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themanwithvan themanwithvan
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12 years ago
You want to test how the mass of a ball affects its rate of fall. Which of the following ball drop trials (matched mass and drop heights) would best test this question?

    Mass of 0.5 kg, height 20 m/mass of 0.5 kg, height 10 m
    Mass of 0.5 kg, height 20 m/mass of 5.0 kg, height 10 m
    Mass of 0.5 kg, height 20 m/mass of 0.5 kg, height 20 m
    Mass of 0.5 kg, height 20 m/mass of 5.0 kg, height 20 m

Please explain how you know the answer too!!
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