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NEET Physics QUESTION #1045
Question 1
Two identical masses P and Q on springs of constants \(k_1\) and \(k_2\). Maximum speeds equal. Ratio \(A_Q/A_P\) is:
  • \(\sqrt{\dfrac{k_2}{k_1}}\)
  • \(\sqrt{\dfrac{k_1}{k_2}}\)✔️
  • \(\dfrac{k_2}{k_1}\)
  • \(\dfrac{k_1}{k_2}\)
Correct Answer Explanation
Maximum speed \(v_{max}=A\omega=A\sqrt{k/m}\). Equal max speeds: \(A_P\sqrt{k_1/m}=A_Q\sqrt{k_2/m}\Rightarrow \frac{A_Q}{A_P}=\sqrt{\frac{k_1}{k_2}}\).