#2) A stake is being pulled out of the ground by means of two ropes as shown. Knowing that a =30°, determine by trigonometry
(a) the magnitude of the force P so that the resultant force exerted on the
stake is vertical,
(b) the corresponding magnitude of the resultant

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)