Physics, 31.12.2019 05:31 Hellokittyjam35
Askier with a mass of 63 kg starts from rest and skis down an icy (frictionless) slope that has a length of 50 m at an angleof 32° with respect to the horizontal. at the bottom of the slope. the path levels out and becomes horizontal, the snowbecomes less icy, and the skier begins to slow down, coming to rest in a distance of 140 m along the horizontal path, (a)what is the speed of the skier at the bottom of the slope? (b) what is the coefficient of kinetic friction between the skierand the horizontal surface?
Answers: 3
Physics, 22.06.2019 05:30
An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?
Answers: 2
Physics, 22.06.2019 19:00
Ahorizontal force of 400.0 n is required to pull a 1760 n truck across the floor at a constant speed. find the coefficient of sliding friction.
Answers: 1
Askier with a mass of 63 kg starts from rest and skis down an icy (frictionless) slope that has a le...
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