Continuous signals are characterized as analog signals that are broken up into binary code are characterized as digital.
An am/fm radio is a good example of analog technology. A smart phone is a good example of digital technology.
What is a Digital technology?These are devices that generate, store or process data while analog is a continuous signal that represents physical measurements.
The examples of analog and digital technology are mentioned above and is the most appropriate choice.
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Answer:
Analog, Digital, Analog, Digital
Explanation:
edge 2022
Systems in the body interact to carry out life functions. The muscles of the body are part of the musculoskeletal system. Which system provides the impulses that cause the muscles to contract?
A.
circulatory
B.
integumentary
C.
respiratory
D.
nervous
You are riding a bicycle. if you apply a forward force of 172 n, and you and
the bicycle have a combined mass of 51 kg, what will be the forward
acceleration of the bicycle? (assume there is no friction.)
o a. 3.37 m/s2
b. 1.67 m/s2
c. 1.85 m/s2
d. 0.30 m/s2
Answer: D. 3.37m/s
Explanation:Just qnswerd iit
Which shows the correct order of processes leading up to the formation of a main sequence star?
The processes leading up to the formation of a main sequence star is that gases condense to form a nebula, gravity causes the nebula to collapse.
What is a nebula?It should be noted that nebula simply means a stellar nursery where the stars take birth. Also, gases condense to form nebula.
In this case, the processes leading up to the formation of a main sequence star is that gases condense to form a nebula, gravity causes the nebula to collapse and spin.
Lastly, a protostar forms and then nuclear fusion occurs.
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If a rock on a cliff starts with 3,000 J of GPE and 0 J of KE and ends with 0 J of GPE and 5,000 J of KE, what law of physics would this violate?
The law of physics that this scenario would violate is the law of conservation of energy.
What is the law of conservation of energy?The law of conservation of energy states that energy possessed by an object or physical body can neither be created nor destroyed but can only be transformed from one form to another.
This ultimately implies that, the energy possessed by the rock at the beginning must be equal to the energy possessed by the rock at the end in accordance with the law of conservation of energy.
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A strong permanent magnet is difficult to move along the aluminum plate, but the magnet does not stick to the plate. Why is it like that ?
Because of its crystal scructure, usually under normal circumstances aluminum is not magnetic. This is why the magnet does not stick to the plate. The aluminium material is referred to as a paragmetic material, it shares this classification with other metals such as Lithium and Magnesium.
How would the removal of the rabbit population affect the other populations in
the ecosystem?
A.
B.
The field mouse population will decrease.
The snake population will increase.
The lizard population will increase.
The tree population will decrease.
C.
D.
What happens to the signal inside of the cell phone? Describe at least two kinds of transformations or changes that happen to the signal inside of cell phone.
Answer:
When you're talking on a cell phone, it converts your voice into a signal that is transmitted via radio waves to the nearest cell tower. The cell tower then relays the radio wave back to the person you're speaking to, converting it first to a signal and then back to sound again.
Explanation:
no explanation for you
but the answer is in the top!
please help me out !!
Space exploration costs the taxpayers of united states millions of dollars each year. However, it is the only way we will learn more information about space. Do you think the cost of space exploration is justified or should those tax dollars be spent elsewhere? Explain your answer.
The space exploration program should continue, and should receive continued generous annual funding.
The US space program has NEVER launched a capsule full of money into space. NEVER ! The money spent on the space program is paid to hundreds of thousands of employees and contractors who design, develop, build, and launch the spacecraft and the scientific equipment they carry.
These people who get the money spend it to buy homes, cars, clothes, beer and bread, and send their children to school ... exactly the same things other Americans do with the money they earn on their jobs.
Just because the most visible product of this industry gets shot into space and never comes back does NOT mean that the money to do it is also lost forever. It's taxpayer money that the government pours straight back into the nation's economy, through the hands of the workers and scientists who operate the US space program.
If a 2 meter diameter ball representing the Sun were placed in Center Circle in Indianapolis, how far away should the Earth be placed?
By applying the correspondent change of scale, we will see that Earth should be placed 214.8m away from the scale sun.
