Physics
29.04.2021 23:11
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The sky on Earth is blue because blue light is scattered through the atmosphere
The sky on Earth is blue because blue light is scattered through the atmosphere as the other colors of light pass through undisturbed. Which nebulae have something similar going on?
A. Emission nebulae
B. Dark nebulae
C. Reflection nebulae
D. Planetary nebulae
Show Answers
B. Dark nebulae
C. Reflection nebulae
D. Planetary nebulae
chrisroman152
4,7(15 marks)
Speeed
Explanation:
The speed of an object is defined as the rate of change of distance:
where
d is the distance covered by the object
t is the amount of time needed to cover that distance
Speed is measured in meters per second (m/s). It should be noted that speed is a scalar quantity, so it only has a magnitude (and no direction).
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