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goblinko [34]
2 years ago
6

The image shows a ship using sonar to locate a school of fish. Which data are used to determine the distance of the ship from th

e fish?
A. The amount of time it takes the sound waves to travel to the fish and back to the boat​

B. The number of sound waves the ship emits

C. The amount of time it takes the sound waves to travel from the boat to the fish

D. The number of sound waves that bounce off the fish

Physics
2 answers:
lawyer [7]2 years ago
6 0
The answer is A. The amount of time it takes the sound waves to travel to the fish and back to the boat
Lemur [1.5K]2 years ago
4 0

Answer:

A

Explanation:

The distance of the object that reflected the sound wave can be calculated by knowing the speed of sound in water and the time interval between transmission and reception of ultrasound.20 Mar 2017

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Two charges q1 and q2, that are distance d apart , repel each other with a force of 6.40 N. what would be the force between two
slava [35]

Q: Two charges q1 and q2, that are distance d apart , repel each other with a force of 6.40 N. what would be the force between two charges q1'=2q1 and q2'=3q2 that that are distance d apart?

Answer:

The force = 38.4 N

Explanation:

From coulombs law,

F = kq₁q₂/r² ............................ Equation 1

Where F = Force of attraction or repulsion between the charges, q₁ and q₂ = first and second charge respectively, r = distance between the charges, k = constant of proportionality.

When, F = 6.4 N, r = d m.

6.4 = kq₁q₂/d²......................... Equation 1

When q₁' = 2q₁, q₂' = 3q₂, r = d cm

F = k(2q₁)(3q₂)/d²

F = 6kq₁q₂/d².......................... Equation 2

Dividing Equation 1 by equation 2

6.4/F = kq₁q₂/d²/(6kq₁q₂/d²)

6.4/F = 1/6

F = 6.4×6

F = 38.4 N.

Thus the force = 38.4 N

6 0
4 years ago
Which of the following temperatures is the coldest? A) 5 degrees B)0 degrees C) -15 degrees D) -7 degrees
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It’s c -15 degrees because it it has below O which is below freezing
4 0
3 years ago
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You find a piece of iron with a density of 10.4g/cm3. Which layer of the earth might it come from
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Answer:

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A truck is moving north word at a constant speed the momentum of the car is
nataly862011 [7]

Answer:

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Explanation:

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nasty-shy [4]

Answer:

True

Explanation:

Just as Isaac Newton says, "For every action, there is an equal and opposite reaction."

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