in a technical discussion, professional astronomers use which unit for the distance from the earth to the ring nebula?

Answers

Answer 1

Astronomical units, or 1 AU, are the units used to measure the separation between the sun and the earth. Astronomers measure the solar system's distance in astronomical units, or AU.

For convenience, we can state that the mean separation between the Earth and the Sun is defined by one astronomical unit (AU). An AU covers around 93 million miles (150 million km). About eight light minutes have passed.

The Sun and the things that circle it make up the gravitationally bound solar system. It was created 4.6 billion years ago when a massive interstellar molecular cloud collapsed because to gravity. The Sun contains the vast bulk (99.86%) of the solar system's mass.

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Related Questions

Talia is on a trip with some friends. In the first 2 hours , they travel 100 miles. Then they hit traffic and go only 30 miles in the next hour. The last hour of their trip , they drive 75 miles

Answers

Answer:

51 miles/hour

Explanation:

Talia is on a road trip with some friends. in the first 2 hours, they travel 100 miles. then they hit traffic and go only 30 miles in the next hour. the last hour of their trip, they drive 75 miles. calculate the average speed of talia’s car during the trip. give your answer to the nearest whole number.

The average speed would be 51 miles/hour.

The average speed of a moving object is defined as the total distance traveled relative to the total time taken fro the journey. Mathematically, it is given as:

  total distance traveled/total time taken.

In this case;

Total distance traveled = 100 + 30 + 75 = 205 miles

Total time taken = 2 + 1 + 1 = 4 hours

Therefore;

Average speed = 205/4 = 51.25 miles/hour

To the nearest whole number = 51 miles/hour

b. What is the man's weight on Mars where the acceleration due to gravity is
3.7 m/s2 ? Show your answer in both Newtons and pounds.

Answers

Answer:

How much is the mass of man?

Question 4 of 5
Which of Jupiter's moons has a very large number of active volcanoes?
A. Europa
B. Callisto
C. lo
D. Ganymede
SUOMI

Answers

Answer:

moon lo

Explanation:

It is the most volcanically active world in the solar system.

C. Moon lo. this is the correct answer

Bone has a Young's modulus of about 1.8 x 1010 Pa. Under compression, it can withstand a stress of about 1.51 × 108 Pa before breaking. Assume that a femur (thigh bone) is 0.5 m long, and calculate the amount of compression this bone can withstand before breaking. Answer in units of mm.

Answers

The femur can withstand a compression of about 4.1945 mm before breaking.

Compression calculations explained.

We can use the formula for compressive stress to calculate the amount of compression that the femur bone can withstand before breaking:

Stress = Force / Area

where the force is the force applied to the bone and the area is the cross-sectional area of the bone.

To find the cross-sectional area of the femur bone, we can assume that it has a circular cross-section and use the formula:

Area = πr^2

where r is the radius of the cross-section.

Since the length of the femur bone is 0.5 m, we can assume that the cross-sectional area remains constant along its length.

Let's assume that the force required to break the bone is the maximum compressive stress that it can withstand, which is 1.51 × 10^8 Pa. We can rearrange the stress formula to solve for the force.

We can use the equation for strain under compression:

strain = stress / Young's modulus

where stress is the maximum stress the bone can withstand before breaking, and Young's modulus is a measure of the stiffness of the material. The strain is a measure of how much the bone compresses under stress.

To find the compression distance, we can rearrange this equation to solve for the compression distance:

compression distance = strain x original length

where the original length is the length of the bone before compression

Substituting the given values:

stress = 1.51 × 10^8 Pa

Young's modulus = 1.8 × 10^10 Pa

original length = 0.5 m

First, we can calculate the strain:

strain = stress / Young's modulus = (1.51 × 10^8 Pa) / (1.8 × 10^10 Pa) ≈ 0.008389

Next, we can calculate the compression distance:

compression distance = strain x original length = (0.008389) x (0.5 m) = 0.0041945 m

Finally, we can convert the result to millimeters:

compression distance = 0.0041945 m x (1000 mm/m) = 4.1945 mm

Therefore, the femur can withstand a compression of about 4.1945 mm before breaking using Stress = Force / Area

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what process produces the light and heat of the sun?

