what is Not an example of an machanical wave

Answers

Answer 1

Answer:

Definitely without a doubt a pumpkin

Answer 2
Light, sound, and waves in the ocean are common examples of waves. Sound and water waves are mechanical waves; meaning, they require a medium to travel through. ... However, light is not a mechanical wave; it can travel through a vacuum such as the empty parts of outer space.

Related Questions

An electron has a mass of 9.1x10-31 kg. What is
its momentum if it is travelling at a speed of
3.5x10 m/s?

Answers

Answer:

3.185×10^-29 kgm/s

Explanation:

Momentum(p)=mass×velocity

=9.1×10^-31×3.5×10

=3.185×10^-29 kgm/s

How do I solve this problems

Answers

My best advice would be to just keep on practicing and work with whatever notes you have :)

A ball is released from a height of 20 metres. Calculate; 1. The time it takes to fall 2. The velocity with which it hits the ground

Answers

Answer:

Final velocity of ball = 20 m/s

Explanation:

Given:

Height when ball released = 20meter

Find;

Time taken to fall

Final velocity of ball

Computation:

Initial velocity of ball = 0 m/s

Acceleration due to gravity = 10 m/s²

Using equation of motion;

S = ut + (1/2)(g)(t²)

20 = (0)(t) + (1/2)(10)(t²)

20 = 5(t²)

(t²) = 20 / 5

(t²) = 4

Time taken to fall = 2 second

V = u + at

V = 0 + (10)(2)

Final velocity of ball = 20 m/s

A set of charged plates have an
area of 8.22*10^-4 m^2 and
separation 2.42*10^-5 m. The
plates are charged with
5.24*10^-8 C. What is the
potential difference V between
the plates?
(Unit = V)

pls hurry <3

Answers

Answer:

175

Explanation:

its for Acellus

The potential difference is V=1.743*10^-7

The voltage is generally referred to as the electric potential difference and  it can be measured using a voltmeter. The electrical potential difference between the two plates is expressed as q=CV.

CALCULATION

we know,

q=CV

q={EA/d}*V

here q= 5.24*10^-8C

       A=8.22*10^-5m^2

       d=2.42*10^-8m

therefore , C={( 8.85*10^-12)*(8.22*10^-5)}/(2.42*10^-8)

                 C=3.006*10^-1

q=CV

q/C=V

V=1.743*10^-7

refer https://brainly.com/question/26733095

#SPJ2

A wire carries a current of 6.52 A in a direction that makes an angle of 44.8 degrees with the direction of a magnetic field of strength 0.258 T. What is the magnetic force on a 3.61 m length of wire

Answers

Answer:

[tex]F=4.27N[/tex]

Explanation:

From the question we are told that:

Current  [tex]I = 6.52 A[/tex]

Angle [tex]\theta= 44.8 \textdegree[/tex]

Magnetic field   [tex]B= 0.258 T.[/tex]

Length [tex]l=3.61m[/tex]

Generally the equation for  Magnetic force F is mathematically given by

 [tex]F=BIlsin\theta[/tex]

Therefore

 [tex]F=0.258*6.52*3.61*sin 44.8[/tex]

 [tex]F=4.27N[/tex]

The graph represents the reaction 3H2 + N2 2NH3 as it reaches equilibrium. Based on the graph, which two statements about this reaction are true?
PLEASE NO LINKS OR DOWNLOADS ​

Answers

Answer:A and C

Explanation: I took the test lol

Two statement that are correct based on graph are A, At point 4, the concentration of NH₄, NH₂ and H₂ remain constant, and C, Equilibrium is reached after point 3.

What are graphs?

Graphs are the mathematical representation of the data that is easy to understand.

The reaction is [tex]\rm 3H_2 + N_2= 2NH_3[/tex]

The graph shows time on x-axis and concentration on y-axis.

Thus, the correct options are A and C.

Learn more about graphs

https://brainly.com/question/16608196

#SPJ2

A hair dryer uses 1100 W of power
when connected to a 110 V outlet.
What is the resistance of the hair
dryer?

Answers

Answer:10

Explanation:acellus

Explain what cardiovascular exercise is in your own words. Explain the benefits of it and how it is different than muscular strength. Give 3 examples of cardiovascular exercises/activities

Answers

Cardiovascular exercise is a form of exercise that can build up your respiratory fitness and improve you endurance. It is different from muscular strength because it is more about endurance then repetition which is need for muscular strength. 3 example of cardiovascular fitness are running, swimming, and biking. Hope this helps

An event in when a large percentage of all species become extinct is calle

A. biodiversity shift
B. evolutionary shift
C. mass extinction
D. background extinction

Answers

the answer is d. background extinction

What is one problem that you think needs to be solved so that your future is safer for your children?

