What does the speed of sound depend on? a) medium that the sound travels through b) frequency of the sound c) acoustics d) loudness of the sound

Which instrument is used to measure air temperature

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

What should the power status of a circuit be when measuring resistance with an ohmmeter?