Food must often stay warm prior to being served but also not be damaged by the heating process. Which of these components of the electromagnetic spectrum would be high enough in associated energy to warm food without having ionizing impacts on the components of the food itself? Select ALL that apply.

Answers

Answer 1

The electromagnetic spectrum which is high enough to warm food without having ionizing impacts include:

MicrowavesInfrared

What is Ionization?

This involves an atom or a molecule gaining or losing electrons to form charged ion.

The electromagnetic spectrum wit long wavelengths will have enough energy to warm it without ionizing impacts and they are mentioned above.

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Related Questions

Why is the moon’s force of gravity less than that of the earth?

Answers

Question:-

Why is the moon’s force of gravity less than that of the earth?

Answer:-

Since the moon has a smaller mass than the earth, the moon has less gravity than the earth. Gravity is related to mass.

Larger mass = larger gravity

Smaller mass = lesser gravity

Moon has small mass, therefore less gravity.

A car has a kinetic energy of 4.32 x 10J when traveling at a speed of 23 m/s. What is its mass?

Answers

Answer

0.163 kg

Explanation:

[tex]\sf Kinetic \ Energy = \dfrac{1}{2} \ x \ mass \ x \ velocity^2[/tex]

Here we are provided with:

1) Kinetic Energy = 4.32 x 10 Joules ≈ 43.2 Joules

2) Speed/Velocity = 23 m/s

Now, solve for mass:


[tex]\rightarrow \sf \dfrac{1}{2} \ x \ mass \ x \ velocity^2 = Kinetic \ Energy[/tex]

[tex]\rightarrow \sf \dfrac{1}{2} \ x \ mass \ x \ (23)^2 =43.2[/tex]

[tex]\rightarrow \sf mass= \dfrac{43.2 (2)}{23^2}[/tex]

[tex]\rightarrow \sf mass= 0.163 \ kg[/tex]

An object attached to one end of a spring makes 20 vibrations in 10 seconds. Its angular frequency is: 0. 79 rad/s 1. 57 rad/s 2. 0 rad/s 6. 3 rad/s 12. 6 rad/s

Answers

Angular frequency in radian per second for 20 vibrations in 10 seconds is 12.6 rad/s

What is Angular frequency?

Angular frequency is the number of vibrations in radian per second.

The total number of vibrations n is 20 and the time taken for these vibrations is 10 s

The frequency of the vibrations will be

f = 20 / 10 = 2 Hz

Angular frequency is related to the frequency as

ω = 2πf

ω=2π × 2

ω = 12.6 rad/s

Thus, the angular frequency is 12.6 rad/s.

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What was the most impactful thing you took away from yesterdays event?
GIVE ME AN EXAMPLE OF BEING NERVOUS

Answers

Answer:

BEFORE A ROLLER COASTER

Explanation:

Do the data support or refute the hypothesis? be sure to explain your answer and include how the variables changed in the experiment.

Answers

Do the data support or refute the hypothesis, normally, the data for the first part of the experiment support the first hypothesis.

What is a hypothesis test?

Hypothesis testing refers to the formal procedures used by statisticians to accept or reject these hypotheses. When trying to make decisions, it is convenient to formulate assumptions or conjectures about the populations of interest, which consist of considerations about their parameters.

As a result of this, we can see that from the complete text, there is a set of data which is used to show the force that is applied to a cart that causes the acceleration of the cart to increase which supports Newton's second law.

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Answer:

The data support the hypothesis. As the number of half-lives increased, the number of radioactive atoms decreased. With each half-life, approximately half of the radioactive atoms in a sample decayed to a stable isotope.

Explanation:

edge 2022

A uniform metal bar 100cm long balances at 20cm mark when a mass of 1.5kg is attached at 0cm mark calculate the weight of the bar (take g=10n/kg)

Answers

Answer:

1.6 ml

Explanation:

Which object represents a negatively charged particle? which object represents a positively charged molecule? which object represents an uncharged molecule? which object will not move when in an electric field?

Answers

The answers to your questions are as written below:

The objects that represents a negatively charged particle is : Image B The object that represents a positively charged molecule is : Image A The object that represents an uncharged molecule is : Image C The object the will not move when in an electric fied is : Image C

Different types of charges molecules

A negatively charged molecule move inwards when placed in an electric field while positively charged molecule placed in a electric field will move outwards the electric field.

A neutral/uncharged molecule will remains still when placd in an elctric field due to the absence of charges.

Hence we can concude that the answers to your questions are as listed above.

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attached below is the missing image


What is the benefit of cooling down after exercise?

