3 years ago

The image shows a roller coaster.

Physics

1 answer:

mariarad [96]3 years ago

8 0

I believe the answer is c but I’m not 100% sure

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yaroslaw [1]

Answer:

3 m

Explanation:

At last, Same line; so, 6-3 = 3

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3 years ago

Analyze how buffers allow you to eat acidic and basic foods without changing your blood pH.

blondinia [14]

Buffers neutralize the acid and the bases

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3 years ago

Plz help urgent <br> i will give brainliest

In-s [12.5K]

Answer:

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2 years ago

Find a numerical value for rhoearth, the average density of the earth in kilograms per cubic meter. Use 6378km for the radius of

mylen [45]

Answer:

density = 5520 kg/m^3

Explanation:

given that

radius of earth = 6378 km

G = 6.67 x 10⁻¹¹ m³/kg.s²

g = 9.80 m/s²

we know,

$g = \dfrac{GM}{r^2}$

mass of earth

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M = 5.972 x 10²⁴ kg

density = $\dfrac{mass}{volume}$

V = volume of the earth = 4/3πr³

V = 4/3 x 3.14 x (6378 x 10³)³

V = 1.08 x 10²¹ m³

density = $\dfrac{5.972\times 10^{24}}{1.08\times 10^{21}}$

density = 5.52 x 10³ kg/m^3

density = 5520 kg/m^3

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2 years ago

Which process is a form of mechanical weathering?

ICE Princess25 [194]

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