Need to know how to solve 3 4 5 with the data displayed

max mean Trial Ax (m) Uf (m/s) Average Force (N) Mass (kg) 1 0. 69 0 . 52 2 1.62 D. 5S 3 0.68 1.61 Table: (18 points) 3. Use your equation from Prelab Question 3 to solve for the mass in each trial. Fill it into the table. (15 points) 4. Average the three masses. Record it here. This is your final answer. (2 points) 5. The mass of the Smart Cart is actually 320 g. Calculate your percent error. Using the formula: (5 points) |actual - experimentall percent error = * 100% actual