The local newspaper has published the passage below. Last week, scientists released incredible images of aurora australis, known as the northern lights, as seen from the Hubble telescope. The Hubble telescope was placed in orbit in 1990 by the space shuttle and has since delivered the sharpest images we have of our planet, our galaxy, and the universe. The images delivered last week show the beautiful display of lights in the southern hemisphere. These lights are the result of the solar activity known as solar wind. Traces of solar wind reach well beyond Earth and have been detected as far as Saturn. Which statement in the news passage above is inaccurate
Answer:
The statement as aurora australis known as northern lights is incorrect. As the designation of aurora australis is for the southern lights i.e. which occur in the southern hemisphere.
Explanation:
Aurora or natural lights is a phenomenon that occurs at the poles of the Earth due to interaction between the Earth's magnetic field and cosmic rays. This interaction results in the beautiful display of colors on both poles. These are named, aurora borealis or aurora australis depending on their geographical location. If they occur on the northern pole they are termed as aurora borealis while those occurring on the southern pole are named aurora australis.
Answer:
C. The aurora australis is known as the northern lights.
Explanation
The answer on edge
I REALLY NEED HELP!!
The velocity of a car increases from +4.0 m/s to +16.0 m/s
in a time period of 4.0 s. What was the average
acceleration?
Answer:
Explanation:
Although we do have an equation for this in terms of one-dimensional motion, it's easy enough just to use the mathematical definition of acceleration:
[tex]a=\frac{v_f-v_0}{t}[/tex] which says, in words, the acceleration of an object is equal to the objects final velocity minus its initial velocity, divided by the change in time. Since everything is given in m and s, our answer will be in m/s/s:
[tex]a=\frac{16.0-4.0}{4.0}[/tex] and
[tex]a=\frac{12.0}{4.0}[/tex] so
a = 3.0 m/s/s
HEEEEEEELLLLLPPPPPPP 20 points and Brainliest
Why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis?
Select ALL that apply
a
To reduce signal interference
b
To protect the information from Aliens
c
Data is analyzed on a computer
d
To make the data safe to analyze
Answer:
C. Data is analyzed on a computer
Explanation:
Computers can analyze electrical signals, not radio signals. This means that the radio waves need to be converted to electrical signals to help the computer analyze the data.
How do I solve this arithmetic sequence?
Answer:
The 16ᵗʰ term of this sequence is 82
Step-by-step explanation:
Here,
First Term = a₁ = 9
Common Difference = (d) = 2
Now, For 16ᵗʰ term, n = 16
aₙ = a + (n - 1)d
a₁₆ = 7 + (16 - 1) × 2
a₁₆ = 7 + 15 × 5
a₁₆ = 7 + 75
a₁₆ = 82
Thus, The 16ᵗʰ term of this sequence is 82
-TheUnknownScientist
Earth is protected from meteorites by... (please help T-T 10 points)
a. the Moon
b. the atmosphere
c. other planets
d. the Sun
2. When braking and turning, you use ___?
a. All four wheels of traction
b. Only the outside edge of your tires
c. Split traction
d. Additional traction
Answer:
split traction
Explanation:
What is happening when an oxygen molecule is formed from two separate oxygen atoms?
Two from each oxygen atom. For examples of covalent bonding are water (H2O), and carbon dioxide (CO2). Covalent compounds are mostly gases or liquids with low melting points.
______is when different species live in close association.
Answer:
Symbiosis
Explanation:
When you have a symbiotic relationship, it is between two or more organisms of different species.
A cruise ship travels across a river at 25 meters per minute. If the river is 6200 meters wide, how long
does it take the ship to reach the other side.
Answer:
248 minutes
Explanation:
6200/25=248
This means there is 248 25s in 6200
which means it will take 248 minutes to travel through the river
Also here's a neat trick:
The units for speed is meters/minute
The units for distance is meters
Dividing distance by speed will cancel out the meters and leave only the speed.
Can someone Please help me ?
Would the following reaction be endothermic or exothermic? Why?
