Physics, 30.01.2021 02:10 sebasp42

One model of tennis ball launcher has advertised that it is capable of imparting 15,000 J of kinetic energy to a 0.5 kg ball initially at rest. A student carefully measures the compression of the spring to
be 0.10 m. What is the elastic energy stored in the spring?

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One model of tennis ball launcher has advertised that it is capable of imparting 15,000 J of kinetic...