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ollegr [7]
3 years ago
9

A student is investigating two types of waves. Which question can the student ask to determine whether a wave is electromagnetic

?
A Can the wave travel through a vacuum?
B
Can the wave travel through a liquid?
C
Can the wave travel through a solid?
D
Can the wave travel through a gas?
Physics
1 answer:
Romashka-Z-Leto [24]3 years ago
6 0

Answer: A

Can the wave travel through a vacuum

Explanation:

Electromagnetic waves can propagate through space, and vacuum carrying electromagnetic radiant energy without the help of any medium for its propagation. But mechanical wave can't propagate through a vacuum without the help of a medium.

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Answer:

7808 m/s

Explanation:

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    Vertical component = 1704 sin 45 = 1204.9 m/s

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Add the two vertical components

  6510 + 1204.9 = 7714.9 m/s = vertical velocity

Pythagorean theorem to find resultant of vertical and horiz  v's

Vf ^2 = 1204.9^2   + 7714.9^2 0

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3 years ago
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There are several ways to model a compound one type of model is shown ?what is the chemical formula for the molecule modeled?
s2008m [1.1K]

The is organic compound with the correct chemical formula C4H9O2.

<h3>What is a model?</h3>

A model is a representation of reality. A model serves the purpose of prediction as well as explanation.

Looking at the model of the molecule we can see that it is the organic compound with the correct chemical formula C4H9O2. The molecule is shown in the image attached to this answer.

Missing parts:

There are several ways to model a compound. One type of model is shown.

What is the chemical formula for the molecule represented by the model?

CHO

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Answer:

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So correct answer is

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Here light bends at 90 degree angle when light incident at critical angle

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So here we can say that correct answer is

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3 years ago
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