In 2010, scientists obtained an image of an asteroid that was dangerously close to Earth. Which technology did the scientists likely use to capture the image?

GPS, because it uses satellites that provide position and velocity data
radio telescope, because it captures radio waves from space
MRI, because it uses magnets to produce a picture
submarine communication, because it uses LF radio waves

The total volume per minute using a standard macrodrip tubing (10 gtts/ml) is 34 drops/minute. The total volume per minute using a macrodrip tubing where 25 gtts = 1 ml is 14 drops/minute.

Calculation:

Total volume per minute using standard macrodrip tubing (10 gtts/ml):

To calculate the total volume per minute, we need to determine the total number of drops and convert it to milliliters per minute.

Given:

IV 1: 1000 mL RL

IV 2: 500 mL DENS

IV 3: 1000 mL DsW

Using a macrodrip tubing (10 gtts/ml):

IV 1: 1000 mL RL = 1000 * 10 = 10,000 drops

IV 2: 500 mL DENS = 500 * 10 = 5,000 drops

IV 3: 1000 mL DsW = 1000 * 10 = 10,000 drops

Total drops = 10,000 + 5,000 + 10,000 = 25,000 drops

Converting drops to milliliters per minute:

25,000 drops / 10 gtts/ml = 2,500 ml / minute

2,500 ml / minute ≈ 34 drops / minute

The total volume per minute using standard macrodrip tubing is approximately 34 drops/minute.

Total volume per minute using macrodrip tubing (25 gtts = 1 ml):

To calculate the total volume per minute, we need to determine the total number of drops and convert it to milliliters per minute.

Given:

IV 1: 1000 mL RL

IV 2: 500 mL DENS

IV 3: 1000 mL DsW

Using a macrodrip tubing (25 gtts/ml):

IV 1: 1000 mL RL = 1000 / 25 = 40 ml

IV 2: 500 mL DENS = 500 / 25 = 20 ml

IV 3: 1000 mL DsW = 1000 / 25 = 40 ml

Total volume = 40 ml + 20 ml + 40 ml = 100 ml

Converting milliliters to drops per minute:

100 ml * 25 gtts/ml = 2500 drops / minute

2500 drops / minute ≈ 14 drops / minute

The total volume per minute using macrodrip tubing (25 gtts = 1 ml) is approximately 14 drops/minute.

Using a standard macrodrip tubing (10 gtts/ml), the total volume per minute is approximately 34 drops/minute.

Using a macrodrip tubing where 25 gtts = 1 ml, the total volume per minute is approximately 14 drops/minute.

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The result will give you the wavelength in meters; multiply by 10^9 to convert it to nanometers.

To calculate the wavelength of light emitted when an electron jumps from n=5 to n=3 in a quantum harmonic oscillator, we can use the energy difference between these two states and then apply the Planck-Einstein relation. The energy of a quantum harmonic oscillator is given by:

E_n = (n + 1/2)hf, where n is the energy level, h is Planck's constant (6.63 x 10^(-34) Js), and f is the frequency.

Since we are given the spring constant (k) instead of frequency (f), we can use the relation between spring constant and angular frequency (ω): ω = sqrt(k/m), where m is the mass of the electron (9.11 x 10^(-31) kg). Angular frequency and frequency are related by: ω = 2πf, so we can substitute f = ω/(2π) into the energy equation.

First, find ω = sqrt(7.65 N/m / 9.11 x 10^(-31) kg) and then f = ω/(2π). Calculate the energy difference between n=5 and n=3 states: ΔE = E_5 - E_3. Then use the Planck-Einstein relation:

ΔE = hc/λ, where c is the speed of light (3 x 10^8 m/s) and λ is the wavelength.

Solve for λ: λ = hc/ΔE. The result will give you the wavelength in meters; multiply by 10^9 to convert it to nanometers.

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Answer:

In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not.

However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed.

Hope this helps :)

The back side of a polished spoon has f = -6.50 cm (convex). If you

hold your nose 5.00 cm from it then the  magnification of the image is

0.864.

The formula for calculating magnification in such a case is: Magnification = -di/do

Here, f = -6.50 cm is the focal length of the mirror, and the object is the back side of a polished spoon.

The distance between the object and the mirror, in this case, is the distance between your nose and the spoon, which is 5.00 cm.

Thus, the distance of the image from the mirror is:di = -f/(1/do - 1/f)

Putting the values in the formula, we get:di = -6.50/(1/5 - 1/-6.50) = -4.32 cm (negative sign indicates that the image is virtual)

Using the magnification formula, we have: Magnification = -di/do = -(-4.32)/5.00 = 0.864

Thus, the magnification of the image is 0.864.

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Answer:

are in equal size or act in same direction

Balanced forces are the forces which are equal in size. Balanced force has a net force which is equal to zero, and these do not cause a change in motion. Thus, the correct option is C.

Balanced forces are those which are opposite in direction and equal in the size. Balanced forces are considered to be in the state of equilibrium. When the forces are balanced and there is no change in direction. Combined forces which are balanced are always equal to zero. These forces are equal and hence do not cause any change in the motion of an object.

