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Physics, 28.07.2020 17:01 foriegnngal
A horizontal spring with spring constant 210 Nm is compressed by 20 cm and then used to launch a 250 g box across the floor. The coefficient of kinetic friction between the box and the floor is 0.23. What is the box's launch speed?
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A horizontal spring with spring constant 210 Nm is compressed by 20 cm and then used to launch a 250...
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