Commercials for a toy bouncy ball advertise that it will bounce to a height that is greater than the
height from which it was dropped. Why is this impossible?
Answers
Answer:
because energy will be lost due to friction, sound, and heat (arguably similar to friction) and ENERGY MUST STAY THE SAME so it is IMPOSSIBLE for the ball to bounce higher than when dropped!
Related Questions
How does the Wikileaks scenario show the negative power of the media?
A. The media compromised national security.
B. The media released popular information.
C. The media got someone in trouble.
D. The media can break the law.
Answers
Answer:
B. The media released popular information.
Explanation:
We do not share the power in our media.
Answer quick and correctly for brainliest (remind me to give brainliest i usually forget.) PLEASE ANSWER ITS MY LAST QUESTION AND IM ABSELOUTELY CLUELESS
Marine plants, such as algae, use CO2 to make energy. Ocean fertilization is the introduction into oceans of nutrients that encourage the growth of these plants. How can this technique affect the pH in oceans that already have higher than normal CO2 readings?
Answers
Answer:
the pH decreases and the ocean becomes more acidic.
Explanation:
A small change in the pH of seawater can have harmful effects on marine life, impacting chemical communication, reproduction, and growth.
Ocean fertilization can affect the pH in oceans that already have higher than normal carbon dioxide readings as it decreases the pH of the ocean water and it becomes more acidic.
What is Ocean fertilization?Ocean fertilization or the ocean nourishment is a type of technology which include carbon dioxide gas removal from the ocean water and it is based on the purposeful introduction of the plant nutrients to the upper ocean water to increase the marine food production and also for the removal of carbon dioxide gas from the atmosphere.
Ocean fertilization is a technique which affects the pH in the oceanic water and this already have higher than normal carbon dioxide readings. The pH of the oceanic water decreases and the ocean becomes more acidic in nature. A small change in the pH of ocean water can have harmful effects on the organism's life, impacting chemical communication, reproduction, and the growth.
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Jennie observes her brother playing pool and has a theory that the potential energy in the pool stick is transformed into kinetic energy when he hits the ball.
Answers
Answer:
This theory is true and should continue to expand on this theory.
Explanation:
hope this helps.
Earth's atmosphere is composed of
A.
iron, oxygen, and silicon.
B.
nitrogen, oxygen, and trace amounts of other gases.
C.
water, liquid oxygen, and trace amounts of other liquids.
D.
carbon dioxide, ozone, and magnesium.
Answers
Answer: B
Explanation:
:)
Find the weight of a 25 kg object.
-2.6 N
-35 N
-250 N
-0.392N
Answers
A skydiver dives from an airplane. Air resistance is measured each second following the skydiver’s jump. Which statement BEST identifies the skydiver’s speed at each second?
PLS HELP QUICK
Answers
Answer: (B) 4 Seconds
Explanation: The Balance of weight and air resistance equals out after 4 seconds giving you your terminal velocity. (the fastest speed you can travel at your given weight and air resistance)
Answer : B. The sjydriver has the fastest speed at 4second.
What is air resistances ?
--Air resistance is a type of friction force.
-- Air resistance, there are not two solid surfaces in contact.
-- Air resistance is the frictional force acting on an object and the air around them.
--This means that friction always pushes in the opposite direction than the skydiver is travelling, therefore slowing the skydiver down.
Concept Used
-- When the skydiver jumps off the plane, their speed would accelerate because the pull of gravity on the person, or their weight force, is greater than the air resistance slowing them down.
-- A person’s weight force will always stay the same.
-- The weight force of the person will equal their air resistance.
-- This would make the skydiver travel at constant speed.
--To travel at constant speed forces have to be equal to zero.
--This constant speed is called terminal velocity
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A force of 250N is applied to the rope on a pulley system. The box you are
lifting with pulley requires a force of 1250N. What is the MA of the pulley
system? *
Answers
Explanation:
Hope it will help you a lot.
