A wheel rotates without friction about a stationary horizontal axis at the center of the wheel. A constant tangential force equal to 70.0 N is applied to the rim of the wheel. The wheel has radius 0.110 m. Starting from rest, the wheel has an angular speed of 12.2 rev/s after 2.36 s.

What is the moment of inertia of the wheel?
Express your answer with the appropriate units.

The amount of heat required to change liquid water to vapor at its boiling temperature is 2256 kj/kg. the amount of heat required to change liquid mercury to its vapor state at its boiling temperature is 295 kj/kg. one kg of each substance is currently at its boiling point. how will the amount of thermal energy required to change each substance from a liquid to a gas differ?