How far the Earth should be placed?The real radius of the Sun is:
R = 696,340 km
And the radius of the scale Sun is 1m, then we have the relation:
1m = 696,340 km
1 = (1m/696,340 km)
Now, the real distance between the Sun and Earth is:
d = 149,600,000 km
If we apply the change of scale we have above, we will get:
d = 149,600,000 km*(1m/696,340 km) = 214.8m
So the Earth should be placed at 214.8m of the ball that represents the sun.
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How does an object's acceleration change if the net force on the object is doubled?
A. The acceleration is cut in half.
B. The acceleration does not change.
C. The acceleration is doubled.
D. The acceleration is multiplied by four
Answer:
its acceleration is doubled.
Explanation:
If the mass is doubled, then acceleration will be halved.
**halved is to divide into two equal parts**
Suppose that you want to heat a gas so that its temperature will be as high as possible. Would you heat it under conditions of constant pressure or constant volume
According to Gay - Lussac's law, you should heat it under conditions of constant volume.
Ideal GasAn ideal gas obeys the equation of state PV = nRT at all pressures, volume and temperatute.
According to Boyle's law, the volume of a gas is inversely proportional to the pressure while temperature is constant.
Also, according to Gay - Lussac's law, increase in temperature is direclty proportional to increase in pressure while volume remains constant.
Suppose that you want to heat a gas so that its temperature will be as high as possible. According to Gay - Lussac's law, you should heat it under conditions of constant volume.
Therefore, to heat a gas so that its temperature will be as high as possible, you should heat it under conditions of constant volume.
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how can magnets cause objects to have kinetic energy?
please help asap
what is a super moon?
what force much be applied to stop a 1400kg car that is initially traveling at 13 m/s over a 5 second time period
Answer:
As per Provided Information
Mass of car m is 1400KgInitial velocity u is 13m/sTime taken to stop t is 5 second .Final velocity v is 0m/swe have been asked to determine the force applied to stop the car. First we will calculate the acceleration of the car.
[tex] \boxed{\bf \: a \: = \dfrac{(v - u)}{t}}[/tex]
Substituting the value and let's solve it
[tex] \longrightarrow\sf \: a \: = \dfrac{0 - 13}{5} \\ \\ \\ \longrightarrow\sf \: a \: = \cfrac{ - 13}{5} \\ \\ \\ \longrightarrow\sf \: a \: = - 2.6 \: {ms}^{ - 2} [/tex]
Now, let's calculate the force applied to stop the car .
[tex] \pink{\boxed{\bf \: F = ma}}[/tex]
Substituting the value we get
[tex] \longrightarrow \sf \: F = 1400 \times ( - 2.6) \\ \\ \\ \longrightarrow \sf \: F = - 3640 \: N[/tex]
Here , negative sign show that the " Force is acting in opposite direction of the motion"
Therefore,
3640 Newton force is required to stop the car .where are metamorphic rocks formed? And how are they formed
6th Grade Earth science
Answer:
Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.
Which of the following describes the conditions for an inelastic collision?
(A) momentum conserved, kinetic energy conserved
(B) momentum conserved, kinetic energy not conserved
(C) momentum not conserved, kinetic energy conserved
(D) momentum not conserved, kinetic energy not conserved
Answer: I think it is C.
Explanation: In an inelastic collision, the object hits the item and stays with it. Therefore, both momentum and kinetic energy need to be presen.t
He much current is needed to operate a radio with a power of 80 watts when a potential difference of 135v is applied across itl
Answer:
593 mAmps
Explanation:
Power = 80 watts = VI
80 = 135 I
80/135 = I =
What is the frequency of a wave that has a period of 5 seconds
Answer:
0.20 Hz
Explanation:
Frequency is the reciprocal of the period. The period is 5 seconds, so the frequency is 1/(5 s) = 0.20 Hz.
Cause and Effect Reasoning Quick Check
1. Cells can repair small amounts of damage. In what situation-
[Answer: A person is exposed to large amounts of gamma rays.]
2. If a certain amount of time in the sun is dangerous for adults, what could-
[Answer: The adult and child would get the same damage per]
3. An individual must receive quite a lot of sun exposure over time to develop a high risk of cell damage. [Answer: A shorter exposure time to X-rays gives the same risk]
4. Ultraviolet light can damage a cell. Which exposure would most likely-
[Answer: 5 minutes of exposure to UVB light]
5. New vaccine studies are sometimes tested on pigs.
[Answer: Humans have an immune system very similar to pigs.]
