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A wooden block slides down a 54 degree incline with acceleration 2.49 m/s2. Find the coefficient of kinetic friction.? If a person was late to reach the location of the work place would that be considered time dilation? Need help with this question? Its a math matrix? Why does: (-x)^2(12x^4)-(3x^3)^2 = 3x^6? How to use image?