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jek_recluse [69]
3 years ago
6

Magnesium and sulfur Ionic or covalent?

Physics
1 answer:
Maksim231197 [3]3 years ago
5 0
The answer is ionic.
magnesium is a metal and sulfur is not
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Mercury has a radial acceleration of 3.96 × 10−2 m/s2 and its orbital period is T = 88 days. What is the radius of Mercury’s orb
Maslowich

Answer: 58,045,522,878.8 meters

Explanation:

Ok, the data we have is

Period = T = 88 days

Radial acceleration = ar = 3.96x10^-2 m/s^2

And we know that the equation for the radial acceleration is:

ar = v^2/r = r*w^2

Where v is the velocity. r is the radius and w is the angular velocity.

And we know that:

w = 2*pi*f

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T = 1/f.

Then we can write:

w = 2*pi/T

and our equation becomes:

ar = r*(2*pi/T)^2

Now we solve this for r.

First we need to use the same units in both equations, so we want to write T in seconds.

T = 88 days,

A day has 24 hours, and one hour has 3600 seconds:

T = 88*24*3600 s =7,603,200s

Then:

3.96x10^-2 m/s^2 = r*(2*3.14/7,603,200s)^2

r = (3.96x10^-2 m/s^2) /(2*3.14/7,603,200s)^2 = 58,045,522,878.8 meters

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If you placed a dot on a world map to represent the location of every earthquake in the last 100 years, where would you see eart
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For Blake:

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For Sandra:

4 boxes, 15 N each at a distance of 12 meters each. 

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Blake does less work than Sandra. 
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