In a longitudinal wave, particles of the medium vibrate in a direction that is perpendicular that the wave travels : FALSE
Meaning of Longitudinal wave
A longitudinal wave is a vibration or disturbance that is periodic in nature and it takes place in the same direction as the wave that propagated it.
It is a vibration of a medium that is parallel to the direction of the wave travel.
In conclusion, when we In a longitudinal wave, particles of the medium vibrate in a direction that is perpendicular that the wave travels the statement is: FALSE
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What is Motion
No copy and pasting
Answer:
Movement
Explanation:
Example: when something is moving we say it is in motion
help = brainlist please
(a) Waves P and Q have the same frequency, but wave P has twice the wavelength of wave Q
(b) Waves Q and R have the same wavelength, but wave R has twice the frequency of wave Q.
(c) Wave T shows a steady frequency but changing amplitude
(d) Wave S shows a steady amplitude but changing frequency
(e) Waves Q and R have a low amplitude and a steady frequency
HOPE THESE ARE RIGHT
There is a pulley arrangement with a worker standing on a raised platform. The worker is standing on a platform 4 m above the floor. How many meters of rope must he pull through his hands to raise the block from the floor to his position?
Answer:
I am kind of confused-
Explanation:
Do you mind re-writing and explaining the question more?
What color in the visible spectrum has the longest wavelength?
A) green
B) blue
C) red
D) yellow
Answer:
red
Explanation:
iF YOU LOOK AT A SPECTRUM RED HAS THE LEAST ENERGY AND FREQUENCY AND THE LONGEST WAVELENGTH
also sorry had caps on lol but idw waste ur time rewriting it
Temperature is a measure of the average speed of the ____ of a thing.
Answer:
it is atoms and molecules
Lucia is playing with magnetic toy vehicles. She has two identical toy vehicles (purple and pink) that start on opposite sides of a center magnet that cannot move. She moves both vehicles one space closer to the center magnet Please explain what would happen if Lucia released hold on the two magnet cars. How do you know?
Answer:
They would connect
Explanation:
The cars are magnetic
Answer:
The potential energy of both toy vehicles, purple and pink, increased. The potential energy of the two vehicles increased because they were moved against the magnatic forces. The potential energy of the pink car increased more then the potential energy of the purple car because the pink car was closer to the center magnet. Since the pink toy was moved closer to the magnet, it will have more potential energy because of the short distance between it and the centre magnet. As we know, potential energy does not increase linearly. Meaning when because the pink magnet is closer to the centre magnet than the purple it will have a greater potential energy increase than the purple. The purple toy as well is now closer to the magnet and will have a potential energy change, but not as large as the pink's change.
Explanation:
the image is a pic of the problem
A wave that travels through is called a _____ wave? PLZ be specific just one word answer
Answer:
A longitudinal wave
Explanation:
Hope this helps!
Correct answer will get brainly
Answer:
divergent
Explanation:
Answer:
2nd one: divergent boundary
Explanation:
Earth's crust can come together and collide (a “convergent” plate boundary),
spread apart (a “divergent” plate boundary), and
slide past one another (a “transform” plate boundary).
Which condition is indicated by muscle spasms and jer ky or stiff movements?
frostbite
seizures
hyperthermia
Answer:
Perhaps seizures
Explanation:
A student conducts an investigation to study the impact of solar energy on land and water surfaces. He places a cup of soil and a beaker filled with water of the same mass on a plastic tray beside a window. After 10 minutes, he measures that the temperature of the water in the beaker is lower than the temperature of the soil. He places the plastic tray in the shade of a tree, and after another 10 minutes, he measures that the temperature of the water in the beaker is higher than the temperature of the soil.
What can the student conclude from his investigation?
Land heats up faster and releases heat faster than water.
Water heats up faster and releases heat faster than land.
Land heats up faster but releases heat slower than water.
Water heats up faster but releases heat slower than land.
Answer:
The answer is D. Water heats up faster but releases heat slower than land.
((I wasn't sure abt my answer but I was also 70% sure it's correct.. but have a good day!))
#1. How does a topographic map help an architect?
A It shows where to build a structure.
B It shows how to build a structure.
C It shows the elevation of a building site.
D It tells the builder how the architect wants the parking lot.
#2. How do plants help in erosion control?
A Plant roots hold the soil in place.
B Plants are pretty and keep the neighborhood from being ugly.
C Plants don't help in erosion control.
