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Mathematics, 21.08.2019 05:30 kirkhester1

Aboy of mass 40kg slides from rest down a straight slide of length 5m. the slide is inclined to the horizontal at an angle of 20°. the coefficient of friction between the boy and the slide is 0.1. by modelling the boy as a particle, find:
a) the acceleration of the boy,
b) the speed of the boy at the bottom of the slide.

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