Engineering Board Exam Reviewer · Physics · medium
A 0.5 kg mass on a spring of stiffness 800 N/m oscillates freely. What is the natural frequency in hertz?
- 40.000 Hz
- 251.327 Hz
- 6.366 Hz
- 0.00398 Hz
Answer
C. 6.366 Hz
Solution
f = (1/2π )sqrt(k/m) = (1/2π )sqrt(1600) = 40/2π = 6.366 Hz.
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