Which statement best describes the motion of electrons in a 1-amp current?

A. They travel at about the swimming speed of bacteria (1 mm/min)
B. They travel at a few percent the speed of light (~106 m/s)
C. They travel at about the speed of air molecules (~500 m/s)
D. They travel at nearly the speed of light (3*108 m/s)

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.

Drag each tile to the correct box. tiles bra i sequence

Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud