Physics, 07.11.2019 03:31, uuuugggghhhh2463
Imagine a roller coaster, with an initial speed of 5m/s downhill, descends 20m in height. now suppose the roller coaster, with an initial speed of 5m/s uphill, coasts uphill, stops, and then rolls back down to a final point 20m below the starting point. would the final speed be the same in these two cases? assume friction is negligible.
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Imagine a roller coaster, with an initial speed of 5m/s downhill, descends 20m in height. now suppos...
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