What is the name of the system that standardizes measurements in science
Answers
Explanation:
the international system of unit of the aside from the branch system International is a unit is is the metric system used in Sin industries and medicine
Answer:
Metric system
Explanation:
Also known as SI system
What do you predict might happen if groundwater sources around the world continue to be depleted faster than they are restored?
pls answer asap
Answers
Answer: Pumping groundwater faster than it can recharge can lead to dry wells, especially during droughts.
Make a list of twenty things in your home that are things you need. These should be things related to supplying you with warmth, food, and shelter
Answers
Answer: If in some sort of survival situation this might be of some help if its not then im not sure
1. Fire starter it is always handy to keep some sort of object that can help with warmth like a lighter matches or flint
2. A first aid kit would also be extremely helpful in case of injury it carries multiple different types of ways to clean a wound and bandage it properly
3. a Compas map or some sort of navigational device would be helpful in case you got lost
4. A phone or any way of communication would be helpful
5. Layers of clothing would be great or some sort of clothing fit for the climate you are in warm insalated clothing for winter and light clothing for heat
6. Rope or cords can be used for many things in the wild much like traps keeping your items or food off of the ground at out of the reach of animals
7. Water carrier and or any sort of water filtration device it is best to keep you from getting dehydrated.
8. A light source like a flashlight
9. Bug spray most insects can carry diseases like mosquitos and malaria
10. Any sort of survival knife bone saw or machete anything that can cut up animals or wooded areas are very helpful
11. Blankets they are very useful in keeping you warm out in the elements
12. Tarps they are best at keeping things dry
13. Batteries and charging devices are also very helpful
14. weapons like guns bow and arrows or knives are also useful
15. Burnable materials like paper cloth and such are useful for starting fires
16. meat is a very good source of protein and can be used to help keep the calorie intake for your body steady
17. berries are good for the sugar intake and as well as the jucie and water stored inside
18. beans are highly nutriocis they hold calcium and iron and can be dried up and stored for later needs
19. Fish it has omega-3 fatty acids which are healthy for your heart and it is high in vitamin b-12
20. oats they lower cholesterol levels and carries essential vitamins needed to keep the body healthy
Which is a characteristic of the part of the atom marked
"A"?
It contains most of the mass.
It is negatively charged.
It is mostly empty space.
It is composed of electrons.
Answers
Answer:
Order can include highly organized structures such as cells, tissues, organs, and organ systems.
Interaction with the environment is shown by response to stimuli.
The ability to reproduce, grow and develop are defining features of life.
The concepts of biological regulation and maintenance of homeostasis are key to survival and define major properties of life.
Organisms use energy to maintain their metabolic processes.
Populations of organisms evolve to produce individuals that are adapted to their specific environment.
Answer:
Order can include highly organized structures such as cells, tissues, organs, and organ systems.
Explanation:
calculate the weight of a lunch box if its mass is 1.2kg.?
Answers
Answer: 0.12
Explanation: Mass is the amount of matter in a substance. Weight is the amount of gravity acting on the substance.
Answer:
0.12
Explanation:
How are mountains and plateaus alike?
Both are raised areas.
Both have level surfaces.
Both have low reliefs.
Both are peaked surfaces.
Answers
If someone lifts less weight than you, explain why that person could be considered more powerful.
Answers
Answer:
there faster
Explanation:
stronger,wiser,better,THEY ARE BETTTEEEEEEEERRRRRRRR
Answer:
they're so strong that they don't need to lift heavy weights anymore because they're experts (slay lol). so they just have a simple daily workout.
2 Points
A student made a model to show the cycling of carbon.
Food → Consumers → Carbon dioxide → Producers > Sugar
Which necessary step in carbon recycling is missing from the student's
model?
A. Raindrops, because plants need water to grow
B. Pollinators, because they spread pollen from plant to plant
C. Decomposers, because they break down organic matter
D. Rocks, because they are broken down to make soil
SUBMIT
Mf b
Answers
Answer:
c
Explanation:
The step that has been missing in the carbon cycle has been decomposition, as it breaks the organic matter into simpler carbon that can be absorbed. Thus the correct option is C.
The carbon cycle can be defined as the transfer of carbon in varying forms in the atmosphere. Carbon has been present in the atmosphere in the form of air.
