would make it more likely for the ball to hit both the white can and the green can?

A 10-newton box rests on a table. What is the net force on the box? A. 0 N B. 10 N C. more than 10 N D. between 0 N and 10 N