Two Identical Tuning Forks Vibrate at 587 Hz

question 6

Multiple Choice

Two identical tuning forks vibrate at 587 Hz. After a small piece of clay is placed on one of them, eight beats per second are heard. What is the period of the tuning fork that holds the clay?

• A)1.68 × 10^-3 s
• B)1.70 × 10^-3 s
• C)1.73 × 10^-3 s
• D)1.76 × 10^-3 s
• E)1.80 × 10^-3 s