Which of the following has kinetic energy?
O A compressed spring
O An arrow shot from a bow
O water in a reservoir at a hill top
O Amonkey hanging from a tree

Answers

Answer 1

Kinetic energy is energy that an object possesses due to its motion.

Lets look at each option:

A compressed spring has potential energy.

An arrow shot from a bow does have Kinetic energy.

Water in a reservoir at a hill top is potential energy.

A monkey hanging from a tree is potential energy.

This means that the answer is B) An arrow shot from a bow

I hope this helps! :)

Answer 2

According to law of conservation of energy,energy is converted from one form to another so by this fact an arrow shot from a bow has kinetic energy generated from potential energy.

What is law of conservation of energy?

According to law of conservation of energy, it is evident that energy is neither created nor destroyed rather it is restored at the end of a chemical reaction .

Law of conservation of mass and energy are related as mass and energy are directly proportional which is indicated by the equation E=mc².Concept of conservation of mass is widely used in field of chemistry, fluid dynamics.

Law needs to be modified in accordance with laws of quantum mechanics under the principle of mass and energy equivalence.This law was proposed by Julius Robert Mayer in the year 1842.

Learn more about law of conservation of energy,here:

https://brainly.com/question/29775341

#SPJ2


Related Questions

Can anyone help me with this question?

Answers

sure i can help

so u have to ask someone else

Pa help po asap now na po​

Answers

1 dust shield or opposite
2 stage clips or opposite
3 body tube or opposite
4 nose piece or opposite
5 base
Is it like that

(20 points) In the morning, you decide to make toasted bacon, lettuce, and tomato sandwich. Observe what happens in each stage of making the sandwich. Which parts involve only chemical changes happening?

I. The first thing you do is cut two slices of bread.
II. Then you put the slices in the toaster to cook. When the toaster is done, it pops the III. warm brown toast. You cook the bacon in a frying pan you put bacon, lettuce, and tomato on the bread, trimming the sides.
IV. You can smell the old bread in the garbage going moldy.

Steps I and II
Steps II and III
Steps II and IV
Steps III and IV

Answers

Answer:

C is the answer I did it and got it right

Finding dead insects or mouse droppings in the kitchen indicates which of the following: Pest infestation Chemical contamination Food spoilage Cross contamination​

Answers

Finding dead insects or mouse droppings in the kitchen is an indication of pest infestation.

Pests are living organisms that are capable of spreading diseases, causing economic damages, or generally constituting nuisance to the environment.

Pest infestation occurs when there is a high number of pests in the environment. When this occurs, their activities are felt in the environment in terms of causing a nuisance, and damaging properties or contaminating foods.

More on pest infestation can be found here: https://brainly.com/question/13483095

hello guyz who ever answers will get 100 pts​

Answers

Answer:

hello,

Good morning have a good day

No thanks!

Here’s a question ?

OIIIIIIIIIIIIIIII BAAAAKKKKAA​

Answers

Answer:

what is meaning of this.

Answer:

On April 30, 1789, George Washington, standing on the balcony of Federal Hall on Wall Street in New York, took his oath of office as the first President of the United States.

Hey! Help please :)

Answers

Answer:

6. 15 oxygen atoms (The coefficient 5 is multiplied by the subscript 3 of oxygen)

7. The number "2" is the subscript.

What would be the atomic number of this atom?

Answers

Answer:

1 would be the answer

protons = atomic # I think

Answer:

hydrogen

Explanation:

hydrogen has the atomic number of 1 which means that hydrogen has one proton and is neutral so it has one electron as well.

plzz help me cant remember the parts of the flower.

Answers

A is the petal and b is the leaf. I think.

Hydrocarbons (alkanes, alkenes, alkynes) have all the properties below except one.

Which is not a property of hydrocarbons?

A.nonpolar
B.high melting and boiling points
C.insoluble in water
D.flammable

Answers

Answer:

B

Explanation:

The answer is B. All hydrocarbons are nonpolar, they are insoluble in water and they are highly flammable. Now, not all hydrocarbons have high boiling and melting point. For example, methane (CH4) has a boiling point of something clode to -161°C, and that is low. The boiling point increases when the number of carbon atoms in a compound increases, and based on methane and this theory, not all hydrocarbond have a high boiling point. This makes option B be the correct answer.

