The actions that will help the skater reach the top of the other side of the half pipe is to lubricate the wheels in order to reduce frictional force that is causing the skateboard to lose velocity and bend down while skating off the side and bottom of the half pipe.
The law of conservation of energy from science states that energy can neither be created nor destroyed but can be transformed from one form to another.
The skateboarder couldn't make it to the top of one side of the half pipe because the kinetic energy that was generated was converted to heat energy through friction.
As the heat energy is lost to the surrounding environment, the skateboard loses velocity.
Bending down by the skateboarder will provide additional energy to make up for the lost energy.
Therefore, in order for the skateboarder to reach the top of the other side of the half pipe, she has to lubricate the wheels in order to reduce frictional force that is causing her to lose velocity and bend down while skating off the side and bottom of the half pipe.
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Answer:
Lubricate the wheels in order to reduce frictional force that is causing the skateboard to lose velocity and bend down while skating off the side and bottom of the half pipe.
Explanation:
Got the answer right on a quiz and reducing frictional force leads to many other contributing factors that makes the skateboarder reach the other side of the half pipe.
PLEASE HELP!!!
How do the Aleutian volcanoes differ from the Cascades volcanoes?
Answer:
Type of Convergence - Ocean to continent for Cascade/ Ocean to Ocean for Aleutian
Explanation:
4. What is polarity?
Answer:
The proclivity of biological organisms or components to have distinct anterior and posterior (or highest and lowermost) ends, as well as to grow or orientate in a specific direction.
Right answer gets brainlist
Answer:
$75?
Explanation:
BRAINLY IF CORRECT!!!! When a fan is moving is convection, conduction, or raditation, and WHY?
Answer:
Moving of fan is convection.
The faster moving air from the fan displaces the warmer air that is in direct contact with our skin. This enhances the rate of convective heat transfer, which means we feel cooler.
Which bio molecule is not found in cell membrane
Answer:
Nucleic acid
Explanation:
Hope this helps
State the differences between an animal cell and a plant cell. Explain why certain structures are present in a plant cell but not in an animal cell. (6)
Explanation:
Animal cells have centrosomes (or a pair of centrioles), and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.
Which of the following is NOT a part of an organism’s niche?
A. Behavior
B. Habitat
C. Equilibrium
D. Physiology
Answer:
D
Explanation:
D
Organism's niche does not include equilibrium. The correct option is C.
What is a niche?A species' niche is the primary role in the ecosystem. A niche, in other words, is how an organism "makes a living." The organism's role in the flow of energy through the ecosystem will be included in the niche.
Physiological traits are closely related to an organism's phylogeny and determine its environmental niche.
Thus, an organism's niche does not include equilibrium. The correct option is C.
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Scientists don't claim to_______
the theory. They just claim that the
results_______
it.
Answer:
scientists dont claim to know the theory they just claim that the results r true
Explanation:
You are transporting an unresponsive intubated 4-year-old child. An IO catheter is in place, and you are ventilating the child at an age-appropriate rate. Suddenly, the child becomes cyanotic and experiences a significant drop in her heart rate and oxygen saturation, and loss of a capnographic waveform. You attempt to auscultate her lung sounds but are unable to hear over the drone of the engine. You should:
A. look for vapor mist in the ET tube and attach a colorimetric device.
B. extubate immediately and ventilate with a bag-mask device.
C. increase your ventilation rate and reassess the child's condition.
D. administer 0.02 mg/kg of atropine via rapid IO push and reassess
Answer:
B. extubate immediately and ventilate with a bag-mask device.
What do amino acids, fatty acids, and sugars have in common
A. They are used to make proteins.
B. They are used to lipids.
C. They are made of carbon, oxygen, and nitrogen.
D. They are made of carbon, oxygen, and hydrogen.
Answer:
The answer to this question is C. They are made of carbon, oxygen, and nitrogen.
Explanation:
Have a great day and good luck!
The amino acids, fatty acids, and sugars have in common are they are made of carbon, oxygen, and hydrogen. The correct option is D.
What are amino acids and sugars?Amino acids are organic compounds that are made up of amine and carboxylic groups. They are the building blocks of protein. The basic particle of amino acids is C, H, and O.
Sugars are sweet carbohydrates. They are made up of carbon, hydrogen, and oxygen. The fundamental formula of sugar is C6H12O6. They are the primary source of energy.
