A mass m = 2.5 kg is sliding along a frictionless table with…
A mass m = 2.5 kg is sliding along a frictionless table with initial speed v as shown in the figure. It strikes a coiled spring that has a force constant k = 500 N/m and compresses it a distance x2 – x1 = –5.0 cm. The initial speed v of the block was
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