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Physics, 21.06.2019 20:30
When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m
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Physics, 22.06.2019 14:30
What was the first instrument to ever record an earthquake?
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The height of the upper falls at yellowstone falls is 33 m. when the water reaches the bottom of the...
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