Answers

Answer:

3 benefits of a restrict afterwards a practice Brings essence rate back off and slows respiring Muscles return back to optimum motionless distance Prevents ancestry from combining in lower limits Cool down stretches are used to weaken courage rate and respiring rates afterwards exercise. It can help cause your soul rate back off to situated rate.

Explanation:

Nancy ran a distance of 5km in 30 minutes. What is her speed in meters(m) per hour)h)

Answers

The speed of Nancy who ran a distance of 5 km in 30 minutes is 10000 meters(m) per hour(h).

What is the rate of speed?

The rate of speed is the rate at which the total distance is travelled in the time taken. Rate of speed can be given as,

[tex]s=\dfrac{d}{t}[/tex]

Here, (d) is the distance travelled by the object and (t) is the time taken but the object to cover that distance.

Nancy ran a distance of 5 km in 30 minutes. There are 60 minutes in one hour. Thus, the time in hour for which Nancy ran is,

[tex]t=\dfrac{30}{60}\\t=0.5\rm\; hr[/tex]

The meters in 5 kilometers is,

[tex]d=5\times1000\\d=5000\rm\; m[/tex]

She ran 5000 kilometers in 0.5 hours. Thus, the speed of her is,

[tex]s=\dfrac{5000}{0.5}\\s=10000\rm\; km/hr[/tex]

Thus, the speed of Nancy who ran a distance of 5 km in 30 minutes is 10000 meters(m) per hour(h).

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Vhich type of reaction is modeled by this chemical equation?
PLi + CaCl2 - 2LICI + Ca

Answers

Answer:

Double-replacement

Explanation:

2Li + CaCl2 → 2LiCl + Ca O

D. Double-replacement

(ii) The ball has a time of flight of 3.5s before landing The green is a vertical
distance of 7.5 m above the point at which the ball was hit, as shown. The green
is about seventy metres away from where the ball is hít.
flight of ball
green
ball hit at this point
17.5m
7 Om
Deduce whether, if air resistance is ignored, the ball could land on the green
after a flight time of 3,5s.

Answers

If air resistance is ignored, the ball could land on the green after a flight time of 3.5s.

Vertical velocity of the ball

The vertical velocity of the ball is calculated as follows;

[tex]h = v_yt - \frac{1}{2} gt^2\\\\7.5 = (3.5)v_y - \frac{1}{2}(9.8)(3.5)^2\\\\ 7.5 = 3.5v_y - 60.025\\\\3.5v_y = 67.525\\\\v_y = 19.29 \ m/s[/tex]

Horizontal velocity of the ball

X = Vxt

Vx = (X)/t

Vx = (70)/3.5

Vx = 20 m/s

Resultant initial velocity

v = √(Vy² + Vx²)

v = √(19.29² + 20²)

v = 27.79 m/s

Angle of projection

tanθ = (Vy)/(Vx)

tanθ = (19.29)/(20)

tanθ = 0.9645

θ = 43.96⁰

check if time of flight will be equal to 3.5 s or more

The time of flight is calculated as follows;

[tex]T = \frac{2u \times sin(\theta)}{g} \\\\T = \frac{2 \times 27.79 \times sin(43.96)}{9.8} \\\\T = 3.9 \ s[/tex]

Check if the range of ball will 70 m or more

X = VxT

X = 20 x 3.9

X = 78 m

The ball will land on green which is at 70 m after 3.5s.

Thus, if air resistance is ignored, the ball could land on the green after a flight time of 3.5s.

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What is the momentum of a 8kg ball rolling at 25 m/s?

Answers

Answer:

200

Explanation:

P = M x V

P = 8 x 25

P = 200

The following equation, N2 + 3 H2 —>2 NH3 ,describes a
(1) physical change
(3) mixture
(2) chemical change
(4) element

Answers

answer:
(2) Chemical Change

explanation:
I'll assume that line with the "$gt;" right after it is meant to be an arrow. This is showing a chemical formula. Chemical formula's are used to represent chemical reactions, or a chemical change, using reactants, and arrow, and products. N2 + 3H2 "react to form" 2NH3.

The Renaissance astronomer who wrote the pioneering book that suggested the Earth probably orbits the Sun (instead of the other way around) was: Group of answer choices Eratosthenes Copernicus Newton Ptolemy

Answers

The Renaissance astronomer who wrote the pioneering book that suggested the Earth probably orbits the Sun was Copernicus.

Who is an astronaut?

An astronaut observes and performs the experiments based on the universe.

