fill in the term to complete each sentence

a wave carries___ from one place to another.
mechanical waves carry energy through___.

Answers

Answer 1

Energy

A material medium

Answer 2

A wave carries energy from one place to another. Mechanical waves carry energy through a material medium.

What is a wave?

A wave is a phenomenon that flows across a material medium without leaving any lasting mark.

Mechanical or electromagnetic waves can be used to classify them. Transverse and longitudinal are the two main forms.

A wave carries energy from one place to another. Mechanical waves carry energy through a material medium.

Hence the correct options for the fill-in-the-blanks are energy and a material medium.

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Related Questions

I need help with this question I added an image so y’all can see !

Answers

Answer:

a) .66

Explanation:

from (0,4) to (3,6)

the slope would be

[tex] \frac{2}{3} [/tex]

when diving the fraction the half slope is .66666...

The way I learned was to count the ”rise over run”. Count how many blocks are between the origin and point 4, obviously 4 blocks. (this is the ”rise”) Next, you count the number of blocks between -6 and the origin, 6. (this is your run). Then you place the rise over run to get 4/6 then divide to get 0.66. ☺️

In the diagram, q1= +8.0 C, q2= +3.5 C, and q3 = -2.5 C. q1 to q2 is 0.10 m, q2 to q3 is 0.15 m. What is the net force on q2? Label sign for charges (+ or -). (Unit = N). pls help?

Answers

Answer:

f(t) =  28,7 [N]

Explanation: IMPORTANT NOTE: IN PROBLEM STATEMENT CHARGES ARE IN C (COULOMBS) AND IN THE DIAGRAM IN μC. WE ASSUME CHARGES ARE IN μC.

The net force on +q₂  is the sum of the force of +q₁  on +q₂ ( is a repulsion force since charges of equal sign repel each other ) and the force of -q₃ on +q₂ ( is an attraction force, opposite sign charges attract each other)

The two forces have the same direction to the right of charge q₂, we have to add them

Then

f(t) = f₁₂ + f₃₂

f₁₂ = K * ( q₁*q₂ ) / (0,1)²

q₁  = + 8 μC     then   q₁ = 8*10⁻⁶ C

q₂ =  + 3,5 μC  then  q₂ = 3,5 *10⁻⁶ C

K = 9*10⁹  [ N*m² /C²]

f₁₂ = 9*10⁹ * 8*3,5*10⁻¹²/ 1*10⁻²   [ N*m² /C²]* C*C/m²

f₁₂ = 252*10⁻¹ [N]

f₁₂ = 25,2 [N]

f₃₂ =  9*10⁹*3,5*10⁻⁶*2,5*10⁻⁶ /(0,15)²

f₃₂ =  78,75*10⁻³/ 2,25*10⁻²

f₃₂ =  35 *10⁻¹

f₃₂ =  3,5 [N]

f(t) =  28,7 [N]

Answer:

facts

Explanation:

two trucks leave at different times (from the same place) headed for the same city. Both trucks arrive at the same time. Based on the this information, which of the following statements is true? A. The trucks traveled the same distance in the same amount of time B. The trucks were traveling at the same average speed C. The trucks traveled different distances D. The truck that left later traveled faster

Answers

the answer is A because everything would have to be constant to arrive at the same place at the same time and A is the only option that is constant

why can the suns rays cause a burn but the light from a flashlight cannot harm your skin?​

Answers

Sun Gives off UV rays which are harmful to the human skin causing the cells to get damaged which can cause a mutation in the cell why the Flashlight give off light based on battery’s and an Electrical system
^ what they said is correct!!! i just need points i’m taking 3 posts tests today,, i’m sorry!!

If you took a 20 g rock from the Earth to the moon, which would change?
a. volume
b. mass
c. weight
d. density

Answers

Answer:

weight of tock would change

The weight would change

Both acids and bases produce ions when dissolved in water. Propose a way to describe what

hydroxide ions (OH-) and H+ (hydrogen) ions are. What do they have to do with acids and

bases and the pH scale?