The air has been taken up by the plants for the formation of glucose. The atmospheric carbon has been converted into sugars by photosynthesis.
The sugar has been taken up by the consumers and is released back into the earth from the decomposition of the plants and waste from consumers or by the combustion process.
The carbon cycle can be given as:
Photosynthesis (Food) \(\rightarrow\) Consumers
Decomposition \(\downarrow\) \(\downarrow\) Combustion
Carbon dioxide
The step that has been missing in the carbon cycle has been decomposition, as it breaks the organic matter into simpler carbon that can be absorbed. Thus the correct option is C.
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Please select the word from the list that best fits the definition
Gives a pictorial indication of how far and fast an object has moved
a. speed
b. velocity
c. frame of reference
Answers
Answer: the answer is C
Explanation:
hope it helps friend :)
Which types of electromagnetic waves are most likely to cause atoms and
molecules in the human body to ionize?
A. Infrared and radio
B. X-rays and gamma rays
C. Ultraviolet and infrared
D. Gamma rays and microwaves
Plz help fast
Answers
Answer: Its B
Explanation:
Answer:
B
Explanation:
(06.01 MC)
A student made the following observations about astronomical bodies.
Observation 1: The sun rises and sets.
Observation 2: The stars move daily across the sky.
Which observation(s) can be explained using the geocentric model?
Select one:
a. Only observation 1
b. Only observation 2
c. Both observation 1 and observation 2
d. Neither observation 1 nor observation 2
Answers
Answer: C. Both observation 1 and observation 2
Explanation: A geocentric model shows the stars and the sun and where they move to.
God bless. <3
What would happen to the digestion process if enzymes were not present
Answers
Answer: It would take 2.3 billion years for the biological reaction without the presence of enzymes. It’s because, without them, your body can’t break down foods so that nutrients can be fully absorbed. Every organ, every tissue, and every 100 trillion cells in our body rely upon the reaction of metabolic enzymes and their energy component.
Explanation:
I hope this helps
Without enzymes, the body would not be able to break down complex carbohydrates, proteins, and fats into their component molecules. This means that these nutrients would not be absorbed by the body and would be excreted as waste.
Additionally, the lack of enzymes would make it difficult for the body to digest and absorb vitamins and minerals. This could lead to malnutrition and other health problems over time.
Overall, the absence of enzymes from the digestive process would severely impair the body's ability to extract nutrients from food and could have negative consequences for overall health and well-being.
ason lives near a state park, and he likes hiking through the grassy trails that lead to a nearby lake. He appreciates nature and the surrounding components making up the ecosystem.
Jason knows humans rely on ecosystems and their cycling of matter and energy. Read each ecosystem service example below and identify the type of ecosystem service for each.
___
natural resources
____
plants and animals
____
water cycle and nutrients
____
recreational services
1.
cultural services
2.
regulating services
3.
provisioning services
4.
supporting services
Answers
Answer:
This was not helpful at all i dont likle you ur not invited to my birthday party it was a sleepover too!
Explanation:
I dont want to pay for premium. give me answers for free
How do we know there has not been an increase in the number of earthquakes? Officials from the U.S. Geological Survey, the government agency that keeps track of earthquakes, point to statistics. On average, there have been no more earthquakes so far in 2010 than there were in previous years.
What Happens During Earthquakes?
In reality, it's not the number of quakes that has gained our attention, but the devastating impact quakes can have. Earthquakes are very natural—it's inevitable that they'll happen because of the way the planet works. The earth's surface is made up of tectonic plates that fit together like puzzle pieces and are always moving past each other. When two of the plates' edges get caught, stress builds up at the fault line—the crack between the plates. When the plates are finally able to break free of each other, the stress is released, and an earthquake occurs. Earthquakes of varying strengths happen every day, usually at fault lines. Some of these quakes have a high magnitude, while others are relatively weak. But it's often where an earthquake takes place that determines whether it will be something that goes largely unnoticed, or a disaster that affects thousands of people.
What Is Changing?
In the past, earthquakes were not as much of a problem because Earth's population was smaller, and cities were less populated.