Fatty acids provide the structural strength to the body. They are made of carboxylic acid and aliphatic chains. They can be saturated or unsaturated. So these molecules have the same elements, from which they are made.
Thus, the correct option is D. They are made of carbon, oxygen, and hydrogen.
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what are the functions of androcium?
Answer:
The point of stamen, which connects the anther and the filament is called connective. Its main function is the production of microspores, i.e., pollen grains containing male gametes within the anther lobe.
Explanation:
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Todas las organelas tienen adn?
Answer:
Tres orgánulos contienen ADN: el núcleo, las mitocondrias y los cloroplastos.
Explanation:
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True or false…
Every element emits a unique set of light wavelengths, and scientists can use these light fingerprints to determine what kind of atoms are in stars and nebulas.
Answer:
true
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16. Explain Where do
slime molds get their
nutrients?
Answer:
These organisms exhibit properties of both fungi and protists. The slime molds and the water molds are members of this group. They all obtain energy by decomposing organic materials, and as a result, are important for recycling nutrients. They can be brightly colored and live in cool, moist, dark habitats.
There is a large amount of variety in the eye color of human beings. Eye color variation depends on the dominant or recessive alleles. Such a broad spectrum of colors can be attributed to... A. malnutrition. B. multiple alleles. C. a lack of alleles.
Answer:
Eye color is determined by variations in a person's genes. Most of the genes associated with eye color are involved in the production, transport, or storage of a pigment called melanin. Eye color is directly related to the amount and quality of melanin in the front layers of the iris.
The broad spectrum of colors can be attributed to multiple alleles. The correct option is B.
What is variation in human traits?Variation is a word used for different traits present within the species, variation occurs due to recessive and dominant genes present in the organisms and due to mutation.
Mendel gave this theory that the alleles are given independently by the parents and one become recessive and one becomes dominant.
The difference in eye color is due to these alleles. Suppose the mother has black eyes and the father has blue eyes, the child can have both alleles, but only one will show. Mutation can also cause variation, maybe the child has totally different eyes than his parents.
Thus, the correct option is B. multiple alleles.
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(*Its actually Physical Science)
Which kind of bond would occur between sodium (Na, Group IA) and chlorine (CI, Group VIIA)?
A. ionic
B. no bond
C. metallic
D. covalent
The type of bond that occur between sodium (Na, Group IA) and chlorine (CI, Group VIIA) is ionic. That is option A.
Ionic bond occurs when there is complete transfer of electrons from one atom to another in order to attain a noble gas electron configuration.
A typical example of an ionic compound is sodium chloride which is formed from sodium (Na, Group IA) and chlorine (CI,Group VIIA).
The halogens (which are Group VIIA) all have seven electrons in their outer shell. They gain an extra electron to form an ion with a single negative charge
While the alkali metals (Group IA) all have one electron in their outer shell. They lose this electron to form an ion with a single positive charge.
When complete transfer of electrons occurs, the sodium atom losses one atom to attain Neon atom configuration while the chlorine atom gains one atom from sodium to attain Argon atom configuration.
Therefore, the type of bond that occur between sodium (Na, Group IA) and chlorine (CI, Group VIIA) is ionic.
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Answer: ionic.
Explanation:
what is meaning of H2O and compound
Answer:
A chemical compound is a chemical substance consisting of two or more different chemically bonded chemical elements, with a fixed ratio determining the composition. For example, water (H2O) is a compound consisting of two hydrogen atoms bonded to an oxygen atom.
Explanation:
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Name the region of the atom where protons and
neutrons are located. This region is indicated by
label B.
Name the region of the atom where electrons are
located. This region is indicated by label A.
DONE
Answer:
Protons and neutrons are located in the nucleus
Electrons are located in the electron orbital
Answer:
Nucleus and Orbitals
Explanation:
pls ans question c and d
Answer:
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Explain the process in which root cells get their energy, list all the organelles involved in the process. NO COPY AND PASTE!
Answer:
They get their energy from the cell membrane/ nucleus.
Explanation:
Through the process of photosynthesis.
Iron deficiency is one of the most common nutritional deficiencies in premenopausal women. Iron is a vital part of hemoglobin, which carries oxygen to red blood cells. Why do you think premenopausal women need more iron than men of the same age?