Answers

Answer:

Systemic racism

Explanation:

Who can help me do some 8th grade Science if so i will mark you the brainliest and also no links

Answers

Answer:

yes I help what is the question

I NEED THIS DONE ASAP I WILL MARK YOU THE BRAINLIEST BUT NO LINKS
Put the correct terms with the correct pictures

Answers

Answer:

1. Static Friction

2. Sliding friction

3. Fluid friction

4. is rolling friction

Sorry if i am wrong

Explanation:

a 20 A fuse is connected in series with a circuit containing a 240 V source. What is the minimum resistance required to prevent the fuse from melting

Answers

Answer:

12 ohms

Explanation:

you just divide 240 and 20

240 V/ 20 A = 12 ohms

An incline plane is 12-m long and 4-m high. A block is pulled up the ramp with a spring scale. The reading on the spring scale is 70-N. How many Newtons would the block actually weigh if you had to lift it the 4-m height?

Answers

Answer:

W = 210 N

Explanation:

For an ideal machine:

[tex]Work\ In = Work\ Out\\(P)(L)=(W)(H)[/tex]

where,

P = Effort = Spring Scale Reading = 70 N

L = Effort Arm = Length of inclined plane = 12 m

W = Actual Load (Weight) to be lifted = ?

H = Load Arm = Height = 4 m

Therefore,

[tex](70\ N)(12\ m) = (W)(4\ m)\\\\W = \frac{(70\ N)(12\ m)}{4\ m}[/tex]

W = 210 N

what's Quantum Mechanics?​

Answers

Answer:

The branch of mechanics deals with the mathematical description of the motion and interaction of subatomic particles, incorporating the concepts of quantization of energy, wave–particle duality, the uncertainty principle, and the correspondence principle is Quantum Mechanics.

Answer:

Explanation:

Quantum Mechanics is a branch of physics that deals with sub-atomic particles and their energy states. Its theory says at subatomic level, energy exists in discrete levels as "quanta" and particles behave as waves.

If two vectors are 7 cm and 5 cm .then what's the addition of these two?

Answers

Answer:

7 + 5 = 12

7 + 5 = 12    

Explanation:

Since it asks for 2 vectors, you have to add 2 times.

How does the intensity of light change for a location depending on the season?

Answers

Answer:

The intensity of light can change with the time of the day, season, geographic location, distance from the equator, and weather. It gradually increases from sunrise to the middle of the day and then gradually decreases toward sunset; it is high during summer, moderate in spring and fall, and low during winter time.

Explanation:

translational movement with the tilt of the earth's axis we can explain the change in intensity that an area receives determined with the weather station.

In summer the axis points to the sun, which is why more intensity per unit area arrives. In winter the axis moves away from the sun intensity per unit area is less

The intensity of the radiation is defined by the relationship between the power on the irradiated surface

        I = P / A

where I is the intensity, P is the power emitted by the sun and A is the area.

The intensity of the radiation that reaches it is around 1400 W / m² in the upper part of the Earth's atmosphere, this amount varies slightly when the planet passes from its furthest point from the sun to its closest point, that is, perihelion to aphelion.

The most important variation of this intensity is due to the fact that it has its axis inclined and the normal to the area changes in relation to the incident radiation during the translational movement around the sun.

In the summer the axis of the earth is inclined towards the sun, so the rays fall more perpendicularly, therefore their absorption over the area is maximum and the temperature rises.

In winter, the earth's axis is tilted away from the sun, so the rays they carry are distributed over a larger surface area and therefore less energy is absorbed per unit area and the temperature decreases.

In the spring and autumn seasons, the Earth's axis is almost vertical, so the absorption is intermediate and the temperature of the Earth is between the two maximums.

Using an analysis of the translational movement with the inclination of the earth's axis, we can explain the change in intensity received by an area determined with the weather station.

To learn more about solar intensity here:  brainly.com/question/14375282

verdadero o falso de La energía interna es la energía térmica asociada al objeto en virtud del movimiento de sus moléculas.

Necesito ayuda, porfa.

Answers

Answer:

Es la energía cinética interna total de un objeto debido al movimiento aleatorio de sus ... a es la energía que posee un objeto o cuerpo en virtud del movimiento de sus ... Si el movimiento de estas moléculas y átomos es más rápido, se dice que el ... Por lo tanto, la energía térmica asociada con la conducción resulta de la .

Explanation:

two charges create 8.00 N of electric force on each other. if you increase their distance to twice its original value, how much electric force do they exert on each other

Answers

Answer:

2.00 (right on acellus)

Explanation:

doubling the distance between two charges makes F (8.00) quarter, so you would just do 8.00*1/4

B. Direction: In each of the following situations, identify the method of heat transfer that takes place
(conduction, convection, or radiation).

