A 3-kg block is at rest on an adjustable ramp. When the ramp is tilted to a 20° angle, the block slides with constant velocity. What is the coefficient of kinetic friction between the ramp and the block?

μk = 0.24

μk = 0.36

μk = 0.52

Not enough information given

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Master Intro to Incline Plane with Friction with a bite sized video explanation from Patrick Ford