Examples of balanced forces include resting against a wall, lying down, aircraft in a steady-flight, floating in water, and standing in the ground.

Therefore, the correct option is C.

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Answer:

El trabajo realizado por la niña es 25.9 J.

Explanation:

El trabajo ue hace la niña viene dado por:

\( W = |F|*|d|*cos(\theta) \)    

En donde:

F: es la fuerza realizada = 10 N

d: es el desplazamiento = 300 cm

θ: es el ángulo entre la fuerza y el desplazamiento = 30°

Entonces, el trabajo es:

\( W = |F|*|d|*cos(\theta) = 10 N*3 m*cos(30) = 25.9 J \)    

Por lo tanto, el trabajo realizado por la niña es 25.9 J.

Espero que te sea de utilidad!        

Answer: is you in k12 and pick me for brainliest please in i will tell you the answer i did that all ready :)

Explanation:

Answer:

The process of evaporative cooling helps the body is explained below in complete details.

Explanation:

Your body performs the application of the evaporative process when secreting. Sweat, which contains 90 percent water, commences evaporating. ... This appears in a cooling impression (described as evaporative cooling) that serves to sustain body temperature and cools the body down when it becomes too hot.

The statement that would best describe the forces acting on the rope is that forces are in equilibrium.

Equilibrium force refers to a state in which the net force acting on an object is zero, meaning the object is either at rest or moving at a constant velocity.

This means that the sum of all forces acting on an object is equal to zero and there is no net acceleration. The object is said to be in a state of mechanical equilibrium.

So if both teams are pulling on the rope, but the rope is not moving, it simply means that the rope is in equilibrium, that is all the forces are equal.

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Without a figure provided, it is impossible to give a specific answer to this question. The magnetic field at the position of the dot will depend on the specific configuration and placement of the magnetic sources in the figure.

In order to calculate the magnetic field at a specific point, we would need to know the magnetic properties of the sources, their orientation, and the distance between them and the point in question.

However, in general, the magnetic field at any point in space can be described as a vector quantity, with magnitude and direction. It is typically measured in units of tesla (T) or gauss (G). The direction of the magnetic field is given by the direction of the magnetic force on a positive test charge placed at that point, and the magnitude of the field is proportional to the strength of the force.

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The power developed by the bicyclist while climbing a hill at a constant speed of 2.5 m/s by applying an average force of 85 N is approximately 212.5 W.

Given:Mass of the bicyclist, m = 45 kg. Speed of the bicyclist, v = 2.5 m/sAverage force applied by the bicyclist, F = 85 NPower is given by the formula:

P = Fv = 85 N × 2.5 m/s = 212.5 W.

The power of an object is the rate at which energy is transferred or work is done.

In this problem, we can calculate the power developed by the bicyclist by multiplying the force applied and the speed at which the bicyclist is moving.

The mass of the bicyclist is given as 45 kg and the speed at which the bicyclist is moving is given as 2.5 m/s.

The average force applied by the bicyclist is 85 N. Using the formula for power,

we can calculate that the bicyclist develops approximately 212.5 watts (W) of power.

Therefore, the power developed by the bicyclist while climbing a hill at a constant speed of 2.5 m/s by applying an average force of 85 N is approximately 212.5 W.

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Answer:

632.8 nm is the wavelength (in air) of red light from a helium neon laser.

Answer:

Because the concrete is metal and get hot fast

Answer:

Fred weighs more than bob

Explanation:

Answer:

Energy cannot be created or destroyed.

Explanation:

its in the name, law of "conservation" of energy. energy can only change forms not be destroyed

Answer: Energy cannot be created or destroyed.

Explanation: The law of conservation of energy states that energy can neither be created nor be destroyed due to energy loss. It can only change its states from one energy state to another.

The efficiency is defined as the ratio of output work to the input work. The efficiency of the fan is not 100%. Because some of the energy is lost in the form of heat and sound. No machine is 100% efficient. There is always some loss of energy takes place.

I really hope this helps and sorry it's late.

When solar radiation reaches the surface of the Earth, a variety of processes can occur.

Some of the energy is reflected back into space by clouds, snow, ice, and other reflective surfaces. Some of the energy is absorbed by the atmosphere, where it can be scattered, reflected, or absorbed by gases and particles. The remaining solar radiation that reaches the surface of the Earth can be absorbed by the ground, plants, and other materials, where it is converted into heat. This process is responsible for warming the Earth's surface and is a critical component of the Earth's climate system.

Solar radiation is a combination of different types of electromagnetic waves, including visible light, ultraviolet (UV) radiation, and infrared (IR) radiation. When solar radiation reaches the Earth's atmosphere, a portion of it is reflected back into space by the atmosphere itself, clouds, and other reflective surfaces.

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Taking into account the definition of speed, the average speed of the trip is 428.57 \(\frac{km}{h}\) .

First of all, it is necessary to know that speed expresses the relationship between the space traveled by an object and the time used for it.

