As a sample's temperature increases, which two factors also increase? A. Particle size
B. Particle boiling point
DC. Particle kinetic energy
D. Particle speed​

The four giant gas points that are made primarily of lightweight elements are

Can anybody me with this? ? (picture included.)

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n