What is the similarity between speed and vilocity

Answers

Answer 1
Speed and velocity both represent a way to measure the change in position of an object relative to time. In fact, for a straight line motion, the speed and velocity of an object are the same (since distance and displacement will be the same). Speed and velocity are measured in the same units: meters per second or m/s.
Hope this helps!

Related Questions



Which is usually associated with a faster reaction rate?
A. diluting a solution of the reactants
B. adding modeling clay to the reactants
C. removing heat energy from the reactants
D. using a solid with a high surface area in the reactants

Answers

Answer:

D. using a solid with a high surface area in the reactants, is your correct answer.

Explanation:

Using a solid with a high surface area in the reactants is usually associated with a higher reaction rate.

Name some uses of Chlorine and bromine compounds

Answers

Answer:

kii

Explanation:

CAN SOMEONE HELP PLS!!!

Answers

Answer:

Matals tend to LOSE electrons to become POSITIVE ions

The correct answer is C.

The oxidation number of bromine in bromine gas is _____. A. 0 B. +1 C. –1 D. –2

Answers

Answer:

the answer is 0

The answer to the question is

A. 0

Which of these would be an appropriate way to describe the concentration of orange candies? Check all that apply
the number of orange candies divided by total number of candies
the mass of orange candies divided by total mass of candies
the volume of brown candies divided by volume of orange candies
the actual number of orange candies
the number of orange candies divided by number of brown candies
the number of orange candies plus number of brown candies

Answers

Answer:

the number of orange candies divided by total number of candies

the mass of orange candies divided by total mass of candies

Explanation:

The two correct options that are appropriate to describe the concentration of orange candies would be the number of orange candies divided by total number of candies and the mass of orange candies divided by total mass of candies.

The concentration of a substance can be described as the fraction of that substance in a particular mix of substances.

In term of number, the concentration of a substance in a mix of substances can be expressed as the number of that substance divided by the total number of substances in the mix.

In term of mass, the concentration of a substance in a mix of substances can be expressed as the mass of that substance divided by the total mass of the mix.

Answer:

A, B, E

Explanation:

edge

can somebody help me name these organic compound plz​

Answers

Answer:

A. 3–Ethyl–2–methylpentane.

B. 3–Ethyl–1,5,5–trimethylcyclohexene.

Explanation:

To name the compound, we must observe the following:

1. Locate the longest continuous carbon chain. This gives the parent name.

2. Identify the substituent groups attached.

3. Locate the position of the substituent groups by giving them the lowest possible low count alphabetically.

4. Combine the above to name the compound.

Now let us name the above compounds

For compound (A)

1.The longest chain is carbon 5 i.e pentane.

2. The substitute attached are:

Ethyl => CH2CH3

Methyl => CH3

3. Ethyl comes before methyl alphabetically. But considering the structure of the compound, ethyl assume same position from either side of the compound. Therefore, we'll consider the lowest possible count for methyl. Therefore, their position is given below:

Ethyl => CH2CH3 => carbon 3.

Methyl => CH3 => carbon 2.

4. The name of the compound is:

3–Ethyl–2–methylpentane.

Compound B.

This is a cyclic structure.

1. The parent name is cyclohexene.

2. The substitute groups attached are:

Ethyl => CH2CH3

Methyl => CH3

3. Since the compound is unsaturated, the functional group is the double bond. Hence, we shall start our counting from the double bond and also considering alphabetical order of the substituent.

Please note methyl (CH3) appears three times.

Ethyl => CH2CH3 => carbon 3

Methyl => CH3 => carbon 1, 5 and 5.

4. The name of the compound is:

3–Ethyl–1,5,5–trimethylcyclohexene

Need help with these three pls!!!!!

Answers

True because

False

True
1) true , 2) false , 3) true

what is the compound of p2o5

Answers

Answer:

Phosphorus pentoxide is a chemical compound with molecular formula P4O5 (with its common name derived from its empirical formula, P4O5). This white crystalline solid is the anhydride of phosphoric acid. It is a powerful dessicant and dehydrating agent.

Explanation:

it would be phosphoric acid.

The new-moon phase occurs when the Moon is positioned between the Earth and the Sun. However, these positions do not always cause an eclipse of the Sun because the *

a. Moon's orbit is tilted relative to the Earth's orbit
b. New-moon phase is visible only at night
c. Night side of the Moon faces toward the Earth
d. Apparent diameter of the Moon is greatest during the new-moon phase

Answers

Answer:

D

Explanation:

The new-moon phase occurs when the Moon is positioned between the Earth and the Sun. However, these positions do not always cause an eclipse  blocking of the Sun because the Moon's orbit is tilted relative to the Earth's orbit  new-moon phase is visible only at night side of the Moon faces toward the Earth  apparent

These positions do not always cause an eclipse of the Sun as:

d. Apparent diameter of the Moon is greatest during the new-moon phase

New-moon phase:

At the new Moon phase, the Moon is so close to the Sun in the sky that none of the side facing Earth is illuminated. The new-moon phase occurs when the Moon is positioned between the Earth and the Sun. However, these positions do not always cause an eclipse blocking of the Sun because the Moon's orbit is tilted relative to the Earth's orbit. New-moon phase is visible only at night side of the Moon faces toward the Earth apparent.