Answers

Answer:

See explanation

Explanation:

Acids and bases contain ions that interact with water. According to the Arrhenius definition, acids are substances that produce hydrogen ion in water while bases are substances that produce hydroxide ion in water.

The pH scale is a graphic description of the hydrogen or hydroxide ion present in a sample. Since pH= -log[H^+], the higher the pH , the lower the hydrogen ion concentration and vice versa.

Similarly, pOH= -log [OH^-] , hence the more the OH^- concentration the lower the pOH.

However pH + pOH =14.

Thus the concentration of hydrogen or hydroxide ions present determines the pH of any solution.

What percent of the gross domestic product (GDP) is currently generated by the service industry?


68 percent

71 percent

82 percent

95 percent

Answers

The answer is 71 percent. To be more exact, it is 70.38.

The global economy is heavily reliant on the service sector, which accounts for more than two-thirds of global GDP, over three-quarters of foreign direct investment in advanced nations, the majority of worker employment, and the majority of job growth. Thus, option B is correct.

What GDP is generated by the service industry?

The service sector, often known as the tertiary sector, makes up the third tier of the three-sector economy. Instead of creating products, this sector provides training, consulting, and maintenance and repairs.

The GDP of the nation is significantly impacted by the service sector. Through trade in services, it not only generates many jobs, but also significantly improves the country's economic performance.

Therefore, 70% of GDP is made up of consumer expenditure. The retail and service sectors are important to the American economy.

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PLS HELP. I WILL MARK U THE BRAINLIEST IF U ANSWER EVERYTHING STEP BY STEP AND CORRECTLY.

Answers

Answer:

Distance = 15m

Displacement = 5m

Explanation:

For distance add the values

For displacement use Pythagoras formula

15m and 5m is the answer

There are traits like blood type and eye color, and others like speaking English or having a scar. What are the terms used to describe these different types of traits? How are each defined?
PLEASE ONLY ANSWER IF YOU KNOW
WILL GIVE BRAINLEIST

Answers

depending on Genetics the father genes depend on everything because they give most of the heredity and genetics to the child more than the mother does

hybrid is one out of two ways to describe this

Based on what you know about how light travels, explain why
you can't see the back of your own head without using a mirror,
camera or other device.

Answers

You can’t see the back of your head because the mirror is not in the direction of the back of your head

A certain light bulb consumes 200J of electrical energy per second, but only emits 25J of light energy per second. Calculate the efficiency of this bulb.

Answers

Answer:

The answer is 12.5%

Explanation:

The efficiency of a light bulb is:

Light energy comes out of the bulb / Electrical energy that was put in

= 25J / 200J = 12.5%

12.5% it told me that it had to be 20 characters long to submit it so there

QUESTION 3
According to Freud, moral standards are developed as a result of:
a. identification
b. id control
C. ego control
d. defense mechanisms

Answers

Answer:

it is for ego control and for super ego control

here's some more information:

Standards provide people and organizations with a basis for mutual understanding, and are used as tools to facilitate communication, measurement, commerce and manufacturing. Standards are everywhere and play an important role in the economy, by: facilitating business interaction.

your answer will be C. Ego Control

A ladder rests in limiting equilibrium against a rough vertical wall and with its foot on rough horizontal ground, the coefficient of friction at both points of contact being 0.5. The ladder is uniform and weighs 300N. Find the angle which the ladder makes with the horizontal ground. Find also the normal reactions at the wall and the ground.

Answers

Answer:

θ = 36.9°

N = 240 N

R = 120 N

Explanation:

Draw a free body diagram.  There are five forces on the ladder:

Weight force mg pulling down at the center of the ladder,

Normal force N pushing up at the ground,

Friction force Nμ pushing right at the ground,

Reaction force R pushing left at the wall,

and friction force Rμ pushing up at the wall.

