How much time passes before it hears anecho

Reference no: EM13563984

A dolphin located in sea water at a temperature of 25°C emits asound directed toward the bottom of the ocean 175 m below. How much time passes before it hears anecho?

Reference no: EM13563984

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How much time passes before it hears anecho : A dolphin located in sea water at a temperature of 25°C emits asound directed toward the bottom of the ocean 175 m below. How much time passes before it hears anecho?

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