What is the difference between melting and burning a substance? Is mass conserved in either process?

Answers

Answer:

Explanation:

First Question:

Melting is a physical process that involves the phase transition of a substance from its solid to its liquid state. Burning, on the other hand, is a chemical process that involves a substance being broken down and changed into different substances. It's still the same substance, though: water.

Second Question:

Mass is therefore never conserved because a little of it turns into energy (or a little energy turns into mass) in every reaction. But mass+energy is always conserved. Energy cannot be created out of anything.

Calculate the freezing point of a solution of 3.46 g of a compound, X, in 160 g of benzene. When a separate sample of X was vaporised, its density was found to be 3.27 g/Lat 116°C and 773 torr. The freezing point of pure benzene is 5.45°C, and Kis 5.12°C kg/mol.

Answers

Answer:

Calculate the freezing point of a solution of 3.46 g of a compound,X,in 160 g of benzene. When separate sample of X was vaporised, its density was found 3.27 g/L at 116 c and 773 torr. The freezing point of pure benzen is 5.45 c, and kf is 5 .12 c/m.

Explanation:

First determine molar mass from

P*molar mass = density*R*T

Solve for molar mass. Then

moles = grams/molar mass

Solve for moles

molality = moles/kg solvent

Solve for molality

delta T = Kf*m

Solve for delta T, then convert to freezing point

some uses of sodium bicarbonate​

Answers

Answer:

Sodium bicarbonate is an antacid used to relieve heartburn and acid indigestion. Your doctor also may prescribe sodium bicarbonate to make your blood or urine less acidic in certain conditions. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.

375cm³ of a gas has a pressure of 770 mm Hg, find it Volume if the pressure is reduced to 750 mm Hg​

Answers

Answer:

Explanation:

Givens

v1 = 375 cm^3

P1 = 770 mm Hg

V2 = ?

P2 = 750 mm Hg

Formula

V1 P1 = V2 P2

Solution

375 * 770 = V2 * 750    Combine the left

288750 = V2 * 750       Divide both sides by 750

288750/750 = V2

V2 = 385

A 1.8 mole sample of a compound weighs 195 g and is found to be 11.18% H and 88.82% C. What is the molecular formula for the compound?

Answers

Answer:

C8H12

Explanation:

First find the molar mass

195/1.8 × 1 = 108.3 gmol-1

Then the molecular formula

Mass of C in 1 mole of compound = 88.82×108.3/100

= 96.2 g

Mass of H in 1 mol of.the compound = 108.3×11.18/100 = 12.11 g

Divide the mass by their molar masses to get no. of moles in 108.3 g of compound or 1 mole of compound

Moles of C in one Mole of compound = 96.2g/12 gmol-1 = 8 mol

Moles of H in 1 mole of compound = 12.11g/1 gmol-1 =12 mol

Since we need the molecular formula it's C8H12

acetone
56
turpentine
160
propane
-43
glycerin
290
In which substance are the electrostatic forces between molecules the strongest?
(1 point)
- propane
- turpentine
- glycerin
- acetone

Answers

The electrostatic forces between molecules of glycerin are the strongest.

We have 4 compounds with their respective boiling points.

acetone 56 °C turpentine 160 °C propane -43 °C glycerin 290 °C

The boiling point is the temperature at which a substance passes from the liquid state to the gaseous state.

A high boiling point indicates that the intermolecular forces are strong, so more energy is needed to separate the molecules in the vaporization.

Thus, glycerin, with the highest boiling point, is expected to have the strongest electrostatic forces between their molecules.

The electrostatic forces between molecules of glycerin are the strongest.

Learn more: https://brainly.com/question/2153588

Answer:

Glycerin

Explanation:

Write a five-sentence paragraph describing the nature and background of basketball.​

Answers

Answer:

The history of basketball began with its invention in 1891 in Springfield, Massachusetts by Canadian physical education instructor James Naismith as a less injury-prone sport than football. Naismith was a 31-year old graduate student when he created the indoor sport to keep athletes indoors during the winters.

Explanation:

The history of basketball began with its invention in 1891 in Springfield, Massachusetts by Canadian physical education instructor James Naismith as a less injury-prone sport than football. Naismith was a 31-year old graduate student when he created the indoor sport to keep athletes indoors during the winters.

