If you want to find stars that are just being born, where are the best places to search?.

Answers

Answer 1

Answer:

In giant molecular clouds

Explanation:

Answer 2

To find the stars that are just being born, one of the best places to search is giant molecular clouds.

What is a Star?

An astronomical object known as a star is made up of a luminous plasma spheroid that is held together by gravity. The Sun is the star that is nearest to Earth. Other stars are also visible at night with the eye, but because of their great distances from Earth, they appear as stationary points of light.

Many of the brightest stars have names, and the most notable stars have been organized into constellations and asterisms. Star catalogs have been put out by astronomers that list the known stars and provide standardized stellar labels. An estimated 10²²–10²⁴ stars are alive in the observable cosmos.

These stars are all situated within the Milky Way galaxy, with only 4,000 of them being visible with the unaided eye.

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Related Questions

Please help I cannot fail!

Answers

Reactants
C8H18
O2

Products
CO2
H2O

Electric Charge
Directions: Identify each of the following as a conductor or an insulator by putting a “c” or an “i” in the blank.

Answers

The materials that are conductors are Metal doorknob, Silver, Gold, Copper, Metal coat hanger, Paper clip, while insulators are Carpet, Wood, Rubber, Bulletin board, Clothing, Plastic.

What are electric conductors?

Conductors are materials that allow electric current to pass through them.

What are Insulators?

Insulators are materials that do not allow electric current to pass through them.

Examples of conductorsMetal doorknobSilver GoldCopperMetal coat hangerPaper clipExamples of insulatorsCarpet WoodRubberBulletin boardClothingPlastic

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A stone is dropped from the top of a tall building. As it falls in the absence of air resistance, what happens to the de broglie wavelength of the stone?.

Answers

Explanation:

lambda = h/mv

hieght is decreasing

velocity is increasing

therfore the wavelength is decreasing.

A 100kg man wants to burn off 500 kilocalories by running up ar elliptical. How far will he have to climb?

Answers

The distance the  100kg man must climb to burn off 500 kilocalories by running up an elliptical path is 2,136.1 m.

Potential energy of the man

The potential energy of the man from a known height can be used to deternine the distance the man would have to climb.

P.E = mgh

Where;

P.E is potential energy, given as  500 kilocalories,

1 kcal = 4186.8 joules

500 kcal = 2,093,400 J

Distance traveled by the man

h = P.E/mg

h = (2,093,400) / (100 x 9.8)

h = 2,136.1 m

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Suppose the sphere is positively charged. Is it attracted to, repelled by, or not affected by the magnet?.

Answers

When a positively charged sphere is brought near the north pole of a magnet, the positively charged sphere will be attracted to the magnet.

Positively charged object

When a positively charged object is brought near the north pole of a magnet, the positively charged object will be attracted to the magnet beacuse of polarity.

Positively charged metals have the tendency to show the polarization of charges.

Thus, when a positively charged sphere is brought near the north pole of a magnet, the positively charged sphere will be attracted to the magnet. Also, if the south pole is brought near the sphere, the positively charged sphere will repel the magnet.

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When constructive interference happens between two sound waves, the sound will get louder. What does this tell you about the relationship between amplitude and volume of sound?​

Answers

Answer:

If the amplitude increases the volume increases and vice versa.So therefor the volume depends on how high or low the amplitude is.

When two or more sound waves occupy the same space, they affect one another. The waves do not bounce off of each, but they move through each other. The resulting wave depends on how the waves line up.

With constructive interference, two waves with the same frequency and amplitude line up – the peaks line up with peaks and troughs with troughs as in diagram A above. The result is a wave that has twice the amplitude of the original waves so the sound wave will be twice as loud.

i is trying to explain why the endoplasmic reticulum is important. Which of these analogies for the e
ulum would best help her with this explanation?
The endoplasmic reticulum is like a set of raw materials used to build bricks.
The endoplasmic reticulum is like a truck that transports newly made bricks out of the factory.
The endoplasmic reticulum is like a factory that helps produce, process, and transport bricks.
The endoplasmic reticulum is like a construction worker that builds a structure with bricks.

Answers

Answer:

i will say that the endoplasmic reticulum is a complex organelle that plays a pivotal role in protein and lipid synthesis, calcium storage and stress response

Place the following types of electromagnetic radiation in order from LOWEST energy
to HIGHEST energy?
(A) visible light (B) gamma rays (C) radio waves

1. А, С, В
2.С, А, В
3.В, С, А
4.С, В, А

Answers

Placing the electromagnetic radiation in order from the lowest energy to the highest energy :  ( 2 ) C,A,B

Electromagnetic spectrum

In the electromagnetic spectrum the electromagnetic radiation with the shorter wavelength possess a higher energy while the electromagnetic radiation with a longer wavelength possess the lower energy.