D Plants allow the soil to float in the rainwater.
#3. The term deposition is used in paragraph 4. Based on context, this term means ____________.
A laying down of sediments
B erosion control
C silt fences
D landslides
#4. How do satellite views help scientists?
A They give scientists the ability to predict catastrophic events.
B Satellite cameras are not good enough to really be helpful.
C They allow scientists to know where valuable minerals are located.
D They allow scientists to see changes as they happen.
Answer:
question #1 it is C
question #2 it is A
question #3 is i believe A
question #4 is D
question #5 is i believe is B
Explanation:
hope i helped and tell me if you need me to explain anything
A topographic map helps architects to find the elevation of a building site. Plant roots hold the soil in place and helps prevent erosion. The term deposition is used means laying down of sediments.
Satellite views help scientists they give scientists the ability to predict catastrophic events.
What is topographic maps?A topographic map depicts the geographical features of the region. They might make use of them to make sure their designs are on the proper road. It shows the elevation of a building site. Thus option D is correct.
Soil erosion is the process of flowing of soil with water during heavy rains or floods. Plant roots are strongly adhered and they strongly holds the soil under roots. They helps prevent erosion.
The term deposition means the laying down of sediments. Rock sediments sands, and other minerals undergo sedimentation.
Satellite views helps scientists the ability to predict catastrophic events. Satellites study changes occurring around planet and forecast the presence of extra terrestrial objects and their movements.
To find more on topographic maps, refer here:
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#1. How does a topographic map help an architect?
A It shows where to build a structure.
B It shows how to build a structure.
C It shows the elevation of a building site.
D It tells the builder how the architect wants the parking lot.
#2. How do plants help in erosion control?
A Plant roots hold the soil in place.
B Plants are pretty and keep the neighborhood from being ugly.
C Plants don't help in erosion control.
D Plants allow the soil to float in the rainwater.
#3. The term deposition is used in paragraph 4. Based on context, this term means ____________.
A laying down of sediments
B erosion control
C silt fences
D landslides
#4. How do satellite views help scientists?
A They give scientists the ability to predict catastrophic events.
B Satellite cameras are not good enough to really be helpful.
C They allow scientists to know where valuable minerals are located.
D They allow scientists to see changes as they happen.
AQ5. What is a car’s speed in m/s if it travels: Remember to write the speed number WITH the correct unit.
a.5 meters in 0.1 seconds?
b. 5 meters in 0.2 seconds?
c. 10 meters in 0.2 seconds?
Ur suposed to solve for each one so like a you have to figure out what the speed is and b you have to figure out what the speed is and c you have to figure out what the speed is. Im pretty sure its the distance divided by the time to get the answers but im not sure.
Answer:
Explanation://
Answer:I think it is 50 m/s
Explanation:
Distance = rate * time
Divide both side by time to get rate
Rate = Distance / time
5/.1 = 50 m/s
10/.2 = 50 m/s
Science- Look at both pictures below.
Answer: I think it would be Different atoms
The change from a gas to a liquid is called _____.
sublimation
evaporation
condensation
melting
Answer:
The change from a gas to a liquid is called
condensation.
Think of what the water is doing at different stages at a dam. The water stored behind a dam is an example of _____ energy. As the water flows through the dam, it turns a turbine of a generator, and so the kinetic energy is converted to _____
energy.
Answer:
Potential, mechanical
Explanation:
Hope this helps :) The second one may be iffy but hope it helps
Give two properties of compounds
please help answer much as possible there's 4 questions
Answer:
6. A
7. A
9. B
hope dis helps ^-^
Correct answer get brainly
Answer:
Your answer is the 3rd one: Erosion.
Explanation:
The process where rocks are broken down by natural forces such as wind is Erosion.
Out of these options, a vegetarian (one who does not eat chicken, pork, beef, or turkey only) can get the MOST protein from
A.1 Flinstone Vitamin
B.Nuts and Beans and Seafood
C.Chicken
D.None of the Above
Two pine cones are falling from a pine tree. Both pine cones are falling at the same speed.
If Pine Cone 1 has LESS MASS than Pine Cone 2, which pine cone has more kinetic energy?
Answer:
Pine cone 2 does, the more mass an object has, the more kinetic energy is has.
Explanation:
Brainliest Please?
If two objects are moving at the same speed, the object with more mass has more kinetic energy. Is this satement true or false?
Answer:
it is True
Explanation:
Consider these scenarios.
