Express 9.39 x 109 seconds in terms of days.

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

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Energy flows from the producer level to the level. is called