1. Why are the outer planets called “gas planets?”
Answer:
They are also called the gas planets because they consist mainly of hydrogen, or the giant planets because of their size. These planets usually have complicated system of many moons and often even rings of ice and/or dust. There are four Jovian planets in the Solar System: Jupiter, Saturn, Uranus and Neptune.
Answer:
They are also called the gas planets because they consist mainly of hydrogen, or the giant planets because of their size. These planets usually have complicated system of many moons and often even rings of ice and/or dust. There are four Jovian planets in the Solar System: Jupiter, Saturn, Uranus and Neptune.
Explanation:
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A small-motorized cart can go from a standing start to 42 m/s in 7 seconds. What is the acceleration rate of the cart?
This table lists the densities of four different substances.
SUBSTANCE
DENSITY (G/CM)
W
1.02
Х
3.07
Y
2.81
Z
0.98
If water has a density of 1.0 g/cm, which substance will float on the surface of water?
W
O a
Oь
Y
Oc
X N
Od
Answer:
GREATER than 1 g/cm. 3, it will SINK in water. LESS than 1 g/cm3, it will FLOAT in water. If an object's density is: Density of Object > Density of Liquid.
Explanation:
What is the period of a wave with a wavelength of 8 cm and a frequency of 0.5 hertz?(1 point)
0.125 seconds
2 seconds
4 seconds
0.0625 seconds
Answer:2 seconds
Explanation:
hari planted to go abroad. change into negative
Answer:
Hari didn't plan to go abroad
Explanation:
Abroad planned to go to hari.
A dog running with an initial speed of 7.5 m/s comes to a stop in 5 seconds. What is the
dog's displacement?
Answer:
4.6
Explanation:
If a dog running with an initial speed of 7.5 m/s comes to a stop in 5 seconds, then the displacement of the dog would be 37.5 m / s .
What is displacement?An object's position changes if it moves in relation to a reference frame, such as when a passenger moves to the back of an airplane or a professor moves to the right in relation to a whiteboard. Displacement describes this shift in location.
As given in the problem If a dog running with an initial speed of 7.5 m/s comes to a stop in 5 seconds, then we have to find the displacement of the dog.
The displacement of the dog = 7.5 × 5
= 37.5 m /s
Thus , If a dog running with an initial speed of 7.5 m/s comes to a stop in 5 seconds, then the displacement of the dog would be 37.5 m / s .
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6. Compare Which of the
following can carry the
most current?
a. 9-V battery
b. 220-V electrical outlet
c. 12-V battery
d. 110-V electrical outlet
Give two example of conditions when two objects (Object A=1 kg and Object B =10 kg) would have the same momentum.
Answer:
they can have the momentum if only they are been divided by another number to see the difference
State the Law of Electric Charges in your own words.
[tex] \\ [/tex]
According to Coulomb, the electric force for charges at rest has the following properties: Like charges repel each other; unlike charges attract. Thus, two negative charges repel one another, while a positive charge attracts a negative charge. The attraction or repulsion acts along the line between the two charges.
Things that are negatively charged and things that are positively charged pull on (attract) each other. This makes electrons and protons stick together to form atoms. Things that have the same charge push each other away (they repel each other). This is called the Law of Charges.
[tex] \\ [/tex]
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Two billiard balls of equal mass move at right angles and meet at the origin of an xy coordinate system. One is moving upward along the y axis at 2.1 m/s and the other is moving to the right along the x axis with speed 3.8 m/s. After the elastic collision, the second ball is moving along the positive y axis. What is the final direction of the first ball, and what are their two speeds?
Answer:
sorry i cant figure this out
Explanation:
What is the kinetic energy of a 0.50 KG ball that is traveling at a speed of 40m/s
Answer:
0.4kjKE = 1/2 mv2
KE = 1/2 mv2 KE = 1/2 (0.50kg) (40m / s)
KE = 1/2 mv2 KE = 1/2 (0.50kg) (40m / s) 2 KE = 1/2 (0.50) (402)
KE = 1/2 mv2 KE = 1/2 (0.50kg) (40m / s) 2 KE = 1/2 (0.50) (402) KE = 0.5 x 0.50 x 402
KE = 1/2 mv2 KE = 1/2 (0.50kg) (40m / s) 2 KE = 1/2 (0.50) (402) KE = 0.5 x 0.50 x 402 KE = 400 J
KE = 1/2 mv2 KE = 1/2 (0.50kg) (40m / s) 2 KE = 1/2 (0.50) (402) KE = 0.5 x 0.50 x 402 KE = 400 JKE = 0.4 KJ
Answer:
K. E = 1/2MV²
K. E = 1/2 x 0.50kg x (40m/s)²
K. E = 1/4kg x 1600m²/s²
K. E = 400
A car travelling at 10 m/s has 75 kJ of KE. Calculate the car’s mass.
