What voltage is required to move 6A through 5Ω?

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 type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical

Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?