Answer:
Helium nuclei will split to form hydrogen and the sun will no longer release energy.
Explanation:
:)
When all the hydrogen in the sun has gone for fusion, helium nuclei will split to form hydrogen and the sun will continue to release energy.
What is nuclear fusion?The term nuclear fusion has to do with the combination of two or more nuclei to obtain a larger nuclei with the emission of a tremendous amount of energy.
Hence, when all the hydrogen in the sun has gone for fusion, helium nuclei will split to form hydrogen and the sun will continue to release energy.
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Why did Kenyatta want to distance himself from the Mau Mau? Check all that apply.
They had no desire for independence.
The British were determined to crush the rebellion.
They were criminals and made achieving independence more difficult.
They were led by his political rivals.
They were members of the Kikuyu.
Answer:
The British were determined to crush the rebellion.
They were criminals and made achieving independence more difficult.
Explanation:
Mau-mau were rebellions and wanted to push out British and other Europeans out of Kenya. Mau mau were also the members of the Kikuyu and were making independence more difficult, due to their rebellion attitude. They were a secret society of Kikuyu.
2) The British were determined to crush the rebellion.
3) They were criminals and made achieving independence more difficult.
After British victory in World War II, Kenyatta received a request to return to Kenya in September 1946, sailing back that month. He decided not to bring Edna—who was pregnant with a second child —with him, aware that if they joined him in Kenya their lives would be made very difficult by the colony's racial laws. On his arrival in Mombasa, Kenyatta was greeted by his first wife, Grace Wahu and their children. He built a bungalow at Gatundu, near to where he was born, and began farming his 32-acre estate.
(a) The British were determined to crush the rebellion.
(b) They were criminals and made achieving independence more difficult.
What is the desire of Kenyatta?Mau-mau were rebellions and wanted to push out British and other Europeans out of Kenya. Mau mau were also the members of the Kikuyu and were making independence more difficult, due to their rebellion attitude. They were a secret society of Kikuyu.
2) The British were determined to crush the rebellion.
3) They were criminals and made achieving independence more difficult.
After British victory in World War II, Kenyatta received a request to return to Kenya in September 1946, sailing back that month. He decided not to bring Edna—who was pregnant with a second child —with him, aware that if they joined him in Kenya their lives would be made very difficult by the colony's racial laws.
On his arrival in Mombasa, Kenyatta was greeted by his first wife, Grace Wahu and their children. He built a bungalow at Gatun, near to where he was born, and began farming his 32-acre estate.
Thus the British were determined to crush the rebellion.They were criminals and made achieving independence more difficult.
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1. A wave travels at 1,500 m/s with a frequency of 5 hertz. What is its wavelength?
a. 7,500 m
b. 1,505 m
c. 300 m
d. 1,495 m
2. Humans can hear thunder at different frequencies. These correspond to wavelengths ranging from 2.75 to 16.5 meters. If the speed of sound is approximately 330 m/s, what frequencies of thunder can humans hear?
a. 2.75 to 16.5 hertz
b. 907.5 to 5,445 hertz
c. 20 to 120 hertz
d. 0.0083 to 0.05 hertz
3. Two similar waves X and Y travel through the same medium. Wave X has a frequency of 200 hertz and a wavelength of 35 meters. Wave Y has a frequency of 700 hertz. What is the wavelength for wave Y?
a. 4,900,000 meters
b. 122.5 meters
c. 0.1 meter
d. 10 meters
4. California sea lions communicate underwater at frequencies ranging from 500 to 4,000 hertz. The speed of sound in sea water is approximately 1,500 m/s. What are the approximate wavelengths of sound with which the California sea lions communicate?
