Physics, 20.02.2020 21:02, brookeleneewick

A force of 30.0 N accelerates a 2.0 kg object from rest for a distance of 3.0 m along a level, frictionless surface; the force then changes to 15 N and acts for an additional 2.0 m. a) What is the final kinetic energy of the object? b) How fast is it moving?

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A force of 30.0 N accelerates a 2.0 kg object from rest for a distance of 3.0 m along a level, frict...