Answers

Answer:

The light and heat of the sun are produced by the process of nuclear fusion, where hydrogen atoms combine to form helium, releasing vast amounts of energy in the process.

The intensity of the distributed lood acting on the beams 25 kN/m.) Determine the magnitude of reaction at Express your answer to three significant figures and include the appropriate units O ? N Value Units Submit Request Answer Figure Part 6 1 of 1 Delane te zand y components of reaction all sing scalar notation Express your answers using three significant figures separated by a comma HV AED vec ?

Answers

The magnitude of reaction at the beam due to the distributed load of 25 kN/m is 625 N.

What is the magnitude of reaction to the distributed load?

The magnitude of reaction at the beam can be determined by calculating the total force exerted by the distributed load. In this case, the distributed load is given as 25 kN/m. To find the magnitude of reaction, we multiply the distributed load by the length of the beam.

Therefore, the magnitude of reaction is 25 kN/m multiplied by the length of the beam in meters. By performing the calculation, we obtain the value of 625 N as the magnitude of reaction at the beam due to the distributed load. This represents the total force exerted by the distributed load on the beam.

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What is Otter's average velocity over his entire trip when it takes him 2 minutes to walk 100 meters north and another 1 minute to walk 70 meters south?Express your answer using the proper SI units. Round your answer to two decimal places, and include a direction if necessary.

Answers

Answer:

0.50m/s

Explanation:

Average velocity is the change in displacement of a body with respect to time.

Velocity = ∆S/∆t

∆S = 100m - 70m

∆S = 30m

∆t = 2min - 1 min

∆t = 1min = 60secs

Substitute the given parameters into the formula for velocity

Velocity = 30m/60s

Velocity = 1/2 m/s

Average Velocity = 0.5m/s

You have two springs, and you have tested both and graphed the results. Spring A has a slope kA = 30g/cm, and spring B has a slope kB = 50 g/cm.

A) Spring A is a shorter spring than B when they are both unstretched.

B) Spring A will stretch more than B if you hang the same amount of mass on each spring.

C) No! Spring B will stretch more than A if you hang the same amount of mass from each spring.

Answers

Spring A will stretch more than spring B if same mass is hanged from both of them because the value of Ka is less than that of Kb.

According to hook's law, for a spring,

F = -Kx

where,

F is applied force on the spring,

x is the extension or compression in string,

K is the constant of proportionality known as spring constant,

The value of spring constant tells us about the stiffness of the spring,

According to the situation,

Ka = 30g/cm

Kb = 50g/cm

So, the answer is option B,

As we can see, the value of Kb is more than Ka so, we can say that the spring B is more stiff than spring A,

So, if same mass is hanged from the spring A and Spring B, the spring A will stretch more.

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in a hydraulic press, a force of 20N is applied to a piston of 0.20m2 what is the pressure transmitted through the liquid?

Answers

Answer:

,

Explanation:

what are the two key guides to drawing a circuit diagram​

Answers

Answer:

1) The diagram is drawn with a ruler and a pencil. Always begin by tracing its general shape that is a rectangle. - 2) The standard symbols of the different electric components are located, preferably, in the middle of each side.Jan

Explanation:

Jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj

what is the shape of a solid?

Answers

Answer:

3d shape is the shape of solid

Glider one and glider two collided. The data table above shows the momentum of each before and after the collision. Perform an analysis of the data to determine whether or not momentum was conserved in the collision and answer the following question.
WAS MOMENTUM CONSERVED IN THIS COLLISION? Yes or No Explain your ANSWER in TWO SENTENCES

Glider one and glider two collided. The data table above shows the momentum of each before and after

Answers

I think there was momentum conserved

Explanation: I took the test

The Big Bang theory states that _____.

the universe was created from a cosmic explosion
the universe was formed from a collision between two galaxies
the universe is expanding and will continue to expand
the sun will eventually burn out and collapse

Answers

Answer:

A

Explanation:

The universe was created from a cosmic explosion.

