anonymous
  • anonymous
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?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Do the free body diagram and calculate the y component of acceleration
anonymous
  • anonymous
with why being perpendicular to the surface?
anonymous
  • anonymous
sorry Y****

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anonymous
  • anonymous
YEs
anonymous
  • anonymous
hm ok thanks
sgadi
  • sgadi
\[g\sin{32}-f_rg\cos{32}=0.3\] \[g=9.8\] By solving, we get \[f_r=0.9639\]
anonymous
  • anonymous
ah thank you

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