1. Hot milk is stirred with a spoon, later the spoon gets hot

2. The air near the ceiling of a closed room is warmer, because the warm air rises.

3. You are doing artwork at your table near a lamp, you start to feel hotter.

4. During nighttime, the cool air from the land moves toward the sea to replace the rising warm air.

5. In a pool, the water near the surface is slightly warmer.

6. The washed clothes under the sun dries up.

7. The scouts stand near a bonfire during their camping-

8. Fish is cooked over a hot pan.

9. Iron nail being heated in a candle.

10. A boy playing outside starts to feel hotter.​

Answers

Answer:

1) Conduction

2)Covection

3)Radiation

4)Convection (Land breeze one of the application of convection of heat)

5) Convection

6)Radiation

7) Radiation

8)Conduction

9) Conduction

10) Radiation

Hope it helps

What is the total kinetic energy of a hoop of radius 1 m and mass 2 kg that rolls at an
angular velocity of 1 rad/s?

Answers

Answer:

12

Explanation:

What is the total kinetic energy of a hoop of radius 1 m and mass 2 kg that rolls at an

angular velocity of 1 rad/s?

14. Do loud sounds travel faster than soft sounds? Why or why not?

Answers

No they don’t, they all travel at the speed of sound, 767 miles per hour.

Answer:

The rarefaction particles are further apart when the sound is soft. Do loud sounds travel faster than soft sounds? No. Both travel at the same speed.

Friction always acts
in the same direction as motion.
in the opposite direction as motion.
at a 30 degree angle to the direction of motion.
perpendicular to the direction of motion.

Answers

Explanation:

friction always acts in the opposite direction as motion.

stay safe healthy and happy...

An observer notices that 12 waves pass by in 4 seconds. What is the frequency of these waves? 0.33 Hz 16 Hz 48 Hz 3 Hz

Answers

Answer:

Frequency = 3 Hz

Explanation:

Frequency is a measure of Hertz. Recall that Hertz is the unit expressing cycles/second, where one second is the denominator of the fraction for simplicity. If there are 12 waves every four seconds, and one wave represents one cycle, dividing 12 waves by 4 seconds will give the answer of 3 waves (or cycles) per one second.

The frequency of these waves is 3 Hz. The correct option is D.

What is a frequency?

Frequency is the number of cycles or oscillations of a wave that occur in one second, measured in Hertz (Hz). It is a fundamental property of waves and is directly related to the energy and wavelength of the wave. The higher the frequency of a wave, the more energy it carries and the shorter its wavelength.

The formula for frequency (f) is:

f = 1 / T

where f is the frequency in Hertz (Hz) and T is the period of the wave in seconds (s). The period is the time it takes for one complete cycle or oscillation of the wave to occur.

Here in the Question,

The frequency of the waves can be calculated using the formula:

frequency = number of waves/time

In this case, the number of waves is 12 and the time is 4 seconds. Substituting these values into the formula, we get:

frequency = 12 waves / 4 seconds = 3 Hz

Therefore, the frequency of these waves is 3 Hz.

To learn more about Frequency click:

brainly.com/question/1292129

#SPJ3

In a certain circuit the number of electrons passing a given point in 3 seconds is 6 x 1014 electrons. What is the current flow in this circuit? (Show all work, including substitution with units)

Answers

Answer:

Current = 0.000032 Amperes

Explanation:

Given the following data;

Time, t = 3 seconds

Number of electrons = 6 * 10^14 electrons

Conversion:

First of all, we would convert the number of electrons to charge.

Coulombs = electron charge ÷ 6.2415 * 10^18

Coulombs = (6 * 10^14) ÷ (6.2415 * 10^18)

Coulombs = 0.000096 Coulombs

To find the current;

Mathematically, quantity of charge is given by the formula;

Quantity of charge, Q = current * time

Substituting into the formula, we have;

0.000096 = current * 3

[tex] Current = \frac {0.000096}{3} [/tex]

Current = 0.000032 Amperes

The current through a 12W resistor in an electric circuit is 1.5A. Calculate the potential differences across the resistor

Answers

Answer:

Potential difference = 8 Volts

Explanation:

Given the following data;

Power = 12 Watts

Current = 1.5 A

To find the potential difference;

Power = current * voltage

12 = 1.5 * voltage

Voltage = 12/1.5

Voltage = 8 Volts

Therefore, the potential difference which is the same as voltage is 8 Volts.

