12.4. Model:Assume constant angular acceleration. Visualize:Solve:The initial angular velocity is ()i2 rad min60 rpm2 rad/s.rev60 sπωπ⎛⎞⎛⎞==⎜⎟⎜⎟⎝⎠⎝⎠The angular acceleration is 2fi0 rad/s2 rad/s0.251 rad/s25 stωωα−−=−ΔThe angular velocity of the fan blade after 10 s is ( )202 rad/s+0.251 rad/s10 s0 s3.77 rad/sttωωα=+ −=−− =
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This note was uploaded on 12/10/2011 for the course PHYS 1211 taught by Professor Geller during the Fall '09 term at UGA.