The diagram shows the layers of the Sun. Which labels correctly identify the layers most closely associated with gamma rays and visible light?
Z: Gamma rays
X: Visible light
X: Gamma rays
Z: Visible light
Z: Gamma rays
Y: Visible light
Y: Gamma rays
Z: Visible light
Answer:
Z: Gamma rays
X: Visible light
Explanation:
A close look at the diagram attach shows the core of the sun and then the external surface.
Gamma rays are intricately associated with the nuclear reactions that go on in the core of the sun that makes it to produce light. Hence Z must refer to gamma rays emitted in these nuclear processes at the core of the sun.
Visible light is given out by the sun and seen externally. Hence X is visible light.
What is the approximate range of wavelengths for visible light?
What happens to the efficiency of a ramp if friction is reduced?
Using what you know about newton's second law explain why a car with a lager mass use more fuel than a car with a smalle mass. assume both car dreive the same distance
True or false canvassing is an approach used to justify leads!!!hurry
1) Back on the beach the following day, Clay notices that the waves propelling towards the beach have a period of 6 s. If the wave crests are 15 m apart what is the speed at which they are traveling?
2) Barry Manilow is playing a concert. Having purchased your ticket so late you are sitting in the back row 184 m from the stage. If Barry hits a note on his keyboard that has a frequency of 400 Hz, how many full sound wavelengths are there between you and Barry? How much is the time delay between the time the note is played and the time you hear the note?
3) find the frequency of the ultrasonic wave emitted by a bat if it has a wavelength of 0.0085 m
4) A "wave" in a football stadium has a period of 2 seconds. If the crests between these " waves" measure 20 m, what is the speed at which the "wave" is traveling?
What is the difference between AM radio waves and FM radio waves?
A-AM waves travel short distances along the Earth’s surface; FM waves travel farther.
B-An AM wave varies in amplitude; an FM wave varies in frequency.
C-FM waves are better reflected by particles in the Earth’s atmosphere.
D-An FM wave varies in amplitude; an AM wave varies in frequency.
In object moving at 30 M/S takes five seconds to come to a stop what is the objects acceleration
When you drive along the right-rear side of another vehicle, you are ______________?
When you drive along the right-rear side of another vehicle, you are in one of the driver's blind spots and in danger of a collision.
what is driving?Driving is the controlled operation and movement of a vehicle, including cars, motorcycles, trucks, buses, and bicycles.
The most critical thing to do before you pass another vehicle is check to the right side. It is also very important never to drive faster than the the speed limit, or at a speed that is unsafe for the current traffic,
weather or road condition in order to pass other vehicles. The law requires you to only pass other vehicles on the left (using the left lane). This is why you should check the right side.
Hence when you drive along the right-rear side of another vehicle, you are in one of the driver's blind spots and in danger of a collision.
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Which statement best compares conduction, convection, and radiation?
Convection and radiation transfer thermal energy through matter only, and conduction transfers thermal energy through both matter and empty space.
Radiation and conduction transfer thermal energy through matter only, and convection transfers thermal energy through both matter and empty space.
Convection and conduction transfer thermal energy through matter only, and radiation transfers thermal energy through both matter and empty space.
Conduction, convection, and radiation transfer thermal energy through both matter and empty space.
In conduction mode of heat transfer energy is transferred through medium molecules by their vibration about their own position. SO here medium particles remain at their own position while energy is transferred from one point to other
In convection mode of heat transfer the heat is carried by the medium molecules from one place to other. So here medium moles itself transfer with the energy.
In radiation mode heat energy is transferred through electromagnetic waves so there is no medium required for this.
So correct answer is
Convection and conduction transfer thermal energy through matter only, and radiation transfers thermal energy through both matter and empty space.
Convection and conduction transfer thermal energy through matter only, and radiation transfers thermal energy through both matter and empty space.
You must raise the weight to a height of 10 meters. You cannot do it! Thinking back to what you have learned in science class, you set up the pulley you see here. How does using this pulley reduce the force needed to lift the weight 10 meters?
Answer:
C.The amount of force stays the same; the direction changes. You pull down to move something up.
Explanation:
i got it right so trust me. if you dont ur loss
A 30w light bulb uses 600J of electrical energy in a certain period of time. In that time , it produces 450 J of light energy. The rest of the energy is wasted calculate the efficiency of the light bulb
The efficiency of the light bulb is 75%.
Calculating The Efficiency Of A Light Bulb.
To calculate the efficiency of the light bulb, you can use the following formula:
Efficiency (%) = (Useful Energy Output / Total Energy Input) * 100
In this case:
- Useful Energy Output is the light energy produced, which is 450 J.
- Total Energy Input is the electrical energy used, which is 600 J.
