You are riding an elevator that is in motion. Using a spring balance calibrated in newtons, you notice that a 10. 0 kg hanging mass reads 120 n on the scale. What is the acceleration of the elevator?.

How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.

In the illustration, which two simple machines are being used to enable the student to reach the door? a. inclined plane and pulley b lever and wheel-and-axle c pulley and lever d wheel-and axle and inclined plane

Why do metals "give up" their valence electrons?