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grandymaker [24]
3 years ago
6

The diameter of Saturn is nearly ten times that of Earth. However, the density of Saturn is much less than that of Earth. What i

s the reason for this?
Group of answer choices

Earth is hotter than Saturn.

Saturn has a ring system.

Saturn is a gaseous planet.

Earth is farther from the sun than Saturn.
Physics
1 answer:
Tatiana [17]3 years ago
7 0

Answer:

Saturn is a gaseous planet

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A certain car traveling at 97 km/h can stop in 47 m on a level road find the coefficient of friction
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The coefficient of friction between the road and the car's tire is determined as 0.78.

<h3>Acceleration of the car</h3>

The acceleration of the car is calculated as follows;

v² = u² - 2as

0 = u² - 2as

a = u²/2s

where;

  • u is the initial velocity = 97 km/h = 26.94 m/s

a = (26.94)²/(2 x 47)

a = 7.72 m/s²

<h3>Coefficient of friction</h3>

μ = a/g

μ = (7.72)/9.8

μ = 0.78

Learn more about coefficient of friction here: brainly.com/question/14121363

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1 year ago
Which statement correctly describes why a compound is a pure substance?
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Explanation:

A compound is a pure substance composed of two or more different atoms chemically bonded to one another. A compound can be destroyed by chemical means. It might be broken down into simpler compounds, into its elements or a combination of the two.

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3 years ago
Is work done in this example: A student lifting a heavy backpack off of the floor.
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What type of stellar object has the greatest density
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A ruler of length 0.30m is pivoted at its centre. Equal and opposite forces of magnitude 2.0N are applied to the ends of the rul
kow [346]

Answer:

0.3858 Nm

Explanation:

The torque of the couple is the dot product of the force vector and the couple vector from 1 end of the ruler to the center. This equals to the product of their magnitude times the cosine() of the angle made by their direction:

T = \vec{F} \cdot \vec{s} = Fscos(50^0) = 2 * 0.3 * 0.643 = 0.3858 Nm

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