Will give brainliest
Answer:
[tex]k.e = \frac{1}{2} MV {}^{2} \\ 75 = \frac{1}{2} m10 {}^{2} \\ \frac{75}{100} = \frac{1}{2} m \\ \\ 0.75 \times 2 =m \\ m = 1.5kg[/tex]
the mass of car is 1.5kg
Question 6 of 10
Which two characteristics make electromagnetic waves effective in
communication?
O A. They carry more energy than visible light.
B. They do not require a medium to carry information.
C. They carry information very quickly.
D. They move faster through matter than through space.
Answer:
The answer is "Choice B and Choice C".
Explanation:
In this question, the two features, which make electromagnetic waves effective for interaction, which they don't really need a method of travel of data and move information quite fast. The motion among magnetic and electrical forces is generated by electromagnetic radiation. These waves will spread without the need for a source for their movement, and they have high speed and also the electromagnetic waves it has the same frequency as light.
How would you explain to a 5 year old how to make their hands move to show each type of plate boundary with their hands. Convergent (2 ways to move your hands, to make mountains /to show subduction). Divergent (1 way to move your hands). Transform (1 way to move your hands)? Gosh, my teacher needs 3 paragraphs.
Answer:
Theirs plenty of ways to move you´re hands. You can make you´re hands wave like the ocean and as well make them move together to create a sound which is called clapping.
You can move your hands by poking your fingers together or you can hide your face by putting your hands on your face. You can also play peek a boo while you hide your face by taking you´re hands off you´re face.
Their is many ways to move your hands, They have big words for it too. The big words would be Convergent, Divergent and Transform.
That´s the many ways to move the hands.
Explanation:
GIMME BRAINLIEST PLZ I TOOK TIME ON THAT I HOPE ITS CORRECT. :))
what is the shape of the path traversed by the earth around the sun?
Answer:
The shape of the path transverse by the Earth around the sun is called an ellipse
Explanation:
:)
what is refusing to take part in any activity or behavior that puts your health?
Answer:
Explanation:
Here are some simple do’s and don’ts for kids who refuse to do work: Don’t just punish. If a child or young adult is struggling with some social or emotional challenges at the moment, a punishment is only going to push them away further. Your punishment will appear as harsh, mean, and uncaring.The patient's failure to keep appointments. Patients make appointments, then cancel them at the last minute, or don't show up at all. From the provider's perspective, that means a window of no income in addition to the fact that the patient isn't getting the help he or she needs. A patient's rude or obnoxious behavior.
Which of the following is not a space rock?
A
a star
B
a comet
C
an asteroid
D
a meteoroid
Answer:
A
Explanation:
a star is a bolling gas so it not a space rock
A star is not a space rock. Thus, the correct answer is option A.
What is a star?A star is a type of astronomical object that consists of a luminous spheroid of plasma held together by gravity. The Sun is the closest star to Earth. Many other stars can be seen with the bare eyes at night, but due to their great distances from Earth, they appear as fixed points of light.
Many of the brightest stars have proper names, and the most prominent stars have been classified into constellations . As previously stated, a star is a massive self-luminous celestial body of gas that shines through radiation emitted by its internal energy sources. It is not a space rock.
Therefore, a star, which is self-luminous celestial body made up of gas, is not a space rock.
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what is aerobic activities
Answer:
Aerobic exercise is any type of cardiovascular conditioning. It can include activities like brisk walking, swimming, running, or cycling. You probably know it as “cardio.”
By definition, aerobic exercise means “with oxygen.” Your breathing and heart rate will increase during aerobic activities. Aerobic exercise helps keep your heart, lungs, and circulatory system healthy.
Aerobic exercise differs from anaerobic exercise. Anaerobic exercises, such as weightlifting or sprinting, involve quick bursts of energy. They’re performed at maximum effort for a short time. This is unlike aerobic exercises. You perform aerobic exercises for a sustained period of time.
