The damping force on an oscillator is directly proportional to the velocity. The unit of the con...

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The damping force on an oscillator is directly proportional to the velocity. The unit of the constant of proportionality is
(a) \( \mathrm{kg}-\mathrm{ms}^{-1} \)
(b) \( \mathrm{kg}-\mathrm{ms}^{-2} \)
(c) \( \mathrm{kgs}^{-1} \)
(d) \( \mathrm{kg}-\mathrm{s} \)
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