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PH101 HW Rotational Kinematics 1

# PH101 HW Rotational Kinematics 1 - This print-out should...

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006 (part 4 of 4) 10.0 points What is the value of d ? Correct answer: 1 . 81818 s. Explanation: Let : ω avg = +1 . 1 π rad / s , and Δ θ = +2 . 0 π rad . Δ t = Δ θ ω avg = +2 π rad +1 . 1 π rad / s = 1 . 81818 s . 007 (part 1 of 2) 10.0 points A dentist’s drill starts from rest. After 4 . 28 s of constant angular acceleration it turns at a rate of 36840 rev / min.
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