Problem 70. A group of three skiers stand atop a hill inclined at a steady angle of 8°. One skier uses well waxed skis that have a coefficient of kinetic friction (with the snow) of nearly zero HK10. A second skier uses skis with a (typical) coefficient of kinetic friction of PK2 = 0.04. A third skier has poorly cared for skis with a coefficient of kinetic friction of HK3=0.1. The hill is at an elevation of 200 m above ground level. Find the speeds of each of the skiers at the bottom of the hill.
Problem 70. A group of three skiers stand atop a hill inclined at a steady angle of 8°. One skier uses well waxed skis that have a coefficient of kinetic friction (with the snow) of nearly zero HK10. A second skier uses skis with a (typical) coefficient of kinetic friction of PK2 = 0.04. A third skier has poorly cared for skis with a coefficient of kinetic friction of HK3=0.1. The hill is at an elevation of 200 m above ground level. Find the speeds of each of the skiers at the bottom of the hill.
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Transcribed Image Text:Problem 70. A group of three skiers stand atop a hill inclined at a steady angle of 8°. One skier uses well waxed skis
that have a coefficient of kinetic friction (with the snow) of nearly zero µK10. A second skier uses skis with a (typical)
coefficient of kinetic friction of µK2=0.04. A third skier has poorly cared for skis with a coefficient of kinetic friction of
PK3=0.1. The hill is at an elevation of 200 m above ground level. Find the speeds of each of the skiers at the bottom of
the hill.
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