The average bullet has a mass of about 0.02 kg and travels at about 766 m/s when it's fired from a gun; how
much kinetic energy does the average bullet have when fired?

Answers

Answer 1

Answer:

5867.56 Newtons

Explanation:

KE = 0.5mv^2

KE = 0.5*0.02kg*766m/s = 5867.56N


Related Questions

Explain how crust density is related to ocean trench.

Answers

The intense pressure, lack of sunlight, and frigid temperatures of the hadalapelagic zone make ocean trenches some of the most unique habitats on Earth.

What fraction of the Moon model was always lit up by the light in your model?

Answers

Answer:10

Explanation:

In the context of the Moon model, the fraction of the Moon that was always lit up by the light is half, or 1/2.

The explanation for this is that the Moon model discussed previously most likely depicts the Moon's phases as seen from Earth. The phases of the moon are caused by distinct areas of the lit side of the moon that are visible from Earth at various times during its orbit.

The Sun always illuminates half of the Moon's surface, leaving the other side in darkness. From Earth, we can only see the bright portion; the unlit portion is invisible. Different phases result from variations in the visible fraction of the lighted half of the Moon as it revolves around the Earth.

Therefore,  the fraction of the Moon that was always lit up by the light is half, or 1/2.

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Lab Report
Motion and Forces
It’s time to complete your Lab Report. Save the lab to your computer with the correct unit number, lab name, and your name at the end of the file name (e.g., U4_ Lab_MotionAndForces_Alice_Jones.doc).
Introduction
What was the purpose purpose of the experiment?
The purpose of the experiment is to test the hypothesis.
What were the independent, dependent, and control variables in your investigation? Describe the variables for each part of the experiment.


Write a hypothesis based on observations and scientific principles.
Type your answer here:
Experimental Methods
What tools did you use to collect your data?
Questionnaires and observations.
Write your procedure. List each step so that another student could follow the procedure and repeat your experiment.
Type your answer here:
Data and Observations
Record your observations.
Type your answer here:
Conclusions
What conclusions can you draw about how the sum of forces acting on an object affect its motion? Write an evidence-based claim.
Type your answer here:
Which mass, A, B, or C, was the greatest? Use the observations from your experiment and your knowledge of Newton’s laws of motion to write an evidence-based claim.
Type your answer here:
Make a model that shows the forces acting on two blocks on a flat, frictionless surface:
A 1 N block at rest
A 1 N block with 2 N of force applied in one horizontal direction
Include arrows to represent the forces and labels to indicate the magnitude of each force. Use your model to compare and explain the motion of each block.
Type your answer here:

Answers

Answer's C

Explanation: The matter that surrounding this whole planet or time and frequencies the motion and forces that people can't determine unless made a hypothesis

Which of these would have the highest temperature?

A. ice
B. water
C. water vapor

Answers

Answer:

Water vapor

Explanation:

because water vapor is gas and gas particles move faster than solid particles (which stick together) and water particles ( with a somewhat normal movement) and the faster the particle, the hotter the substance is. With that being said C is the correct answer.

C.
Water vapour is in the gaseous states has the highest amount of Kinetic energy. Therefore, it has the highest temperature.

Mahiya and Mrinmoy are in a relay around a square field with each side of length 60m. First, Mahiya runs at a speed of 6 ms−1 for 60m to pass a baton to Mrinmoy. Then Mrinmoy runs 120m at 4ms−1 while Mahiya runs through the field to reach the other corner. Then Mrinmoy passes the baton. But Mahiya is now tired since she has been constantly running. So, she only runs at 3ms−1 for the final 60m. What is the average speed of the baton in ms−1?

Answers

The average speed of the baton can be determined by dividing the total distance travelled by the total time taken for that travelling.

\(Average\ Time = \frac{Total\ Distance}{Total\ Time}\)

First, we will find the total distance, by adding the distances travelled by both Mahiya and Mrinmoy, while carrying the baton.