Answer:Premenopausal women shed blood as part of menstruation every month, which lowers the level of iron in the body. So, they need more iron than men and are also at a greater risk for this nutritional deficiency.
Explanation:
Questi
Holds instruétions for making proteins
Answer:
El ARN mensajero (ARNm) lleva las instrucciones para producir proteínas. Como el ADN, las proteínas son polímeros: largas cadenas ensambladas a partir de unidades moleculares prefabricadas que, en el caso de las proteínas, son aminoácidos. Una gran máquina molecular * llamada ribosoma traduce el código del ARNm y ensambla las proteínas.
Explanation:
1. The word impertinent MOST
LIKELY means
A. curious.
B. understanding.
C. disrespectful.
D. amusing.
Answer:
The word impertinent most likely means disrespectful.
why species is called as smallest taxonomic level?
Answer:
It is the smallest and basic unit of classification. Taxonomic studies consider a group of individual organisms with fundamental similarities as a species. Thus all the individual members belonging to particular species show all similar characters and can breed among themselves to produce a similar type of organism.
Thank You
what are the precautions that should be token when using a photometer? please help me
Answer:
PRECAUTIONS FOR USING A SPECTROPHOTOMETER :
1 . By allowing the lamps and electronics to warm up
2.By cleaning up any spills inside the cuvette compartment
3.By carrying out the set-up procedure in the correct order
4.By ensuring that %T or transmission is used as appropriate
5.By closing the door to the cuvette compartment before reading the result
6.By performing calibration checks after set up
7.By wiping fingerprints and spilt sample off the outside of the cuvette before measuring
8.By using the correct wavelength
PRECAUTIONS FOR USING A FRAME PHOTOMETER:
1. Do not move or Carry the unit when in use or connected to the mains electricity supply
2. There should be sufficient time for the chimney to cool before handling
3. Do not use acetylene with the flame photometer
4. Over adjustment of the fuel valve will cause excess flame
Do not position the product so that it is difficult to disconnect from the mains supply
5. Do not cover the chimney whilst in use.
6. Do not block or obstruct ventilation slots /airways
7. Do not operate or handle any part of the product with wet hands
I HOPE THIS WILL HELP AND IF NOT LET ME KNOW
You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best done by
A. lubricating the tubing with water or glycerin.
B. using a towel or cotton gloves for protection.
C. twisting the tubing and stopper carefully.
D. all of the above.
Answer:
a
Explanation:
The history of Poland from 1945 to 1989 spans the period of communist rule imposed over Poland after the end of World War II.
Choose one plant structure that has a similar function to a structure in the human body. Give the name of both of the structures and explain how they have similar functions.
Answer:
the stem of a plant and the human spine
Explanation:
They both help stay upright, have a structure, and plants have nodes for leaves and roots and flowers just like we have arms and legs connected to our body.
(i tried my best to explain, i hope it helps<3!)
3. If a complex molecule can be digested to produce sugars, then the original molecules should
be classified as which type of biomolecule?
A lipids
B proteins
C nucleic acids
D carbohydrates
The original molecules should be classified as carbohydrates, the correct option is D.
What are carbohydrates?A carbohydrate is a biomolecule comprised of carbon, hydrogen, along with oxygen atoms in a ratio 2:1 hydrogen-oxygen atom ratio.
Carbohydrates are the key source of energy in the body, fueling person's brain, kidneys, heart muscles, additionally central nervous system.
Fiber, for instance, is a carbohydrate that aids digestion, makes one feel full, as well as helps keep blood cholesterol levels in control.
Sugars are the smallest having relatively low molecular weight carbohydrates, which are monosaccharides and disaccharides.
Carbohydrates are a macronutrient and the body's primary source of energy along with proteins and fats.
They consist of starches, sugars, and fiber. Fibers and starch are complex carbs, whereas sugars are simple carbs.
Thus, the correct option is D.
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Identify three advantages and three disadvantages of bioplastics.
Answer:
The three advantages of bioplastics
Reduction of greenhouse gas emission.Saving fossil fuels.Possibility of using a local resource.The three disadvantages of bioplastics
Bioplastics won't biodegrade in a landfill. Bioplastics encourage people to litter more. Bioplastics contaminate plastic recycling streams.Proteins are composed of which molecules?
amino acids
fatty acids
monosaccharides
nucleic acids
Answer:
Amino acids
Explanation:
the building blocks of proteins are amino acids