The electromagnetic radiation as listed in the question with the longest wavelength is the radio waves therefore it possess the lowest energy while the radiation with the shortest wavelength is the gamma rays therefore it possess the highest energy.

Hence we can conclude that Placing the electromagnetic radiation in order from the lowest energy to the highest energy :  ( 2 ) C,A,B

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Español:

¿Me podrian ayudar con esta pregunta? <3

Las aplicaciones de la diferencia potencial en la vida cotidiana.

English:

Could you help me with this question? <3

The applications of the potential difference in everyday life.

Answers

Las diferencia de potencial indica el valor de la fuerza o potencial eléctrico entre dos puntos, lo cual permite llevar electricidad a diferentes areas.

¿Qué significa diferencia de potencial?

La diferencia de potencial indica la fuerza ejercida por una corriente eléctrica entre dos puntos equidistantes.

La diferencia de potencial se mide en Volts, es decir, en voltaje (V), el cual indica la fuerza de la energía eléctrica que se puede transmitir entre dos puntos.

La diferencia de potencial nos permite tener energía en una vivienda o en una industria, como asi tambien usar un artefacto que requiera de electricidad para funcionar.

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ball and bowl system ​

Answers

Answer:

Once the ball is place at the position A and then released, It will accelerate towards the mean position under its weight. At the mean piston it again maximum velocity and momentum so its moves up-to the position B due to inertia. At B it has zero velocity so zero kinetic energy but maximum potential energy.

Again from point B it will move towards O under the restoring Force having maximum velocity at O but does not stop at O due to inertia and will go up to A. In this way the ball will continue to oscillate between the points A and B about the point O, it has simple harmonic motion.

Explanation:

how can I calculate the resistance of a wire 0.70m, radius 3mm and resistivity 2 ×10-6nm​

Answers

Answer:

The resistance of a cylindrical segment of a conductor is equal to the resistivity of the material times the length divided by the area: R≡VI=ρLA. The unit of resistance is the ohm, Ω.

Explanation:

Iron has a density of 7.9 g/cm 3. What is the mass of a cube of iron with the length of one side equal to 55.0 mm

Answers

Answer:

1314362.5 gm     or   1314.3625 kg

Explanation:

A cube has all three dimension =

  55 * 55 * 55 = 166375  cm^3

166 375 *   7.9 g/ cm^3 = 1314362.5 gm

A geyser has a rating 2 kVA, 240 V. (a) what is the electrical energy consumed by it in (i) kWh and (ii) joule if it is used for 90 mins. (b) if the cost of electricity is rupees 4.50 per commercial unit find the cost.​

Answers

See below~

Explanation:

Given, P = 2 kVA = 2 kW,

t = 90 min = 1.5 h

(a) (i) Electrical Energy Consumed = power * time

= 2 kW x 1.5 h

= 3 kWh ( or 3 commercial unit)

(ii) Since 1 kW = 3.6 x 10^6 J

therefore,

Electrical energy consumed = 3 x 3.6 x 10^6 J

= 1.08 x 10^7 J

(b) Cost of electricity

= energy consumed in kWh x cost per kWh

= 3 x Rs 4.50 = Rs. 13.50

Hope it helps you!!

A circular loop (10 turns) with a radius of 29 cm is in a magnetic field that
oscillates uniformly between 0.95 T and 0.45 T with a period of 1.00 s.
a. How much time is required for the field to change from 0.95 T to 0.45 T?
b. What is the cross-sectional area of one turn of the loop?
c. Assuming that the loop is perpendicular to the magnetic field, what is the
induced emf in the loop?

Answers

Answer is c ! I believe have fun

Blowing up a balloon and letting it go is an example of newton’s.

Answers

Answer:

Third Law Of Motion

Explanation:

When we let go of the end, the air rushes out and pushes against the air around the balloon to move it in the opposite direction. Newton describes this effect in his third law.

The blowing up of a balloon and letting it go is an example of newton's third law of motion or action-reaction law.

What is newton's third law?

According to Newton's third law, when two bodies come into contact, they exert forces on one another that really are equal in strength and pointed in the opposite direction. The third law is frequently referred to as the law of actions and consequences.

This law applies to bodies in constant or rapid motion and is crucial for understanding problems of static balance, where all forces are in balance. It doesn't only use bookkeeping techniques; the forces it portrays are actual forces. A book laying on a table, for instance, exerts a downwards force equal to its weight on the table. The third law states that the book is subjected to an equal and opposing force from the table.

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I need HELP
What kind of wave is produced, if a rope is moved as shown in the image below?




