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Question Answered step-by-step Please answer all. Thanks! Please answer all. Thanks! Image transcription text3) [13] Below is a mechanical and potential energy versus time graph for a 250 kg car of a new roller coasterride. The ride relies on gravity only for its motion. The ride lasts 30.0 seconds. Gravitational potential energy Egfor a rollercoaster ride as a function of time 50000 45000 Mechanical energy Em 40000 35000 … Show more… Show more Science Physics PHYS SPH3U Share QuestionEmailCopy link Comments (0)