The principle of cause and effect is applied in every life as is seen in damage caused to cells by exposure to large amounts of ultravoilet rays.
What is cause and effect?Cause and effect refers to the principle in which for every effect received or observed, an underlying cause is present.
Based on cause and effect;
Cells can repair small amounts of damage caused when a person is exposed to large amounts of gamma rays.
If a certain amount of exposure time in the sun is dangerous for adults, would result in a similar damage to a child.
A lot of sun exposure over time will cause an individual to develop a high risk of cell damage just as a shorter exposure time to X-rays gives the same risk.
Ultraviolet light can damage a cell especially with over 5 minutes of exposure to UVB light.
New vaccine studies are sometimes tested on pigs because humans have an immune system very similar to pigs.
Therefore, cause and effect is applied in every activities.
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HELP ME PLEASEEEE ILL GIVE BRAINLY
Answer:
Labeling from top left to bottom right
A) transmission - direct light being transmitted as direct light
B) reflection - light being reflected back
C) refraction - incident light being refracted
D) diffraction - diffracting slit shown
E) absorption - light absorbed and reemitted
F) scattering - light scattered in different direction
Which of the following are simple machines?
Select all that apply.
where aee the options
for eg .. of simple machine
wheel , screw etc..
part b
The EPA examines six air pollutants to assess air quality. These pollutants are listed in the table. To learn more about them, conduct research using the search term "EPA six common air pollutants." Use your research to fill in the table.
part c
In 1970, the US Congress passed the Clean Air Act to combat increasing levels of harmful pollution in the atmosphere. The law was amended in 1977 and 1990 to make major improvements. Read a brief summary about the Clean Air Act. Then read about how our nation's air status and trends have changed since this law was passed. As you’re reading and scrolling through the nation’s air quality trends, list three positive or negative outcomes of the Clean Air Act.
part d
This image from the EPA shows the projected benefits and costs from the most recent amendments to the Clean Air Act. A net improvement in economic welfare is projected because cleaner air leads to better health and productivity for American workers. It also reduces medical expenses for air pollution-related health problems.
Answer:
Part C is the first one and Part D is the second one. hope this helps you a lot because i did for me and I got a A+
Explanation:
Positive Outcome :
Cleaner lungs.
Decreased asthma and allergies symptoms.
Improved skin appearance.
Helps digestion.
Psychological and emotional stabilizer.
Better mood and normalized sleep patterns.
Reduce chances of lung, heart, and arterial diseases.
Negative Outcome :
According to the EPA, when we are exposed to high levels of hazardous air pollutants for an extended period of time .
We face a greater risk of suffering serious health effects, including respiratory diseases, neurological disorders, reduced fertility, damage to our immune system, and increased risks of getting cancer.
One of the health hazards that suprised me is that outdoor pollution is associated with hearth attacks. I know that outdoor pollution causes lung problems whether that's asthma attacks or bronchitis, but I didn't know about heart attacks. Apparently, air pollution can trigger heart attacks, stroke, and irregular heart rhythms. People who are already at risk for these conditions are more likely to have any of those. Air pollution causes damage to the inside walls of your blood vessels, causing them to become narrower and harder. Along with that, there are many different positives and negatives that came from the Clean Air Act some of which are more of these one that I explained on the top.
A summary paragraph evaluating the Clean Air Act in terms of cost and effectiveness given below.
What is pollution?The contamination of air or water or land by the human waste or chemicals is called as pollution.
Positive Outcomes are -
Cleaner lungs.Diminished asthma and sensitivities side effects.Further developed skin appearance.Helps absorption.Mental and close to home stabilizer.Better temperament and standardized rest designs.Lessen chances of lung, heart, and blood vessel illnesses.Negative Outcome is -
As indicated by the EPA, when we are presented to elevated degrees of perilous air poisons for a lengthy timeframe .
We face a more serious gamble of experiencing serious wellbeing impacts, including respiratory sicknesses, neurological issues, decreased fruitfulness, harm to our insusceptible framework, and expanded dangers of getting malignant growth.
