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Obtain an expression for the power deliv...

Obtain an expression for the power delivered by torque.

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Power delivered is the work done per unit time. If we differentiate the expression for work done with respect to time, we the instantaneous power (P).
`(P) = (dw)/(dt) = tau (d theta)/(dt)" "because (dw = tau d theta)`
`P = tau omega`
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