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seraphim [82]
4 years ago
13

Anytime a scientific theory is challenged does it mean that its not a good theory

Physics
1 answer:
nikitadnepr [17]4 years ago
4 0
No, it does not mean it is not a good theory.
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Two girls stand 500m away from a tall wall
Mama L [17]

From the calculations, the speed of sound in this case is 16.9 m/s.

<h3>What is an echo?</h3>

The term echo has to do with the reflection of sound waves. Sound is a mechanical wave.

we know that the speed of sound is obtained from;

V = 2x/t

x = distance covered

t = time taken

V = 2(500)/59

v = 16.9 m/s

The error in the experiment could come from;

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Learn more about echo:brainly.com/question/9527413

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2 years ago
A ball is dropped and falls with an acceleration of 9.8m/s2 downward. it hit the ground with a velocity of 49 m/s downward. how
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Hope this helps!!Brainlist?

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Making a model helps the scientists have a better example or view of what they are working with
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