The world's highest ski flying hill is Tauplitz/Bad Mitterndorf in Austria. The hill is 197 m high with an incline of 35° to the horizontal. The coefficient of kinetic friction, , for waxed skis on dry snow is 0.04. Assume a ski-jumper with a mass of 70 kg makes a run from the top of the hill. Use the work-energy theorem to calculate the speed of the skier at the bottom of the hill.
The world's highest ski flying hill is Tauplitz/Bad Mitterndorf in Austria. The hill is 197 m high with an incline of 35° to the horizontal. The coefficient of kinetic friction, , for waxed skis on dry snow is 0.04. Assume a ski-jumper with a mass of 70 kg makes a run from the top of the hill. Use the work-energy theorem to calculate the speed of the skier at the bottom of the hill.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:197m
The world's highest ski flying hill is Tauplitz/Bad Mitterndorf in Austria. The hill is 197 m
high with an incline of 35° to the horizontal. The coefficient of kinetic friction, , for waxed
skis on dry snow is 0.04. Assume a ski-jumper with a mass of 70 kg makes a run from the top
of the hill. Use the work-energy theorem to calculate the speed of the skier at the bottom of
the hill.
) I use a pneumatic gun to launch a ball into the air from the roof of a building 30 m high at a
velocity of 15 m/s. The ball just misses the edge of the building on its downward path.
Calculate the terminal velocity of the ball using the work-energy theorem.
=mg -
250g (9.8misz) (o0og)
(1.23cm)(m/100 cm)
199.2
%3D
%3D
0931
In
X=69.3 cm
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