Determine how long does it take package to reach the bottom

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Two packages at UPS start sliding down the 40 degree ramp. Package A has a mass of 4 kilogram and a coefficient of friction of 0.3. Package B has a mass of 8 kilogram and a coefficient fraction of 0.15. Determine how long does it take package A to reach the bottom? NOTE: The distance x the package slides is 3 meter.

Reference no: EM13676802

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