Number of Time to travel 0.25 m washers Trial Time to travel-0.50 m h (s) $2 (5) Trial #1 2.24 Average 3.16 Average 1 washer Trial #2 2.21 2.23 3.08 3.13 mass = 4.9 g Trial #3 2.23 3.15 Trial #1 1.94 Average 2.69 Average 2 washers Trial #2 1.95 1.92 2.72 2.61 mass = 9.8 g Trial #3 1.87 2.42 Trial #1 1.33 Average 1.88 Average 3 washers Trial #2 1.35 1.93 mass g Trial #3 1.34 1.87 Trial #1 Average Average 4 washers Trial #2 mass - g Trial #3