Lab instantaneous velocity and average velocity

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)

Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion

James joule carefully measured the difference in temperature of the water at the top and bottom of a waterfall. why did he expect a difference