Help with this please :) will mark Brainlyist if right

Answers

Answer:

3

Explanation:

Hydrogen fusion creates _____ and lots of energy.

Answers

Explanation:

Fusion processes require fuel and a confined environment with sufficient temperature, pressure, and confinement time to create a plasma in which fusion can occur. The combination of these figures that results in a power-producing system is known as the Lawson criterion. In stars, the most common fuel is hydrogen, and gravity provides extremely long confinement times that reach the conditions needed for fusion energy production. Proposed fusion reactors generally use hydrogen isotopes such as deuterium and tritium (and especially a mixture of the two), which react more easily than hydrogen to allow them to reach the Lawson criterion requirements with less extreme conditions. Most designs aim to heat their fuel to around 100 million degrees, which presents a major challenge in producing a successful design.

As a source of power, nuclear fusion is expected to have many advantages over fission. These include reduced radioactivity in operation and little high-level nuclear waste, ample fuel supplies, and increased safety. However, the necessary combination of temperature, pressure, and duration has proven to be difficult to produce in a practical and economical manner. Research into fusion reactors began in the 1940s, but to date, no design has produced more fusion power output than the electrical power input.[1] A second issue that affects common reactions is managing neutrons that are released during the reaction, which over time degrade many common materials used within the reaction chamber.

Fusion researchers have investigated various confinement concepts. The early emphasis was on three main systems: z-pinch, stellarator, and magnetic mirror. The current leading designs are the tokamak and inertial confinement (ICF) by laser. Both designs are under research at very large scales, most notably the ITER tokamak in

The table compares vapor pressure values for water ethanol and diethyl ether Add six temperatures determine the approximate normal boiling point for each substance what do the data suggest about the relative strength of attraction between particles in each substance

Answers

Water has the strongest intermolecular forces followed by ethanol and diethyl ether has the least intermolecular forces.

From the table, we can see the vapor pressures of water, ethanol and diethyl ether. The boiling point of water is 100°C, the boiling point of ethanol is 80°C while the boiling point of diethyl ether is 40°C.

We can see that the vapor pressures and approximate normal boiling points of the substances varies with the nature of intermolecular bond forces in the molecule.

Water has highest boiling point and the lowest vapor pressure followed by ethanol. Diethyl ether has the highest vapor pressure and lowest boiling point from the data in the table.

Learn more: https://brainly.com/question/8646601

How are elements in the same family in the periodic table alike?

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The Correct choice is ~ C

They have the same number of electron shells~

Explanation:

option C is correct.....


Calculate the number of carbon dioxide (CO2) molecules produced in the
reaction if 0.7525 moles of oxygen gas (O2) are consumed.

Answers

Answer:

4.530 X 10^23 MOLECULES OF CO2

Explanation:

Calculate the number of carbon dioxide (CO2) molecules produced in the

reaction if 0.7525 moles of oxygen gas (O2) are consumed

so

C + O2-----------CO2

1 MOLE OF 02 produces 1 mole of CO2

so

0.7525 moles O2 produce 0.7525 moles

1 mole is 6.02 X 10^23

so

0.7525 moles is 0.7525 X 6.02 X 10^23 -

=

4.530 X 10^23 MOLECULES OF CO2

how many moles of s atoms are in 1 mol of CaSO4

Answers

I think u asked for the atoms of sulfur? its 4..

Explanation:

calcium = 4

sulfur = 4

oxygen = 4

I hope this is correct

What type of mixture is this illustration?

Answers

Answer:

Suspension

Explanation:

It's a suspension because it is not mixed at all, and has distinctly separate layers.

Certain __________ metals like gold are found as pure metals rather than ores in the earth. Complete the sentence.

Answers

Answer:

nonreactive

Explanation:

outlines four uses of fat and oil​

Answers

Answer :

Fats and oils are used throughout the world for both food applications and industrial uses. They are consumed in butter, shortening, margarine, salad oils, and cooking oils, as well as in animal feeds, fatty acids, soaps, personal care products, biodiesel, paints (made from alkyd resins), lubricants, and greases.

