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$\cdot$ A turntable that spins at a constant 78.0 rpm takes 3.50 s to reach this angular speed after it is turned on. Find (a) its angular acceleration (in $\mathrm{rad} / \mathrm{s}^{2} ),$ assuming it to be constant, and (b) the number of degrees it turns through while speeding up.

a) 2.33 $\mathrm{rad} / \mathrm{s}^{2}$b) $818^{\circ}$

Physics 101 Mechanics

Chapter 9

Rotational Motion

Physics Basics

Rotation of Rigid Bodies

Dynamics of Rotational Motion

Equilibrium and Elasticity

Rutgers, The State University of New Jersey

University of Michigan - Ann Arbor

University of Washington

Simon Fraser University

Lectures

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In mathematics, a proof is…

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In physics, rotational dyn…

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A turntable reaches an ang…

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A turntable rotates with a…

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$\cdot$ When the power is …

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An electric turntable $0.7…

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