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QUESTION
Sonic the Hedgehog weighs 5kg and is falling from a height of 50 m onto a spring which will be compressed 1m before launching him back to his...
Sonic the Hedgehog weighs 5kg and is falling from a height of 50 m onto a spring which will be compressed 1m before launching him back to his original height. What is Sonic's kinetic energy at 25 m while ascending?