The astronomer observes the universe and its components closely using telescope being on the Earth. While the astronaut goes into space to look in closely.

The astronomer who gave the observation that Earth is orbiting around the Sun was Nicolaus Copernicus.

Thus, the correct option is Copernicus.

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The boom hoisting sheave must have pitch diameters of no less than.

Answers

Answer:

18 times

Explanation:

All sheaves used in the boom hoist reeving system must have a rope pitch diameter of not less than 18 times the nominal diameter of the rope used. The operating design factor for the boom hoist reeving system must be not less than five.

Question 25 of 25
How do changes in light wavelengths support the most widely accepted
ideas about the universe?
O A. Galaxies are moving away from Earth, as shown by the shift of
their light toward the red end of the spectrum.
B. Galaxies are moving toward Earth, as shown by the shift of their
light toward the blue end of the spectrum.
OC. Galaxies are moving away from Earth, as shown by the shift of
their light toward the blue end of the spectrum.
OD. Galaxies are moving toward Earth, as shown by the shift of their
light toward the red end of the spectrum.

Answers

The changes in light wavelengths support the most widely accepted

ideas about the universe is Light from other galaxies shifts toward the red end of the spectrum, which shows that the galaxies are moving away from Earth. The correct option is A.

What is universe?

Universe is the whole cosmic system of matter and energy. The Earth, the Sun, the Moon, the planets, the stars along with the ,dust , gases, rocks forms the universe.

As the universe is expanding more and more, the galaxies are shifting their way apart.

According to  Doppler's Effect, wavelength and frequency of a wave will changes with respect to an observer If the observer moves closer, the spectrum will shift towards blue end and if it moves away, the spectrum will shift towards the red end.

When spectrums of distant galaxies were observed to be shifting towards red light,  also known as Red shifting. This shows that the Big Bang theory is true that universe is expanding.

Thus, the correct option is A.

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Four resistors (67 ohm, 83 ohm, 433 ohm, and 309 ohm in that order) are connected in series to a 7.92 V battery of negligible internal resistance. What is the voltage difference across the second resistor

Answers

Answer:

.737 v

Explanation:

Since they are in series....they all have the same current running through them.....find the total resistance to calculate the current:

R = 67 + 83 + 433 + 309 = 892 ohm

V/R = current = 7.92 / 892 = 8.87 mAmps

Now the voltage across ecah resistor is   I R

 for the second one   8.87 ma * 83 ohm = V = .737 V

What types of galaxies are these?

Answers

Answer:

the first one looks like a spiral galixy

the 2nd one looks like a lenticular galixy ?? (im pretty sure but not 100%)

the 3rd one looks like a elliptical galixy

Explanation:

Answer:

1. Spiral

2. Not sure but i think its irregular.

3. Elliptical

Please Vote Me Brainliest. Thank You.

QUESTION 1
What is the voltage (V) of a small appliance if the
current (I) is 12 A and the resistance (R) is 10 !?
Answer:

QUESTION 2
What is the resistance (R) if the current (I) is 15 A and
the voltage (V) is 230 V?
Answer:

QUESTION 3
Find the current (I) if the voltage (V) is 230 V and the
resistance (R) is 20 !.
Answer:

QUESTION 4
Find the voltage (V) if the resistance (R) is 25 ! and the
current (I) is 5 A.
Answer:

QUESTION 5
What is the resistance (R) if the current (I) is 25 A and
the voltage (V) is 230 V?
Answer:

QUESTION 6
Find the current (I) if the voltage (V) is 230 V and the
resistance (R) is 50 !.
Answer:


QUESTION 7
Find the voltage (V) if the resistance (R) is 35 ! and the
current (I) is 4 A.
Answer:

QUESTION 8
What is the resistance (R) if the current (I) is 15 A and
the voltage (V) is 24 V?

Answers

Answer:

check the attachments for the solution

1150 kg car is on a 8.70 degree hill. What’s the x component of the normal force

Answers

Answer:

The x - component of the normal force is equal to 1706.45 N.

Explanation:

To solve the problem, and since there is no additional information, we can safely assume that the x-axis is parallalel to the hill surface and the y-axis is perpendicular to the x-axis. Knowing that, we can calculate the components of the normal force (or weight for this case), using the following formulas:

[tex]N

x

=W∗Sin(α)=mg∗Sin(α)[/tex]

[tex]N

y

=W∗Cos(α)=mg∗Cos(α)[/tex]

Now, using the given information, we have:

[tex]mass=m=1150Kg[/tex]

[tex]a=8.70[/tex]

[tex]g=9.81 \frac{m}{ {s}^{2} } [/tex]

Calculating, we have:

[tex]N_{x}=mg*Sin(\alpha)[/tex]

[tex] \: \: \: \: \: \: \: \: \: N_{x}=1150Kg*9.81\frac{m}{s^{2}}*Sin(8.70\°)[/tex]

[tex]N

x =11281.5

s

2

Kg.m

∗Sin(8.70\°) = \\ \\ 1706.45

s

2

Kg.m

=1706.45.23N[/tex]

Hence, we have that the x-component of the normal force is equal to 1706.45 N.

