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A spring of constant \( \mathrm{k} \) is attached to block \( \mathrm{A} \) of mass \( \mathrm{m} \) executing SHM of amplitude A. Another block of
\( \mathrm{P} \)
mass \( \mathrm{m} \) is gently placed on block \( \mathrm{A} \), when it is at
W
mean position and stick to it then.
(1) New speed at mean position is \( \frac{1}{2} \sqrt{\frac{k}{m}} \mathrm{~A} \)
(2) New amplitude of oscillation is \( \frac{A}{\sqrt{2}} \)
(3) New time period of oscillation is \( 2 \pi \sqrt{\frac{m}{2 k}} \)
(4) All of the above


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