Auniform steel plate has an area of 0.923 m2. when subjected to a temperature difference between its sides, a heat current* of 23100 w is found to flow through it. what is the temperature gradient? what is the temperature difference when the plate is 0.0493 m thick? the thermal conductivity of steel is 50.2 w/(m·k).

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.