The outside contamination is related with hearth assaults. Open air contamination causes lung issues like asthma assaults or bronchitis . Air contamination can set off coronary episodes, stroke, and sporadic heart rhythms. Air contamination makes harm within walls of your veins, making them become smaller and harder.
Thus, the Clean Air Act is explained.
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WILL GIVE BRAINLIEST!!!
What is the equivalent resistance of a circut that contains two 50.0 resistors connects in parellels with a 12.0 V battery?
o A. 25.0
o B. 0.040
o C. 100.0
o D. 0.48
Answer:
1/Re=1/R1 +1/R2= 2x1/R1=2/R1=2/R2=2/50=1/25
1/Re=1/25, so the answer is Re= 25
the answer is A. 25.0
Answer:
A. 25.0
Explanation:
1/Re = 1/R1 + 1/R2 = 2 x 1/R1 = 2/R1 = 2/R2 = 2/50 = 1/251/Re = 1/25
The answer is Re= 25
I hope this helps! Have a great day!
Anygays-
Under what circumstances can differentiation occur in a planet?.
How to prepare for physics ATP exam o'levels?
Spend time on this subject. Physics may have some concepts which are difficult for students to understand in some cases. A key example is electricity and magnetism. Spend extra time on topics you find difficult and most of all, remember to do PAST PAPERS. These will be your light in the dark, your teachers, your friends. Continue to do them, and remember to leave one unsolved before your examinations. This will orient your mind for the examination and let you achieve the maximum marks possible.
Questions #7 and 8:
Part 1 of 2: An ideal gas, initially at a volume of 6.22222 L and pressure of 9 kPa, undergoes isothermal expansion until its volume is 8 L and its pressure is 7 kPa. Calculate the work done by the gas during this process. Answer in units of J.
Part 2 of 2: Find the heat added to the gas during this process. Answer in units of J.
(a) The work done by the ideal gas during the isothermal exapnsion process is -3.556 J.
(b) The heat added to the gas during this process is 3.556 J.
Work done by the ideal gas
The work done by an ideal gas in isothermal expansion is change in pressure and volume of the gas. The change in the internal energy of the gas is zero.
The work done by the given ideal gas is calculated as follows;
W = ΔPV
where;
ΔP is change in pressure of the gasΔV is change in volume of the gasW = (P₂ - P₁)(V₂ - V₁)
W = (7kPa - 9kPa)(8L - 6.222L)
W = -3.556 kPa.L
1 kPa.L = 1 J
W = -3.556 J
Heat added to the processΔU = q + w
where;
ΔU is change in internal energy = 00 = q + (-3.556)
q = 3.556 J
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A step-up transformer increases the voltage 20 timesIf the voltage of the primary coil is 100V_{i} what is the voltage of the secondary coll? Answer only a number without units or commas
Answer:
2000
Explanation:
well it is just 20 * 100 = 2000 v
What is the name for a supporting force that acts upward and in a direction perpendicular to a surface
1. What is the approximate age of the fossil described in the activity?
1.8 million years
18 million years
.9 million years
90 million years
Answer:
B.
Explanation:
It should be B. 18 million years ago.
I apologize if it is incorrect-
I hope it helps! Have a great day!
Anygays-
Answer:
B. 18 million years
Explanation:
The answer is B. 18 million years
I hope it helps! Have a great day!
Muffin ^^
Which expression emphasizes the understanding that light can act in one of two different ways, depending on the situation?(1 point)
wave-particle duality
photoelectric effect
equal and opposite reasoning
least common denominator
Answer:
wave-particle duality
Explanation:
Answer:
1. How do scientists support claims about different models of light? (Answer: They collect evidence and make sure that the model)
2. In the photoelectric effect, electrons are ejected by matter (Answer: The energy from the waves of light coming from bright lights)
3. Light can be passed through two slits and projected onto a screen. (Answer: The spots are the result of interference, which happens with waves but not particles.)
4. Light travels from the stars to Earth. As light travels, it moves through etc etc... (Answer: This is not something that waves do because they need a medium to travel through)
5. Which expression emphasizeemphasizes the understanding that light can act in one of two (Answer: Wave-particle dualitduality)
6. Which is a statement of reasoning about the two-slit interference experiment? (Answer: When the electromagnetic wave peaks overlap)
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