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-BARSIC- [3]
3 years ago
15

Match each planet to the sentence that best describes it.

Physics
2 answers:
Murrr4er [49]3 years ago
8 0

Answer:

Saturn It is most well-known for  its rings.

Neptune It has the strongest winds  in the solar system.

Uranus its orbit was used to  predict the existence of  another planet.

Jupiter It has a giant storm three  times the width of Earth.

Explanation:

<u>Properties of different planets</u>

Saturn is the second largest planet in the solar system and it’s most well-known for its bright and beautiful rings that circle its equator. These rings are composed of numerous ice and rock particles  

Neptune has the strongest winds in the solar system and the winds are known for whipping the clouds at a speed of approximately 2000 Km/h

Astronomers used the orbit of Uranus to predict the existence of Neptune in 1846.

Jupiter has an iconic Great Red Spot  just off the planet’s center which is approximately 1.3 times the Earth’s diameter and its winds move at a speed approximately 425 mph.

Blizzard [7]3 years ago
8 0

Answer:

Saturn: It is most well-known for its rings

Uranus: its orbit was used to predict the existence of another planet.

Neptune: It has the strongest winds in the solar system.

Jupiter: It has a giant storm three times the width of Earth.

Explanation:

Saturn: Saturn is most well-known for its rings and the ring system of Saturn can extend up to 282,000km or 175,000mile from the planet. The rings of Saturn together with the planet itself can fit in the distance between the Earth and the Moon.

Uranus: Uranus's orbit is used to predict the existence of another planet because It orbits the sun quite unusually, being the only planet whose equator is nearly at a right angle to its orbit, with a tilt of 97.77 degrees.

Neptune: Neptune has the strongest wind in the solar system as it is the fourth largest and the farthest planet of the Solar System with the most powerful wind speeds out of all the planets.

Jupiter: Jupiter is considered to be the fifth planet from the Sun and the largest planet of the Solar System. It is the oldest planet of the Solar System. Its size is twice the size of all other planet combined and it has a century old storm that is bigger than Earth.

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Starting from rest, a boulder rolls down a hill with constant acceleration and travels 3.00m during the first second.
Alexus [3.1K]

Answer:

a) 9.00 m b) 6.00 m/s  c) 12.00 m/s

Explanation:

a) If the acceleration is constant, and we know that the displacement during the first second was 3.00 m, as the boulder (assumed that we can treat it as a point mass) started from rest, we can say the following:

Δx = \frac{1}{2}*a*t^{2} = 3.00 m

As t = 1 s, replacing in the expression above, and solving for a, we have:

a = \frac{2*3.00m}{1s2} = 6.00 m/s²

In order to know how far it travels during the second second, we need to know the value of the speed after the first second, as it is the initial velocity when the second second begins:

vf = v₀ + a*t ⇒ vf = 0 + 6 m/s²*1s = 6.00 m/s

The total displacement, during the second second, will be as follows:

Δx = v₀*t + \frac{1}{2}*a*t^{2} = 6.00m/s*1s +\frac{1}{2}*6.00 m/s2*1s^{2}  = 9.00 m

⇒ Δx = 9.00 m

b) At the end of the first second, the final speed can be obtained as follows:

vf = v₀ + a*t ⇒ vf = 0 + 6 m/s²*1s = 6.00 m/s

c) At the end of the second second, the final speed can be obtained as follows:

vf = v₀ + a*t ⇒ vf = 0 + 6 m/s²*2s = 12.00 m/s

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alukav5142 [94]

Answer:

t = 0.97 s

Explanation:

Given that,

height, h = 4.7 m

We need to find the time taken by the object to fall 4.7 m.

Let it is t. Using second equation of kinematics to solve it such that,

h=ut+\dfrac{1}{2}gt^2

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So,

h=\dfrac{1}{2}gt^2\\\\t=\sqrt{\dfrac{2h}{g}}\\\\t=\sqrt{\dfrac{2\times 4.7}{9.8}}\\\\t=0.97\ s

So, the required time is equal to 0.97 seconds.

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