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umka2103 [35]
3 years ago
14

Light travels at a rate of 3.00 x 10^8 m/s. It takes light 8.30 min to travel from the surface of the sun to the earth. What is

the distance of the earth from the sun?
Chemistry
1 answer:
bija089 [108]3 years ago
7 0

Answer: The distance of the earth from the sun is 1.494\times 10^{11}m

Explanation:

Speed of light = 3.00\times 10 ^8 m/s

Time taken to travel from sun to earth = 8.30 mins = 8.3\times 60=498sec    (1min=60 s)

As we know ; Speed is defined as the distance travelled per unit time.

Distance=speed\times time

Hence distance between sun and earth =3.00\times 10^8m/s\times 498s=1.494\times 10^{11}m

Thus the distance of the earth from the sun is 1.494\times 10^{11}m

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Waves of sound energy move ________ ___ ____ ___________ from the source.
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Answer:

are there any options for us to choose from? or is it just fill in the blank

8 0
2 years ago
Lindsey is trying to gain credibility for her studies. She completed her experiment and discussed her finding with colleagues. H
noname [10]

Answer:

Option B:Publishing scientific journals

Explanation:

We are told that Lindsey is trying to gain credibility for her studies.

Since she completed her experiment and discussed her finding with colleagues, the most logical next step would be to publish scientific journals. This is because the other options given are not steps that should be taken because she has completed the research and therefore has no need to speak at a conference next nor even create new charts which they must have done during the research. No need for her to make sure the topic is popular.

Option B is correct

8 0
3 years ago
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4 0
3 years ago
Which experimental setup would let a student investigate the connection between kinetic energy and temperature? (1 point) placin
Maslowich

Answer:

The correct option is;

Placing one drop of food coloring in a cup with 60 ml of water at 10°, placing one drop of food coloring in a second cup with 60 ml of water at 40°C

Explanation:

The experimental setup that would allow the student investigate the connection between kinetic energy and temperature should be made up of the following characteristics

1) The constant terms for the experiment should be defined, which in this case are

a) The volume of the water which is 60 ml in both subjects of the experiment

2) The definition of the variable that produces the effect that is being monitored, which is the use of the different temperatures in the two experimental subjects

3)The environmental limits of the experiment, which is the water and the food coloring used

5 0
3 years ago
Which element is used for the shinny trim in thermomerters
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I found this in the Wikipedia article ‘Alcohol thermometer’
7 0
3 years ago
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