Sum of forces in the x direction:

∑F = ma

Nμ − R = 0

R = Nμ

Sum of forces in the y direction:

∑F = ma

N + Rμ − mg = 0

N + Nμ² − mg = 0

N (1 + μ²) = mg

1 + μ² = mg / N

Sum of torques about the base of the ladder.

∑τ = Iα

mg (L/2 cos θ) − R (L sin θ) − Rμ (L cos θ) = 0

mg (L/2 cos θ) = R (L sin θ) + Rμ (L cos θ)

mg (1/2 cos θ) = R (sin θ + μ cos θ)

mg / 2 = R (tan θ + μ)

mg / (2R) = tan θ + μ

Substitute:

mg / (2Nμ) = tan θ + μ

(1 + μ²) / (2μ) = tan θ + μ

(1 − μ²) / (2μ) = tan θ

Given μ = 0.5:

tan θ = (1 − 0.5²) / (2 × 0.5)

tan θ = 0.75

θ = 36.9°

The reaction forces are:

N = mg / (1 + μ²) = 240 N

R = Nμ = 120 N

It is 120n I hope this helpsss

At what distance from the centre of the earth its acceleration due to gravity becomes one third only? [Mass and radius of earth = 6x10 24 kg & 6.4x10 6 m resp.]

Answers

Answer:

235

Explanation:

235 is the answer sir

In the diagram, q1 = -6.39*10^-9 C and q2 = +3.22*10^-9 C. What is the electric field at point P? pls help

Answers

Answer:

Below

Explanation:

First draw the vectors that represent both electric fields.

E1 is the elictric field created by q1, E2 is the one created by q2.

● q1 is negative so E1 will point from P.

● q2 is positive so E2 will point out of P

(Picture below)

■■■■■■■■■■■■■■■■■■■■■■■■■■

The resulting electric field is equal to the sum of the two fields since both vectors are colinear.

Let E be the total field.

● E = E1 + E2

The formula of the electric field intensity is:

● E = K ×(q/d^2)

-K is Coulomb's constant

-d is the distance between the charge and the object ( here P)

-q is the charge

■■■■■■■■■■■■■■■■■■■■■■■■■■

● E1 = K × (q1/d1^2)

The distance between q1 and P is the qum of 0.15 m 0.25 m. (0.4 m)

Coulombs constant is 9×10^9 m^2/C^2

● E1 = 9×10^9 ×[-6.39 × 10^(-9)/ 0.4^2]

● E1 = -359.43 N/C

■■■■■■■■■■■■■■■■■■■■■■■■■■

● E2 = K ×(q2/d^2)

The distance between q2 and P is 0.25 m.

● E2 = 9×10^9×[3.22×10^(-9) /0.25^2]

● E2 = 463.68 N/C

■■■■■■■■■■■■■■■■■■■■■■■■■■

● E = E1 + E2

● E = -359.43+463.68

● E = 105.25 N/C

Which of the following could be used to convert chemical energy to heat energy?
a. a chair sitting still
c. a leaf absorbing sunlight
b. a battery powering a flashlight d. a rock hitting the ground

Answers

Answer:

C

Explanation:

Inside a battery there are chemical reactions. When the battery is powering a flashlight, this chemical energy gives a heat one.

your answer will be a battery powering a flashlight

3. There are twice as many people in the household, but your income has also doubled. Is your new

tax liability about twice as much as when you were single, more than twice as much, or less than

twice as much? Tell whether you think this difference-or the lack of one-seems fair.

Answers

Answer:

The answer is less than twice as much.

Explanation:

When the income doubles, the personal tax liability also doubles. However, because I have more dependents on my household, I'm able to get tax reductions to take care of the dependents.

The answer is less than twice as one

What did Thomson’s and Rutherford’s experiments have in common? They both used charged particles in their experiments. They both used emission spectra to discover electron clouds. They both compared the atom to an indivisible sphere. They both discovered electron clouds.

Answers

Answer:

Both Thomson and Rutherford used charged particles in their experiments.

