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Physics, 18.10.2019 23:10 4300404440
Select the situations from the list in which mechanical energy is conserved. (a) a ball slides down a hill with friction. (b) an ice skater glides along the ice. (c) a ball is dropped from a certain height and bounces back to a lower height.(d) a child swings on a frictionless swing, ignoring air resistance. (e) a ball slides down a frictionless hill. (f) the moon orbits the earth.
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Select the situations from the list in which mechanical energy is conserved. (a) a ball slides down...
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