Answers
The two (2) letters which have the most kinetic energy are: X and Z.
Kinetic energy is an energy that is possessed by a physical object or body due to its motion.
Mathematically, kinetic energy is calculated by using the formula;
\(K.E = \frac{1}{2} MV^2\)
Where:
K.E is the kinetic energy.M is the mass of an object.V is the velocity of an object.Basically, the kinetic energy possessed by an object is highly dependent on its mass and velocity.
From the image attached, the car gains more velocity as it travels down the slope and as such has the most kinetic energy at point X and Z.
In conclusion, kinetic energy is greatest at the bottom of a slope while potential energy is least and vice-versa.
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Related Questions
why does a cold front cause intense weather
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Quartz, or silicon dioxide (SiO2), is one of the most abundant minerals on Earth. The diagram shows the atomic arrangement of quartz.
Based on the diagram, which statement best describes the atomic arrangement of quartz?
Group of answer choices
An extended structure that is made of repeating patterns of atoms.
A repeating pattern of small molecules that can move freely past each other
Many different kinds of molecules tha combine to form an extended structure.
Many different kinds of atoms that can move freely past each other.
Answers
Based on the atomic arrangement of quartz, it is can be concluded that quartz is an extended structure that is made of repeating patterns of atoms.
What is quartz?Quartz is a hard crystalline mineral found within the Earth's crust and which is composed mainly of the mineral silica. Silica is mostly silicon(iv) oxide.
Quartz is colourless and its crystalline structure is of a hexagonal prism. The atoms are arranged in a regular repeating grid to form the hexagonal crystal.
Therefore, it is can be concluded that quartz is an extended structure that is made of repeating patterns of atoms.
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How are some mutations similar? Provide examples.
Answers
Answer:
Mutations can be caused by high-energy sources such as radiation or by chemicals in the environment. They can also appear spontaneously during the replication of DNA. Mutations generally fall into two types: point mutations and chromosomal aberrations. In point mutations, one base pair is changed. A single mutation can have a large effect, but in many cases, evolutionary change is based on the accumulation of many mutations with small effects. Mutational effects can be beneficial, harmful, or neutral, depending on their context or location. Most non-neutral mutations are deleterious.
Have an awesome day friend! <3
Answer:
What is mutation and examples?
Resulta ng larawan para sa How are some mutations similar? Provide examples.
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
Explanation:
Which answer one
(A Carbon dioxide Carbon dioxide enters their leaves from the atmosphere.)
( B Carbon dioxide enters their leaves from the atmosphere.)
(C Carbon dioxide enters their roots from the soil.)
(D Carbon dioxide is produced in a chemical reaction inside their mitochondria.)
Answers
Answer:
B) Carbon dioxide enters their leaves from the atmosphere.
Explanation:
Answer: I think the answer is A
Explanation:
What results when two waves that are completely out of phase meet?
A: constructive interference that results in a greater amplitude
B: destructive interference that results in a greater frequency
C :destructive interference that results in a lower amplitude
Answers
Answer:
The result is a superposition which is twice the amplitude of each input wave. Φ = π means the two waves are completely OUT OF PHASE, and so add completely destructively. The result is a superposition which has no amplitude at all.
Explanation:
The result is a superposition which is twice the amplitude of each input wave. Φ = π means the two waves are completely OUT OF PHASE, and so add completely destructively. The result is a superposition which has no amplitude at all.
Destructive interference occurs when the maxima of two waves are 180 degrees out of phase: a positive displacement of one wave is cancelled exactly by a negative displacement of the other wave. The amplitude of the resulting wave is zero.
What determines a single inherited trait of an indiviual ?
a. one pair of many pairs of genes
b. a disrupted cell cycle
c. one half of the replicated DNA stand
d. amino acids joined to form proteins
Answers
Answer:
The answer is A.
The pair of genes from the parent determines what trait the offspring inherits.
How to work out the relative mass of potassium? What is the calculation? ( explained very easily )
Answers
Answer:
39
Explanation:
Relative mass does not need to be calculated as it is listed on the periodic table. Potassium's relative atomic mass is around 39.
———————————
(1/12)th Mass of one C12 atom
I NEED HELP REAL ANSWERS PLZ I WILL PAY ALOT
Answers
Answer: The answer is d, she needs to use the same brand of lifesavers.
