A brass rod is .500 m long at 20.0 degree C. What is the length of the rod if it is heated to 50.0 degree C?

A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m

Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes