Question: A ship on the sea sends waves straight down into the seawater from the bottom of the ship. The signal reflects from the deep bottom

A ship on the sea sends waves straight down into the seawater from the bottom of the ship. The signal reflects from the deep bottom bedrock and returns to the ship after 3.5 s. After the ship moves to 100 km it sends another signal which returns after 2s. (speed of the waves is 1500 m/s)

1. Identify and describe the type of wave that is being sent out by the ship.

2. Calculate the depth of the sea in each location.

3. Determine the difference in the depth of the sea between the two locations.

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