kaylamonique5 kaylamonique5

02-12-2018
Chemistry

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Alonzo and Meg were testing different surfaces to see which one had the least friction. They predicted that the car, seen above, would travel FASTEST down the ramp when the surface covering had the LEAST friction. Alonzo and Meg used carpet, sandpaper, and glass to cover the ramp. They let the car go, not pushing it, but letting gravity pull the car to the bottom of the ramp. What was/were the controlled variable(s) in the experiment?

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cfiffe07 cfiffe07

02-12-2018

The control variables of this experiment would be the distance from the top of the ramp to the bottom, the car, and the force of gravity on the car.

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shellypierre10 shellypierre10

18-09-2020

Answer:

B) how fast the car moved down the ramp

Explanation:

i just know

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