Saturn is approximately 10 times as far away from the sun as the earth. This means that its orbital acceleration is _____ that of the earth. A. 1/10 B. 1/100 C. 1/1000 D. 1/10,000

Answers

Saturn is approximately 10 times as far away from the sun as the Earth. This means that its orbital acceleration is 1/10,000 that of the Earth.

The orbital acceleration of a planet depends on its distance from the sun according to Newton's law of universal gravitation. According to this law, the gravitational force between two objects is inversely proportional to the square of the distance between them.

Considering that the orbital acceleration is directly proportional to the gravitational force, and the gravitational force is inversely proportional to the square of the distance, it can be concluded that the orbital acceleration of Saturn is 1/10,000 times that of the Earth.

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A transparent material has a refractive index of 1.03. What is the speed of light in that material? Express your answer in km/s and keep three significant digits.

Answers

The speed of light in a transparent material with a refractive index of 1.03 is 299,236 km/s.

Refractive index is a dimensionless value that represents the ratio of the speed of light in a vacuum to its speed in a particular medium. The formula for calculating the speed of light in a transparent material is given by:

Speed of light in material = (Speed of light in vacuum) / Refractive index of the material

We know that the speed of light in vacuum is 299,792 km/s. Therefore, we can substitute the values in the above formula to get:

Speed of light in material = 299,792 km/s / 1.03

Solving this equation, we get the speed of light in the transparent material to be 299,236 km/s. It is important to note that the speed of light in any transparent material is always less than its speed in a vacuum because the refractive index of any material is always greater than 1.

In conclusion, the speed of light in a transparent material with a refractive index of 1.03 is 299,236 km/s. The refractive index is a dimensionless value that represents the ratio of the speed of light in a vacuum to its speed in a particular medium.

The formula for calculating the speed of light in a transparent material is given by the equation: Speed of light in material = (Speed of light in vacuum) / Refractive index of the material.

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Suppose the same experiment is run with a different light source. if the first-order maximum is found at 1. 90 cm from the centerline, what is the wavelength of the light?

Answers

The answer is \(\lambda=488.1 \mathrm{~nm}\)

\(y=\frac{\lambda D}{d}=1.9 \times 10^{-2}\)

\(\lambda=\frac{1.9 \times 10^{-2} \times 0.0298 \times 10^{-3}}{1.16}\)

\(\lambda=488.1 \mathrm{~nm}\)

What is the wavelength of the light?

The wavelength of light is defined as "the distance between the light wave's two successive crests or troughs." The Greek letter lambda (λ) represents it. As a result, the wavelength is defined as the distance between one wave's crest or trough and the next wave.The visible light spectrum is the portion of the electromagnetic spectrum that can be seen by the human eye. Simply put, this range of wavelengths is known as visible light. The human eye can detect wavelengths ranging from 380 to 700 nanometers.

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A mountaineer jumps off a ledge (with a height of 5m) to cross a crevasse with a
gap of 2m. What was the mountaineer's horizontal velocity to clear the gap? (use g=10m/s/s) (answers are in m/s) *
1
2
4
8

Answers

Answer: the correct answer is 8 please let me know if I’m wrong

Explanation:

What three factors affect electric force? Choose all that apply a whether the charge is positive or negative b amount of charge c the distance between two charged objects d potential kinetics of two objects

Answers

This is a secondary factor and is generally only significant at high speeds or in certain specialized circumstances.

The electric force between two charged objects is determined by the amount of charge on each object and the distance between them. These are the two primary factors that affect the electric force.

Firstly, the amount of charge on each object determines the strength of the electric force between them. Like charges (both positive or both negative) repel each other, while opposite charges (positive and negative) attract each other. The greater the amount of charge on the objects, the stronger the electric force between them.

Secondly, the distance between the charged objects also affects the electric force. The electric force decreases as the distance between the objects increases. This is because the electric field created by one charged object diminishes as it spreads out over a larger area.

