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Introductory Physics Homework Help
Question on Moment of Inertia/Rotational Inertia
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[QUOTE="i_hate_math, post: 5442297, member: 589115"] [h2]Homework Statement [/h2] In the figure, a wheel of radius 0.42 m is mounted on a frictionless horizontal axle. A massless cord is wrapped around the wheel and attached to a 2.7 kg box that slides on a frictionless surface inclined at angle [I]θ [/I]= 28 owith the horizontal. The box accelerates down the surface at 1.9 m/s2. What is the rotational inertia of the wheel about the axle? Diagram attached [h2]Homework Equations[/h2] Torque=Moment of Inertia*angular acceleration F=ma a=angular acceleration*radius [h2]The Attempt at a Solution[/h2] what i did was combinr the equations and yielded the following I=(F*r^2)/a=0.47628 I don't see where I did wrong but the solution does not match [/QUOTE]
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Question on Moment of Inertia/Rotational Inertia
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