CH4 + 02 --> CO2 + H2O + Energy
A. Exothermic because energy is a reactant
B. Endothermic because energy is a reactant
C. Endothermic because energy is a product
D. Exothermic because energy is a product
Answer:
Exothermic because energy is a product
Explanation:
Since energy is a product, heat was released, meaning that the reaction is exothermic.
Explain retrograde motion and why it confused early astronomers as they viewed the motion of objects in the sky.
Answer:
Explanation:
Retrograde motion in astronomy is, in general, orbital or rotational motion of an object in the direction opposite the rotation of its primary, that is, the central object (right figure). It may also describe other motions such as precession or nutation of an object's rotational axis. Prograde or direct motion is more normal motion in the same direction as the primary rotates. However, "retrograde" and "prograde" can also refer to an object other than the primary if so described. The direction of rotation is determined by an inertial frame of reference, such as distant fixed stars.
Retrograde motion occurs when a planet far from another planet and from which it is seen rotates at lower speed, creating the impression that it is "retrograding" with respect to the other planet.
Early astronomers get confused as they viewed the motion in the sky because they tried to explain it in terms of the geocentric theory.
Let suppose that we have a planetary system formed by a star and two planets rotating uniformly around the star. Besides, we assume that both planets are rotating at different velocities, and that planet A is more far away from the star than planet B, then the velocity of the planet A relative to planet B is:
[tex]\vec v_{A/B} = \vec {v}_{A}- \vec {v}_{B}[/tex] (1)
A retrograde motion of planet A occurs when [tex]\|\vec v_{A/B}\|\ne 0[/tex] and if [tex]\|\vec v_{A}\| < \|v_{B}\|[/tex] at least. In other words, retrograde motion exists when speed of planet A is less than speed of planet B, creating the impression that planet A is "retrograding" with respect to planet B. This question is easy to solve and to explain by considering the star as an inertial framework, base of the heliocentrical model.
Early astronomers were confused and unable to explain the phenomenon due to their adherence to geocentrical model, which assumed the Earth was the center of the solar system.
We kindly invite to check this question on retrograde motion: https://brainly.com/question/13586212
State the relationship between the pressure and the volume
volume increases with decrease in pressure
Explanation:
pressure and volume are inversely proportional. if volume increases the,pressure decreases and vice versa ,where temperature is kept constant
explain the motion of a ball bearing falling through a viscous liquid
Answer:
its acceleration decrease because of the force acted upon by the viscous liquid
MIDDLE SCHOOL: What are the three types of energy used when cleaning? (Please write them in order of occurrence)
Answer:
Chemical, mechanical, thermal i guess
Which of the following explanations is correct about the wave that travels through the medium?
A. The vibration that produced the wave must have been perpendicular to the direction of motion of the resulting wave, because the figure shows that the resulting wave is a longitudinal wave.
B. The vibration that produced the wave must have been perpendicular to the direction of motion of the resulting wave, because the figure shows that the resulting wave is a transverse wave.
C. The vibration that produced the wave must have been parallel to the direction of motion of the resulting wave, because the figure shows that the resulting wave is a longitudinal wave.
D. The vibration that produced the wave must have been parallel to the direction of motion of the resulting wave, because the figure shows that the resulting wave is a transverse wave.
All objects in our solar system orbit the Sun. How is the movement of planets like
Earth around the Sun different than that of comets traveling around the Sun?
PLEASE HELP I WILL GIVE BRAINLIEST JUST PLEASE PLEASE HELP
Answer:
planets move in elliptical orbit.
Explanation:
this is because planets are formed closer to the sun while the comets are formed further.
The Sun is home to 99.85% of all stuff in the Solar System.All objects in our solar system orbit the Sun.The movement of planets is elliptical in nature.
What is solar system?Our solar system consists of the Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, as well as the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
It consists of the planets' satellites, as well as numerous comets, asteroids, and meteoroids, as well as the interplanetary medium. The Sun is home to 99.85% of all stuff in the Solar System.