Thus, correct option is d.

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bases have a pH of

a. more than 7
b. less than 7
c. 7

Answers

Answer:

Bases are more then 7

acids are less then 7 neutral is 7 and bases are more than

Answer:

A. More than 7

Explanation:

ph scale, bases are to the right

To measure the volume of a washing machine, use:
liters
kiloliters
kilograms
tons

Answers

Answer:

kg

Explanation:

Answer:

You should use tons or kilograms because a washing machine is very heavy.

(Hope this helps)

Consider this reaction:
N2 (g) + 3H2 (9) = 2 NH3 (9). If Q ea, which statement is true?
O A.
The reaction will move forward.
B.
The reaction will move in reverse.
C.
The concentration of the product should decrease.
D.
The concentrations of the reactants should increase.
E.
The reaction is in equilibrium.

Answers

Answer:

Explanation:

its E

trust me i got a 100

Answer:

E. The Reaction Is In Equilibrium.

Explanation:

Plato Answer

Why is wind named from where the wind is blowing from?

Answers

Winds are always named from the direction it blows from

Uneven heating of Earth's surface,in turn,causes differences in air pressure at various locations. Heated air rises,creating an area of low pressure beneath. Cooler air descends, creating an area of high pressure

Over the past century, the percent of squirrels in the vicinity of Washington, DC, that are black instead of the more common gray has been continually increasing. Which of the following statements best explains why this is happening?

 A. 

Black squirrels are more visible against tree trunks than gray squirrels.

 B. 

Black squirrels are more popular with tourists than gray squirrels.

 C. 

Gray squirrels are more comfortable with humans than black squirrels.

 D. 

Black squirrels have a survival advantage over gray squirrels.​

Answers

It’s D. they do have a survival advantage since they are darker.

0.450 moles of K2SO4 are dissolved in 195.0 mL of water. Calculate the molarity of the solution.

Answers

Answer:

2.31M

Explanation:

The following data were obtained from the question:

Mole of K2SO4 = 0.450 mole

Volume of water = 195.0 mL = 195/1000 = 0.195L

Molarity =...?

Molarity is defined as the mole of solute per unit litre of the solution. This can be expressed as:

Molarity = mole /Volume

With the above formula we can calculate the molarity of the K2SO4 solution as follow:

Molarity = mole /Volume

Molarity = 0.450/0.195

Molarity = 2.31M

How are electrons similar and different to the planet Earth?

Answers

Answer:

The planets themselves are composed of several trillions or quadrillions or more atoms. As far as hard science is concerned, it would be really hard to picture them as electrons. Conclusion: It can be said with a great accuracy that our planets are NOT huge electrons.

Rutherford's experiments showed that the mass of atoms was mostly concentrated in a very small region, with charge equal to the atomic number- the nucleus. He absolutely did not show, nor is it true, that electrons orbit the nucleus as if they were planets. That was a guess people made in trying to figure out how to picture the atom.

(Hope this helps) Sky

The mole concept will most likely be used in
calculating the average height of a mountain range.
measuring how many liters of gasoline are poured into a tank.
determining how many ozone molecules are lost in the atmosphere.
finding the mass of a piece of steak in a butcher shop.

Answers

Answer:

determining how many ozone molecules are lost in the atmosphere

Pls Mark as Brainliest!!! if this helps...

The mole concept The mole concept can be used to determine the number of ozone molecules are lost in the atmosphere.

The mole concept was introduced by Avogadro. The mole is the SI unit of amount of substance. According to Avogadro, one mole of a substance contains 6.02 × 10^23 atoms, ions, molecules etc.

The mole concept is important in many chemical calculations. The mole concept can be used to determine the number of ozone molecules are lost in the atmosphere. (option C)

Learn more: https://brainly.com/question/7287712

how does the Doppler effect related to the universal expanding?

Answers

The Doppler effect doesn't just apply to sound. It works with all types of waves, which includes light. Edwin Hubble used the Doppler effect to determine that the universe is expanding. Hubble found that the light from distant galaxies was shifted toward lower frequencies, to the red end of the spectrum. This is known as a red Doppler shift, or a red-shift. If the galaxies were moving toward Hubble, the light would have been blue-shifted.

Boiling water is an example of what type of what type of thermal energy transfer?


convection


conduction


insulation


radiation

Answers

Answer:

Conduction

Hot water is conducting heat   because it is moving

Boiling water is an example of conduction heat transfer (option B).

What is heat transfer?

Heat is one of the various forms in which energy can exist. Heat transfers with or without medium from one place to another.

