A high-speed drill rotating counterclockwise at \(2400\,\text{rpm}\) comes to a halt in \(2.5\,\text{s}\).(a) What is the magnitude of the drill’s angular acceleration? , (b) How many revolutions does it make in those \(2.5\,\text{s}\)? :

\(32\pi\,\text{rad/s}^2\) \(50\,\text{revolutions}\)

A high-speed drill rotating counterclockwise at \(2400\,\text{rpm}\) comes to a halt in \(2.5\,\text{s}\). • Nerd Notes

AP Physics 1

5.2 Connecting Linear and Rotational Motion

5.1 Rotational Kinematics

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A high-speed drill rotating counterclockwise at \(2400\,\text{rpm}\) comes to a halt in \(2.5\,\text{s}\).

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