Suppose that a 200-g mass (0.20 kg) is oscillating at the end of a spring upon a horizontal surface that is essentially friction-free. the spring can be both stretched and compressed slingshot consists of a rubber strap attached to a y-shaped and has a spring constant of 240 n/m. it was originally stretched a distance of 12 cm (0.12 m) from its equilibrium (unstretched) position prior to release. a. what is its initial potential energy?
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Suppose that a 200-g mass (0.20 kg) is oscillating at the end of a spring upon a horizontal surface...
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