Explanation:

Theo both used charged particles

the particles in a gaseous substance can move easily because the____
a. particles are free to move
b. containing vessel is to big
c. force between them is weak
d. particles are moving with great speed​

Answers

Answer:

a option okkkkkkkkkkkkkk

Answer:

particles are free to move

When looking at the effect of PH on sucrase activity, what was the wavelength of light used in the spectrophotometer?

Answers

Answer:

540 nm

Explanation:

Sucrase is a digestive enzyme. It is the catalyst in the hydrolysis of sucrose into the two subunits that it is made up of namely; fructose and glucose.

Enzymes are known to function best at optimum pH. As the pH of sucrase departs from its ideal pH, its activity decreases.

The activity of sucrose is studied using a spectrophotometer of wavelength about 540nm.

540 mn when I calculate it into the computer

A cylinder is submerged in water as illustrated in the diagram. At which two positions is the pressure the same?
1- A and B
2- B and C
3- A and D
4- B and D

Answers

Answer:

it is two or three

Explanation:

Answer:

2- B and C

Explanation:

The arrows are at the same location in opposite ends and are the same length.


To measure the amount of mass in an object, which piece of equipment would be used?
a. balance
c. graduated cylinder
b. Newton spring scale
d. meter stick

Answers

Answer=Balance
Hope this helps
Answer: balance
Hopefully I helped

if a source of sound waves is rabidly approaching a person the sound heard by the person appears to have?

Answers

Answer:

have a frequency. higher than the frequency actually produced by the source.

Explanation:

Answer:

If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have - a pitch lower than the original pitch.

Which of the following is part of the internal energy of a substance?
O A. Kinetic energy from nuclear forces
B. Kinetic energy from intermolecular forces
O C. Potential energy from nuclear forces
O D. Potential energy from intermolecular forces

Answers

The correct answer is Potential energy from intermolecular forces.

Potential energy from intermolecular forces is part of the internal energy of a substance, therefore the correct option is D.

What is internal energy?

It is the total energy of the substance that is contained in the system which is the sum of all the kinetic energy and potential energy of the molecules and the atoms contained in it.

The potential energy of the intermolecular forces is also part of the internal energy of the substance.

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What does a mechanical wave do with its energy?

Answers

Answer: A mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a medium. While waves can move over long distances, the movement of the medium of transmission the material is limited. Therefore, the oscillating material does not move far from its initial equilibrium position. Mechanical waves transport energy.

Explanation:

A container contains 200g of water at initial temperature of 30°C. An iron nail of mass 200g at temperature of 50°C is immersed in the water. What is the final water temperature? State the assumptions you need to make in your calculations.
[Given the value of specific heat capacity of water is 4200 J kg^-1 °C^-1 and that of iron is
450 J kg^-1 °C^-1]​

Answers

Answer:

Assuming there is no heat loss to the surrounding.

Heat lost by iron equals heat gained by water.

0.2(450)(50-x)=0.2(4200)(x-30)

x=31.94 °C

Explanation:

your answer would be 39.94 c

why is science always changing

Answers

Answer:

Science is changing because little by little scientists descover new things.

Explanation:

Discovery

Hope this helps:)

Because scientists discover new things, new ways to think about a singular method or principle

What is the average velocity of atoms in 2.00 mol of neon (a monatomic gas)
at 308 K? Use the equation: -mv2
2
For m, use 0.02000 kg. Remember that R = 8.31 J/(mol-K).
= ER
3
2
nRT
A. 1540 m/s
B. 876 m/s
C. 87.6 m/s
O D. 15,400 m/s

Answers

Answer:

v = 876 m/s

Explanation:

It is given that,

Number of mol of Neon is 2 mol

Temperature, T = 308 K

Mass, m = 0.02 kg

Value of R - 8.31 J/mol-K

We need to find the average velocity of atoms in 2.00 mol of neon. Neon is a monoatomic gas. Let v is the velocity. So,

[tex]\dfrac{1}{2}mv^2=\dfrac{3}{2}nRT\\\\v=\sqrt{\dfrac{3nRT}{m}} \\\\v=\sqrt{\dfrac{3\times 2\times 8.314\times 308}{0.02}} \\\\v=876.47\ m/s[/tex]

So, the correct option is (B).

