A mass is suspended from two light springs connected in parallel

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Oscillations · Oscillations

Problem

A 0.50 kg0.50\,\text{kg} mass is suspended from two light springs connected in parallel. Each spring has a force constant of 200 N m−1200\,\text{N}\,\text{m}^{-1}. For small vertical oscillations, the angular frequency ω\omega of the mass is closest to (a) 20 rad s−120\,\text{rad}\,\text{s}^{-1} (b) 40 rad s−140\,\text{rad}\,\text{s}^{-1} (c) 28 rad s−128\,\text{rad}\,\text{s}^{-1} (d) 14 rad s−114\,\text{rad}\,\text{s}^{-1}

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