Asked by Anonymous

A 55 kg ice skater, initially at rest on a flat skating rink, requires a 198 N horizontal force to be set in motion. However, after the skater is in motion, a horizontal force of 175 N keeps her moving at a constant velocity. Find the coefficients of static and kinetic friction between the skates and the ice.

When motion is started, the applied force = (static friction coeff.) x (weight)
Use that relationship to get the static friction coefficient, and remember then weight = m g

When the skater is moving at constant speed, a similar relation applies
force = (kinetic friction coeff.) x (weight)
Answered by idontknow
the skaters crash into each other and blow up and die
Answered by urmama
boy dinner is ready stop skating and come home!!!
Answered by urmama, idontknow
sorry i really hate physics now since i cant solve this question


Sincerely,
urmama, idontknow
Answered by Anonymous
Loser
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