a. 750,000 to 6,000,000 meters
b. 0.375 to 3 meters
c. 2,000 to 5,500 meters
d. 0.33 to 2.66 meters
With the use of wave speed formula, below are the answers to the questions
1. C
2. C
3. D
4. B
All the question centered on wave speed, wavelength and wave frequency. The relationship between these three quantities is;
wave speed = wavelength x frequency
That is,
V = Fλ
1. The given parameters are;
V = 1,500 m/s
F = 5 Hz
wavelength λ = V/F = 1500/5 = 300 m
2.) Given that the wavelengths ranging from 2.75 to 16.5 meters and the speed of sound is approximately 330 m/s
When wavelength = 2.75 m
F = V/ λ = 330 / 2.75 = 120 Hz
When wavelength = 16.5 m
F = V/ λ = 330 / 16.5 = 20 Hz
Therefore, the frequencies of thunder humans hear ranges from 20 Hz to 120 Hz
3.) Since the two waves are similar, they will be travelling at the same speed. That is,
Wave speed of X = Wave speed of Y
For wave X and Y respectively;
F = 200 Hz and 700 Hz
λ = 35 m and λm
Find λ of Y by equating the two wave speed. That is,
Fλ for X = Fλ for Y
200 x 35 = 700 λ
λ = (200 x 35)/ 700
λ = 7000 / 700
λ = 10 m
Therefore, The wavelength for wave Y is 10 m
4.) Given that the sea lions frequencies are ranging from 500 to 4,000 hertz. And the speed of sound in sea water is approximately 1,500 m/s
By using the same formula,
V = Fλ
Make wavelength the subject of formula
λ = V / F
When F = 500 Hz
λ = 1500/500 = 3 m
When F = 4000 Hz
λ = 1500/4000 = 0.375 m
Therefore, the approximate wavelengths of sound with which the California sea lions communicate is of the range 0.375 m to 3 m
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What is the kinetic energy of a go kart with a mass of 150 kilograms and a speed of 20 m/s?
Answer:
Kinetic Energy = 1/2mv^2
Kinetic Energy = 1/2(150 kg)(20 m/s)^2
Kinetic Energy = 75 kg(400 m/s)
Kinetic Energy = 30000 J
Let me know if this helps!
PLEASE HELP! ASAP
During which process is radiation given off by isotopes with unstable atomic
nuclei?
A. Nuclear fusion
B. Chemical decay
C. Radioactive decay
D. Nuclear fission
Answer:
C. Radioactive decay
Explanation:
Answer:
Radioactive Decay
Explanation:
Ap3x
formula for work done
Answer:
Work = Force × Distance
-----------------------------------
hope this helps :)
Help!! I don’t know what to do
Answer:
Ok so I think i got it, Left is negative and so is down so if its facing down or left its negative force but if its right and up its positive so
A is neg
B is pos
C is Pos
D is Neg
E is Neg
f is Neg
Explanation:
hope that helps and have a great day
if it helps think about giving a good rating and branniest answer
What does ADA apply to?
How does quantum theory explain the emission spectra of atoms
A. Electrons slowly gain energy in a continuous fashion
B. The movement of an electron between energy levels occurs gradually a small amount of energy are absorbed
C. Each motion of an electron between energy levels is associated with a single, specific amount of energy
D. Electrons absorb the energy they need to jump to a higher energy level from any light source above a minimum energy
Answer:
C
Explanation:
Each motion of an electron between energy levels is associated with a single, specific amount of energy
Centripetal acceleration depends directly on the square of the object's speed and inversely on
the radius of the circle.
A-True
B-False
Answer:
True.
Explanation:
The formula for the centripetal acceleration of an object can be calculated by the formula as follows :
[tex]a_c=\dfrac{v^2}{r}[/tex]
Where
v is the speed of an object
r is the radius of the circle
It means, the centripetal acceleration depends directly on the square of the object's speed and inversely on the radius of the circle. Hence, the given statement is true.
What are the main differences between the manual, oscillate and pulse functions?
The main differences between the manual, oscillate and pulse functions are;
Manual function requires work when we move it. Oscillate function works with automation.The pulse function follow pulse of a heart rate is used for pushing the button.A pulse can be regarded as a signal processing which is is rapid, transient change in the amplitude of a signal from a baseline value to a higher or lower value.
