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Chemistry, 13.07.2019 19:50 roberth0518
When a 61 kg cheerleader stands on a vertical spring, the spring compresses by 5.8 cm. when a second cheerleader stands on the shoulders of the first, the spring compresses an additional 4.2 cm?
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When a 61 kg cheerleader stands on a vertical spring, the spring compresses by 5.8 cm. when a second...
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