A 5.00-kg package slides 2.80 m down a long ramp that is
Chapter 6, Problem 6.66(choose chapter or problem)
A 5.00-kg package slides 2.80 m down a long ramp that is inclined at \(24.0^\circ\) below the horizontal. The coefficient of kinetic friction between the package and the ramp is \(\mu k = 0.310\). Calculate (a) the work done on the package by friction; (b) the work done on the package by gravity; (c) the work done on the package by the normal force; (d) the total work done on the package. (e) If the package has a speed of 2.20 m/s at the top of the ramp, what is its speed after it has slid 2.80 m down the ramp?
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