Physics, 12.08.2020 23:01, thebrain1345
Lenny wrote the steps he used to find the mass of an object with 400 J of energy moving at a velocity of 8 m/s. 1. Find the square of 8 m/s, which is 64 m2/s2. 2. Divide kinetic energy, 400 J, by 64 m2/s2, which is 6.25 J per m2/s2. 3. Divide 6.25 J per m2/s2 by 2 to get a mass of 3.125 kg. Which best describes Lenny’s error? In Step 1, he should have found the square root of 400 J instead of squaring 8 m/s. In Step 1, he should have multiplied 8 m/s by 2 instead of squaring it. In Step 2, he should have divided 64 m2/s2 by 400 J instead of dividing 400 J by 64 m2/s2. In Step 3, he should have multiplied 6.25 J per m2/s2 by 2 instead of dividing it by 2.
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Lenny wrote the steps he used to find the mass of an object with 400 J of energy moving at a velocit...
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