The Oscillate function works with automation and it requires some automated system.
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When both momentum and kinetic energy are conserved,
the collision is an __________
collision.
Answer:
Elastic collision
Explanation:
An elastic collision is a collision in which there is no net loss in kinetic energy in the system as a result of the collision. Both momentum and kinetic energy are conserved quantities in elastic collisions. Supposed two similar trolleys are traveling toward each other with equal speed.
what is the SI unit for moment
Answer:
Newton Metre
Explanation:
If a car has a mass of 200 kilograms and produces a force of 500 N, how fast will the car accelerate?
100 m/s2
2.5 m/s2
0.25 m/s2
25 m/s2
Answer:
B
Explanation:
F = ma
500N = 200 × a
200a. = 500N
a. =. 500N/200
a. =. 2.5m/s²
PLEASE GIVE BRAINLIEST.
Answer:
B
Explanation:
F = ma
500N = 200 × a
200a. = 500N
a. =. 500N/200
a. =. 2.5m/s²
Hope this helps
If dan ran the 100m dash in 10.23s. What was his average speed during the race? (Round to the nearest tenth of a second)
Answer:
.1 seconds per meter
Explanation:
I am going to assume they are asking for the average time per 1 meter.
Because it took 10.23 seconds to run 100 meters, we are going to divide 10.23 by 100. This number will be the time per 1 meter.
To divide by 100, we will move the decimal point over by two. That will give us .1023 seconds.
The question asks to round to the nearest tenth, so we round it to .1 seconds.
*Just some trivia: Danie van Blerk does in fact have a time of 10.23 seconds. He has the 1073rd best 100 meter dash time. First place, Usain Bolt, has a time of 9.58 seconds.
A copper piece cannot br made a magnet why
Answer:
1. A copper piece cannot be changed into magnets, because -
• Only the ferromagnetic metals (the metals which have magnetic properties) can be changed into electromagnets or permanent magnets.
• But,copper is not a ferromagnetic metal and that's why we cannot change the copper into any kind of magnets
Explanation:
What is another name for Newton’s first law of motion
Answer:
Law of Inertia
Explanation:
That's its other name
What do MRI and ultrasound have in common as diagnostic imaging techniques? Check all that apply.
define period in physics
When a tennis player practices by
hitting a ball against a wall, which of Newton's
laws of motion is the player making use of?
Answer:
2nd bscause there is a reaction
In which of these can convection not occur?
gases
solids
liquids
fluids
Answer:
B: Solids
Explanation:
I have notes from EDG and I looked it up on the internet
I hope this helps
In the solids, convection can not occur. Convection can only be done in the fluids.
What is convection?Under the effect of gravity, hotter, less dense material rises while colder, denser stuff sinks, resulting in heat transfer"Convection is the ultimate mode of energy transmission to the surface"
There are three modes of the heat transfer;
1. Conduction
2. Convection
3. Radiation
Convection occurs in the fluid which is liquid and gases. Convection never occurs in the solid.
Hence option B is correct.
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what are the two types of covalent bonds ? provide a description of each
Answer: Polar and Nonpolar
Polar molecules occur when there is an electronegativity difference between the bonded atoms.
Nonpolar molecules occur when electrons are shared equal between atoms of a diatomic molecule or when polar bonds in a larger molecule cancel each other out
What advice would you give her to improve her diagram? Choose all that
apply.
Answer:
A, C
Explanation:
In order for a box to be moving at constant velocity, that means acceleration must be 0(as the speed isn't increasing). Thus, since F = ma, and a is 0, the net force must also be 0. The diagram must be completely balanced in every direction, which is why the two horizontal arrows must be equal values.
C is also true because gravity is a stronger force here than the applied force. We can calculate the force due to gravity with Fgravity = mg. Thus, we get the force as a result of gravity = 9.8*50, which is around 500N and much larger than the applied force of 200N.
