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Physics, 04.04.2020 04:00 Ariellelyn176
A see-saw is 4 meters long and is balanced in the middle. An 80 kg person is at the far left end and his 50 kg wife is on the far right end. Where could his 20 kg child be placed to put the see saw in equilibrium?
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A see-saw is 4 meters long and is balanced in the middle. An 80 kg person is at the far left end and...
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