A disc starts from rest and attains a constant angular speed of 180 rev min⁻¹ in 15 s…

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Torque and Rotational Dynamics · Torque and Rotational Dynamics

Problem

A disc starts from rest and attains a constant angular speed of 180 rev min⁻¹ in 15 s under uniform angular acceleration. It then continues to rotate at this speed for the next 45 s. Calculate the total angular displacement, in radians, made by the disc in the entire 60 s interval.

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