Scenario 1- Your ear is resting on the end of a metal bar that is stuck by a drumstick about 7 meters away from your ear.
Scenario 2- You are about 7 meters away from a metal bar that is struck with a drumstick. The sound travels through the air to your ear.
In which of these scenarios would the sound of the drumstick hitting the metal bar get to you in the least amount of time? Explain your answer.
Answer:
The sound of the drumstick hitting the metal bar will get to me in a shorter amount of time in Scenario 1. The sound wave will travel faster in the metal bar than through the air because the speed of sound waves in solids is faster than it is in gases.
Explanation:
The sound will reach my ear in a shorter time in Scenario 1 because sound travels faster through the metal bar than through the air. The speed of sound waves in solids is faster than it is in gases.
As a skier starts down a hill her velocity is 6 m/s. However, 3 seconds later her velocity is 25 m/s. What is the average velocity of the skier going down the hill?
To solve, I would use the equation:
Acceleration= (final velocity- starting velocity)/change in time
True
False
Answer:
false not completly sure
Explanation:
Miguel and Mariana both play drums in the marching band. The band director
told them that they needed to lower their amplitude. What do they need to do to lower it?
A. Strike the drum with less force/energy.
B. Strike the drum more often.
C. Strike the drum with more force/energy.
Assignment: Energy for the Future Exploration
Use data from the past to make a prediction about future coal production. When making a prediction, look for trends in the data and use other information to support your prediction.
Coal Production Table
United States Coal Production by Region, 1995–2011 (in million short tons)
Year Appalachian Interior Western
1996 452 173 439
1997 468 171 451
1998 460 168 489
1999 426 163 512
2000 421 145 510
2001 431 147 548
2002 396 147 550
2003 376 146 549
2004 390 146 575
2005 397 150 585
2006 391 151 619
2007 378 147 621
2008 390 147 634
2009 341 146 585
2010 335 156 592
2011 336 170 588
Study the Coal Production Table and find out which region of the United States produced the most coal in 1996 and which region produced the most coal in 2011. Write your answers here.
1996:
2011:
Graph (see next page for graph paper grid)
Using the data from the Coal Production Table, create a graph of coal usage in each region over the years. The x-axis should be years, and the y-axis should be coal production. Use a different symbol or color to represent each region. Remember to include titles and labels.
Scan or take a picture of your graph and submit it with your assignment.
Analysis
Changes over time are called trends. You can see on the graph a downward trend in the Appalachian and Interior regions and an upward trend in the Western region.
Try predicting future coal production. Using a ruler, draw the lines for each region. Go beyond 2011. Draw the line with the same pattern it follows on the graph. The extension of the lines is based on what you predict will happen with coal production.
Questions
1. How much coal will be produced in the year 2020 for each region?
2. What trend would you predict for the next ten years for each region?
3. If people keep using coal in the same way, scientists say there may be enough coal reserves to last 200 to 300 years. Does your graph show trends that match what scientists say? What kinds of factors might cause them not to match?
4. Can you think of any problems that could come from using only 15 years of data to predict trends for the next 100 years? Explain your answer. How could you prevent some of these problems?
Answer: question 1. 1million more coal
Explanation: because study shows that its 367 but now 368
Which ramp requires the least amount of force?
A man pushes a ball on a ramp with an arrow after the ball pointing up the ramp. The ramp is labeled with length 2 feet and height 1 foot.
A man pushes a ball on a ramp with an arrow after the ball pointing up the ramp. The ramp is labeled with length 3 feet and height 1 foot.
A man pushes a ball on a ramp with an arrow after the ball pointing up the ramp. The ramp is labeled with length 4 feet and height 1 foot.
Answer:
Its C edge 2022
Explanation:
What is the net force?
I have two questions
1. "Explain the relationship between amplitude and energy"
2."Explain the relationship between frequency and energy"
Answer:
1)The energy transported by a wave is directly proportional to the square of the amplitude. So whatever change occurs in the amplitude, the square of that effect impacts the energy. This means that a doubling of the amplitude results in a quadrupling of the energy
2)Just as wavelength and frequency are related to light, they are also related to energy. The shorter the wavelengths and higher the frequency corresponds with greater energy. So the longer the wavelengths and lower the frequency results in lower energy.
Explanation:
Correct answer gets marked brainly
Answer:
CHEMICAL WHETEARING
Explanation:
good luck on ya test bud