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Kryger [21]
3 years ago
9

The continental crust has the average composition of _____.

Physics
2 answers:
Aliun [14]3 years ago
8 0
GRANITE is the correct answer!!:)




Hope this helps plz mark as brainlist and 5 star it would mean alot!!
kramer3 years ago
3 0
The answer would be, "Granite".
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Do mirrors reflect light
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Yes, Mirror are a surface that reflects light more perfectly than ordinary objects.

Explanation:

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2 years ago
Saturn has an orbital period of 29.46 years. In two or more complete sentences, explain how to calculate the average distance fr
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For astronomical objects, the time period can be calculated using:
T² = (4π²a³)/GM
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3 years ago
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Indicate on the chart whether you would classify each model as representing an element, compound, or mixture.
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1 compound

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3 years ago
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A wheel initially has an angular velocity of 18 rad/s, but it is slowing at a constant rate of 2 rad/s 2 . By the time it stops,
ZanzabumX [31]

Answer:

5) 13 revolutions (approximately)

Explanation:

We apply the equations of circular motion uniformly accelerated :

ωf²= ω₀² + 2α*θ Formula (1)

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θ : angle that the body has rotated in a given time interval (rad)

α : angular acceleration (rad/s²)

ω₀ : initial angular speed ( rad/s)

ωf : final angular speed  ( rad/s)

Data:

ω₀ = 18 rad/s

ωf = 0

α = -2 rad/s²  ; (-) indicates that the wheel is slowing

Revolutions calculation that turns the wheel until it stops

We apply the formula (1)

ωf²= ω₀² + 2α*θ

0 = (18)² + 2( -2)*θ

4*θ =  (18)²

θ =  (18)²/4 = 81 rad

1 revolution = 2π rad

θ = 81 rad * 1 revolution / 2πrad

θ =  13 revolutions approximately

8 0
3 years ago
Next
natta225 [31]

Answer:

maybe it is the first one

7 0
2 years ago
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