\(Total\ Distance = Distance\ Travelled\ by\ Mahiya\ to\ pass\ the\ baton\ to\ Mrinmoy\ +\ Distance\ Travelled\ by\ Mrinmoy\ to\ pass\ the\ baton\ to\ Mahiya\ +\ Final\ Distance\ Travelled\ by\\ Mahiya\)Total Distance = 60 m + 120 m + 60 m = 240 m

Now, we will find the total time taken for this travelling. To find out the total time we will divide each distance travelled by the speed of the traveller during that distance:

\(Total\ Time = \frac{60\ m}{6\ m/s}+\frac{120\ m}{4\ m/s}+\frac{60\ m}{3\ m/s}\\\\Total\ Time = 10\ s\ +\ 30\ s\ +\ 20\ s\)

Total Time = 60 s

Now, we finally find the average speed of the baton by using the formula:

\(Average\ Time = \frac{Total\ Distance}{Total\ Time}\\\\Average\ Time = \frac{240\ m}{60\ s}\)

Average Speed = 4 ms⁻¹

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What’s the kinetic energy of the roller coaster at the top and bottom of the hill? Use .
A kiddie roller coaster car has a mass 100 kilograms. At the top of a hill, it’s moving at a speed of 3 meters/second. After reaching the bottom of the hill, its speed doubles. The car’s kinetic energy at the bottom is ______
its kinetic energy at the top. The car has ______
joules of kinetic energy at the bottom of the hill.

Answers

Answer:

The car’s kinetic energy at the bottom is 4 times its kinetic energy at the top. The car has 1800 joules of kinetic energy at the bottom of the hill.

Explanation:

Answer:

A kiddie roller coaster car has a mass 100 kilograms. At the top of a hill, it’s moving at a speed of 3 meters/second. After reaching the bottom of the hill, its speed doubles. The car’s kinetic energy at the bottom is quadruple its kinetic energy at the top. The car has 1,800 joules of kinetic energy at the bottom of the hill.

Explanation:

I just took a Post Test on Edmentum over Energy :)

Good Luck!! :D

Will the velocity of the book change as it moves across the surface with NO friction? Explain your answer.

(dont HAVE to explain answer)

Answers

No velocity will not be changed

Why?

According to Newtons 1st law the velocity of a moving object remains unchanged unless a external force affect that.

No. IF the surface is level.

(Explanation withheld by request of the asker.)

O A. Feeding sugar to a child at times will not harm the child.
O B. Bribing a child is okay if used judiciously in critical situations.
OC.
It is alright to argue in a mature manner in front of kids.
OD
You should always deal with misbehavior firmly.

Answers

Answer:

Bribing a child is okay if used judiciously in critical situations.

You should always deal with misbehavior firmly.

Hope this helps..Pls mark as Brainliest!!

Answer:

B. Bribing a child is okay if used judiciously in critical situations.

D. You should always deal with misbehavior firmly

Hope this helps, and please mark me brainliest if it does!

pleaseeeeee help meee

pleaseeeeee help meee
pleaseeeeee help meee

Answers

I only know question 1
A = crest
B = amplitude
C = wavelength
D = trough
Same smart Sam salmon

Waldo gets stopped by the police, and the police officer tells Waldo that she caught him on radar doing 50 miles per hour in a 40 miles per hour zone.
Waldo responds, " I was traveling 50 miles per hour. I sat at home for 1 hour and then drove for 1 hour before you stopped me. I traveled 50 miles total in that second hour. So, my speed was 25 miles per hour. That's well under the speed limit."
Waldo is wrong, per speeding laws, and does receive a speeding ticket. Explain how Waldo came up with a speed of 25 miles per hour in multiple sentences.

Answers

Answer:

He calculated his average speed.

Explanation:

Waldo calculated an average of his speed in 2 hours rather than his speed whilst driving which means instead of doing 50/1 hour = 50 mph, he did 50/2hours which is how he got 25 mph. Hope this helps!

A wave has a wavelength of 15 m and a frequency of 10 Hz. What is the speed of this wave?

