(Solved): Assume that the coefficient of kinetic friction between mA and the incline in the figure is k = 0. ...

Assume that the coefficient of kinetic friction between mA and the incline in the figure is µk = 0.22, and that mA = mB = 2.5 kg. As mB moves downward, determine the magnitude of the tension in the string connecting the blocks (in N), given that ? = 25°. Give your answer to one decimal place.