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anonymous
 5 years ago
This is what might be a simple physics question. but i've been sick and am so lost.
a 15.0 kg box is released on a 32 degree incline and acclerates down the incline at .30 m/s^2. find the friction force impeding its motion. what is the coefficient of kinetic friction?
how do i start this?
anonymous
 5 years ago
This is what might be a simple physics question. but i've been sick and am so lost. a 15.0 kg box is released on a 32 degree incline and acclerates down the incline at .30 m/s^2. find the friction force impeding its motion. what is the coefficient of kinetic friction? how do i start this?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Do the free body diagram and calculate the y component of acceleration

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0with why being perpendicular to the surface?

sgadi
 5 years ago
Best ResponseYou've already chosen the best response.0\[g\sin{32}f_rg\cos{32}=0.3\] \[g=9.8\] By solving, we get \[f_r=0.9639\]
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