Answers

m/s=hz•m 10hz•15m=150m/s

Given the values of wavelength and frequency of the wave, the speed at which it was travelling is 150ms⁻¹.

What is Wavelength?

Wavelength is simply the distance over which the shapes of waves are repeated. It is the spatial period of a periodic wave.

Expression from the wavelength, frequency and speed relation;

λ = v ÷ f

Where λ is wavelength, v is velocity/speed and f is frequency.

Given the data in the question;

Wavelength of wave λ = 15mFrequency f = 10Hz = 10s⁻¹Speed of wave v = ?

We substitute our values into the above expression.

λ = v ÷ f

15m = v ÷ 10s⁻¹

v = 15m × 10s⁻¹

v = 150ms⁻¹

Given the values of wavelength and frequency of the wave, the speed at which it was travelling is 150ms⁻¹.

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The work input = _____.

F i ÷ d i
F o ÷ d o
F o × d o
F i × d i

The work input = _____. F i d i F o d o F o d o F i d i

Answers

The work input = Fi × di

How to solve for work input?

To solve for work input, you need to know the force acting on an object and the distance it moves in the direction of the force. Work input is defined as the product of force and distance, given by the formula:

Work Input = Force × Distance × cosθ

Where θ is the angle between the force vector and the direction of motion. If the force is applied in the direction of motion, then θ = 0 and cosθ = 1, so the formula simplifies to:

Work Input = Force × Distance

For example, if you are pushing a box with a force of 50 newtons over a distance of 10 meters, the work input would be:

Work Input = 50 N × 10 m × cos(0°) = 500 Joules

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Answer: F i × d i

Explanation:

A driver is driving a 6371 kg lorry. After spotting a hazard, the driver applies the brakes. The lorry decelerates uniformly and comes to a stop 60 m after the brakes are applied. Estimate the braking force needed to stop the lorry. ​

Answers

Answer:

The estimated braking force needed to stop the lorry is zero, based on the given information and calculations. However, it's important to note that this result is likely not accurate, as some force is required to stop a moving object. It's possible that additional information or calculations are needed to obtain a more realistic estimate of the braking force.

Explanation:

To estimate the braking force needed to stop the lorry, we can use Newton's second law of motion, which states that force (F) is equal to mass (m) multiplied by acceleration (a).

In this case, the lorry decelerates uniformly, so the acceleration is constant. The initial velocity is assumed to be zero since the lorry comes to a stop. The final velocity is also zero. Therefore, we can use the equation:

Final velocity squared (vf^2) = Initial velocity squared (vi^2) + 2 * acceleration (a) * distance (d)

Since vi = 0 and vf = 0, the equation simplifies to:

0 = 0 + 2 * a * d

Solving for acceleration (a), we have:

2 * a * d = 0

a = 0

Since the acceleration is zero, it means that the braking force needed to stop the lorry is also zero. This is likely not an accurate result as some force is required to stop the lorry. It's possible that additional information or calculations are needed to accurately estimate the braking force.

The braking force required to stop a 6371 kg lorry after spotting a hazard and applying the brakes is what the question is asking for. The lorry decelerates uniformly and comes to a stop 60 meters after the brakes are applied.

The following steps will guide you on how to calculate the braking force:

Step 1: Determine the mass of the lorry which is 6371 kg. This will be denoted as m.

Step 2: Determine the distance travelled by the lorry, which is 60 m.

Step 3: Determine the time taken by the lorry to stop. This can be done by using the formula for uniform deceleration, which is a = (v-u)/t where v is the final velocity, u is the initial velocity and a is the uniform deceleration. Since the lorry comes to a stop, its final velocity is zero and its initial velocity is unknown.

However, we can assume that the lorry was initially travelling at a constant speed before spotting the hazard. Therefore, we can assume that the initial velocity was equal to the average velocity of the lorry before the brakes were applied.

