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scurry18
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Homework Statement
A skier of mass 70.0 kg is pulled up a slope by a motor-driven cable.
How much work is required to pull the skiera distance of 60.0m up a 30 degree slope (assumed frictionless) at a constant speed of 2.00 m/s?
Homework Equations
W=F (delta)r cos(theta)
The Attempt at a Solution
(delta)r= 60.0m
(theta)=30.0 degrees
Force=60sin30=30 J
Is this the correct start?