When light waves pass through the lenses of a pair of glasses, the light waves . a) conduct b) diffract c) reflect eliminate d) refract

Phase changes are chemical changes. true or false

Which is not true about oxygen-17 and oxygen-18?

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