Answers
Answer:
Explanation:
Related Questions
2) In the formula p=mv, identify the word that each letter stands for.
Answers
Answer:
p = momentum
m = mass
v = velocity
Hope this helps!
1) Would a person's weight on Earth be the same as it would be on the moon? Explain using the key words weight, mass & gravity.
Answers
Answer:
The force gravity exerts on a person determines the person's weight. Even though your mass would be the same on Earth and the moon, if you weigh 132 pounds (60 kilograms) on Earth, you would weigh about 22 pounds (10 kilograms) on the moon.
Explanation:
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when enough stress builds up in brittle rock, the rock breaks, causing a ___ to form
Answers
How do faults form? When enough stress builds up in rock then the rock breaks creating a fault. A normal fault occurs when rock is being pulled apart by tension; in this type of fault the hanging wall moves downward and the foot wall moves upward due to the tension in Earth's crust.
“ As temperature increases, energy increases, and the speed of the molecules _______________ .”
Answers
Answer:
If the temperature is increased, the average speed and kinetic energy of the gas molecules increase.
Explanation:
Hope it helped
In many environments, the temperature of the ground and the air right above the ground are both very similar in the middle of the night. Engineers have proposed developing a portable pop-up hammock that would allow people to sleep suspended in the air above the ground in emergencies. It will take time and money to develop a really lightweight, easy to collapse, low cost design. Before they invest the resources to do this, explain whether what you learned about energy transfer makes this an idea worth pursuing. Would suspending a person in a hammock, wrapped in one of the blankets you chose above, decrease the amount of temperature change compared to sleeping directly on the ground with one of these blankets? Explain.
Answers
Answer:
yes i think so
Explanation:
Hammock is a good idea to reduce the effect of cold in night. It is more better than sleeping directly on the ground with one of these blankets, because, the heat will transfer from us to the cool ground which make us more cool.
What is heat transfer?Heat is able to transfer from the hotter region to colder region based on the temperature gradient. The temperature gradient occurs from the difference in heat radiated in each regions.
The convection current in air occurs due to this temperature gradient. During winter seasons, the colder grounds can absorbs the heat from our body and make us cool. Thus, contact with the ground in colder nights make us more cool.
The same advantage of air circulation around your body on warm nights is provided by a nylon hammock. Additionally, a cozy under blanket (like this one from Cedar Ridge or this one from Little Shop of Hammocks) will keep your backside warm when the weather drops.
To find more on hammocks, refer here:
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How is your eardrum similar to a real drum?
It vibrates.
It is unpredictable.
It produces sound.
It is hollow.
Answers
Answer:
it vibrates
Explanation:
drums vibrates to make noise, and ear drums vibrate from sound.
Answer:
it vibrates
Explanation:
i took this quiz
A dog whistle has a high frequency. What can you infer about the dog whistle?
It would be very loud.
It would have a high pitch.
It would have a high amplitude.
It would have a long wavelength.
Answers
Answer: It would have a high pitch.
Explanation: since the whistle has a high frequency, I can infer that it will have a high pitch.
Answer:
it would have a high pitch
Explanation:
like if u take a hearing test the sounds are usually high pitch
help me fastttttttttttt
Answers
Answer:
True is my answer
#Carry on learning#:)
Answer:
True
Explanation:
Bc u said it already the answer
PLEASE HELP SCIENCE SCIENCE HELP PLEASE PLEASE HELP SCIENCE SCIENCE HELP PLEASE PLEASE HELP SCIENCE SCIENCE HELP PLEASE PLEASE HELP SCIENCE SCIENCE HELP PLEASE PLEASE HELP SCIENCE SCIENCE HELP PLEASE PLEASE HELP SCIENCE SCIENCE HELP PLEASE PLEASE HELP SCIENCE SCIENCE HELP PLEASE PLEASE HELP SCIENCE SCIENCE HELP PLEASE PLEASE HELP SCIENCE SCIENCE HELP PLEASE PLEASE HELP SCIENCE SCIENCE HELP PLEASE PLEASE HELP SCIENCE
Answers
Answer:
AAAAAAAAAAAAAAAAAAAAAAAAA
Answer:
A. 1.67×10^-24
Explanation:
Which method of galaxy formation is expected to dominate far in the future?(1 point)
A) primordial collapse
B) merging
C) slow evolution
D) spreading
Answers
Answer:
its c) slow evolution
Explanation:
I took to qc
What is a characteristic of hardness in science?