Efficiency (%) = (450 J / 600 J) * 100 = (3/4) * 100 = 75%
So the efficiency of the light bulb is 75%. This means that 75% of the electrical energy input is converted into useful light energy, while 25% is wasted as other forms of energy, such as heat.
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99 POINTS!!!
Why do people on Earth see only one side of the Moon when the Moon is visible in the sky?
A. The Moon does not rotate.
B. The Moon does not revolve.
C. The Moon and Earth rotate at the same rate.
D. The Moon rotates and revolves at the same rate.
Hello!
I believe the answer is C) The Moon and Earth rotate at the same rate. The moon and the earth rotate at the same rate. Meaning that the moon orbits the earth in 27.322 days. It also takes approximately 27 days for the moon to rotate once on its axis. So as a result, the moon does not seem to be spinning, but appears to observers from Earth to be keeping almost perfectly still.
I hope it helps!
Difference between duracell and interstate golf cart batteries
Final answer:
The Duracell and Interstate brands offer golf cart batteries with differences in performance, battery life, and maintenance needs. While Duracell is known for reliable and long-lasting power, Interstate emphasizes build quality and has a strong support network. The choice depends on user preferences and cart compatibility.
Explanation:
The Duracell and Interstate brands offer golf cart batteries, with distinctions that can influence a consumer's choice. Duracell batteries are known for their long-standing reputation in battery reliability and performance. They typically provide a range of batteries for various applications, including golf carts, with attention to long-lasting power and durability. On the other hand, Interstate batteries boast top-quality construction and are also very reliable, with a strong presence in the automotive battery market. Consumers may find differences in the specifications such as battery life, maintenance requirements, performance under varying conditions, and price between the two brands.
When choosing between Duracell and Interstate golf cart batteries, one should consider factors such as the type of battery (flooded lead-acid vs. AGM), capacity, cycle life, maintenance needs, and warranty offered by the manufacturer. Duracell generally offers a reliable and consistent performance, while Interstate emphasizes build quality and has a strong distribution network for customer support. Ultimately, the decision should be based on the specific needs and preferences of the user, as well as the compatibility with their golf cart model.
How would your kidneys likely respond to the ingestion of too much soda (such as Pepsi)?
Answer:
This would increase the formation of the NH3 buffer.
Explanation:
This would increase the formation of the NH3 buffer. Since Pepsi has acid in it, it would cause the kidneys to reabsorb bicarbonate from the urine leading to an increase in the formation of the NH3 buffer.
An object is attached to a vertical spring and bobs up and down between points a and
b. where is the object located when its kinetic energy is a minimum?
When two pulses meet up with each other while moving through the same medium, they have a tendency to bounce off each other and return back to their origin?
In electromagnetic induction, does the direction of the magnet’s motion influence the direction of the induced current?
a cheetah can run from 0 to 70 mph in 2.2 seconds. what is the cheetah's acceleration in m/s?
The acceleration of a cheetah that can increase its speed from 0 to 70 mph in 2.2 seconds is 14.224 m/s² after converting the velocity into meters per second.
Explanation:To calculate the acceleration of a cheetah that can go from 0 to 70 mph in 2.2 seconds, we first need to convert the speed from miles per hour (mph) to meters per second (m/s). The conversion factor is 1 mph = 0.44704 m/s. So, 70 mph is equivalent to 70 × 0.44704 m/s, which equals 31.2928 m/s. According to the formula for acceleration (a), which is the change in velocity (Δv) divided by the time (Δt), the cheetah's acceleration would be:
a = Δv / Δt = (31.2928 m/s - 0 m/s) / 2.2 s = 14.224 m/s²
Therefore, the cheetah's acceleration is 14.224 m/s².
Building up electric charges on a Van de Graaff generator is an example of static
Static electricity is shown by building up electric charges on a Van de Graaff generator. Given statement is correct.
What is static electricity?The imbalance of electric charges within or on the surface of a substance, or between materials, is known as static electricity.
Static electricity is generated by Van de Graaff generators. Static does not include acceleration, implying that it is stationary, which pertains to the formation of electric charges.
Static electricity is shown by building up electric charges on a Van de Graaff generator.
Hence,given statement is correct.
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If the concentration of sn2+ in the cathode compartment is 1.50 m and the cell generates an emf of 0.24 v , what is the concentration of pb2+ in the anode compartment?
Answer:
4.8*10^-8M
Explanation:
To determine the concentration of Pb2+ in the anode compartment, we can use the Nernst equation. By rearranging the Nernst equation and plugging in the given values, we can calculate the concentration of Pb2+ in the anode compartment.
