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QUESTION 9 Calculate the temperature increase of 97.9 kg of brake material with an average specific heat of 799 J/kg-°C if the material retains 15.1% of the energy from a 54934-kg truck descending 58.3 m (in vertical displacement) at a constant speed.

QUESTION 10 10 points Save Answer v2 = vO2 + 2a(x-x0) X0 = 3.23 m v = 8.28 m/s Vo = 2.31 m/s a = 4.60 m/s2 X = ? in m Input your answer in m using 3 significant figures.