Group of answer choices

Both longitudinal and transverse

Transverse

Neither longitudinal nor transverse

Longitudinal

Answers

Answer:

Transverse

Explanation:

The direction of propagation is perpendicular to the motion of the hand. Therefore the wave undergoes a vertical stretching, which is characteristic of transverse waves. Longitudinal waves stretch horizontally.

The following are secondary sources of energy except a.coal b crude oil c nuclear d wind e wood

Answers

Answer:

d) Wind

Explanation:

Secondary energy is energy produced by converting energy available in its natural state in the environment. Hence Wind is a primary source not a secondary source

When carbon dioxide is in ocean water it bonds to carbonate, preventing its use by(1 point) coral reefs and shellfish. coral reefs and shellfish. whales and shellfish. whales and shellfish. coral reefs and currents. coral reefs and currents. whales and currents.

Answers

When carbon dioxide is in ocean water it bonds to carbonate, preventing its use by coral reefs and currents.

How is carbon dioxide used in the ocean?

Carbon dioxide (CO2) is made use of by aquatic photosynthetic organisms to make their own food.

Some examples of aquatic organisms that makes use of carbon dioxide are:

coral reefsalgaeaquatic plants

However, when carbon dioxide is in ocean water it bonds to carbonate, preventing its use by coral reefs and currents.

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Answer:

coral reefs and shellfish

Explanation:

Both need carbonate

an aeroplane flies with a velocity of 100km/h at an angle of 60 to the horizontal. Calculate its effective velocity in the notherly direction and easterly direction

Answers

Explanation:

to find the velocity across the positive y direction we multiply 100 by sin60.

to find the velocity across the positive x direction we multiply 100 by cos60.

horizontal: 50 km/h

vertical: 86.6 km/h

make sure to ask if you need any further guidance.


An asteroid falls from the sky and exerts 882 N of force on Earth's ground. How much force does it exert on Mars if the gravity on mar is 3.7m/s??

Answers

Answer:

333N

Explanation:

=>First you have to find the mass of the asteroid.

so 882N÷9.8m/s²=90Kg

then,multiply it by Mars's gravity

=>90Kg*3.7m/s²=333N

(15 points) How many circles do i draw, like in what order

Answers

Answer:

U have to draw 3 circles

take a specific point and draw 3 circles of different size from the same point.

Water is flowing through a pipe with a velocity of 5 m/s. The pipe has a diameter of 6 cm. The pipe then goes up 3 meters and narrows to a diameter of 4 cm. If the gauge pressure in the lower part of the pipe is 80 kPa, what is the gauge pressure in the higher and more narrow part of the pipe

Answers

The gauge pressure in the higher part will be 136 kph. The pressure is found with the help of the Bernoulli equation.

What is gauge pressure?

The difference between absolute pressure and atmospheric pressure is known as gauge pressure. Relative pressure is another name for gauge pressure.

From the continuity equation;

[tex]\rm A_1v_1=A_2v_2 \\\\ \rm \frac{\pi}{4}(6)^2 \times 5 = \frac{\pi}{4}(3)^2 v_2 \\\\ v_1 = 20 \ m/sec[/tex]

The gauges pressure in the higher part is found as;

From the Bernoullis equation;

[tex]\rm \frac{P_1}{\rho g} + \frac{v_1^2}{2g} +Z_1 = \frac{P_2}{\rho g} + \frac{v_2^2}{2g} +Z_2 \\\\ \frac{80 \times 10^3 }{\rho g} + \frac{(5)^2}{2g} +0= \frac{p_2}{\rho g} + \frac{(20)^2}{2g} +3 \\\\ \frac{80 \times 10^3 - P_2 }{1000 \times 9.81 } = \frac{20^2-5^2}{2 \times 9.81 } +3 \\\\ P_2 = 136 \ kpa[/tex]

Hence the gauge pressure in the higher part will be 136 kpa.

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If a radio wave carries information by changing the amplitude of the transmitted wave, what kind of broadcast might it possibly be?

A) AM radio and analog TV video
B) AM radio only
C) FM radio only
D) FM radio and analog TV sound

Answers

Option A because those are the correct ones

How are liquids and gases alike?

Answers

Answer:

The particles of both states are free flowing and they fill the container that they are in.

Explanation:

Liquids and gases do not have a set formation like a solid does. Liquids have more range of motion and will fill a container (such as how water will fill a glass). Gas has an even wider range of motion and move around very quickly.

At a distance of 10 km from a radio transmitter, the amplitude of the electric field is 0. 20 volts/meter. What is the total power emitted by the radio transmitter?.

Answers

a. 10 kW b. 67 kW c. 140 kW d. 245 kW e. 21 kW

What is the difference between tidal volume and vital capacity.

Answers

Tidal volume is the amount of air that moves in and out of the lungs, while vital capacity is the maximum amount of air a person can expel.

What is tidal volume?

