A box of mass m = 16.0 kg is pulled up a ramp that is inclined at an angle 0 = 21.0° angle with respect to the horizontal. The coefficient of kinetic friction between the box and the ramp is µ = 0.295, and the rope pulling the box is parallel to the ramp. If the box accelerates up the ramp at a rate of a = 2.29 m/s, calculate the tension Fr in the rope. Use g = 9.81 m/s for the acceleration due to gravity. He 198.36 Fr = Two blocks with masses M1 and M2 are connected by a massless string that passes over a massless pulley as shown. Mị has a mass of 2.25 kg and is on an incline of 0, = 42.5° with coefficient of kinetic friction 4, = 0.205. M2 has a mass of 8.25 kg and is on an incline of 62 = 34.5° with M2 м, coefficient of kinetic friction µ, = 0.105. The two-block system is in motion with the block of mass M2 sliding down the ramp. в, Find the magnitude az of the acceleration of M2 down Figure is not to scale. the incline. m/s? 0.91

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