Answer:Insulating and ProtectingRegulating and Signaling. Aiding Absorption and Increasing Bioavailability.Contributing to the Smell, Taste, and Satiety of Foods.

Compare the average motion of the particles in the 3 containers of water

Answers

Answer:

c>b=a

Explanation:

It is important to note that mass does not affect the average motion/energy per molecule, but temperature does. the higher the temperature the faster the particles are. A has the same temperature as B, so they have the same amount of motion. C is warmer than A and B, so the average motion of the particles in beaker C is the largest

How much Ba(OH)2, in grams, is needed to make a 1.00m aqueous solution?

Answers

Answer:

We can say that we need 171 g barium hydroxide needed to make one model equals solution.

Explanation:

I hope this answered your question.

Balance the equation
Ca(s) + H3PO4(aq) ---->Ca3(PO4)2(s) + H2(g)

Answers

Answer: CO2x+O4H I don’t know if this is the right answer

Which of the following subject areas contains questions that can be answered by science?
O Astronomy
O Alchemy
O Ethics
O Religion

Answers

Answer:

A

Explanation:

K took the test

Astronomy subject areas contains questions that can be answered by science. Thus option A is correct.

What is Astronomy?

The science deals with extraterrestrial objects and phenomena, that is everything in our universe beyond the atmosphere of our planet.

This science is more observational than experimental. Astronomy can be up two types such as observational astronomy and theoretical astronomy.

Now a day, the field of astronomy has been expanded enormously in different field of subjects like astrometry, planetary astronomy, astrophysics, astrobiology, astrochemistry, etc.

The field of astrophysics is used understand the nature of celestial objects and their physical processes involve in the formation and emission of radiation.

Other research application include the chemical composition of stars, study of nuclear reactions to know the details about the the radiation energy release from stars.

Thus, Option A is correct.

Learn more about astronomy, here:

https://brainly.com/question/13050965

#SPJ2

Other Questions
Which statement describes the movement of air?Ofrom low pressure to high pressureO from south to northO from north to southO from high pressure to low pressure escuela para adultos para aprender ingls cerca de mi Choose the sentence that is NOT grammatically correct.Nosotros te estamos bajando unos archivos.Nosotros estamos te bajando unos archivos.Nosotros estamos bajndote unos archivos. 2.Can you think of any other instances in which conformity would be a good thing? What is the standard form of this expression?(1 + 71i)(3 - i) A family buys airline tickets online. Each ticket costs $208. The family buys travelinsurance with each ticket that costs $16 per ticket. The web site charges a fee of$22 for the entire purchase. The family is charged a total of $1142. How manytickets did the family buy why does it have to have a limit You take a road trip up north with your family. You begin a hike in Death Valley, California at an elevation of 86 meters. You hike up another 35 meters, then down another 148 meters to the other side of the hill. What elevation are you at when you reach the other side of the hill? What is the kinetic energy of a 100kg ship moving along the water at a rate of 10m/s? What similarities and differences do you see between the trait and types approaches to describing personality? Identify the set of perpendicular lines in this image.A) AB, CD B) CD, EFC) AB, EFD) AB, FE mewlmdmwed lwmedlwd lkmdwlke dlkmed lekdkm Which sentence correctly uses acolon to introduce a list?A. Reece, bring: your toothbrush, and a towel.B. Bryan could you pick up some: chocolatecandies before coming to the dance.C. At the dance the following genres of musicwill be played: classic rock, pop, and country. Type the number of the example and the name of the second pitch. What literacy device helps add depth to characters by shoeing previous events Which statement best explains how enzymes speed up chemical reactions?a) Enzymes change shape during chemical reactions,b) Enzymes use light energy to speed up chemical reactionsc) Enzymes lower the activation energy of a reaction.d) Enzymes gain heat from chemical reactions Unlike Renaissance texts, most medieval texts were written in what language?A. EnglishB. ItalianC. LatinD. German If the first nucleotide after the promoter on the bottom DNA strand is changed from C to T, what would the resulting nucleotide be on the mRNA Joseph feels depressed after a breakup. He has a hard time focusing in school and on his life in general.Which person can most likely provide reliable professional help for Joseph? You are running the Chrome Web browser and try to open a Web site when you are prompted for login credentials. What TCP/IP model layer is at work that requires you to logon to the Web site