Help with this physics question please :)

Abird sitting high in a tree is an example of what type of wnergy

In science and physics what is the standard unit of measure for speed?

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)