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3 years ago

The rocky planets are made of material that is much (mire/less) dense than the outer planets.

Physics

1 answer:

IRINA_888 [86]3 years ago

7 0

The outer planets (Jupiter, Saturn, Uranus, Neptune) are called the "GAS giants".

The rocky planets are called "rocky" because they're made of ROCK.

Does this help guide you to the correct choice ?

Here's another hint: The MOST dense planet in our solar system, the one we call "Earth", is one of the 'rocky planets'.

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Two cars are raised to the same elevation on service- station lifts. If one car is twice as massive as the other, how do their p

Brums [2.3K]

Answer:

The potential energy of the more massive one is twice that of the other.

Explanation:

Potential energy is given by

PE = mgh

where m = mass of body, g = acceleration of gravity and h = height or elevation.

For the less massive car, let the mass be $m_1$ . Then its PE is

$PE_1 = m_1gh$

For the massive car, let the mass be $m_2$ . Its PE is

$PE_2 = m_2gh$

But $m_2 =2m_1$

$\therefore PE_2 = 2m_1gh = 2(m_1gh) = 2PE_1$

Hence, the potential energy of the more massive one is twice that of the other.

7 0

3 years ago

I NEED HELP ON THIS QUESTION!

Leto [7]

The second option is the correct one. m/s^2

7 0

3 years ago

What are some of the characteristics scientists are looking for when they search for other Earth-like planets?

Yanka [14]

The ability to sustain life
(ie water, shelter, food, basic needs)
Hope this helped!
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4 0

3 years ago

The ovaries in females and the testes in males are part of the

antoniya [11.8K]

Answer:

Gonads

Explanation:

The gonads, the primary reproductive organs, are the testes in the male and the ovaries in the female. These organs are responsible for producing the sperm and ova, but they also secrete hormones and are considered to be endocrine glands.

Hope this helps :)

3 0

3 years ago

water in a cup and a kettle can have the same temperature even though the quantities are different . give reasons

jekas [21]

Answer:

The reason is because both are exposed to a virtually infinite heat sink, due to the virtually infinite mass and of the surrounding environment, compared to the sizes of either the cup or the kettle such that the equilibrium temperature, $T_{(equilibrium)}$ reached is the same for both the cup and the kettle as given by the relation;

$\infty M_{(environ)} \times c_{(environ)} \times (T_2 - T_1) = m_{1} \times c_{(water)} \times (T_3 - T_2) + m_{2} \times c_{(water)} \times (T_4 - T_2)$

Due to the large heat sink, T₂ - T₁ ≈ 0 such that the temperature of the kettle and that of the cup will both cool to the temperature of the environment

Explanation:

4 0

3 years ago

The rocky planets are made of material that is much (mire/less) dense than the outer planets.​

The rocky planets are made of material that is much (mire/less) dense than the outer planets.