Is the melting of an ice cube considered a physical change or a chemical change? explain your reasoning.

Alarge box of mass m is pulled across a horizontal frictionless surface by a horizontal rope with tension t. a small box of mass m sits on top of the large box. the coefficients of static and

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?