Gold has a specific heat of 129 J/kg°C. How many joules of heat energy are required
to raise the temperature of 0.015 kilograms of gold from 22°C to 85°C?
144

What is the equation for electrical work?

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?

Asmall grinding wheel has a moment of inertia of 4.0×10−5 kg⋅m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?