I think it is 887m/s I hope this helps if not I’m really sry

Find the x-component of this vector: 47.3 m 39.4 ° Remember, angles are measured from the + x axis. x-component (m)

Answers

The x-component of the vector is 36.55 m.

Components of vectors

The components of a vector include both x and y components. The x-component is determined along x-axis, while y-component is determined along y-axis.

Vx = Vcosθ

Vy = Vsinθ

where;

Vx is the x-component of the vectorVy is the y-component of the vector

X-components of the vector

The x-component of the vector is calculated as follows;

x = 47.3 x cos(39.4)

x = 36.55 m

Thus, the x-component of the vector is 36.55 m.

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How many liters in 1 milliliter ??? HELP PLZ

Answers

It’s 0.001 liter
Hope it helps
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Please answer this question now PLEASE it's easy - "collecting like terms" It's algebra Write a sentence with a subordinate clause functioning as a modifier to the subject. Anderson Corp. began the period with $200 of supplies. During the period, $500 of supplies were purchased. At the end of the period, there were $300 of supplies on hand. What will be the amount of the adjusting entry to record the amount of supplies used how can i earn money? A hot metal plate at 150C has been placed in air at room temperature. Which event would most likely take placeover the next few minutes?Molecules in both the metal and the surrounding air will start moving at lower speeds.Molecules in both the metal and the surrounding air will start moving at higher speeds.The air molecules that are surrounding the metal will slow down, and the molecules in the metal will speed upThe air molecules that are surrounding the metal will speed up, and the molecules in the metal will slow down Please help me with this , 1. write a letter to your local legislature regarding your community health issue. 2. Include at least two possible solutions, and state your resources. what dose the term historiography mean Write a letter to your friend in another school expressing your views on the causes of disturbance during inter-school sports and games and what should be done to avoid future occurrences. PLEASE HELP! (1/4) - 50 POINTS - Mention any three disadvantages of early age marriage in points..PLZZ answer my question in relation to health education.... In 2004, 50 out of every 100 drivers at the National Trucking Company passed their driver's license exam on their first try. In 2005, 62 of the drivers passed on their first attempt. What was the percent increase in the passing rate? Which are ways for a writer to integrate research into an essay? Select three options1. use proper citation methods2. summarize the information3. include transitions between ideas4. add a direct quotation5. use precise formal language which statement is true about which branch of the United States government enforces the law A researcher knows that there is a relationship between obesity and watching television for young children. However, it is not known whether children watch more TV because they are overweight, or whether they are overweight because they watch so much TV. This is an example of the third-variable problem. True What is the slope of the line below?y=2/3 X - 3 Four representations of the same data are shown below. Verbal Description Shay pays a $4 monthly fee in addition to the data and minutes charges on her cell phone bill, x. Equation y = x + 4 Table A 2-column table with 3 rows. Column 1 is labeled x with entries 30 dollars, 40 dollars, 50 dollars. Column 2 is labeled y with entries 34 dollars, 44 dollars, 54 dollars. Graph Cell Phone Bill A graph with data/minutes charges on the x-axis and total bill on the y-axis. A line goes through points (0, 4) and (3, 7). Which two representations are considered to be only partial representations? the equation and the verbal description the verbal description and the graph the table and the equation the graph and the table Best Deals, Inc. has 10 units in ending merchandise inventory on December 31. The units were purchased in November for $160 each. The price lists from suppliers indicate the current replacement cost of the item to be $162 each. What would be the amount reported as Merchandise Inventory on the balance sheet? A. $1,600 B. $3,220 C. $322 D. $1,620 According to research, effective leaders at all levels of organizations have high levels of Emotional Intelligence (EI). CEOs with high EI excel in all of the following exceptA) managing relationships.B) influencing people.C) forging alliances inside and outside the firm.D) ability to discourage outside stakeholders.