Question Detail

PHY 101 PHY 101 Past Questions Objective Question

Question

Find the angular acceleration (in rad/s²) of a flywheel originally at rest to attain an angular velocity of 36 rad/s in 6 s.
Options
A 0
B 6.0
Correct Answer
C 36
D 72
Correct Answer

Option B is the correct answer.

Detailed Explanation

α = (ω - ω₀)/t = (36 - 0)/6 = 6 rad/s².

Hint

α = Δω/Δt.

Question Info