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gifty91
Group Title
A wheel 90.0 cm in diameter accelerates uniformly from 205 rpm to 390 rpm. If in this process a point on the edge of this wheel have traveled 106 m, how long does this process take? (seconds)
 2 years ago
 2 years ago
gifty91 Group Title
A wheel 90.0 cm in diameter accelerates uniformly from 205 rpm to 390 rpm. If in this process a point on the edge of this wheel have traveled 106 m, how long does this process take? (seconds)
 2 years ago
 2 years ago

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Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
\[d= r \theta \]
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{ 106 }{ .9} = \theta \]
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
convert theta to rev.s and use: \[\omega _{f}^{2} =\omega _{i}^{2} +2\alpha \theta \] to find alpha
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
then find time in minutes from: \[\omega _{f} = \omega _{i} + \alpha t\]
 2 years ago
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