Olphins communicate using compression waves (longitudinal waves). Some of the sounds dolphins make are outside the range of human hearing.

Upon spotting a hungry shark, dolphin A sends a message to dolphin B. To send this message as effectively as possible, dolphin A would

Question 1 options:

make a higher pitched signal because a higher pitch is a louder sound.

send the message above the water when it jumps because air is more dense than water, and the sound would be louder above the water.

send the message underwater because a more dense medium produces a louder and faster sound.

make a softer sound because the shark will not hear the softer signal.

Question

Howie

Physics

27 August, 07:11

Olphins communicate using compression waves (longitudinal waves). Some of the sounds dolphins make are outside the range of human hearing.

Upon spotting a hungry shark, dolphin A sends a message to dolphin B. To send this message as effectively as possible, dolphin A would

Question 1 options:

make a higher pitched signal because a higher pitch is a louder sound.

send the message above the water when it jumps because air is more dense than water, and the sound would be louder above the water.

send the message underwater because a more dense medium produces a louder and faster sound.

make a softer sound because the shark will not hear the softer signal.

+2

Answers (1)

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Fuzzy · Answer 1

Hey☺. Here is your answer u r looking for ...

I think the answer will "dolphin a should make a softer sound because the shark will not hear the softer signal and the speed of sound is more in water than air ...