"Look at some of the big [earthquakes] recently," said Debarati Guha-Sapir of the World Health Organization. Guha-Sapir cited some earthquakes that took place in areas where the population had increased in recent years, making the quakes more serious. "Had the Izmit or Bhuj quakes [of 1999 and 2001] happened 30 years ago, the events would have been relatively insignificant, as the [populations] of these cities were a third of what [they were when the earthquakes happened]. Increasing population density makes a small event into a big one."
Some of the earthquakes that took place in early 2010 occurred in highly populated areas, as well. More people are moving into megacities that happen to be built on fault lines—and many cities are on fault lines. Of the 130 cities with more than one million people, more than half are in earthquake zones, making them more prone to earthquakes.
In many of these cities, officials have drawn up laws requiring that buildings be designed and constructed to endure earthquakes. But some cities, particularly those in developing countries, lack the resources to do this. There, people are rapidly putting up substandard buildings that can't withstand the force of the shaking earth. For example, the Haiti earthquake took place near the nation's crowded capital. There was a great deal of destruction because there were "too many people crammed into a city that wasn't meant to have that many people and have an earthquake," said University of Miami geologist Tim Dixon.
Another reason quakes seem worse is that we're paying more attention. Everyone noticed when the Haiti earthquake was quickly followed by the Chile earthquake. Many people watched the news and the Internet for updates on these disasters, unable to believe that they were seeing two major earthquakes in such a short period of time. But eventually, the earth will have a period when earthquakes are minor or in unpopulated areas. Then people won't notice quite so much anymore.
"People are paying attention to the violent planet we've always lived in," said Dennis Mileti, a seismic researcher. "Come back [at a time when] there have been no [noticeable] earthquakes, [and] most people will have forgotten [about them] again."
According to the article, what is one reason why it seems as if the world is experiencing more earthquakes than usual?
Answers
Answer: because there has not been one in years
Explanation: there was not on now 2023, 2022, 2021, 2020, and 2019
Answer:
The number of earthquakes has not increased because earthquakes didn't happen in the USA for a while.
Explanation:
What two gases in the atmosphere do animals and plants need to breathe and grow?
Answers
Answer: Explanation:
Plants and animals each produce the gases that the other needs to live. Plants need carbon dioxide—people and other animals exhale carbon dioxide as a waste product. People and other animals need oxygen—plants produce oxygen during an important process called photosynthesis, which turns the sun's energy into nutrients.
Why are two objects with mass drawn to each other?
Answers
Answer:
Objects with mass attract each other because of gravity. Gravity is caused by the attraction of objects with mass. Mass does not attract mass, but rather spacetime is curved. You could even argue there is no mass, its all just energy.
Explanation:
PLEASE HELP ON QUESTION ASAP !
Hi please help on question.If you get answer correct is be willing to give brainliest,a thanks, five stars and 10pts.
My question:
As an analogy of a circuit with resistance, think of an obstacle race . Which parts of a circuit do the obstacles represent? which part of the circuit do the people respresent?
Answers
In an analogy of a circuit with a resistance to an obstacle race, we can consider various elements of the race as representative of different components of the circuit.Obstacles, Track or Route, Participants, Start and Finish Line.
Obstacles: The obstacles in the race represent the resistors in a circuit. Just as resistors impede the flow of current in a circuit, obstacles in the race create hurdles that slow down the participants. The difficulty or magnitude of the obstacles can be equated to the resistance value of the resistors in a circuit.
Track or Route: The race track or route itself can be seen as the conductive path in a circuit. It provides a pathway for the participants to move and complete the race. Similarly, the conductive path in a circuit allows the flow of current from the power source to the load.
Participants: The people participating in the race represent the flow of electrons in a circuit. Just as the participants move through the obstacles in the race, electrons move through the resistors in a circuit. The rate at which participants complete the race can be compared to the current flowing through the circuit.
Start and Finish Line: The start and finish line of the race correspond to the terminals of a circuit. The start line represents the positive terminal, where the participants begin their journey, and the finish line represents the negative terminal, where the race concludes.