Explanation: The reason she needs to do this is because some brands of lifesavers use different ingrediants and that could affect the results and the time that they melt
help pls i will give brainlest
Answers
Answer: its 5ft tall and 12 inches
Explanation:
3. What Sl unit would you use to identify the volume of blood in the human body?
A.milligrams B.Liters C.Millimeters D.Pounds
Answers
Answer: the answer is B. liters
CHEMISTRY OF GLOW STICKS
THE 1ST SCREENSHOT HAS MY OBSERVATIONS.
(and some of the instructions)
THE OBSERVATIONS ARE NEEDED TO ANSWER THE QUESTIONS ON THE OTHER SCREENSHOTS.
THE 1ST SCREENSHOT IS NOT A QUESTION.
Thank You!
: )
(7th Grade)
Answers
Answer:
sorry
Explanation:
But you are going on the right track
What adaptation of vines help them grow on other plants in order to get more sunlight?
a plant growing on a tree trunk
Flexible stems
Large leaves
Strong roots
Thick bark
Answers
This helps vines bend and stretch to reach higher on the tree or rock
Answer:
Flexible stems
Explanation:
Due to a vine's flexible stems, it finds a strong plant to grow on, slowly growing around it to get nutrience and light from the spot. without it, it would just sit on the forest floor.
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Why is knowing the concentration of solutions important in the real world? Give an example to help you explain your answer.
Answers
Knowing the concentration of solutions is important in the real world for several reasons. Firstly, concentration provides information about the amount of solute present in a given volume of solvent, which is crucial for various scientific, industrial, and medical applications. Here's an example to illustrate the significance of concentration:
In the field of medicine, determining the concentration of drugs in pharmaceutical solutions is essential for accurate dosing and patient safety. Healthcare professionals need to know the concentration of active ingredients in medications to prescribe the appropriate dosage for patients. For instance, consider a situation where a doctor needs to administer a specific amount of a medication to a patient. Without knowing the concentration of the drug in the solution, it would be challenging to determine the correct volume of the solution needed to deliver the desired dosage. Incorrect concentrations or dosages can lead to ineffective treatment or even harmful side effects for the patient.
Additionally, concentration measurements play a vital role in environmental monitoring and analysis. For example, in water quality assessment, measuring the concentration of pollutants or dissolved substances in bodies of water helps identify potential contamination and evaluate the health of aquatic ecosystems. By monitoring the concentration of contaminants such as heavy metals or nutrients, environmental scientists can determine the impact on aquatic life and implement appropriate measures for pollution control and remediation.
Overall, understanding the concentration of solutions is crucial for a wide range of practical applications, including pharmaceuticals, environmental analysis, chemical manufacturing, food and beverage production, and many others. Accurate concentration measurements enable informed decision-making, quality control, and precise formulation, ensuring the effectiveness and safety of various products and processes in the real world.
Explanation:
the concentration of a solution is the quantity of a solute that is contained in a particular quantity of solvent or solution. Knowing the concentration of solutes is important in controlling the stoichiometry of reactants for solution reactions. Chemists use many different methods to define concentrations, some of which are described in this section.It enables precise control over the amount of solute in a solution, which is essential for maintaining consistency in experiments, manufacturing processes, and other applications. One situation where you might use concentration in everyday life is when preparing a sports drink.
piece of roasted salted fish is put in a mouse trap. explainwhy the mouse comes to the trap
Answers
Answer: Food
Explanation:
The rat smells the food or sees the food it goes towards the food to eat it.
Use the picture below to answer the question.
Comparing the two waves, wave B has a...
A) higher frequency.
B) greater amplitude.
C) shorter wavelength.
D) longer wavelength.
Answers
Answer: D) longer wavelength.
Explanation:
As far as I know, you calculate frequency on a graph using the number of peaks you can see. Since the wavelength is shorter (the distance between two peaks on the wave), the frequency should also be higher as more fit on the graph.
Scientists have discovered a colony of potential organisms on the Planet Moby and named them "Maxoids." Read the information below that scientists have gathered on Maxoids and decide whether Maxoids are living or nonliving things. Explain how you came to this conclusion.