This can be calculated using the formula v = d/t where d is the distance travelled and t is the time taken. The average velocity can therefore be calculated as follows: v = d/t = 60 m/t

Step 4: Rearrange the formula for uniform deceleration, a = (v-u)/t, to find u which is the initial velocity. Since the lorry comes to a stop, we know that v = 0.

Therefore: u = v - at where a is the uniform deceleration and t is the time taken to stop which is also equal to the time taken for the lorry to travel the distance of 60 meters. Substituting for v, we get: u = - at

Step 5: Calculate the acceleration of the lorry using the formula a = (v-u)/t. Since the final velocity is zero, we get: a = -u/t = -(-at)/t = a The acceleration is negative since the lorry is decelerating.

Step 6: Calculate the braking force using the formula F = ma where F is the braking force and m is the mass of the lorry. Therefore: F = ma = (-ma) since a is negative = (-6371 kg) (a) Therefore, the braking force required to stop the lorry is -6371a N where a is the uniform deceleration calculated in Step 5.

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Suppose you move the free end of a rope up and down to create a wave. The rope is the medium How does the wave move in relation to the rope particles?

Answers

Answer:

the molecules in the rope move/vibration, vibrating the molecules around it and this vibrations we hear as sound , if you have any questions you can ask me.

The disturbance that transfers energy from place. Swimming the rope transfer of energy in the swing

What does your body use to replace tissues and organs?

Answers

Answer:

the body produces stem cells

Explanation:

you body uses stem cells to replace tissues and organs

please help need help hurry due in 30 minutes

please help need help hurry due in 30 minutes

Answers

Answer:

No, I don't agree with the friend.

Explanation:

I don't agree because the energy doesn't just "disappear it's converted to kinetic energy. due to the friction some of the energy in the system is converted to heat energy making it look like it "disappeared".

Energy can't be created nor destroyed so it definitely can't just disappear though it can be converted or transformed.

I hope that helped :)

no i don’t agree with friend
hope this helped

Savion listed the steps involved when nuclear power plants generate electricity.

Nuclear reaction occurs.
Nuclear energy is converted to radiant and thermal energy.
Heat is used to generate steam.
Light and heat are released.
Steam turns turbines.
Mechanical energy is converted to electrical energy.
Which best explains how to correct Savion’s error?

Answers

Explanation:

Which best explains how to correct Savion's error? In step 2, change “radiant and thermal ” to “chemical and mechanical.”

Please ANSWER IMPORTANT
What are the light gray lines in the graph showing? Provide EXAMPLES

What are the black lines in the graph showing? Provide EXAMPLES


PROVIDE EXAMPLES 2-4 EACH QUESTION, I WILL MARK BRAINLEIST

Please ANSWER IMPORTANTWhat are the light gray lines in the graph showing? Provide EXAMPLESWhat are the

Answers

Answer:

dont know my guy

Explanation:

The light gray lines in the graph are showing the prediction made, the prediction of the temperature change in that specific habitat. I would have to assume that the length of the line shows both the starting degree and how much the degree changes.

The black lines are showing the specific temperature change that the species can adapt to. The length of the line is showing the range of those temperatures.



I hope this helps! Let me know if you have any questions! Good luck on the rest of your assessment!

Mark this as Brainliest (if i helped of course) if you get a chance:)

A marble has a volume of 2 cm3 and its mass is 10 grams. What is the density of the marble?

Answers

Answer:

Density = 5

Explanation:

Formula: density = mass divide by volume

Mass = 10

Volume = 2

so 10 divide by 2 will give density

density = 5

What are the positive and negative effects of the mountain-climbing trade on the local environment and economy? 3-5 sentences, please thx

Answers

It depend on what weather it is but if it’s below 70 or 80 degrees you may want to to wait to it get hotter but you would have to wait until it gets warmer because that is the best weather I hoped I helped you out please give my points if you whould like if it is wrong truly sorry

How many kPa’s are in 400 torr?

1. 25kpa
2. 53.3kpa
3. 400kpa
4. 101.3kpa

Answers

The answer is 53.3kpa all you have to do is divide the 400torr by 7.501 to get the answer in kpa
53.3kpa is the correct answer.