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Answer: As an analogy of a circuit with resistance, the obstacles in an obstacle race represent the resistance in a circuit. The parts of the circuit that the obstacles represent are the resistors. The people in the obstacle race represent the current in a circuit. The current is the flow of charged particles (such as electrons) in a circuit. In an obstacle race, the people are moving through the obstacles, just as the charged particles are moving through the resistors in a circuit. The obstacles slow down the people, just as the resistors slow down the flow of charged particles in a circuit.
Explanation:
Which method of separation of mixtures is vital to life on earth?
filtration, sifting, evaporation, or distillation?
Answers
Answer:
sifting
Explanation:
What does Newton’s second law predict about the acceleration if the net force acting on an object increases?
Answers
Answer:
The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased. As the mass of an object is increased, the acceleration of the object is decreased
Please help quick! 3 questions if you answer all I will give brainliest
1. Identify at least two tools scientists use to study stars and galaxies, then explain how the tools you chose assist scientists in their work.
2. Name at least three properties of stars revealed by spectral characteristics
3. In 3-5 sentences, explain how a star is formed.
Answers
Answer: 1.Spectroscopes breaks the light from a single material into its component colors the way a prism splits white light into a rainbow. It records this spectrum, which allows scientists to analyze the light and discover properties of the material interacting with it.
2.Optical Telescopes The now-indispensable optical telescope instrument was pioneered by Galileo Galilei in 1609, although others had created similar tools by then
2.A stellar spectrum can reveal many properties of stars, such as their chemical composition, temperature, density, mass, distance, luminosity, and relative motion using Doppler shift measurements.
3.Stars form from an accumulation of gas and dust, which collapses due to gravity and starts to form stars. The process of star formation takes around a million years from the time the initial gas cloud starts to collapse until the star is created and shines like the Sun.Once the pressure and the temperature inside get high enough for nuclear fusion to ignite, it creates a star.
Explanation:
What is an ecosystem? Group of answer choices An ecosystem is all different populations of animals in an area. An ecosystem is a community of plants and animals and their physical surroundings. An ecosystem is a single example of a particular species of plant or animal. An ecosystem is all the organisms of a particular kind of species and their surroundings.
Answers
Answer: An ecosystem is a community of plants and animals and their physical surroundings
Explanation: An ecosystem is a geographic area where plants, animals, and other organisms as well as weather and landscape work together to form a bubble of life. Ecosystems contain biotic and abiotic factors both. Biotic factors include plants, animals, and other organism
Answer: An ecosystem is a community of plants and animals and their physical surroundings.
Explanation: Ecosystem plays an essential role for the existence of living organisms in the planet Earth. A balanced ecosystem is attained as a result of various reasons it includes the live ratio of diverse varieties of organisms in a particular ecosystem, necessary physical, biological, and chemical conditions that promotes the living of organisms, and the balanced atmosphere attained as the result of temperature, wind, and humidity.
As all the above mentioned properties are necessary for maintaining a sustainable ecosystem, it is clearly understood that an ecosystem is a community of plants and animals and their physical surroundings.
A meteor falls toward Earth's surface. Given that the acceleration due to
gravity is 9.8 m/s^2, what is the meteor's potential energy if it has a mass of 10
kg at an altitude of 400 m?
O A. 408 J
O B. 7,840,000 J
O C. 2J
O D. 39,200 J
Answers
Answer:
39,200J
Explanation:
just took the test
The meteor's potential energy if it has a mass of 10kg at an altitude of 400 m will be 39200 J
What is potential energy ?Potential Energy that depend upon the relative position of various parts of system . It is an energy possessed by an object by virtue of its position or configuration.
mass(m) = 10kg
g (acceleration due to gravity) = 9.8m/s^2
altitude(height (h)) = 400m
Meteor's Potential energy = m * g * h
= 10 * 9.8 * 400 = 39200 J
correct option will be a) 39200 J
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brick has a mass of 100 G and a volume of 25 cm squared, if you chop the brick in half what is the density of one half of the brick?
Answers
Answer: Density is defined as mass divided by volume, therefore: 100g/25cm3 = 4 g/cm3.
Explanation:
Answer:
Density is defined as mass divided by volume, therefore: 100g/25cm3 = 4 g/cm3.