Answers
Answer:
The ability to resist being scratched—or hardness—is one of the most useful properties for identifying minerals. Hardness is determined by the ability of one mineral to scratch another.
The ability to resist being scratched or hardness is one of the most useful properties for identifying minerals.
Explain how you can determine which gas is most likely to work well in a thermoacoustic generator based on position on the periodic table.
Answers
Answer:Osmium and hassium are most likely to have similar properties because they are in the same group. Argon and neon are in the same column of the periodic table.
Answer:
Osmium and hassium are most likely to have similar properties because they are in the same group. ... Argon and neon are in the same column of the periodic table
How do planets with larger masses apply greater gravitational forces on objects compared to planets with less mass?
⇒ Please answer in your own words
Answers
Answer:
it's bigger
Explanation:
it's bigger than the planet with less mass
Answer:
bigger.
because the bigger the plant is the less mass it has .
hope this helped you
Part A
Describe the type of change in matter that occurred in thisinvestigation and provide evidence to support your response.
Part B
Describe a chemical property of baking soda.
Part C
Explain how the results of the investigation support the Law of Conservation of Matter.
Part D
Provide a brief explanation whythe investigation measurements differed.
Answers
Answer:
part b:
Sodium bicarbonate is a white, crystalline powder that sometimes forms lumps. It is odorless and has a bitter, salty taste. At room temperature, it is a solid. Solubility, or the ability of a substance to dissolve in water, is also a physical property. Sodium bicarbonate is soluble in water and can be separated from water through evaporation.
Explanation:
In the reaction of baking soda with acetic acid carbon dioxide gas is evolved that's why the balloon inflates. The mass in the product side and reactant side ar equal and the the total mass is conserved.
What is mass conservation?According law of conservation of mass, mass can neither be created nor be destroyed. Therefore, the total mass of a system will be conserved. In a chemical reaction, the total mass of reactants is equal to the total mass of products and thus no mass loss occur there.
In the reaction of vinegar (acetic acid) and sodium bicarbonate or baking soda, the mass on both side is equal and we get the product mass equal to the total mass of reactants if the experiment is carefully done.
Sodium carbonate is a colourless weak base, which can easily react with an acid and gets protonated. When sodium bicarbonate that is NaHCO₃, with vinegar CH₃COOH, it will produce carbon dioxide and water.
This carbon dioxide gas evolves to the balloon which is stretched on the top and the balloon will inflates.The measurements will differ at each moment because we are measuring it in different events of the reaction where the gas is evolving out.
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PLS HELP
Look at the graduated cylinder. It contains the liquids listed in the data table. Match each liquid to the correct layer in the graduated cylinder. PLS HELP
https://d3rqz33hmpm7kb.cloudfront.net/2020-11-13/5f3ac626a22583fa93635140/5fae8af5e152318644188f65_rich-text-file-2020-11-13T13-32-35-83Z.imagepng
Answers
Answer:
canola oil goes on top below that is salt water below that is ether and below that is corn syrup
Explanation:
Which interaction occurs when light goes into an object as heat energy?
Answers
Answer:
Absorption. Absorption occurs when photons from incident light hit atoms and molecules and cause them to vibrate. The more an object's molecules move and vibrate, the hotter it becomes. This heat is then emitted from the object as thermal energy.
Explanation:
1
Which of the following describes compounds?
a. are composed of two or more elements that are chemically combined
b. are random combinations of elements
c. are composed of elements that join in a specific ratio according to their masses
d. have the same characteristic properties as the elements that form them
Answers
Answer:
A
Explanation: The definition of a compound is two elements chemically connected
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Answers
Answer:
Atomic number = 42
Chemical symbol = Mo
Number of protons = 42
Atomic mass = 96
Number of electrons = 42
Number of valence electrons = 1
number of electrons in n=3 shell = 8
Number of neutrons = 54
hope this helps :)
What are the 3 properties of metals?
Answers
Answer:
lustrous durable highly malleableExplanation:
brainliest plz
High density
Good conductor of heat and electricity
Can you make some notes related to these texts?