Through testing and observation, scientists have recorded the following characteristics of Maxoids. Maxoids reproduce via sexual reproduction. One parent carries the Maxoid eggs for 12 weeks before they hatch. After hatching, juvenile Maxoids continue to grow for seven months. To acquire energy for growth, Maxoids consume a peculiar liquid substance native to the planet Moby. The Maxoids' cells use this energy, as well as large amounts of water, to carry out important functions. The Maxoids are sensitive to changes in internal temperature. Sometimes they dig holes and lay in them to cool down if they get too warm.
Answers
The Maxoids are living things because they possess the characteristics of living things.
What are living things?Living things are things which have life in them.
Living things are identified by the characteristics which make them living.
The characteristics of living things include:
Movement - living things are able to move all or parts of their bodyRespiration - living things are able to break down food substances to produce energyNutrition - living things are able to take in food substancesIrritability - living things are able to respond to changes around themGrowth - living things are able to increase in size and massExcretion - living things are able to remove waste substances from their bodiesReproduction - living things are able to produce new ones of their kindConsidering the Maxoids;
They are able to reproduceThey take food in the form of a liquid substanceThey are sensitive to changes in internal temperatureIn conclusion, the Maxoids are living things.
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when salt dissolves into water does it change its state
Answers
Answer:
no it doesn't change back
fine here When you dissolve salt in water, the sodium chloride dissociates in Na + ions and Cl - ions, which may be written as a chemical equation : NaCl (s) → Na + (aq) + Cl - (aq) Therefore, dissolving salt in water is a chemical change. The reactant (sodium chloride, or NaCl) is different from the products (sodium cation and chlorine anion).
How does an atom change if all of its electrons are removed?
p.s. I'll mark the first answer the brainliest if it is correct! ;)
a. The atom’s volume increases.
b. The atom’s mass increases.
c. The atom becomes positively charged.
d. The atom becomes negatively charged.
Answers
c. The atom becomes positively charged
if the electrons are removed it means theres no longer a negative charge to balance the positive charge of the protons in the atom
need a answers right away
What conditions are needed for germination? (2 points)
a
Air, water, and warmth
b
Cold air, water, and soil
c
Water, warmth, and a good location
d
Warmth, water, and wind
Answers
Answer: A
Explanation:
To germinate, seeds require the right combination of temperature, oxygen, and water. Some seeds also need the right kind of light. Some seeds grow more effectively in direct sunlight, while others need shade to grow.
Name and Title:
Include your name, instructor's name, date, and name of lab.
Objectives(s):
In your own words, what is the purpose of this lab?
Hypothesis:
In this section, please include the predictions you developed during your lab activity. These statements reflect your predicted outcomes for the experiment.
Procedure:
The materials and procedures are listed in your virtual lab. You do not need to repeat them here. However, you should note if you experienced any errors or other factors that might affect your outcome. Using your summary questions at the end of your virtual lab activity, please clearly define the dependent and independent variables of the experiment.
Data:
Record the elements present in each unknown astronomical object. Be sure to indicate “yes” or “no” for each element.
Hydrogen Helium Lithium Sodium Carbon Nitrogen
Moon One
Moon Two
Planet One
Planet Two
Conclusion:
Your conclusion will include a summary of the lab results and an interpretation of the results. Please answer all questions in complete sentences using your own words.
Using two to three sentences, summarize what you investigated and observed in this lab.
Astronomers use a wide variety of technology to explore space and the electromagnetic spectrum; why do you believe it is essential to use many types of equipment when studying space?
If carbon was the most common element found in the moons and planets, what element is missing that would make them similar to Earth? Explain why. (Hint: Think about the carbon cycle.)
We know that the electromagnetic spectrum uses wavelengths and frequencies to determine a lot about outer space. How does it help us find out the make-up of stars?
Why might it be useful to determine the elements that a planet or moon is made up of?
Answers
can someone please help me with this i dont understand it.
Answers
Answer:
Hi there!
I might be able to help you!
