Sunday, July 17, 2011
A mass of 30 kg is thrown vertically from 5 m height on a vertical spring of 5 m long.If the spring is contrac?
A mass of 30 kg is thrown vertically from 5 m height on a vertical spring of 5 m long.If the spring is contracted by 4 m as a result and the energy,at which the mass is thrown,is 500 j,find the spring constant k.
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