The movement of planets is elliptical due to the fact that planets are present closer to the sun while the comets are present farther away from the sun as compared to the planets.
Hence the movement of planets is elliptical in nature.
To learn more about the solar system refer to the link;
https://brainly.com/question/12075871
how dose storing waste underground can be effected by ground water in aquifers
Answer:
it can contaminate the water
Explanation:
I hope this helps ;)
Another child is on a swing next to the first. This child has a mass of 48 kg and a maximum kinetic energy of 3800 J. What is the velocity of this child?
Answer:12.583m/s
Explanation:
[tex]KE=\frac{1}{2}mv^{2}[/tex]
[tex]3800=\frac{1}{2}(48)v^{2}[/tex]
[tex]\frac{3800}{24}=v^{2}[/tex]
[tex]\sqrt{158.33} = v\\12.583m/s=v[/tex]
Write your question here (Keep it simple and clear to get the best answer) a car accelerates uniformly from an initial velocity of 10m/s at 2m/s squre for 4s.What is the average velocity
Answer:
Average velocity = 18 m/s
Explanation:
Given the following data;
Initial velocity = 10m/s
Acceleration = 2m/s²
Time = 4 seconds
To find the average velocity, we would use the first equation of motion;
[tex] V = U + at[/tex]
Where;
V is the final velocity.
U is the initial velocity.
a is the acceleration.
t is the time measured in seconds.
Substituting into the equation, we have;
V = u + at
V = 10 + 2*4
V = 10 + 8
V = 18 m/s
Determine whether the interference is constructive or destructive at each location indicated.
A.constructive or destructive
B. constructive or destructive
C. constructive or destructive
D. constructive or destructive
Answer:
A. Constructive
B. Destructive
C. Destructive
D. Constructive
Explanation:
Constructive interference takes place at locations along the path of two superposed waves where the waves are in phase such that a high or low point of one of the waves corresponds with a high or low point of the other wave which gives a resulting wave amplitude which is the sum of the amplitudes of the individual waves
Destructive interference takes place at locations along the path of two superposed waves where one wave is out of phase with the other wave such that a high or low point of one of the waves coincides with a low or high point of the other wave respectively thereby cancelling the effect of the other wave and giving a resulting wave that has an amplitude which is the difference in the amplitudes of the individual waves
Therefore;
At point A, the peak of each wave partially coincides resulting in constructive interference
At point B, the peak of the blue wave and the trough of the red wave partially coincides resulting in destructive interference
At point C, the through of the blue wave and the peak of the back wave partially coincides resulting in destructive interference
At point D, the trough of each wave partially coincides resulting in constructive interference.
For this problem, you will only be concerned with the geometric aspects of thin-film interference, so ignore phase shifts caused by reflection from a medium with higher index of refraction. (Because of the structure of a butterfly's wings, such phase shifts do not contribute much to what you actually see when you look at the butterfly.) Part A Assume that light is incident normal to the surface of a film of thickness d. How much farther does the light reflected from the back surface travel than the light reflected from the front surface
Answer:
Λ = 2 t
Explanation:
This is a problem is interference by reflection, where it is requested not to take into account the changes of phase and change in the wavelength within the film
λₙ = λ₀ / n
When the wave enters the film, it must reach the end of the film, be reflected and reach the initial surface, therefore the total length is
d = 2 t
where t is the thickness of the film, because the film is perpendicular to the surface
therefore the difference in optical path between the reflected ray on the surface and the end film is
Λ = 2 t
how does the input distance of a third-class lever compare to the output distance
Answer:
A first-class lever: fulcrum is between input and output force; second-class lever: output force is between input force and fulcrum; third-class lever: input force is between fulcrum and output force
Calculate frequency if wavelength is 35 m and wave speed is 546 m/s.
25.6 Hz
15.6 Hz
390 Hz
.06 Hz
One of the most dangerous side effects of an erupting volcano is a
Answer:
One of the most deadly effects of a volcano is the ash coming from the eruption, which carries poisonous gases that are harmful to humans, plants, and animals alike.
