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[" 14.A body of mass "1kg" falls freely ...

[" 14.A body of mass "1kg" falls freely from a height "],[" of "100m" on a platform of mass "3kg" which is "],[" mounted on a splatform of mass "3kg" which is "],[k=125times10^(6)N/m" .The body sticks to the "],[" platform and the spring's maximum "],[" compression is found to be "x" .Given that "],[g=10ms^(-2)" ,the value of "x" will be close to "],[[" (a) "8cm," (b) "4cm," (c) "40cm," (d) "80cm]]

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