ksaimouli
  • ksaimouli
http://www.chegg.com/homework-help/questions-and-answers/particle-p-mass-2kg-position-vector-r-r-3m-velocity-v-v-4m-s-shown-force-f-f-2n-acting-par-q2803206
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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ksaimouli
  • ksaimouli
@Outkast3r09 @Edutopia
anonymous
  • anonymous
well torque is easy
anonymous
  • anonymous
\[it's the|dw:1359765105446:dw| we know the lever arm however we need to make the force perpendicular to the arm i think if i remember right

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anonymous
  • anonymous
we need to find the perp force of that force on it which is a component of that force
anonymous
  • anonymous
so if you look t's the sin of that angle
anonymous
  • anonymous
so now you have \[\tau=fRsin(\theta)=2*3*sin(30)\]
anonymous
  • anonymous
you're given velocity so you can find angular velocity
anonymous
  • anonymous
now you need to find the moment of inertia for hte object... you can perhaps find this using torque equation
anonymous
  • anonymous
\[\tau=fR=I\alpha\]
ksaimouli
  • ksaimouli
@Outkast3r09 i go the torque i need the (a) part
ksaimouli
  • ksaimouli
angular momentum
anonymous
  • anonymous
you need to find hte moment of inertia of this object somehow
ksaimouli
  • ksaimouli
I can also use r x mv right

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