3 years ago

Why is the sky blue?

1 answer:

7 0

Answer:

Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.

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How did the atomic model changed from daltons model in 1803 to schrodingers model of 1926? In 3 to 4 sentences, describe the ch

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Explanation:

Niels Bohr improved Rutherford's model. Using mathematical ideas, he showed that electrons occupy shells or energy levels around the nucleus. The Dalton model has changed over time because of the discovery of subatomic particles .

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3 years ago

Which of the following will attract one another? A. The north pole of magnet and the south pole of another magnet B. The north p

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A. is the correct answer

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Listed in the Item Bank are some important labels for sections of the image below. To find out more information about labels, so

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3 years ago

A falling object accelerates from -10.0 m/s to -30.0 m/s. how much time does it take?

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Answer:

2.04 s

Explanation:

v = at + v₀

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4 years ago

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What is the student's kinetic energy at the bottom of the hill if he is moving

soldi70 [24.7K]

Answer:

KE = 10530 J or 10.53 KJ

Explanation:

The formula for kinetic energy is KE = 1/2 mv^2

Let's apply the formula:

KE = 1/2 mv^2

KE = 1/2 (65kg) (18m/s)^2

KE = 10530 J or 10.53 KJ

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3 years ago