Explanation:
Aerobic exercise is physical exercise of low to high intensity that depends primarily on the aerobic energy-generating process. "Aerobic" is defined as "relating to, involving, or requiring free oxygen", and refers to the use of oxygen to adequately meet energy demands during exercise via aerobic metabolism
Why is visible light safe to humans ?
Explanation:
Visible light is the range of electromagnetic waves that humans can see. Anything that glows or gives off light makes waves of what we call visible light. The sun, light bulbs, candles and fire are all things that people automatically think of when it comes to light, but visible light comes from many sources and in many colors. Some other sources of visible light include: television and computer screens, glow sticks, and fireworks
Answer:
Visible light is visible because most of the gases in planetary atmospheres (oxygen, nitrogen, carbon dioxide, methane, ammonia…) are transparent to those wavelengths. We evolved to see those wavelengths because the atmosphere in visible light is transparent.
Explanation:
A racecar's motion is shown in the graph. If the race car begins moving faster how old a line on the graph change?
A. It would become steeper
B.It would become horizontal
C.It woukd go down instead of up
D.It would go up and then go down
Which shows the correct lens equation?
Answer:
The inverse of f equals the inverse of d Subscript o Baseline plus the inverse of d Subscript I Baseline.
Explanation:
Explanation:
Answer: The answer is most likely the first one, but I may be wrong.
Explanation:
Write the theory of lightning
Answer:
Lightning is a discharge of electricity. A single stroke of lightning can heat the air around it to 30,000°C (54,000°F)! This extreme heating causes the air to expand explosively fast. The expansion creates a shock wave that turns into a booming sound wave, which is thunder.
Explanation:
:)
What is the quantity measured in newton seconds?
Explanation:
The newton-second (also newton second; symbol: N⋅s or N s)[1] is the derived SI unit of impulse. It is dimensionally equivalent to the momentum unit kilogram-metre per second (kg⋅m/s). One newton-second corresponds to a one-newton force applied for one second.
Newton-second
Impuls Masse Geschwindigkeit.svg
For two objects moving with the same velocity (v), the object with the greater mass (m) will have the greater momentum (p).
A horizontal pipe of diameter 0.933 m has a smooth constriction to a section of diameter 0.5598 m. The density of oil flowing in the
pipe is 821 kg/m3. If the pressure in the pipe is 7220 N/m2 and in the constricted section is 5415 N/m2, what is the rate at which oil is flowing?
Answer in units of m3/s.
Answer:s
Explanation:
Of the following, the greatest gravitational force would occur between
A) a marble and a baseball 5 meters apart .
B) a loaded freighter on the high seas and Earth.
C) the moon and an astronaut standing on the moon.
D) the moon and Earth.
The greatest gravitational force would occur between the moon and Earth. The correct option is D.
What is Gravitation?The force of gravity, also known as gravitation, affects every material object in the universe. The force of gravity tends to draw any two objects or particles with nonzero mass toward one another. Gravity operates on objects of all sizes, from subatomic particles to clusters of galaxies.
The two forces, which are equal in strength and move in the opposite direction, pair up to interact with various objects. As a result, the pull of Earth on the Moon is equal to and opposes the pull of the Moon on Earth.
Amongst the given options the greatest force is between the moon and the earth.
Hence, the greatest gravitational force would occur between the moon and Earth. The correct option is D.
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what are the 3 types of family goals
calculate the extra pressure when you are 10 meters under water. (density of water = 1000 kg/m3, g = 9.8 N/kg). Give a value only
Answer:
[tex]2.03\times 10^5\ Pa[/tex]
Explanation:
We need to find the extra pressure when you are 10 meters under water. The net pressure on us is given by :
[tex]P=P_o+\rho gh\\\\P=1.05\times 10^5+1000\times 9.8\times 10\\\\P=2.03\times 10^5\ Pa[/tex]
So, [tex]2.03\times 10^5\ Pa[/tex] is exerted on us at 10 m under water.
a boy of mass 40kg and a girl of mass 30kg play on the seesaw of negligible weight. if the boy sits 270cm from the pivot of the seesaw, where must the girl sit to make it balance
Answer:
The answer is 360
Explanation:
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HELP AGAIN 10 POINTS
What is the man’s weight on Mars where the acceleration due to gravity is 3.7 m/s2?
Answer:
8.14n in mars
Explanation:
gravitational
