Physics, 08.10.2021 07:30, jeanbeansmith2p2ofty

A student claps once when standing 100 m away from a large wall. The speed of sound in air is 330 m/s. How long after clapping does the student hear an echo?

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A student claps once when standing 100 m away from a large wall. The speed of sound in air is 330 m/...