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2 years ago

How did the distance from the sun affect the creation of planets?

2 answers:

6 0

The closest planet from the Sun is Mercury and the furthest is Pluto ( called the Dwarf Planet ). The 4 planets closest to the Sun ( Mercury, Venus, Earth, Mars ) are the inner planets, made up mainly of rock and much denser than the 4 outer planets. The outer planets are called the Gas giants ( Jupiter, Saturn, Uranus and Neptune ). They are made up mostly of gasses with smaller solid and liquid centers. The planets are created in a cloud of gas and dust ( a Solar nebula ). The center of the cloud became a star - the Sun. Closer to the center could stand only rocky material ( the inner planets ) and in the outer regions was icy material that creates the Gas giants.Because of it`s position in the Solar nebula, the proto-Jupiter became the biggest of the planets. From the Jupiter the planets became massive. Those formed closer to the proto-Sun were smaller and rocky.

Keith_Richards [23]2 years ago

6 0

<span>The planets closer to the sun are denser, but the planets farther away are larger.

source: </span>https://quizlet.com/43337872/ch231-assessment-flash-cards/

Hope this helped!

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What force is required to move 7 M if the work done is 9 J

Murrr4er [49]

Answer:

1.29 N

Explanation:

The equation for force (with work and distance) is:

$Force=\frac{Work}{distance}$

We can plug in the given values into the equation:

$Force=\frac{9J}{7m}$\approx1.29 N$

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1 year ago

Read 2 more answers

You drop an ice cube into an insulated flask full of water and wait for the ice cube to completely melt. The ice cube initially

3241004551 [841]

Answer: $T=12.69^{\circ}C$

Explanation:

Given

Mass of ice $m=60 gm$

mass of water $M=760 gm$

Initial Temperature of water $T_i=20^{\circ}C$

Let T be the Final Temperature of mixture

Latent heat of Fusion $L=334 J/gm$

heat required to melt ice completely is

$Q_1=60\times 334=20.04 kJ$

Heat released by water is taken by ice thus

$Mc_{water}(20-T)=mL+mc_{water}(T-0)$

$0.76\times 4.184\cdot (20-T)=20.04+0.06\times 4.184\cdot (T)$

$T=12.69^{\circ}C$

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2 years ago

What is projectile motion caused by?

Lemur [1.5K]

Gravity acts to influence the vertical motion of the projectile, thus causing a vertical acceleration. The horizontal motion of the projectile is the result of the tendency of any object in motion to remain in motion at constant velocity.

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3 years ago

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If you walk 3 kilometers in 30 minutes , what is the average speed in kilometers per hour?

Pepsi [2]

Answer:

6 km/h

Explanation:

V avg = ∆x/∆t = 3km / 30 min ×(60min/1h) = 3 km× 2 /h = 6 km/h

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2 years ago

A vector quantity must include both magnitude and direction. Which measurement is a vector quantity? A) the rain accumulation at

bogdanovich [222]

Answer:

B)The motion of water in an ocean current

Explanation:

With respect to measurements, a vector has both a magnitude and a direction. The first three examples (maximum height of a hill, air temperature, and rain accumulation) are magnitudes only. The fourth example (motion of water in an ocean current) is a vector, because it has a magnitude (speed) and a direction (with the current).

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3 years ago