If a force of 10 N acts on an object and an additional force of 6 N acts on the object in
the same direction. What will be the net force be on the object?
4N
60 N
6N
16 N

Answers

Answer:

D

Explanation:

For this kind of problem, forces add. F = F1 + F2

F1 = 6 N

F2 = 10 N

F = 6N + 10N

F = 16N

PLZ Help Me I give you brainlist also NO LONKS OR I REPORT and Have a gr8 day my peeps

Healthy human lungs look pink and spongy from the outside. The left lung is a little smaller than the right lung to make room for the heart. The lungs and heart are both protected by the rib cage. In the lungs, each main bronchus branches off into many smaller bronchi. The bronchi become smaller and smaller, and the smallest bronchi are called bronchioles. There are about 30,000 bronchioles in each lung, each about the same thickness as a strand of hair. The inhaled air eventually ends up in tiny air sacs called alveoli at the end of each bronchiole. There are about 300 million alveoli in each lung. They are covered with capillaries, tiny blood vessels that are only one cell thick. Oxygen travels from the alveoli through the capillaries to the bloodstream, heart and other cells


Which of these best represents the progression of bronchi, bronchioles and alveoli in the lungs?

A tree trunks that become smaller branches and twigs

B a tight flower bud that has opened into a full bloom

C whole apples that are sliced into separate wedges

D a bridge that crosses two rivers

Answers

Answer:

the answer is a because I saw it in a syllabus

Answer:

just doing this so you can give brainliest to the other person

have a great day!

Explanation:

Based on the information in the graph, why is energy released during the fusion of hydrogen (H) into helium (He)?
A. The hydrogen-1 nuclei (H - 1) are more stable than the helium-4 (He - 4) nucleus is, because they have less binding energy per nucleon than the helium has.
B. There are fewer nucleons in a helium-4 (He-4) nucleus than there are in four hydrogen-1 (H - 1) nuclei, so there is more energy released per nucleon when helium forms.
C. The hydrogen (H) nuclei are lower in energy than the helium (He) nucleus is, so more energy is stored in a helium nucleus.
D. The helium (He) nucleus is more stable than the hydrogen (H) nuclei are, because more mass is converted into binding energy in helium.

Answers

Answer:

D

Explanation:

Just had the same question and couldnt find and answer so i guessed. heres the answer no lol!

Answer: D.The helium (He) nucleus is more stable than the hydrogen (H) nuclei are, because more mass is converted into binding energy in helium.

Explanation:

apex physics

Question 8
Swimming in an open body of water (like a river, lake, or ocean) is different from swimming in a

Answers

Answer:

pool

Explanation:

I think

Answer: Pool

Hope this helps
Other Questions
Does anyone know the answer 4. A bacterial infection that can result when certain sexually transmitted diseases go untreated andcan damage the reproductive system resulting in infertility is called(1 ppelvic inflammatory disease.fibroid tumors.cystocele.ovarian cyst.5. The word oogenesis refers to (1 point)paired ovaries.egg development.uterine wall.milk production Plz help i need to finish this quiz in 10 mins! Does President Biden want to ban red meat? Lines 109132: What does Mallam Sile want, and why is it difficult for him to find it? Cite details from the song as well as what you already know about his situation. 25) Margie needs to borrow $9,000 from a local bank. Theloan has a 8.5% interest rate for 4 years. What willMargie's monthly payment be?A) $ 221,850.00B) $3060.00C) $250.0D) $ 221.85 Which of the following would be the best caption for this image?A The Coriolis effect causes convection cells of air to circulate through the atmosphere.B The pattern of ocean currents is identical to the pattern of wind currents.C Uneven heating of land and water causes winds to blow in different directions during the daytime and night time.D There are six bands of global wind currents. These bands of wind currents are caused by convection cells created by the warming and cooling of air. help please!!!! thank you in advance. asap too NO LINKS the picture below shows six quarters and two pennies. If this was brokendown into two separate groups, what would be the equivalent ratio to six-seconds? what do mars, pluto, and Jupiter have in common (science) in 8th grade. What is the solution to the system of linear equations represented by the matrix equations below. Please help!!!!! What could imperil pedestrians?A. a skateboarder on the sidewalkB. an interesting shop windowC. a crosswalkD. a bus stop Jacob rode his bicycle at an average rate of 15 kilometers per hour.Which statement about Jacob's bike race could be true? .Which statement describes how the U.S. tried to contain the influence of communism in Europe after World War II?The United States and the Soviet Union created an alliance.The United States gave economic assistance through the Marshall Plan.U.S. leaders encouraged attendance at the Paris Peace Conference.The Soviet Union established the "Iron Curtain". Explain to a friend in 150 words or less how to do the chest compresses needed for CCR and CPR. What hormones stimulate the cycle of egg or sperm production? Consider two perfectly negatively correlated risky securities A and B. A has an expected rate of return of 10% and a standard deviation of 16%. B has an expected rate of return of 8% and a standard deviation of 12%. The risk-free portfolio that can be formed with the two securities will earn a(n) _____ rate of return. Glenn has a garden that is shaped like a rectangle. The perimeter of his garden is 7012 feet. The length of the garden is 2434 feet.What is the width of the garden? 21 ft o 11ft o 10 ft o 45 ft Which of the following would be considered an Exothermic Reaction?*Ice MeltingBurning woodBoiling waterBaking a cake Please help me to find area of semicircle