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adell [148]
2 years ago
5

How many meters across is a road sign that has an angular size of 120 arcseconds and is 1 km away?

Physics
1 answer:
myrzilka [38]2 years ago
8 0
That’s the one I’m struggling withhhh aswellll
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The mercalli scale is a scale from ________.
Mashcka [7]
<h2>Answer: 1 to 12. </h2>

<u>The Mercalli seismological scale is a scale of 12 degrees</u>, where 1 is very weak and 12 catastrophic.

This scale owes its name to the Italian physicist Giuseppe Mercalli and was developed to assess the intensity of earthquakes through the effects and damages caused to different structures.

This means the <u>Mercalli scale measures how strong a earthquake has been by </u><u>its consequences and not by its magnitude</u><u>, therefore it is based on </u><u>empirical observations.</u>

6 0
3 years ago
By applying the third law of motion, which force is greater when you push on a wall? Your force, the wall’s force, your force an
o-na [289]

Hello!

By applying the third law of motion, your force and the wall's force are equal.

I hope this helps you! Have a great day!

- Mal

8 0
3 years ago
Read 2 more answers
Shearing of the wool is done with special instruments called_____​
Kobotan [32]

Answer:

The machine used is called a squaring shear, power shear, or guillotine.

Explanation:

5 0
2 years ago
Read 2 more answers
Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has an average speed of 6.0 cm
faltersainse [42]

Answer:

1.35×10⁻⁷ m

37.278 mi/My

Explanation:

Speed of the tectonic plate= 6 cm/yr

Converting to seconds

6=\frac{6}{365.25\times 24\times 60\times 60}

So in one second it will move

\frac{6}{365.25\times 24\times 60\times 60}

In 71 seconds

71\times \frac{6}{365.25\times 24\times 60\times 60}=1.35\times 10^{-5}\ cm

The tectonic plate will move 1.35×10⁻⁵ cm or 1.35×10⁻⁷ m

Convert to mi/My

1 cm = 6.213×10⁻⁶ mi

1 M = 10⁶ years

6\times 6.213\times 10^{-6}\times 10^6=37.278\ mi/My

Speed of the tectonic plate is 37.278 mi/My

7 0
3 years ago
Which of the following will not have the same number of valence electrons?
nexus9112 [7]
Carbon is the answer to the problem
4 0
3 years ago
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