Physics, 05.05.2020 11:21 RebeccaBloop8578
Tina knows that sonar measures distance by timing how long the echo of a sound takes to return. She says it is possible because sound has a particular frequency. Is she correct?
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Who was the first scientist to measure speed as distance over time?
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If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around
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Acorporation gives out its profits as dividends paid to whom?
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Why does a collision with an airbag cause less damage than a collision with a steering wheel
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Tina knows that sonar measures distance by timing how long the echo of a sound takes to return. She...
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