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Stells [14]
3 years ago
10

A scientist observes and records data for the force of gravity between a star and a few different-sized planets. The planets are

all the same distance from the star. Which graph best represents the strength of the gra
W.
X.

Y.
Z.vitational force between the planets and the star?
Physics
1 answer:
user100 [1]3 years ago
3 0

Answer: pppp

Explanation:This pp

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When a burning stick of increase is moved fast in a circle a circle of red light is seen.​
anzhelika [568]

Answer:

The impression of the image on the retina lasts for about 1/16th of a second after the removal of the object. If a burning stick of incense is revolved at a rate of more than sixteen revolutions per second, we see a circle of red light due to persistence of vision.

Explanation:

7 0
2 years ago
Will give correct answer brainliest​
lukranit [14]

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I THINK it’s A

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Because all the other answers don’t make sense.

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3 years ago
Pierre cycles at 4 miles per hour and travels a distance of 13 miles. How long
amm1812

Answer:

His journey took him 3 hours 15 minutes.

Explanation: 4 miles every hour. So 1 hr is equal to 4 miles, 2 hrs is equal to 8 miles, 3 hrs is equal to 12 miles. Now he just has 1 miles left, and since it takes him a hour to cycle 4 miles, 60 divided by 4 is 15. Therefore, 1 mile is equal to 15 minutes.

4 0
3 years ago
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Which takes longer to reach earth, light from the sun or light from other stars? Explain.
densk [106]
Light from other stars take longer to reach the earth because they are farther than our sun.
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In a swimming meet, the swimmers swim a total of 8 laps of a 50-meter-long swimming pool. What is the distance traveled by a swi
N76 [4]

Answer:

The swimmer has a distance traveled of 800 meters.

The final displacement of the swimmer is 0 meters.

Explanation:

A lap is a round trip made by a swimmer in the pool, so that the distance traveled by swimmer is sixteen times the length of the swimming pool. That is:

s = \left(2\,\frac{travels}{lap} \right)\cdot \left(8\,laps \right)\cdot \left(50\,\frac{m}{travel}\right)

s = 800\,m

A swimmer has a distance traveled of 800 meters.

The displacement is the distance between swimmer and a reference point, let suppose that reference point is located at the beginning of the first lap. Hence, the final displacement of the swimmer is 0 meters.

7 0
2 years ago
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