Physics, 18.10.2020 15:01 amandajbrewerdavis
A dog barks in a park and hears its echo after 0.5 seconds. The sound of its bark got reflected by a nearby building. The sound of speed in air is 346 m/s. The distance between the dog and the building is
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A dog barks in a park and hears its echo after 0.5 seconds. The sound of its bark got reflected by a...
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