An electron is travelling above and parallel to a conducting wire when a current in the wire is turned on. The electron curves upward and away from the wire. What is the direction of the current in the wire?
(a) the same direction as the electron’s motion
(b) the opposite direction to the electron’s motion
(c) Both answers are possible.
(d) The current in the wire will have no effect on the
electron

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

As microwave light travels through a liquid, it moves at a speed of 2.2 x 108 m/s. if the frequency of this light wave is 1.1 x 108 hz, what is the wavelength of this microwave?

What is the specific heat of wood ?