Answer:

zero

Explanation:

fx=

Which statement describes one of the main principles of Dalton's atomic theory? Elements of the same atom are identical. O Atoms of the same element are different. O Elements of the same atom are different. Atoms of the same element are identical.​

Answers

Dalton's atomic theory is related to the characteristics of atom. The statement describes one of the main principles of Dalton's atomic theory is atoms of same element are identical.

What is Dalton's atomic theory?

The Dalton's theory states that All matter is composed of extremely small particles called atoms and Atoms of a given element are identical in size, mass, and other properties. Atoms of different element are different.

Hence, the statement describes one of the main principles of Dalton's atomic theory is atoms of same element are identical.

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Electromagnetic radiation includes only visible light waves.

true or false

Answers

The entire electromagnetic spectrum, from the lowest to the highest frequency (longest to shortest wavelength), includes all radio waves (e.g., commercial radio and television, microwaves, radar), infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.

False, There is other things aswell

You are still able to hear sounds coming from a room when the door is open only a tiny crack due to…?

Answers

Answer:

Sound waves are able to go throught some objects.

Explanation:

A figure skater goes into a spin with her arms outstretched. She then pulls her arms in against her body. If she is initially rotating at 2rev / s , what is her final rotational speed? Assume that by pulling in her arms she reduces her rotational inertia from 2kg - m ^ 2 to 1.5kg - m ^ 2

Answers

For a figure skater goes into a spin with her arms outstretched. She then pulls her arms against her body. If she is initially rotating at 2rev / s  is mathematically given as

Wf= 6rev / s

what is her final rotational speed?

Generally, the equation for the conservation angular momentum  is mathematically given as

I1Wf=I2Wf

2kg - m ^ 2 X 2rev / s = 1.5kg - m ^ 2 X W2

Wf= 2/1.5(2)

Wf= 6rev / s

In conclusion, her final rotational speed is

Wf= 6rev / s

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Which requires more force to accelerate?
an object that weighs 20 kg
an object that weighs 5 kg

Answers

Answer:

An object that weighs 20 kg

Explanation:

Acceleration and mass are indirectly proportional.

A force of 26. 4lb is applied to an area of 1. 71in 2 what is the pressure

Answers

Answer:

Dont kno

Explanation:

Dont  

A gravitational field is generated by any object that has–

Answers

Answer:

Mass.

Explanation:

Mass. According to the general equivalence principle: Anything creates gravitational field. This is because Anything (except Nothing) carries a non-zero energy-momentum tensor, which is the source of gravitational field. Which basically means since something exists it moves, which creates a gravitation field.

If a brick has a density of 3.75g/mL and a mass of 20.25g, what is its volume

Answers

Answer:

5.4mL

Explanation:

20.25g divided by 3.75g/mL= 5.4mL

A uniform magnetic field b is perpendicular to the plane of a circular loop

Answers

A uniform magnetic field is perpendicular to the plane of a circular loop. The rate must the magnitude of change to induce a 10 A current in the loop.

What is uniform magnetic field?

The magnetic field which doesn't change with respect to time is called the uniform magnetic field.

The resistance of the loop is related to the length of the wire as

R=ρ L/ A

Diameter of wire is 10 cm formed from wire of diameter 2.5 mm and resistivity is 1.69×10⁻⁸ Ω⋅m.

Substituting the values into the above equation, we get

R ​ = {(1.69×10−8Ω⋅m) × π(0.10m)} / {π(2.5×10−3m)2/4}

R ​ =1.1×10−3Ω

Current is related to emf as

i=∣ε∣/R

=∣dΦB​/dt∣ / R

=(πl2/R) ∣ dB/dt ∣.

Substituting the given values from the question, we have rate of change of magnetic field

∣dB / dt∣​ = πr2iR​

∣dB / dt∣​ = π(0.05m)2(10A)(1.1×10−3Ω)

∣dB / dt∣​ ​ =1.4T/s

Therefore, the rate must the magnitude of change to induce a 10 A current in the loop is 1.4T/s.