In addition to these two primary factors, the potential kinetic energy of the two charged objects can also affect the electric force. If one or both objects are in motion, their kinetic energy can contribute to the overall energy of the system and affect the electric force.

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in an experiment, students use motion sensors to measure the speed of objects 1 and 2 , of masses m1 and m2 , respectively, that collide head-on while moving along a smooth horizontal surface. consider velocity to the right to be positive. all motion is along a straight line. the speeds of object 1 are v1i before the collision and v1f after the collision. the speeds of object 2 are v2i before the collision and v2f after the collision. before the collisions, object 1 is moving to the right and and object 2 is moving to the left. both objects reverse their direction of motion during the collision, as shown. question after analyzing the data, a student noticed that the motion sensor measuring the velocity of object 2 was not facing directly along the line of motion of object 2 , but was angled slightly. how would this affect the data collected by the students? responses the actual speeds of object 2 are smaller in magnitude both before and after the collision. the actual speeds of object 2 are smaller in magnitude both before and after the collision. the actual speeds of object 2 are larger in magnitude both before and after the collision. the actual speeds of object 2 are larger in magnitude both before and after the collision. there is no effect on the data there is no effect on the data the actual speeds of object 2 are smaller in magnitude before and larger in magnitude after the collision. the actual speeds of object 2 are smaller in magnitude before and larger in magnitude after the collision. the actual speeds of object 2 are larger in magnitude before and smaller in magnitude after the collision.

Answers

Object 2 really travels at higher speeds both prior to and after the impact.

What is the easiest way to define motion?

Motion is the gradual change in an object's location over time. Displacement, distance, speed, acceleration, time, and speed are all used to define motion.

Is motion the same as moving?

Changes in position in space are referred to as motion, move, or movement. Motion means a change in position, either separately from or as a feature of something that moves; it generally refers to the former, where in case the word perpetual motion is frequently used in a rather technical or scientific context.

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which four items were invented for moving and working in space This is astrology but it didn't give me an option to put that as the subject.

Answers

Answer: Innovations originally designed for space vehicles, including artificial muscle systems, robotic sensors, diamond-joint coatings, and temper foam,

Explanation: make artificial human limbs more functional, durable, comfortable, and life-like.

Why does Mars provide the best opportunity for habitation by humans?

Answers

Answer:

Mars is an opportunity for humans to carry forward the light of consciousness, plus it is the closest planet like earth, it has land humans can land on and although its small, theres still water

Four views of a horseshoe magnet and a current-carrying wire are shown in the drawing. The wire is perpendicular to the screen, and the current is directed out of the screen toward you. In which one or more of these situations does the magnetic force on the current point due north?.

Answers

Four views of a horseshoe magnet and a current-carrying wire are shown in the drawing. The wire is perpendicular to the screen, and the current is directed out of the screen towards you.

The magnetic force acting on a current-carrying wire is influenced by the direction of the current flow and the direction of the magnetic field, which is decided by the magnetic pole it is near. The magnetic field lines created by a bar magnet, for example, run from the north to the south pole.In the given figure, the magnetic field lines are moving from north to south, as shown by the white arrow.

When the direction of the current is perpendicular to the direction of the magnetic field, a magnetic force is exerted on the current-carrying wire. According to the right-hand rule, the magnetic force on the wire will be perpendicular to both the current-carrying wire and the direction of the magnetic field.

According to the right-hand rule, magnetic force will be directed north in the first view (A), and magnetic force will be directed east in the third view (C).

Therefore, magnetic force on the current points due north in the first view (A).Hence, the answer is the first view (A).

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Explain how an iron needle can become magnetized...

Use these words in your answer:
Domain
Align
Force

Answers

Answer:

If a piece of iron is brought near a permanent magnet, the electrons within the atoms in the iron orient their spins to match the magnetic field force produced by the permanent magnet, and the iron becomes “magnetized.”

Explanation:

i dont know how to add align and domain

name five example of derived qualities​

Answers

Answer:

velocity, power, energy, force and density

Explanation:

An atom of lithium (Li) forms an ionic bond with an atom of chlorine (Cl) to form lithium chloride. How are the valence electrons of these atoms rearranged to form this bond?

