The position of a particle is given by the function x=(2t3−9t2+12)mx=(2t3−9t2+12)m, where tt is in ss. What is the particle's acceleration at this times? Express your answer using two significant figures. Enter your answers separated by commas.

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)