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Sati [7]
2 years ago
15

A sound wave is emitted into the water from the bottom of a boat. What will happen to the sound wave as it travels through the w

ater?
A. It will slowly lose energy to the water around and become weaker the farther it goes

B. It will absorb thermal energy from the water and speed up until it reaches a maximum speed

C. It will continue along its original path at the same speed idefinitly.

D. It will not travel more than 10 m due to the density of water
Biology
2 answers:
viva [34]2 years ago
4 0
It is is A but i could be wrong
scoray [572]2 years ago
3 0

Answer:

A. It will slowly lose energy to the water around and become weaker the farther it goes

Explanation:

Speed of sound in a medium

c = √(K/ρ)

K is the elastic bulk modulus and ρ is the density

For water

K = 2.2 GPa

ρ = 997 kg/m³

c = √(2.2×10⁹/997)

c = 1485.46 m/s

For material of boat (say steel)

K = 167 GPa

ρ = 8050 kg/m³

c = √(167×10⁹/8050)

c = 4554.71 m/s

Here it can be seen the speed in solid is faster than in water so sound will lose energy when it passes through water.

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