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victus00 [196]
2 years ago
14

A sound wave passes from air into water and then into steel. With each change in medium, what happens to the speed of the

Physics
1 answer:
Fiesta28 [93]2 years ago
6 0

Answer:

A

Explanation:

if its wronge im so sorry

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PLEASE HELP QUICKLY 50 POINTS<br> Fracturing can emit ______waves through the ground.
drek231 [11]

Answer:

Fracturing can emit seismic waves through the ground.

Explanation:

I believe the answer is seismic, I've studied this before.

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2 years ago
Write a hypothesis for Part II of the lab, which is about the relationship described by F = ma. In the lab, you will use a toy c
Temka [501]

Answer:

F=ma is the relationship where, F is force, m is mass and a is acceleration.

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If we apply force to a toy car then It will accelerate.

This is how Newton's second law of motion is verified.

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3 years ago
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What does the law of conservation of energy state?
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3 years ago
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An interplanetary spacecraft is moving at
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The awnser is. 1728000 kilometers
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3 years ago
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Rebecca heated 50mL of water from 0 degrees Celsius to 60 degrees Celsius. How much energy did she use to heat the water? Rememb
kramer

Answer:

12552 J or 3000 calories

Explanation:

Q = m × c × ∆T

Where;

Q = amount of heat energy (J)

m = mass of water (g)

c = specific heat capacity (4.184 J/g°C)

∆T = change in temperature

For 50mL of water, there are 50g, hence, m = 50g, c = 4.184 J/g°C, initial temperature = 0°C, final temperature = 60°C.

Q = m × c × ∆T

Q = 50 × 4.184 × (60 - 0)

Q = 209.2 × 60

Q = 12552 J

Hence, the amount of heat energy used to heat the water is 12552 J or 3000 calories

3 0
3 years ago
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