PLEASE HELP
I'll give brainliest if you can solve and explain how you got it.

PLEASE HELPI'll Give Brainliest If You Can Solve And Explain How You Got It.

Answers

Answer 1

Answer:

8m/s

Explanation:

First you add the force of newtons which is 320 N of force then divide it by the weight which is 40kg. 320/40=8

Answer 2
The answer for this question is 8m/s

Related Questions

How small are the microorganisms that live on and in the human body? Answer it in at least 1 paragraph

Answers

Answer: The human body contains trillions of microorganisms — dwarfing human cells by 10 to 1. Due to their little size, nonetheless, microorganisms make up just around 1 to 3 percent of the weight's (in a 200-pound grown-up, that is 2 to 6 pounds of microscopic organisms), yet assume a crucial function in human wellbeing.  In 2016, a survey of over forty years of examination into the human microbiome found that there is zero logical proof to back this frequently refered to tidbit up. Rather, the proportion appears to be about 1.3-to-1, with the normal human playing host to around 100 trillion microorganisms, plus or minus. Rather, the proportion seems to be about 1.3-to-1, with the normal human playing host to around 100 trillion organisms, plus or minus.

Explanation:

You can mix this up and paraphrase this into ur own words.

The microorganisms that are present and live in the human body are 1 to 10 micrometers.

What are microorganisms?

Microorganisms are tiny living organisms that can be only seen by microscopes. These organisms are found everywhere on earth. They are free-living and parasitic. There are good and bad microorganisms.

Some are useful to the earth and the living creature, but some are harmful to the health of other living creatures. They are responsible for many diseases in plants, animals, and other organisms.

There are many bacteria present inside the body. They are present in the digestive system, and our mouth. They help in the digestion and breakdown of many food materials and macromolecules.

Thus, the size of microorganisms that are present and live in the human body is 1 to 10 micrometers.

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What happens when two areas of air have different pressures?

Answers

It might make a tornado

Give an example, other than making ice-cream or a slushy, where the effect of salt on the phase change of water is useful in everyday life.

ASAP PLS AND THANK YOU

Answers

Answer:

Putting salt on the ground to melt ice or snow I mean.

Explanation:

Using salt to melt sleet and snow not black ice tho u cant melt that

What's a compound?
What's an element?
whatss a mixture?

Answers

a compound is two or more elements.
a element is a pure substance when cannot be broken down. it consists of atoms, protons, neutrons, and electrons.
a mixture is a a substance made by mixing other substance together.

Answer:

Compound: any substance composed of identical molecules consisting of atoms of two or more chemical elements.

Element: is a pure substance which cannot be broken down by chemical means.

Mixture: is a substance which consist of two or more elements or compounds not chemically combined together.

The phase of matter can be changed by:

a) increasing temperature
b) decreasing mass
c) increasing volume
d) all of the above

Answers

Answer: A

Explanation: Mass and volume is the amount, amount doesn’t make the phase of a matter change.

I’m pretty sure it is all of the above I’m sorry if I get it wrong,hope it helps:)

Read Solar Basics and use the information to answer the question.

What factors affect the amount of solar energy that reaches the Earth’s surface?

please write a 2-3 sentence answer then you get brainliest if its correct

Answers

Answer:

Weather, Time, and Altitude

Explanation:

The thing is unknown to planet earth

Which form of energy is stored chemical energy and example of?

Kinetic energy
Potential energy
Gravitational energy
Powered energy

Answers

Answer:

D

Explanation:

I THINK. HOPE THIS HELPS

Powered Energy Is the core t answer

this is the portion of the electromagnetic spectrum that has a frequency just below the visible spectrum. (For number 8, the one that is highlighted.)​

Answers

Electromagnetic Spectrum (either one or the other)

Answer:

these are very difficult dear

Explanation:

Is the chemical equation 2Fe+3cl2=>2FeCl3 balanced?

Answers

Answer:

No, it is not balanced.

Yes. You have 2 Fe and 6 Cl on each side.

HELP ITS DUE TOMORROW ​

Answers

Put them in numerical order

Mitochondria are very important to the cell and are sometimes called the powerhouses of the cell. Imagine that a certain virus penetrates a cell and reaches the mitochondria. Predict what would happen to the cell if the virus were able to destroy all of the cell's mitochondria.

A. The cell would eventually die without the ATP that it needs for activities

B. The cell would be unaffected by the loss of mitochondria and will continue to function normally

C. The cell would rapidly produce more proteins

D . The cell would multiple uncontrollably because there is nothing to stop it anymore.

Answers

Answer:

b

Explanation:

The answer I would choose is b

Which phrase describes the parts of a solution but NOT the parts of a heterogeneous mixture?

