True or False: Do products made from a chemical reaction behave like they did before the reaction took place?

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

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?