Answers
Answer
Explanation:
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• Acceleration: change in velocity compared with the time it takes to change
- Average Acceleration: (Final Velocity - Starting Velocity) / Time
• Velocity: expressed in meters per seconds (m/s)
• Time: expressed in seconds (s)
• Acceleration is measured in meters per second per second
- meters per second squared (m/s²)
Picture #2:
• Acceleration is a vector
- magnitude
- direction
• Acceleration: increases and decreases in speed
• Positive Acceleration: increase in speed
- sliding down from a hill
- small velocity -> large velocity
• Negative Acceleration: decrease in speed
- car slowing then
- high velocity -> low velocity
- initial velocity is larger than final velocity
- (v2 - v1) will be negative
- acceleration “a = (v2 - v1) / t” will be negative
• Acceleration and velocity (rate of motion) in the same direction = speed will increase.
• Acceleration and velocity in opposing directions = speed will decrease
Picture #3:
• Acceleration: rate at which velocity changes
• Velocity is a vector: has magnitude & direction
- magnitude or direction changes = the velocity changes
• Object accelerates speed = direction of motion or both magnitude and direction changes
• Acceleration depends on amount of time for the change to take place and how much velocity changes
- Small change in velocity can be a large change in acceleration if the change occurred quickly.
- Large change in velocity can be a small change in acceleration if the change occurred slowly.
- Increasing speed by 5 m/s in 5 seconds is smaller acceleration to increase speed by 5 m/s in 1 second.
Picture #4:
• An object changing the direction of motion experiences acceleration even when not speeding up or slowing down
• An object is always turning.
• Centripetal Acceleration: acceleration in circular mode.
pls help me…………………..
Answers
Answer:
Potential,Kinetic
Explanation:
When an object is higher up on a surface it has more Gravitational Potential Energy whilst when an object is lower down but moving fast it has more kinetic energy. So when the object moves down the ramp energy is transferred from the gravitational potential energy store to the kinetic energy store.
how can I determine which gas is most likely to work well in a thermoacoustic generator based on position on the periodic table.
Answers
Answer:
Well, you can determine by the placement of the element on the table. I hope this helps you! :)
Which surface is most likely to create an echo?
a room with hard, flat walls
a room with hard, bumpy walls
a room covered in soft, wavy curtains
a room padded with soft, flat cushions
Answers
A room with hard, flat walls surface is most likely to create an echo. Hence option A is correct.
What is echo?Echo is defined as a recurrence of sound caused by sound waves being reflected off of a wall, mountain, or other obstruction. Bats, dolphins, and fishermen all use echoes to find objects or obstructions. To find an obstruction, they are also utilized in SONAR (Sound navigation and ranging) and RADAR (Radio detection and ranging).
Buildings made of glass, metal, and concrete, the brick and metal interior of a warehouse, marble floors and buildings, or, if the room is designed in such a way that the acoustics produce an echo, plastered and painted interior walls, are examples of man-made materials that are smooth enough to produce an echo.
Thus, a room with hard, flat walls surface is most likely to create an echo. Hence option A is correct.
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Which part of the ear converts vibrations into nerve impulses?
cochlea
auditory nerve
outer ear
eardrum
Answers
Answer:
cochlea
Explanation:
The cochlea is filled with a fluid that moves in response to the vibrations from the oval window. As the fluid moves, 25,000 nerve endings are set into motion. These nerve endings transform the vibrations into electrical impulses that then travel along the eighth cranial nerve (auditory nerve) to the brain.
:)
The cochlea is filled with a fluid that moves in response to the vibrations from the oval window. As the fluid moves, 25,000 nerve endings are set into motion. These nerve endings transform the vibrations into electrical impulses that then travel along the eighth cranial nerve (auditory nerve) to the brain.
HELPPPPPPPPP
HI PLSPLS
Answers
How large is a typical animal or plant cell? A. 1-100 millimeters B. 1 meter C. 10-100 nanometers D. 10-100 micrometers WILL MARK BRAINLEST Science
Answers
Answer:
10-100 micrometers
Explanation:
How does the initial mass of the candle compare with the final mass? Does this violate the Law of Conservation of Mass? Explain your reasoning.
Answers
What answer best describes Carbon Dioxide (CO2)?
compound
molecule
element
Answers
Answer:
Molecule
Explanation:
Hope this helps!
It’s not elements bc elements is only one
Which one is the molecule?
Oxygen (O)
Dioxygen (O2)
Answers
Oxygen is the molecule.
Answer:
Oxygen (O)
Explanation:
Jim thinks that he can throw a baseball six meters per second. What does the six meters refer to? (2 points)
a
The speed the baseball travels in six seconds.
b
The distance the baseball travels in one second.
c
The distance the baseball travels in six seconds.
d
The time it takes the baseball to travel one meter.