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Kitty [74]
3 years ago
6

How does sound travel from its source to your ear?

Physics
2 answers:
swat323 years ago
5 0
B. By vibrations in wires or strings
Ksenya-84 [330]3 years ago
5 0

Answer:

The answer is B

Explanation:

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not many things maybe they accomplish one job the machine has been programmed to do.

Explanation:

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Formular for coefficient of friction<br>​
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Answer:

hope you like it mark as brainliest

Explanation:

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.

The coefficient of friction (fr) is a number that is the ratio of the resistive force of friction (Fr) divided by the normal or perpendicular force (N) pushing the objects together. It is represented by the equation: fr = Fr/N.

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3 years ago
The measure of a spring’s resistance to being compressed or stretched is the
larisa86 [58]

<u>Answer;</u>

<em>Spring constant </em>

<u>Explanation;</u>

The measure of a spring’s resistance to being compressed or stretched is the <u>spring constant</u>.

  • The symbol of spring constant is K, since it is a constant. From the Hooke's law,for a helical spring or any elastic material, the extension force is directly proportional to the extension provided the elastic limit is not exceeded.
  • Therefore; the spring constant = Force/extension. That is; K = F/e; where k is the spring constant, F is the extension force and e is the extension.
  • Spring constant depicts the resistance of the spring to compressional and stretching forces.
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Question 4 of 10
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Answer:

22.3 kg•m/s

Explanation:

Apex;)

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According to the law of conservation of energy, when a lawnmower uses 750 J of chemical energy from gasoline, how much of this e
steposvetlana [31]
Energy is neither created nor destroyed

E in = E out
750 J in so 750 J out
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