There are three ways in which heat is transferred in the environment;

ConductionConvectionRadiation

Conduction is the conveying of heat or electricity through a solid material such as the material used to boil water in this case. Therefore, option B is correct.

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Which resulted from the study of chemistry?
A) Alchemy to turn base metals into noble metals
B) the understanding of earth, air, fire, and water as the basic components of matter.
C) discovering the role of oxygen in combustion
D) a supernatural, mystical view of the world

Answers

B is the answer. I’m now sure tbh but that’s would be my guess
B) the understanding of earth, fire, and water as the basic components of matter

A weather forecast shows 35 m/h on the weather map. Which weather component does this number represent?

A.Humidity
B. Precipitation
C.Wind direction
D.Wind speed

Answers

The answer is d I think. Don’t quote me if I’m wrong

Answer:

D. Wind Speed

Explanation:

When the question brings up 35 m/h, the m/h stands for Miles per Hour. What option can you measure the miles per hour. Here's a hint, it applies to cars as well when cops give your parents speeding tickets. Miles per Hour = Speed. So, you are measuring the wind speed.

How could you determine if a car door is made of a material, such as plastic?

Answers

Answer:Most cars have the visible outer panel, and supporting structure, made from steel. Some use aluminium, at least one series-produced model had magnesium doors, and there are also doors where the visible parts are plastic or fiberglass, with some sort of metal inside for strength.

Explanation:

Answer:

Most cars have the visible outer panel, and supporting structure, made from steel. Some use aluminium, at least one series-produced model had magnesium doors, and there are also doors where the visible parts are plastic or fiberglass, with some sort of metal inside for strength.

How many oxygen atoms and are present in this water molecule 2H2O?

(note* the number 2 after H is a subscript)

Answers

Answer: 4 hydrogen atoms and 2 oxygen atoms.

Explanation:

For example, two water molecules (2H2O) contain 2 • 2 = 4 hydrogen atoms and 2 • 1 = 2 oxygen atoms.

4. Hydrogen atoms and 2 oxygen atoms

please help, thank you:))

Answers

Explanation:

15 8 O ---> 15 7 N + 0 1 e

Element: Oxygen

Mass Number: 16 u

Decay: Beta

238 92 U ----> 234 90 Th + -4 -2 e

Element: Uranium

Mass Number: 238.051 u

Decay: Alpha

Which is a property of every heterogeneous mixture?

The mixture is made up of at least two different states.
The mixture is made up of something dissolved in a liquid.
The composition of the mixture is the same throughout.
The characteristics of the mixture change within a sample.

Answers

Answer:

D.) The characteristics of the mixture change within a sample

Explanation:

Because the guy above me is wrong

Answer:

D.) The characteristics of the mixture change within a sample.

Explanation:

HTH!! Have a good day!!! Don't forget to smile!!!!

When a substance changes from a liquid to a solid, it has reached its _____ point

Answers

Answer:

The temperature at which a substance changes from the liq- uid state to the solid state is called the freezing point. The freez- ing point of the liquid state of a substance is the same temperature as the melting point of the solid state. For example, solid water melts at 0°C and liquid water freezes at 0°C.

Explanation:

which spheres are part of the earth system

Answers

Answer:

Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).

Explanation:

A solution with a H+ concentration of 1.00 x 10-7 M is said to be neutral. Why?

Answers

Answer:

Because when you find the pH it comes out to be 7; 7 is neutral.

Explanation:

pH=-log(H3O+)

- Hope this helped! Please let me know if you need further explanation.

A solution with a H+ concentration of 1.00 x 10-7 M is said to be neutral as on calculating pH, it comes out to be 7.

What is pH?

pH, often known as acidity in chemistry, has historically stood for "potential of hydrogen" (as well as "power of hydrogen"). It refers to a scale used to describe how basic or how acidic an aqueous solution is. When compared to basic or alkaline solutions, acidic solutions—those with higher hydrogen (H+) ion concentrations—are measured with lower pH values.

Where [H+] represents the solution's equilibrium molar concentration of H+ (mol/L). Acidic solutions are those with a pH below 7, and basic solutions are those with a pH above 7, at a temperature of 25 °C (77 °F). At 25 °C, fluids with a pH value of 7 are neutral. A solution with a H+ concentration of 1.00 x 10-7 M is said to be neutral as on calculating pH, it comes out to be 7.

pH = -log[H⁺]      

       =  -log[1.00 x 10⁻⁷]      

       = 7

Therefore, a solution with a H+ concentration of 1.00 x 10-7 M is said to be neutral as on calculating pH, it comes out to be 7.

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Help on science question please! (Small drawing) will mark brainliest

Answers

Just draw a compass pointing north-to-northwest

PLEASE HELP!

how can nuclear fission be made to happen?


a. atoms are hit with neutrons

b. atoms are hit with x rays

c. atoms are hit with light

d. atoms are hit with gases

Answers

the answer to your question is A
a is the correct answer.
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