Step 7: Explore the Effect of Adding More Mass to the String.

Calculate the average time it took the car to travel 0.25 and 0.50 meters with the three washers attached to the pulley. Record the averages, rounded to two decimal places, in Table C of your Student Guide.

What is the average time it took the car to travel 0.25 meters? _____ seconds.

What is the average time it took the car to travel 0.50 meters? _____ seconds.