Physics, 12.02.2021 01:20 jawontestephens

Franc rolled a toy car down a ramp and timed how long it took for the car to reach the bottom of the ramp. After one trial, the student doubled the height of the ramp and added sandpaper to surface of the ramp. He conducted three more trials. After reviewing the data, the student concluded the height of the ramp had no effect on the speed that the car traveled. Which is the most likely reason his conclusion is flawed?

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Franc rolled a toy car down a ramp and timed how long it took for the car to reach the bottom of the...