When the two atoms are in contact, potassium readily transfers its outer electron to chlorine which readily accepts it, resulting in both atoms achieving a state of eight outermost electrons. With this electron transfer, the ionic bond in KCl is formed. A transfer of electrons occurs when fluorine and calcium react to form an ionic compound. This is because calcium is in group two and so forms ions with a two positive charge. Instead, the outermost energy levels overlap and they share electrons. A pairs of shared electrons makes one covalent bond. Formation of Negative Ion: After fluorine gains the electron from sodium, it becomes a negatively charged ion. (9 p + 10 e- = -1). The ionic bond between ions results from the electrostatic attraction of opposite charges. The final formula of sodium fluoride is NaF.
Explanation:
Right up there! God Bless You
the level of water in a measuring cylinder rose to 90cm³ mark when a piece of stone whose mass is 10 g was dropped in the measuring cylinder. the initial volume of the water as 50 cm³ calculate the density of the rock
(show working)
Answers
Answer:volume of rock = 90cm³-50cm³=40cm³
density=mass/volume =10/40 =0.25g/cm³
Explanation:we can also write it as 2.5kg/m³
What does the word centripetal mean
a.
center seeking
b.
continuous
c.
gravitational
d.
free falling
Answers
1. Using D10W and a vial of NaCl 4 mEq/mL, how many mL of NaCl are needed to prepare 250 mL of a
D10/NS solution?
a. 4.8mL
b. 9.6ml
c. 19.6mL
d. 154mL
Answers
To prepare 250 mL of a D10/NS solution using D10W and a vial of NaCl 4 mEq/mL, you would need 9.6 mL of NaCl. Normal saline (NS) contains 154 mEq/L of sodium chloride (NaCl). To prepare 250 mL of NS, you would need 250 mL * (154 mEq/L) = 38500 mEq of NaCl. Since the vial of NaCl contains 4 mEq/mL, you would need 38500 mEq / (4 mEq/mL) = 9625 mL = 9.6 mL of NaCl. So the correct answer is b. 9.6ml.
Which of the following problems would be a direct result of humans building along the ocean shore zone?
A. the erosion of the sand and soil from the shoreline
B. sand dunes and vegetation being disturbed
C. the movement of sand from one place to another
D. sand being washed away over long periods
Answers
Answer:
I think it is B.
Explanation:
The erosion of the sand and soil from the shoreline would be a direct result of humans building along the ocean shore zone. When humans build structures along the shoreline. This can lead to increased erosion of the shoreline and loss of the beach.
Building along the ocean shore zone can have several impacts on the natural environment. One of the direct impacts is the erosion of the sand and soil from the shoreline. This occurs because construction can disrupt the natural processes that maintain the beach, such as the movement of sand and the protection provided by vegetation.
For example, building seawalls or other structures can prevent the natural movement of sand and sediment along the beach. This can lead to erosion of the shoreline, as the sand is no longer able to accumulate in areas where it is needed to protect the shoreline. These plants help to hold the sand in place and protect the beach from erosion.
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You have been given the task of designing a heat pack to relieve soreness in muscles by combining oxygen and iron. The more oxygen that is added to iron, the more it will heat up. Which of the following temperature changes would you be looking for?
A.There will not be a reaction
B.An increase in temperature, showing an endothermic reaction
C.You should not expect a temperature change because this is a physical reaction
D.An increase in temperature, showing an exothermic reaction
Answers
Answer:
an increase in temperature showing an endothermic reaction
Explanation:
the atmospheric oxygen is supplied to the iron .An endothermic reaction is any chemical reaction that absorbs heat from its environment.
SOMEONE PLEASE HELP ME
Answers
Answer: Number 9 is C p->iv, q->i, r->ii, s->iii
Number 10 is D P->iii, Q->iv, R-.ii, S->i
Explanation:
If you look up the words like mercury or sodium it will give you the meaning but if you have the meaning of those words then you will know then you will math if the meaning you have written down make sense with the example of the metal you have in the column and it matches then you have your answer.
how many joules would it take to raise 2 grams of AL 1 degree?
Answers
Explanation:
Air has a heat capacity of about 700 Joules per kg per °K and a density of just 1.2 kg/m3, so its initial energy would be 700 x 1 x 1.2 x 293 = 246,120 Joules
Please help me por favor :'(
Answers
which temperature is warmest?
30 C
273 K
0 C
32 F
Answers
Answer:
the answer is 30 C
Explanation:
hope this helps
30⁰C
0⁰C
0⁰ C
0⁰C
So the hottest temperature degree is 30⁰C