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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Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.
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Current from a charged capacitor lights a bulb. as time goes on the brightness of the
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Astronomers studying the planet of rhombus have detected sedimentary rock on its surface. one astronomer wonders if material in this sedimentary rock used to be in igneous rock deep in rhombus’s interior. can igneous rock become sedimentary rock? explain your answer.
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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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