Which characteristic is defined as the distance traveled by a wave crest in a given time?
frequency
wavelength
amplitude
speed
Answer:
Amplitude
The amplitude ( ) of a wave is the distance from the centre line (or the still position) to the top of a crest or to the bottom of a trough .
Explanation:
Hope it helps
The distance traveled by a wave crest in a given time is defined as: D. speed.
What is a wave?A wave can be defined as a disturbance in a medium that progressively transport energy from a source to another location, especially without the transportation of matter.
The characteristics of sound wave.Some examples of the characteristics of a wave include the following:
FrequencyWavelengthAmplitudeSpeedIn Science, speed refers to the distance traveled by a wave crest in a given time.
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When hit with a bat which ball will accelerate more?
A 2kg ball
A 15kg ball
A 10kg ball
A 5kg ball
What is the mass of an object going 25 m/s and has a momentum of 140
kg m/s?
Answer:
The answer would be 5.6 kg of a mass.
Explanation:
p= mv
m= p/ v
The explanation of that is:
momentum = mass× velocity
mass= momentum / velocity
Hope this helped!
what type of force can never do any work on an object
Hay muchos ejemplos importantes de fuerzas que no funcionan porque actúan perpendiculares al movimiento. Para el movimiento circular, la fuerza centrípeta siempre actúa en ángulo recto con el movimiento. Cambia la dirección del movimiento, pero no funciona en el objeto.
A block of mass m is attached to ideal spring of constant k. When the spring is neither stretched nor compressed, block is at the
equilibrium position (x-0).
Assume the force between the mass and the spring obeys Hooke's Law: Fs-kx, where x is the displacement and Fs is the
restoring force. The restoring force is always directed toward the equilibrium position. In this example of vibrational motion, the
restoring force illustrates Newton's
A. first law of motion
B. 2nd law of motion
C. 3rd law of motion
D. law of gravitational attraction
Answer: Newton’s Third Law of Motion
Explanation:
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what are phrasal verbs. please help will give brainliest
Answer:
In English traditional grammar, a phrasal verb is the combination of two or three words from different grammatical categories: a verb and a particle, such as an adverb or a preposition — to form a single semantic unit on a lexical or syntactic level. Examples: turn down, run into, sit up.
Explanation:
which fuel is considered as a clean fuel for vehicles?
Answer:
Biodiesel or biogas vehicles are seen as an element on the path towards energy independence from fossil fuels and relief from unstable oil prices. ... CIVITAS cities test for example the use of biodiesel, biogas, compressed natural gas (CNG) and hybrid vehicles.
Explanation:
Two by four about a three the espn by the Xbox 360 by the one two three and the logical by the fire the iso cohedron uh the Isosceles and the diameter by the three by four?
Answer:
divided by 2 plus one entity_secured_pace_nun_box 9 divided by oee burned akward potion tri tour all around divided by 3 divided by 4
Explanation:
So the first few words in this statement talks about two and four being equal to around three therefore giving you "divided by 2" as you need to divide the four by 2 and add one to get 3. The next statement "the espn by the Xbox 360", espn can be deemed as a secured entity that paces around a nun therefore giving you entity_secured_pace_nun and since this is being multiplied by a box and by 360, you apply the "Improve Rule of Baseless Base". This rule allows you to get entity_secured_pace_nun_box_9. Box comes from multiplying what we have with box and the 9 comes from adding 3+6+0. Since a logical fire is present in this equation, you burn the letters in "two three" that have no protection, these letters are t,w,t,h, and r. Next, you can take cohedron that sounds like couldron and brew yourself an akward potion with the tri sided isosceles. The diameter can be seen as a round up rule that allows you to regroup the answer you have so far. The "by the three by four" can easily be translate from the "Baseless Base Rule Compilation" giving you divided by 3 and divided by 4. That is why the answer is divided by 2 plus one entity_secured_pace_nun_box 9 divided by oee burned akward potion tri tour all around divided by 3 divided by 4. No need to thank me.