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hammer [34]
2 years ago
14

Why do I hear a loud sound when I put my ear against the wall and knock

Physics
1 answer:
Salsk061 [2.6K]2 years ago
5 0

Explanation:

the reason you hear a loud sound when you knock on a wall and put your ear u against it is because when you knock on said wall vibrations are bouncing off of the wall there fore making that loud banging sound.

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You will use the Pythagorean Theorem to solve it.
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c^2 = 6.25
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I hope this helps!
3 0
3 years ago
If the man pushes with a force of 2000N and friction is 500N, what is the resultant force?
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Answer:

Explanation:

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