AP Physics 1easymcq1 pt
A wheel's angular velocity goes from 2.0 to 8.0 rad/s in 3.0 s. Its angular acceleration is
A.2.0 rad/s²
B.6.0 rad/s²
C.3.0 rad/s²
D.0.67 rad/s²
Explanation
Core Concept
α = Δω/Δt = (8.0 − 2.0)/3.0 = 2.0 rad/s².
Correct Answer
A2.0 rad/s²
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