A 2.30 kg acrylic disk with 30.0 cm radius is suspended by a metal hook through a hole 5.00 cm from its edge, allowing it to swing as a pendulum. What is the period of its small oscillations?

• A. 1.32 s
• B. 2.41 s
• C. 5.63 s
• D. 7.81 s

Answer: (A)