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A massless spring with force constant k launchesa ball of mass m . In order for the ball to reach aspeed u , by what displacement s should thespring be compressed?please give process
suppose the spring is ompressed such that it reaches at height h at some intermediate level.at that point applying law of conservation of energyke + pe=initial energy stored in the spring1/2mv^2+1/2mv^2=ks^2mv^2=ks^2s=v under root m/kthanks and regardssunil kraskIItian faculty
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