Tidal volume is the amount of air that moves in or out of the lungs with each respiratory cycle.

What is vital capacity?

Vital capacity is the maximum amount of air a person can inhale after a maximum exhalation or maximum amount of air a person can expel from the lungs after a maximum inhalation.

Difference between tidal volume and vital capacity

Tidal volume is the amount of air that moves in and out of the lungs, while vital capacity is the maximum amount of air a person can expel from the lungs after a maximum inhalation.

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Immediately after it has started to rain, dust particles and oil residue float on the water and ____________ the traction of tires.

Answers

When it rains, dust particles and oil residues float on the water and this reduces the traction of tires.

What is traction?

This concept refers to a force between the tires and road that causes the movement of the wheels or vehicle is slower.

What happens with traction when it rains?

It is well-known more accidents occur when it rains, which is caused by cars slidding on the road. This is because when it rains traction or the grip of the wheel drastically reduces.

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9. What voltage is applied to a 20 ohm fixed resistor if the current through the resistor is 1.5 amps?

Answers

Question :-

What Voltage is applied to a 20 Ohm fixed Resistor, if the Current through the Resistor is 1.5 Ampere ?

Answer :-

Voltage of the Device is 30 Volt's .

Explanation :-

As per the provided information in the given question, The Resistance is given as 20 Ohm's . Current is given as 1.5 Amperes . And, we have been asked to calculate the Voltage .

For calculating the Voltage , we will use the Formula :-

[tex] \bigstar \: \: \: \boxed {\sf { \: Voltage \: = \: Current \: \times \: Resistance \: }} [/tex]

Therefore , by Substituting the given values in the above Formula :-

[tex] \Longrightarrow \: \: \: \sf { Voltage \: = \: Current \: \times \: Resistance } [/tex]

[tex] \Longrightarrow \: \: \: \sf { Voltage \: = \: 1.5 \: \times \: 20 } [/tex]

[tex] \Longrightarrow \: \: \: \bf { Voltage \: = \: 30 } [/tex]

Hence :-

Voltage of Device = 30 Volt's .

[tex] \underline {\rule {180pt}{4pt}} [/tex]

Additional Information :-

[tex]\Longrightarrow \: \: \: \sf {Voltage \: = \: Current \: \times \: Resistance} [/tex]

[tex] \Longrightarrow \: \: \: \sf {Current \: = \: \dfrac {Voltage}{Resistance}} [/tex]

[tex] \Longrightarrow \: \: \: \sf {Resistance \: = \: \dfrac {Voltage}{Current} } [/tex]

Answer:

30 Volts

Explanation:

Given:

Resistance = 20 ohmCurrent = 1.5 Amperes

To Find:

Voltage

Solution:

Using formula:

Voltage = Current × Resistance

By Substituting the required values,

Voltage = 1.5 × 20

Voltage = 30 Volts.

Hence,

The required Voltage is 30 volts

Part B For this activity, you'll analyze the motion of the marked spot on the skateboarder's leg. For each dropdown labeled “cm” or “model cm,” change the option to “Legs.” In each frame containing a plot or table, you can use the buttons at the top of the frame to choose whether it shows a plot (graph) or a table. If it is showing a plot, you can select the y-axis label to choose which measurement to plot. See how to change the graph and table options. Now look at the graphs for the horizontal and vertical displacement of the legs against time. How do the two graphs, x vs. t and y vs. t appear? What can you say about the displacement of the snowboarder?

Answers

Answer:

Explanation:

c. By using the Select Data button and the Select Data Source optionExplanation:A scatter plot is a plot which is used to plot the points of the data on the horizontal and the vertical axis also it depicts how one variable is affected by the another. After preparing the scatter plot to enter the data in the scatter plot we need to use the data button and then data source option so that the data could be entered in the scatter plothence, option c is correct

The two graphs, x vs. t and y vs. t that are displacement vs time  appear by using the Select Data button and the Select Data Source option.

What is Displacement?

Displacement is defined as the change in position of an object. It is a vector quantity and has a direction and magnitude.

A scatter plot is a plot which is used to plot the points of the data on the horizontal and the vertical axis also it depicts how one variable displacement is affected by the another. After preparing the scatter plot to enter the data in the scatter plot we need to use the data button and then data source option so that the data could be entered in the scatter plot.

The two graphs, x vs. t and y vs. t that are displacement vs time  appear by using the Select Data button and the Select Data Source option.

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Sodium-24 has a half-life of 15 hours. after 45 hours, how much sodium-24 will remain of an original 50.0-g sample? 5.56 g 6.25 g 16.7 g 25.0 g

Answers

Answer:

6.25  gm

Explanation:

1 /2  * 1/2 * 1/2 = 1/8th of the original

  50/8 = 6.25 gm

Answer:

its b

Explanation:

trust

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