Two metal rods, one copper, the other lead, are connected inparallel with a temperature of 21 °c at one end and 110°c at the other end. both rods are 0.613 m in length, and the lead rod is 2.61 cm in diameter. if the combined rate of heat flowthrough the two rods is 32.5 j/s, what isthe diameter of the copper rod?

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Explain what happens at the saturation point when adding salt to water at room temperature.

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?