Three pendulums all have the same arm length, and they all start their downward swings from the same height. The first pendulum has a mass of 67 g. The second pendulum has a mass of 1. 5 kg. The final pendulum has a mass of 3. 3 kg. Assuming that the effects of air drag are negligible, which pendulum attains the highest speed?.
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Three pendulums all have the same arm length, and they all start their downward swings from the same...
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