A.) evenly mixed
B.) chemically bonded
C.)always a single type of atom
D.) easily visible with a unaided eye

Answers

always a single type of atom

Answer:

c

Explanation:

Help RRLY EASY I JUST DONT UNDERSTAND

Answers

Answer:

boomer

Explanation:

what is the volume of a marble that has a mass of 3.g and a Density of 2.7 g/ml ?
make sure to round to the nearest tenth

Answers

Answer:

1.111 or since you want me to round 1.1 if not right let me know please.

Explanation:

Answer:

1.1

Explanation:

all you have to do is divide the mass by density to get the volume yurr

Describe how the composition of the upper mantle is different from the lower mantle? The upper mantle is made of solid rocks and lower mantle is made of melted rocks and minerals The upper mantle is made of melted rocks and minerals and lower mantle is made of solid rocks The upper mantle is made of lava and the lower mantle is made of magma

Answers

Answer: The upper and lower mantle have very few differences but the lower mantle is more solid than the upper mantle.

Answer:

The upper and lower mantle differ from each other in location, temperature and pressure.

The upper mantle is made of melted rocks and minerals and lower mantle is made of solid rocks

Carlos is using the following images of a coal plant and a barbecue for his science investigation about chemical energy. Based on his observations, which statement most likely describes the conclusion of his investigation?

a coal plant


a barbecue


The images show examples of chemical energy being converted into heat and electrical energy.
The images show examples of mechanical energy being converted to heat energy.
The power plant and the barbecue convert electrical energy into chemical energy.
The power plant and the barbecue store heat energy and convert it to chemical and electrical energy.

Answers

I believe it is the first one, please correct me if I'm wrong.

Answer:

A

Explanation:

PLSSS HELP

The graph shows the distance traveled by a ball over a certain amount of time. According to the graph, between 2 and 4 seconds the ball was-

A. traveling at a constant speed.

B. increasing its speed.

C. changing its direction.

D. remaining at rest.

Answers

the correct answer is A. traveling at a constant speed.

help please, thank you !!

Answers

Answer:

5

Explanation:

someone help me with this question ASAP

Answers

Climate means the usual condition of the temperature, humidity, atmospheric pressure, wind, rainfall, and other meteorological elements in an area of the Earth's surface for a long time. In simple terms climate is the average condition for about thirty years.

Which of these is an example of solar energy?
A) heating a pot of water on a stove
B) heating water in the sun to make tea
C) cooling a house with an electric fan
D) cooling a house by pulling down shades​

Answers

A) heating a pot of water on a stove
B) heating water in the sun to make tea

Why are gamma rays not affected by a magnet as they pass over it?

a) Gamma rays do not have enough mass to be affected.
b)Gamma rays do not have the right electrical charge to be affected.
c) Gamma rays are composed of only energy.
d) Gamma rays move too fast for anything to affect their pathway.

Answers

I think it's B

I hope I helped

B - gamma rays do not have the right electrical charge to be affected

Which statements are true of geothermal energy? Check all that apply.

It is constantly being produced inside the Earth.
Hot water from hot springs or reservoirs is used in heating systems.
It is created by energy from the Sun.
It can be used to generate electricity.
It can be unreliable because it is affected by the weather.
The United States is the world leader in generating power from geothermal energy.

Answers

Answer:

1,2,4,6

Explanation:

Answer:

The answer is 1,2,4, and 6 on edge2021

Explanation:

PLEASE HELP! DUE IN 5 MINUTES! ( 10 points )
An atom of gold with 79 protons, 79 Electrons and 118 neutrons would have a mass number of....
A) 39
B) 158
C) 197
D) 276

Answers

Answer:

C

Explanation:

An atom of gold with 79 protons, 79 Electrons and 118 neutrons would have a mass number of  197 gold. Therefore, option C is correct.

What is mass number ?

The total number of protons and neutrons in an atomic nucleus is known as the mass number, often known as the atomic mass number or nucleon number. In atomic mass units, it is roughly equivalent to the atom's atomic mass.

Because it indicates the mass of the entire number of protons and neutrons in an element, the mass number of an element is so named. The atomic number and atomic mass of an element are typically listed in periodic tables along with the chemical symbols for each element.

The third element in the periodic table's eleventh column is gold. It is under the transition metal category. The most common isotope of gold has 118 neutrons and 79 protons together with 79 electrons.

Thus, option C is correct.

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What is chemical energy?

A Energy that is stored or released during a chemical reaction
B Energy that is destroyed during a physical change
C Energy that is released during a phase change
D Energy that is created when a substance is being burned

Answers

Answer:

A

Explanation:

A) energy that is stored or released during a chemical reaction.