Match the numbers to the answer below

Match the numbers to the answer below

Answers

1. Stationary front
2. Isobar
3. Cold Front
4. Air mass
5. Weather maps

A meteor falls toward Earth's surface. Given that the acceleration due to
gravity is 9.8 m/s^2, what is the meteor's potential energy if it has a mass of 10
kg at an altitude of 400 m?
O A. 408 J
O B. 7,840,000 J
O C. 2J
O D. 39,200 J

Answers

Answer:

39,200J

Explanation:

just took the test

The meteor's potential energy if it has a mass of 10kg at an altitude of 400 m will be 39200 J

What is potential energy ?

Potential Energy that depend upon the relative position of various parts of system . It is an energy possessed by an object by virtue of its position or configuration.

mass(m)  = 10kg

g (acceleration due to gravity) = 9.8m/s^2

altitude(height (h)) = 400m

Meteor's Potential energy = m * g * h

                                           = 10 * 9.8 * 400 = 39200 J

correct option will be a) 39200 J

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A group of students is tasked with developing a checklist for determining whether a material undergoes a chemical or physical change. The students make a preliminary list of properties that they can test and classify each as either a chemical or physical property.

Chemical Property Physical Property
bubbles when treated with acid color
burns when placed in a candle flame odor
density hardness
boiling point mass
dissolves in water melting point
Several other students in the class claim that the checklist is incorrect.

What change should the group make to the checklist to correct their mistake?


Boiling point and density should be moved to the physical property side of the list, and color and odor should be moved to the chemical property side of the list.


Boiling point and density should be moved to the physical property side of the list, and hardness and mass should be moved to the chemical property side of the list.

Dissolves in water and boiling point should be moved to the physical property side of the list, and odor and mass should be moved to the chemical property side of the list.

Density and boiling point should be moved to the physical property side of the list.

please help

Answers

Answer:

that's alot better explain it

Place the parts of the human circulatory system in order from highest to lowest degree of internal organization.

→ → →

Place the parts of the human circulatory system in order from highest to lowest degree of internal organization.

Answers

Answer: The human circulatory system can be arranged from the highest to the lowest degree of internal organization as follows: Heart, Blood Vessels, Arteries, Veins, and Capillaries.

Explanation: The human circulatory system can be arranged from the highest to the lowest degree of internal organization as follows:

Heart: The heart is a vital organ responsible for pumping oxygenated blood to the body and deoxygenated blood to the lungs. It consists of chambers (atria and ventricles) and valves that regulate blood flow.

Blood Vessels: Blood vessels form a network of tubes that transport blood throughout the body. They can be classified into three types: arteries, veins, and capillaries.

Arteries: Arteries are thick-walled blood vessels that carry oxygenated blood away from the heart to various parts of the body.

Veins: Veins are blood vessels that transport deoxygenated blood from the body back to the heart. They have thinner walls compared to arteries and contain valves to prevent backflow.

Capillaries: Capillaries are tiny, thin-walled blood vessels that connect arteries and veins. They facilitate the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.

Please note that this arrangement is based on the internal organization of the circulatory system, with consideration given to the hierarchical structure and function of each component.

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Answer:

Cell, tissue, organ and organ system

Explanation:

The correct order from the lowest to the highest degree of internal organization is the following Cell, tissue, organ, and organ system then at last whole body. It is because the cells are produced in order to form the tissues in the body and in order for an organ to be produced tissues are essential and are formed and in order for a system.

i need helpppppp asap

i need helpppppp asap

Answers

It’s c because it’s not Control so that means that it would be broken and non fix able

PLS HELP
Determine the quantity of work done when a crane lifts a 200-N block from 2 m above the ground to 6 m above the ground.

Answers

Ok do 200x2 then divide by 6

4. The Himalayan Mountains tower as high as 8,854 m above sea level. The rate of plate motion is about 10 cm per year. Use the diagram to explain how the Himalayas formed. Predict how they might look in 10 million years.

