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quester [9]
2 years ago
8

This map shows coal production around the world by region. Which answer best explains the data shown in the map?

Physics
1 answer:
LenaWriter [7]2 years ago
7 0

Answer:

a) humidity

Explanation:

asia is known for miserable humid weather

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A baseball player throws a ball horizontally at the same moment another baseball player jobs a second ball straight down from th
attashe74 [19]

I don't know what you mean when you say he "jobs" the other ball, and the answer to this question really depends on that word.

I'm going to say that the second player is holding the second ball, and he just opens his fingers and lets the ball <u><em>drop</em></u>, at the same time and from the same height as the first ball.

Now I'll go ahead and answer the question that I've just invented:

Strange as it may seem, <em>both</em> balls hit the ground at the <em>same time</em> ... the one that's thrown AND the one that's dropped.  The horizontal speed of the thrown ball has no effect on its vertical acceleration, so both balls experience the same vertical behavior.

And here's another example of the exact same thing:

Say you shoot a bullet straight out of a horizontal rifle barrel, AND somebody else <em>drops</em> another bullet at exactly the same time, from a point right next to the end of the rifle barrel.  I know this is hard to believe, but both of those bullets hit the ground at the same time too, just like the baseballs ... the bullet that's shot out of the rifle and the one that's dropped from the end of the barrel.

7 0
3 years ago
Which two particles are found in the center of an atom
VikaD [51]

the two particles that are found in the center of an atom are protrons and neutrons.

6 0
3 years ago
Calculate the minimum wavelength (λ0) for the continuous spectrum of X-rays emitted when.. a) 30-kV electrons strike a cobalt (C
Sholpan [36]

Explanation:

The relationship between the wavelength and the potential difference V is given by :

\lambda=\dfrac{h}{\sqrt{2me}}\times \dfrac{1}{\sqrt{V}}

Putting the values of known parameters,

\lambda=\dfrac{12.28}{\sqrt{V} }\times 10^{-10}\ m

(a) V=30\ kV=30000\ V

\lambda=\dfrac{12.28}{\sqrt{30000} }\times 10^{-10}\ m

\lambda=7.08\times 10^{-12}\ m

(b) V=60\ kV=60000\ V

\lambda=\dfrac{12.28}{\sqrt{60000} }\times 10^{-10}\ m

\lambda=5.01\times 10^{-12}\ m

Hence, this is the required solution.

4 0
4 years ago
Put the waves in order from shortest to longest wavelength
FromTheMoon [43]

Answer:

b, a, c

Explanation:

The middle one has the shortest wavelength, then it's the top one and the last one has the longest wavelength.

3 0
3 years ago
When a liquid is heat but not boiling there is an increase in potential energy, kinetic energy, or all of the above
vagabundo [1.1K]

Answer:There's an increase in it potential energy

Explanation:there is an increase in it potential energy

7 0
3 years ago
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