A 28.0 kg block is connected to an empty 2.00 kg bucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.45 and the coefficient of kinetic friction between the table and the block is 0.34 . Sand is gradually added to the bucket until the system just begins to move (Figure 1). Figure 1 of 1 Part A Calculate the mass of sand added to the bucket. Express your answer using two significant figures. msand = kg Submit Request Answer Part B Calculate the acceleration of the system. Express your answer using two significant figures. a = m/s2 Submit Request Answer