Explanation:
:))))))))
You and your younger sister (who weighs half as much you do) are at a skating rink. You are both wearing roller skates and are facing each other. What will happen to your and your sister's motion if you push against each other?
Question 1 options:
You move forward and your sister moves backward at a faster rate.
You both move forward, but you accelerate at a greater rate.
You move backward and your sister moves forward at a faster rate.
You both move backward but your sister accelerates at a greater rate.
Question 2 (1 point)
You are standing, completely still, on a completely flat floor. Why do you stay as you are instead of flying into the air?
Question 2 options:
There are no forces acting on you or the floor.
Forces are only acting on the floor.
All of the forces acting on you are balanced.
You are exerting an unbalanced force on the floor.
Question 3 (1 point)
A baseball is thrown at 90 mph from east to west over a distance of 60 ft. What is true of the ball's motion?
Question 3 options:
Its speed is 90 mph to the west.
Its acceleration is 30 mph.
Its velocity is 90 mph to the west.
Its acceleration is 150 mph.
Question 4 (1 point)
A box is pushed 7 m to the left in 3 s. What is the block's average speed to the nearest tenth?
Question 4 options:
2.33 m/s
0.43 m/s
2.3 m/s
0.4 m/s
Question 5 (1 point)
graph
On a graph of distance vs. time, what is true of the motion of the object during its first 6 m of travel?
Question 5 options:
The object was moving at a constant speed.
The object was accelerating.
The object was not moving.
The object was northbound.
Answer:
It is D
Explanation: Use of these terms stretches back to World War I. One American field order from September 1918 noted, “The First Army will attack at H-Hour on D-Day with the object of forcing the evacuation of the St. Mihiel salient.” Other nations had their own shorthand. In World War I, the French used the code date “le Jour J,” while the British called their operation start days “Z-Day” and “Zero Hour.”
Hope this helps
You and your younger sister (who weighs half as much you do) are at a skating rink. You and your sister's both move backward but your sister accelerates at a greater rate.
What is acceleration?The time rate of change of velocity with time.
As both are holding each other, they will be pushed backwards because the skating they wear makes them to move backwards. The equal and opposite force is applied on each other.
The force F =mass x acceleration.
The lesser mass greater will be the acceleration. Your sister with half weight of yours will accelerate more.
Thus, you and your sister's both move backward but your sister accelerates at a greater rate.
Learn more about acceleration.
https://brainly.com/question/12550364
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The distance between the two nearest points on a wave where the particles are in phase is 2 m. What is the wavelength of the wave?
A. 1/2 m
B. 1 m
C. 2 m
D. 2 seconds
E. none of these
Answer:
Suppose that the wave equation is:
f(x) = A*cos(k*x)
The wave is in phase for two points x₁ and x₂ if:
f(x₁) = f(x₂)
And if these points are consecutive (for example, two consecutive peaks) then the wavelength of the wave is:
wavelength = x₂ - x₁
In this case, we know that the wave is in phase for two points that are 2 m apart.
Then we can use the points:
x₁ and x₂ such that:
x₂ = x₁ + 2m
We also know that these are the nearest points such that this happens, then we can assume that the points are consecutive.
Then the wavelength will be:
wavelength = x₂ - x₁ = (x₁ + 2m) - (x₁) = 2m
Then the wavelength is 2m.
The correct option is C.
The world's longest continuous mountain ridge is under the ocean.
True
False
Please hurry!!!
Answer:
True
Explanation:
NO LINKS!!!!!! Help its urgent, PLEASE HELP!!!!!!!!!!!!!!!!
Answer:
I think ur answer would be B
Explanation:
srry if wrong
hope this helps
Explain how surface waves can have characteristics of both longitudinal waves and transverse waves. Please use 3 content related sentences
Answer:
they can have both ways because it turns out that they can go into different ways light waves are associated with constantly like her to certain ways or
most people use the term light waves when they usually mean visible light in physics however these terms like veins are trying to be used as a synonym of electronic waves electric razor made of skull in magnetic and electric field like always they carry energy