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OlgaM077 [116]
3 years ago
14

The sound waves from a noisy jet travel from the air into water. Which property of the wave will not change?​

Physics
1 answer:
notka56 [123]3 years ago
8 0

The frequency of the wave will not change. Since the change in medium doesn't affect the source of the waves, the frequency of those waves do not change.

Hope this helps! :)

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The kinetic energy of the molecules inside the balloon _______ which
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Answer:

Increase,.faster

Explanation:

The kinetic energy of the molecules inside the balloon

increases

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faster

I hope this helps you :)

6 0
3 years ago
(HURRY 20 MINS)
leonid [27]

Answer:

Roles and responsibilities

Explanation:

Definition of safety plan:

"A Safety Plan is a written document that describes the process for identifying the physical and health hazards that could harm workers, <em>procedures to prevent accidents</em>, and steps to take when accidents occur. Written safety plans can be comprehensive, such as an injury and illness prevention program, or they can be specific to a particular activity, hazard, or piece of equipment. The written safety plan is your blueprint for keeping workers safe."

Alternative definition

"What is an OSHA Safety Plan? An OSHA Safety Plan is a written plan that describes the potential hazards in the workplace, <u><em>and the company policies</em></u>, controls, and <u><em>work practices</em></u> used to minimize those hazards."

elements of a safety plan:

Basic Safety Plan Elements

Policy or goals statement

<u><em>List of responsible persons</em></u>

Hazard identification

<em>Hazard controls and safe practices</em>

<em>Emergency and accident response</em>

Employee training and communication

<em>Recordkeeping</em>

I say roles and responsibilities because it makes sense that if it's your responsibility and possibly something that could be dangerous -- hence a safety plan --  you would have to sign it before working. I hope this helps!

4 0
10 months ago
a ball is tossed straight up in the air to a maximum height of 25 meters before returning to the point that it was thrown, where
boyakko [2]

Answer:

height=25

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Answer =2000

5 0
2 years ago
A car on a roller coaster loaded with passengers has a mass of 2.0 x 10^3 kg. At the lowest point of the the track, the radius o
mart [117]

Answer:

here is my work

Explanation:

6 0
2 years ago
PLEASE HELP AND I WILL GIVE BRAINLIEST
san4es73 [151]

Answer:

A: Sound waves produce an echo

Explanation:

because the cup is a hard smooth surface you can hear the voice

3 0
2 years ago
Read 2 more answers
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