A person with their head sideways in the water sees a beaver slap its tail on the lake surface 1.2 km away. What is the time difference between the sound heard in the ear listening in the air and the ear hearing the sound transmitted though the water? The speed of sound in water is 1480 m/s and the air temperature is 30 degrees C.

A person with their head sideways in the water sees a beaver slap its tail on the lake surface 1.2 km away. What is the time difference between the sound heard in the ear listening in the air and the ear hearing the sound transmitted though the water? The speed of sound in water is 1480 m/s and the air temperature is 30 degrees C.