Horizontal frictionless tabletop is pushed against a spring

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Reference no: EM13649184

A block of mass m on a horizontal frictionless tabletop is pushed against a horizontal spring, compressing it a distance x,and the block is then released. The spring propels the block alongthe tabletop, giving a speed v. The same spring is then used to propel a second block of mass4m, giving it a speed 3v. What distance was the spring compressed in the second case?Express your answer in terms of x.

Reference no: EM13649184

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