Find the direction of the force on a proton moving through each magnetic field in the four figures below.

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.