A massless platform is kept on a light e...

A massless platform is kept on a light elastic spring as shown in figure. When a small stone of mass 0.1 kg is dropped on the pan from a height of 0.24 m, the spring compresses by 0.01m. From what height should the stone be droppped to cause a compression of 0.04m in the spring ?

A. 0.96 m

B. 2.96 m

C. 3.96 m

D. 0.48 m

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