what is the force of tension in a rope that spins a 250 g object in a vertical circle with a radius of .50 m if the mass at the top of the loop is traveling at 3 m/s?

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9

Ais a multilevel way of grouping items based on common properties among them. a. memory b. conceptual hierarchy c. schema d. semantic network