A few valence electrons are shared between the atoms.
Many valence electrons are shared between the atoms.
Electrons are transferred from the chlorine atom to the lithium atom.
Electrons are transferred from the lithium atom to the chlorine atom.

Answers

Answer:

electrons are transferred from the lithium atom to the chlorine atom

Answer:

D

Explanation:

I just took the test :)

A cheerleader launches a t-shirt from an air gun.The shirt leaves the gun at with a speed of 29m/s.

A. Ignoring air resistance, how long would it take the shirt to reach the top of it arc?

B. Ignoring air resistance, if the cheerleader launches with an intial height of 1.75m, what is the maximum height reached by the shirt?

Answers

With the use of vertical motion formula, the shirt will take 3 s to reach the top of its arc. And the maximum height reached is 44.7 m

Motion Under Gravity

The motion of an object under is the vertical motion of the object under the influence of acceleration due to gravity.

Given that a cheerleader launches a t-shirt from an air gun. The shirt leaves the gun with a speed of 29 m/s.

A. Ignoring air resistance, the time it will take the shirt to reach the top of its arc can be found by using the equation

v = u - gt

Where

final velocity v = 0 at maximum heightinitial velocity u = 29 m/sacceleration due to gravity g = 9.8 m/s²time t = ?

Substitute all the parameters into the equation

0 = 29 - 9.8t

9.8t = 29

t = 29/9.8

t = 2.96 s

t = 3 s approximately

B. Ignoring air resistance, if the cheerleader launches with an initial height of 1.75m, let us first calculate the maximum height reached by the shirt by using the formula

v² = u² - 2gH

At maximum height, v = 0

0 = 29² - 2 × 9.8 × H

0 = 841 - 19.6H

19.6H = 841

H = 841/19.6

H = 841/19.6

H = 42.9 m

The maximum height reached = 42.9 + 1.75 = 44.7 m

Therefore, the time taken for the shirt to reach the top of its arc is 3 s  and the maximum height reached is 44.7 m

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What PLACE is the 8 in in the number 38,341,097.54

Answers

Answer:

The millions place.

Explanation:

1. Which of the following statements is false? A) During a reaction, electrons move from an electrophile to a nucleophile B) Homolytic bond cleavage yields neutral radicals in which each atom gains on

Answers

The false statement is B) Homolytic bond cleavage yields neutral radicals in which each atom gains one electron.

In homolytic bond cleavage, each atom retains one electron from the shared pair of electrons, resulting in the formation of two neutral radicals, where each atom retains its original number of electrons.

No atoms gain or lose electrons in this process.

In a homolytic bond cleavage, a covalent bond is broken, and the shared pair of electrons is split equally between the two atoms involved in the bond.

This results in the formation of two neutral radicals, with each atom retaining one of the electrons from the shared pair.

A radical is a chemical species characterized by the presence of an electron that is unpaired, meaning it does not have a partner electron with which it forms a complete pair. When a covalent bond is homolytically cleaved, each atom involved in the bond gains one electron, resulting in the formation of two radicals.

These radicals are highly reactive due to the presence of the unpaired electron, which makes them prone to participate in further chemical reactions.

It's important to note that in homolytic bond cleavage, there is no transfer of electrons from one atom to another.

Instead, the bond is broken in a way that allows each atom to retain one of the electrons, leading to the formation of two neutral radicals.

Therefore, statement B, which suggests that each atom gains one electron, is false.

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How many calories of heat energy would it take to heat 200ml of water from 20ºC to 80ºC?

Answers

It would take approximately 16,800 calories of heat energy to heat 200ml of water from 20ºC to 80ºC.

To calculate this, you can use the specific heat capacity of water, which is approximately 1 calorie/gram ºC. Since 1 ml of water is equivalent to 1 gram, we can assume that the specific heat capacity for water in this case is also 1 calorie/ml ºC.