4. The Himalayan Mountains tower as high as 8,854 m above sea level. The rate of plate motion is about

Answers

Answer:

Forty million years ago, the continent of India, which was being carried northward by the Indo-Australian plate, collided with Asia forming the Himalayan mountain range (fold mountains). Since the initial encounter, the subcontinent of India has moved 2,000 kilometers farther north at a rate of 5 centimeters a year, sliding beneath Asia as it moves. In 10 million years India will plow into Tibet a further 180km. This is about the width of Nepal.

Answer:Since the initial encounter, the subcontinent of India has moved 2,000 kilometers farther north at a rate of 5 centimeters a year, sliding beneath Asia as it moves. In 10 million years India will plow into Tibet a further 180km. This is about the width of Nepal.

BRAINLIEST!!!

YOU HAVE 5 MINUTES!!!!

Design an easy do-it-yourself compost bin that can be put

together at home. You can describe it, draw and label it, or both!

Include the following in your design:

• drawing or description of design

• materials used for the bin

• size of the bin

• substances used to fill it

• household items that can go in it

• how long it takes before it is ready

• how you use the compost

2)

Compost bin design: Add these household items to

your compost bin:

Compost is ready to use in this

much time:

Use your compost this way:

BRAINLIEST!!! YOU HAVE 5 MINUTES!!!!Design an easy do-it-yourself compost bin that can be puttogether

Answers

Answer:

Explanation: COMPOST BIN

WHAT IS A COMPOST BIN?

A compost bin is a container into which you place organic waste to turn into compost (organic material) over time.

Most compost bins are designed to hasten the decomposition of organic matter through proper aeration and moisture retention. With the proper combination of air and moisture, ideal conditions are produced for the activity of aerobic organisms responsible for the high temperatures that transform the organic materials into compost

Read on to find out how to start a compost bin, DIY compost bin ideas, and more tips for beginners.

The decomposition process will eventually take place over time in a compost "pile" or "heap," even without any housing to contain the matter. However, a compost bin is worth it because it helps speed up decomposition and keeps the area neat. Some bins are continuous, meaning you can keep adding waste to them, while others create batches of compost with a set mix of ingredients you add all at once. Depending on the style of compost bin you choose, bins can also have the advantage of making it harder for rats to get at your compost. This is true of the tumbler type, for example.

CHOOSING THE RIGHT BIN

Select the right bin for your composting needs. You can make an inexpensive compost container out of almost any container or material. Some ideas include:

Plastic storage container

Plastic bucket

Trash cans

Straw bales

Lumber

Branches harvested from the woods

Stone

Cinder blocks

Wire fencing

Ceramic (also popular for a kitchen countertop compost bin)

The best bin, however, is one you can easily turn or rotate consistently to control odors and make sure all the materials decompose. This is especially important for aerobic composting (more information below). A tumbler composting bin is pricey, but you can DIY one from barrels and sawhorses. You can turn compost with a rake or shovel in a non-rotating bin, it just takes more labor to do so.

Pls, mark as brainlist

BRAINLIEST!!! YOU HAVE 5 MINUTES!!!!Design an easy do-it-yourself compost bin that can be puttogether
i suggest using a plastic bin the you can turn in some way. Use any fruits or vegetable scraps (what’s grown for the earth can go back in)

NO MEAT OR BREAD type foods- artificial/processed/attracts animals. Even buying a compost off amazon is a great idea because most human trash every year can be composted. Hope this helps :)

Keep some moister in it and make sure it gets sun. If bugs get in it, not a big deal. As well, if stuff rots, it’s ok that’s normal.

help on these 2 pls ASAP!!!!!!

BTW ITS A SCI QUESTION

help on these 2 pls ASAP!!!!!!BTW ITS A SCI QUESTION
help on these 2 pls ASAP!!!!!!BTW ITS A SCI QUESTION

Answers

Answer:

Net force

I think it’s balanced force

First one is unbalanced force
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