Greg places a bag of groceries on a table that is sloped at an angle of 15 to the horizontal. The box has a mass of 10 kg. a. If there is no friction, what is the acceleration of the bag down the incline? (5 points) b. If the coefficient of kinetic friction between the bag and the table is 0.18, what is the acceleration of the bag down the incline? (5 points) c. What is the minimum coefficient of static friction between the bag and the table that will prevent the bag from slipping? (5 points)