The temperature change is 80ºC - 20ºC = 60ºC.

So, the total heat energy required can be calculated as:

200 ml * 60 ºC * 1 calorie/ml ºC = 12,000 calories.

Therefore, it would take approximately 16,800 calories of heat energy to heat 200ml of water from 20ºC to 80ºC.

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In part 1, the absorption readings were made at the wavelength of maximum absorption for your selected food dye solution. Explain why this wavelength was used?.

Answers

When calculating a coloured solution's concentration, the wavelength of maximum absorbance is chosen since at this wavelength, even a small change in concentration can result in a noticeable change in light absorption.

What relationship does colour have with the wavelength of maximum absorbance?

The maximum absorbance wavelength is determined. Introduction: The reason coloured solutions are coloured is because they selectively absorb some light wavelengths while allowing other wavelengths to pass through. The light wavelengths that are not absorbed are what we, as observers, see.

The absorbance between 400 and 650 nm, often at intervals of 25 nm, is measured in order to establish the wavelength of maximum absorption. To identify the wavelength of greatest absorption, the data can be reviewed or graphed.

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communication is a. a two-way process of sharing information b. passing along factual data c. shouting a request across a noisy room d. sending information to another person The structure labeled. X represents: a) A tetrad b) Daughter cells c) DNA replication does the assumption of a poisson distribution with a mean of 6.0 seem appropriate as a probability model for these data? use 0.01. Your annual clothing bill went up from $677. 15 last year to $783. 17 this year. What is your annual percent of increase from last year to this year? Find all solutions to the equation in the interval [0,2pi). enter the solutions in increasing order. cos 2x = cos x the essential feature of criterion-related validity is establishing the relationship between performance on a test and performance on sometimes i wondered if i was seeing the same things through my eyes that the rest of the world was seeing through theirs. maybe there was a glitch in my brain. Because of the influence of a more sophisticated and educated public, what approach should corporations take to develop social responsibility plans Why does the correct lewis structure of Co2 involve a double bond between each of the oxygen atoms and the carbon atom Give your answer as a percentage1/4+ 20%% polluted and inadequate sanitation are estimated to contribute to illness for more than 5 million children annually. (use only one word Which sentence is a simple sentence?OA. Until the package gets here, I'm going to wait patiently by the door.B. The principal doesn't want any trouble, so you should act your age.OC. The feet of the lazy cat dangled from the lowest branch of thetree.D. Peanut butter costs a lot now because peanut crops havesuffered. You are auditing the waste management activity at an organization in the pharmaceutical industry who manufactures a range of prescription medicines in pill form. Outside of the building you notice just one large waste skip (container). On examining the contents, you see a mixture of items including cardboard packaging, plastic bottles, waste paper, empty tin cans and food waste. The skip is covered as required by local regulations that prohibit liquids from going to landfill. The environmental manager tells you that the only other waste stream is within the plant and involves recycling of scrap pills and ingredients, none of which is wasted. If you think there is sufficient evidence to report your findings as a nonconformity: Complete the nonconformity report on the following page. Or Complete the audit investigation template. What is 27% of 34? Answer down below a balloon is being fileld with helium at the rate of 4 ft^3/min. the rate, in square fee per minute, at which the surface area in increaisng when the volume 32pi/3 ft^3 is What is the most carbon neutral company? ed bok m Ask Print erences Garcia Company sells snowboards. Each snowboard requires direct materials of $120, direct labor of $50, variable overhead of $65, and variable selling, general, and administrative costs of $23. The company has fixed overhead costs of $675,000 and fixed selling. general, and administrative costs of $141,000. It expects to produce and sell 12,000 snowboards. What is the selling price per unit if Garcia uses a markup of 10% of total cost? (Do not round your intermediate calculations. Round your final answer to nearest whole dollar amounts.) Selling price per unit 12y=360 solve for y Write the equation of a line perpendicular to the line: y = 2x - 1 that goes through the point (-8, -5).Write your answer in slope- intercept form, using reduced fractions for the slope and intercept Early developments in cartography were driven largely by