The Periodic Table of Elements is organized by the number of:

a) neutrons
b) electrons
c) protons
d) neutrons and protons

Answers

Answer:

c) protons

Explanation:

Answer:

C: PROTONS

Explanation:

A student uses red litmus paper to test the pH value of different solutions. Which would result in a color change of the litmus paper?

soap
vinegar
lemon juice
antifreeze

Answers

the answer should be soap :)

The litmus paper shows red colour for acidic substances and blue colour for basic substances. Thus a red litmus paper will turn blue if it is dipped in an alkaline solution. Soap is  alkaline and given blue color to litmus.

What is pH?

pH of a substance is its measure of concentration of H+ ions in it. It is mathematically negative logarithm of H+ ion concentration. Thus, pH measures how much acidic or basic the solution is.

A pH of of 7 is neutral having no acidity or basicity. A pH less than 7 is acidic and pH greater than 7 is basic in nature. Vinegar is acetic acid and it shows less pH . Lemon juice also acidic since it contain citric acid whereas, soap is basic.

A litmus paper is used to identify whether a substance is acidic or basic. It shows red color for acidic solutions and blue for basic solutions. If the red litmus paper is dipped in acidic one, it shows no colour change if it is dipped in basic solution then it turns to blue.

Soap is highly alkaline and it changes red litmus paper to blue.

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Henry is in the community investigating sources of chemical energy for his science experiment. Select the best examples of chemical energy Henry can use.

A gas station and people playing hopscotch
A squirrel eating acorns and a fire burning
Someone reading a book and eating a sandwich
Someone sliding down the slide and someone drinking water

Answers

B it seems as a fire is better then the rest

Answer:

B

Explanation:

If three different samples of a liquid have different compositions, then the liquid can be classified as *

A.) an element
B.) a mixture
C.) a substance
D.) a compound

Answers

B is correct. A mixture

According to the forces of attraction, if three different samples of a liquid have different compositions, then the liquid can be classified as a mixture.

What are forces of attraction?

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different  states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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Laura and Jess observed two points, P and Q, on a number line. A number line is shown from negative 2 to positive 2 with increments of 2 over 8. A point P is shown at the fifth tick mark to the left of 0, and a point Q is shown at the fifth tick mark to the right of 0. Jess said that the absolute values of the numbers represented by the two points are different. Laura said that the absolute values of the numbers represented by the two points are the same. Which of the following explains who is correct?
Jess, because the points are of different signs
Jess, because the points are at different locations
Laura, because the distance between the two points is 10 over 8 units
Laura, because each of the two points is 10 over 8 units from 0

Answers

Answer:

P is 5 ticks to the left of 0, so it would be -5/8

Q is 5 ticks to the right of 0, so it would be at 5/8

an absolute value turns a negative number into a positive number

so absolute value of  P located at -5/8 = 5/8

this is the location of point Q

Jimmy said that the absolute values of the numbers represented by the two points are the same.  

so Jimmy is correct

Explanation:

-5/8=5/8 locations point Q jimmy is correct

A space shuttle is covered with two layers of carbon. The two layers are the same size and have the same number of molecules. When the space shuttle is sitting on the ground, the layers do not touch, as shown in the diagram above. When the space shuttle takes off, the layers move so that they are touching. Use the information in the diagram to answer the question.


How does the temperature of the outer layer compare with the temperature of the inner layer before the layers touch? What will happen after the layers have been touching for a while?

Answers

Answer:due to the heat of it the molicules expand and therefor touch also on rentry due to heat

Explanation:

The characteristics of the thermal transfer process allow to find the results for the questions regarding the temperature in the two cases are:

When the material is separated, the transfer is carried out by radiation, the internal temperature rises slowly. When the material is bonded, the heat transfer is carried out by conduction, the interior temperature rises rapidly.

Thermal conduction processes are mechanical by which thermal energy (temperature) is transported, they ask to be of three types:

Conduction. When there is no displacement of matter, the energy is transported by the agitation of the molecules. Convection. When matter is transported, very important for liquids and gases. Radiation. When there is no physical contact and the energy is transferred by the radiation of electromagnetic waves.

At the initial moment the two layers are not touching, therefore the only possible process is radiation, therefore the outermost body may be at a very high temperature and the inner body may be cold since radiation heating is the less efficient.

When the materials touch, the energy transfer process is thermal conduction, therefore the interior temperature will increase significantly. The thermal conduction process is one of the fastest, therefore the temperature rises rapidly.

In conclusion, using the characteristics of the thermal transfer process, we can find the results for the questions regarding temperature in the two cases are:

When the material is separated, the transfer is carried out by radiation, the internal temperature rises slowly. When the material is bonded, the heat transfer is carried out by conduction, the interior temperature rises rapidly.

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