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likoan [24]
3 years ago
12

What a relationship between flame color and chemical name.

Physics
2 answers:
Ad libitum [116K]3 years ago
5 0
The flame gets the color which is determined by the properties of the atomic energy shells of the chemical element of the substance.
LekaFEV [45]3 years ago
3 0
Those transitions emit light of very specific frequencies, characteristic of the chemical element itself. Therefore, the flame gets the color, which is primarily determined by properties of the atomic energy shells of the chemical element of the substance being put into flame.
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You just found a metallic object in a creek bed. you have found its mass to be 96.5 g, and it displaces 5mL of water. what is th
MaRussiya [10]
Judging by the density (19.3 g/ml) there's a very good chance that it could be gold.
4 0
3 years ago
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Hearing rattles from a snake, you make two rapid displacements of magnitude 1.8 m and 2.4m. Draw sketches, roughly to scale, to
seraphim [82]

Answer:

The answer is a 4.2m

Explanation:

Given data

Please see attached the rough drawing for your reference.

From the drawing, you ran 18m west and 2.4m south

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= 1.8+2.4

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8 0
3 years ago
If two runners take the same amount of time to run a mile, they have the same __________.
Svet_ta [14]
I am going to say velocity because you have the same amount of acceleration going in a certain direction.
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3 years ago
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Cindy runs 2 kilometers every morning. She takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minu
PIT_PIT [208]

Answer:

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7 0
2 years ago
What is the magnitude of the resultant of a 7.0-N force acting vertically upward and a 5.0-N force acting horizontally.
irakobra [83]

Answer:

Resultant force = 8.6N

Explanation:

Using Pythogorus' theorem

{a}^{2}  +  {b}^{2}  =  {c }^{2}  \\  {7}^{2}  +  {5}^{2}  =  {r}^{2} \\ 49 + 25 =  {r}^{2}  \\ 74 =  {r}^{2}  \\   \sqrt{74}  =   \sqrt{ {r }^{2} }  \\ 8.6 = r \\

Resultant force = 8.6N

6 0
2 years ago
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