Explanation:To determine the concentration of Pb2+ in the anode compartment, we need to use the Nernst equation. The Nernst equation relates the cell potential to the concentration of ions in each compartment of the cell. It is given by: Ecell = E°cell - (0.0592/n) × log([Pb2+]/[Sn2+]), where Ecell is the cell potential, E°cell is the standard cell potential, [Pb2+] is the concentration of Pb2+ in the anode compartment, [Sn2+] is the concentration of Sn2+ in the cathode compartment, and n is the number of electrons transferred in the balanced redox reaction.
In this case, the cell potential is 0.24 V, [Sn2+] is 1.50 M, and n is 2 (since it is a Sn2+/Pb2+ redox reaction). Therefore, the equation becomes: 0.24 = E°cell - (0.0592/2) × log([Pb2+]/1.50). We can rearrange this equation to solve for [Pb2+]: [Pb2+] = (10^((E°cell - 0.24) × 2 / 0.0592)) × 1.50.
If a cell phone is dropped from a very tall building, how far has the phone fallen after 2.7 seconds, neglecting air resistance?
The phone has fallen approximately 36.621 meters after 2.7 seconds.
Explanation:In order to determine how far the phone has fallen after 2.7 seconds, we can use the equation of motion: s = ut + (1/2)at², where s is the distance, u is the initial velocity, t is the time, and a is the acceleration. Since the phone is dropped from rest, its initial velocity is 0 m/s. Neglecting air resistance, the only force acting on the phone is gravity, which accelerates it at a rate of 9.8 m/s². Plugging in the values, we get:
s = (0)(2.7) + (1/2)(9.8)(2.7)²
s = 36.621 m
Therefore, the phone has fallen approximately 36.621 meters after 2.7 seconds.
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Practicing good human relations skills and having a positive attitude will
If you practice good human relation skills then you will be more happy, be open, talk more, you will think more positive and a lot more. (these are just some examples)
Hope this will help someone! ;)
A baseball has a mass of 145 g A bat exerts a force of 18400 N on the ball what is the acceleration of the ball
what can you tell about the hydrogen/hydroxide ion concentration of the unknown liquid
An experiment yielded the above temperature and time information. what is the freezing point of the material in this experiment if the material is a solid at time zero?
What is not a similarity between symbolic and analogical representations
Answer:
(1) Physical characteristics different.
(2) Difference in direct relation of mental picture with the real object.
Explanation:
There are the points which describe the non similarities between symbolic and analogical representation:
Analogical representation is the representation that can share some of its physical characteristics with an object whereas symbolic representation is the representation which does not corresponds to physical characteristics of an object.In analogical representation, mental picture have direct relation to the actual object whereas in symbolic representation, mental picture does not have direct relation with an object.A person starts walking at a constant speed of 2.3 m/s in a straight line from point A to point B . At point B, she turns around and walks back to point A at a speed of 1.1 m/S. What was her average speed for the entire trip in m/s?
To calculate the average speed of the person's entire trip, you would use the formula of total distance divided by total time. In this scenario, the total distance is twice the distance from point A and B, and the total time is the sum of the times taken to walk from A to B and back.
Explanation:The question is asking about the concept of average speed, which in physics is defined as the total distance travelled divided by the total time taken. In this case, the subject walks from point A to B and then retraces her steps back to A.
Since she's retracing her exact path, the total distance travelled is essentially twice the distance from A to B. The total time taken is the time taken to walk from A to B plus the time taken to walk back.
Firstly, we would determine the time taken for each leg of the journey by dividing the distance, say 'd', by her speed. However, since we don't have a specific distance given, we can use variables.
Let's say the time taken to travel from A to B is 't1' (d/2.3) and from B to A is 't2' (d/1.1).
Her total journey time 'T' is the sum of 't1' and 't2'. To get the average speed, we divide the total distance travelled (which is '2d') by 'T'. This would give us an equation that represents her average speed for the entire trip.
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A person starts walking at a constant speed of 2.3 m/s in a straight line from point A to point B. At point B she turns around and walks back to point A at a speed of 1.1 m/s
Let distance between A and B be s.
When she goes from A to B,
Time taken = Distance travelled/ Speed
= s/ 2.3
When she goes from B to A,
Time taken= Distance travelled/ Speed
= s/1.1
Total distance travelled= s+s= 2s
Total time taken:
= s/2.3+s/1.1
=1.1s+2.3s/1.1*2.3
=3.4s/2.53
Average speed= Total distance/ Total time
= 2s / (3.4s/2.53)
= 1.48 m/s
Therefore, the average speed of the whole journey is 1.48 m/s.
A beaker containing mercury is placed inside a vacuum chamber in a laboratory. the pressure at the bottom of the beaker is 26000 pa. what is the height of the mercury in the beaker? the acceleration of gravity is 9.81 m/s 2 .
What are the relative positions of the sun moon and earth during a full moon?