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How much heat energy is required to raise the temperature of 1 kilogram of steel by 10°C?

Answers

from

∆H=MC∆T

but M=1Kg=1000g

∆T=10°C

C=0.466J/g°C

∆H=(1000×0.466×10)Joule

=4660J

explanation

When heat energy is added to a substance, the temperature will change by a certain amount. The relationship between heat energy and temperature is different for every material, and the specific heat is a value that describes how they relate.

heat energy = (mass of substance)(specific heat)(change in temperature)

Q = mc∆T

Q = heat energy (Joules, J)

m = mass of a substance (kg)

c = specific heat (units J/kg∙K)

∆ is a symbol meaning "the change in"

∆T = change in temperature (Kelvins, K

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Can someone please help me with this last question? Thankyou in advance! I need this answered please Which battle marked the end of the Revolutionary War between the British forces and the Continental Army?Battle of GettysburgBattle of YorktownBattle of SaratogaBattle of Bunker Hill Water is chilled by brine in a counter-current heat exchanger. If the flow rate of the brine is 2 kg/s and that of the water is 1 kg/s, estimate the temperature to which the water is cooled if the brine enters at -4C and leaves at 12C. The water enters the heat exchanger at 28C. If the heat transfer surface area of the heat exchanger is 5.50m^2, determine the overall heat transfer coefficient. Take the mean heat capacity of brine and water to be 3.4 kJ kg^-1 K^-1, and 4.2 kJ kg^-1 K^-1 respectively.I need help with this asap please. Thank you very much. I will tag anyone who answers as brainliest. Which is a possible heat capacity for a bomb calorimeter?A) 11.20 kJ/CB) 14.21 kJ/(kgC)C) 15.32 kJ/molD) 15.75 kJ/g Answer answer please Our school is considering participating in the one book program, in which all students and staff read and discuss the same book. Supporters of the program say that this builds school spirit and helps make reading more fun. But opponents say that it is not fair to force everyone to read the same book, because many people might not enjoy the type of book chosen. Do you think that our school should participate in the One book program? Why or why not? Which of these options is the best claim to address the prompt? A. Our school should not participate in the One Book program, because students who have to read a book they don't like will begin to dislike readingB. Reading is one of the most important skills students can learn in school, so everyone should be encouraged to read more and discuss books with friends and classmates.C. The One Book program provides an opportunity for all the members of a school community to find common ground by reading the same bookD. For The One book program, our school should choose a book that has recently been made into a movie, so that students who have trouble reading cans till participate.WORTH 80 POINTS! How does drinking alcohol and using drugs contribute to the women abuse? If I use a paraphrasing bot, is it still plagiarism? How did the Tet Offensive affect the people of the United States during the Vietnam War? Which word meaning "wrong" has the most negative connotation? Why are we unlikely to find earth-like planets around halo stars in the galaxy?. According to the constitution, how old does a person have to be in order to become president?. Gamma rays can cause cancer, but they can also be used to treat cancer. Howwould you answer a sixth grader who asks you, "Is radiation good or bad?" 2. Triangle ABC has side lengths of5 units, 13 units, and 12 units.Use the Converse of the PythagoreanTheorem to prove that ABC is a righttriangle. Write numbers 1-4 to orderthe steps.52 + 122 = 132a+ 62=c169 = 16925 + 144 = 169Therefore, triangle ABC is a righttriangle. Mr. Parker sells 10 bottles of wine per week at $50 per bottle. He can sell 11 bottles per week if he lowers the price to $45 per bottle. The quantity effect of the sale of an additional bottle would be _______, whereas the price effect of the sale of an additional bottle would be ________ The pathway of Sam's dive intothe swimming pool can berepresented by the equationh = -16t2 + 15t + 12(where t = time in seconds andh = height in feet)What is Sam's heightafter 1 second?M Solid potassium fluorine gas solid potassium fluoride balanced 16-24: Write an analogy for each of the prompts below.16. Zebra is to Stripes as Giraffe is to???17. Knife is to Cut as Pen is to???18. Man is to Men as Goose is to???19. Stem is to Flower as Trunk is to???20. Creek is to River as Hill is to???21. Gas is to Car as Wood is to???22. Edward is to Ed as Suzanne is to???23. Seed is to Tree as Egg is to???24. Author is to Story as Poet is to??? Consider the squares shown. Square P has a side length of 12 centimeters. Square Q has a side length 25% smaller than Square determine the area of both sides. what is the precent decrease in area P to area Q 40 points exra for correct answer