Adevelopmental psychologist would be interested in studying a. different philosophies about life after death b. psychological changes that occur during adolescence c. different countries that fought during world war ii d. how literature patterns change over centuries

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Matter that emits no light at any wavelength is called

Along wire of diameter 1 mm is submerged in an oil bath of temperature ∞ 31°c. the wire has an electrical resistance per unit length of 0.01 ω/m. if a current of 103 a flows through the wire and the convection coefficient is 500 w/m2·k, what is the steady-state temperature of the wire? from the time the current is applied, how long does it take for the wire to reach a temperature that is within 1°c of the steady-state value? the properties of the wire are 8000 kg/m3, 500 j/kg·k, and 20 w/m·k.