The figure below shows an object with mass m = 5.9 kg pulled up a ramp inclined at an angle of 0 = 280 with a force of magnitude F = 38 N parallel to the ramp. F (a) If there is no friction between the object and the ramp, what is the magnitude of the object's acceleration (in m/s2)? m / s 2 (b) If instead the coefficient of kinetic friction between the object and the ramp is 0.12, what is the magnitude of the object's acceleration (in m/s2)? m/s2