In other words, speed can be defined as the amount of space traveled per unit of time with which a body moves.  That is, speed is associated with the change in position of a body over time and can be calculated using the expression:

\(speed=\frac{distance traveled}{time}\)

In this case, you know that an airplane travels at a speed of 300 \(\frac{km}{h}\) for 2 hours. So the distance can be calculated as:

\(300 \frac{km}{h} =\frac{distance traveled}{2 h}\)

distance traveled= 300 \(\frac{km}{h}\)×2 h

distance traveled= 600 km

On the other side, the airplane speeds up to 400 \(\frac{km}{h}\) for the next hour. So the distance traveled is:

\(400 \frac{km}{h} =\frac{distance traveled}{1 h}\)

distance traveled= 400 \(\frac{km}{h}\)×1 h

distance traveled= 400 km

Finally, the airplane travels the final 4 hours at a speed of 500 \(\frac{km}{h}\). So the distance can be calculated as:

\(500 \frac{km}{h} =\frac{distance traveled}{4 h}\)

distance traveled= 500 \(\frac{km}{h}\)×4 h

distance traveled= 2000 km

Then, you know that the total distance traveled and the total time for this trip is:

Replacing these values ​​in the speed definition:

\(speed=\frac{3000 km}{7 h}\)

Solving:

Speed= 428.57 \(\frac{km}{h}\)

In summary, the average speed of the trip is 428.57 \(\frac{km}{h}\) .

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Answer:

Newtons.

Explanation:

Force is given by the multiplication of mass and acceleration.

Mathematically, Force is;

\( F = ma\)

Where;

F represents force measured in Newton.

m represents the mass of an object measured in kilograms.

a represents acceleration measured in meter per seconds square.

Newtons is a measurement we use to determine the amount of force used to move an object by a simple machine. It is the International System of Units (SI) used to measure force and has a symbol of N.

Basically, it was named after Sir Isaac Newton based on his fundamental works in the field of mechanics (motions).

The induced EMF in the wire is 0.15625 volts when the wire moves in a perpendicular direction through Earth’s magnetic field.

Induced EMF (electromotive force) is a voltage that is produced in a conductor when it is moved through a magnetic field or when there is a change in the magnetic field around the conductor.

The EMF  induced in the wire is given by the equation:

EMF = BLv

where B is the strength of the magnetic field, L is the wire length, and v is the velocity of the wire relative to the magnetic field.

Substituting the given values, we get:

EMF = (5.0 x 10⁻⁵ T) * (25 m) * (125 m/s)

EMF = 0.15625 V

The magnitude of the induced EMF depends on the strength of the magnetic field, the speed at which the conductor is moving, and the angle between the magnetic field and the direction of motion of the conductor. This phenomenon is known as electromagnetic induction.

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The results of young's double-slit experiment were

- Waves produced a diffraction pattern.

- Results supported the wave theory of light.

- Results supported the particle theory of light

Two coherent sources of light are employed in Young's double-slit experiment, which is often conducted at a distance that is only a few times greater than the wavelength of the light used. Young's double-slit experiment contributed to our knowledge of the diagrammed wave theory of light.

The act of bending of the light around edges such that it expands out and illuminates regions, where a shadow is anticipated, is known as the diffraction of light. In general, since both occur simultaneously, it is challenging to distinguish between diffraction and interference.

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Answer: A,B,E.

Explanation: doing the quiz on edge!

The change in the period of the heated pendulum would be 0.0111 seconds.

The change in the period of a pendulum due to a change in temperature can be calculated using the formula:

ΔT = α * T0 * Δθ

Where:

To solve the problem, we need the coefficient of linear expansion of brass (α). Let's assume α = 19 x 10^(-6) (per degree Celsius).

T0 = 3.94 s (initial period of the pendulum)

Δθ = 149 °C (change in temperature)

ΔT = (19 x 10^(-6) * 3.94 s/°C) * (149 °C)

= 0.0110866 s

Therefore, the change in the period of the heated pendulum is approximately 0.0111 seconds.

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Answer:

HOPEFULLY i am correct but i say its D. Hopefully I helped!✨

Answer: It can be A or B

Explanation: In physics, motion is the phenomenon in which an object changes its position over time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, speed, and time.

Answer:

30 years old

Explanation:

The charge on the bead is approximately 2.16 x 10^(-7) coulombs.

To determine the charge on the bead, we can use the equation that relates the force experienced by a charged particle in an electric field to its mass and acceleration.

The force experienced by the bead can be calculated using Newton's second law of motion, which states that the force (F) acting on an object is equal to its mass (m) multiplied by its acceleration (a):

F = m × a

In this case, the mass of the bead is given as 3.6 g, which is equivalent to 0.0036 kg, and the acceleration is 12 m/s². Therefore, the force acting on the bead is:

F = 0.0036 kg × 12 m/s²

F = 0.0432 N

The force acting on a charged particle in an electric field can be expressed using the equation:

F = q × E

Where q represents the charge on the particle and E is the electric field strength. In this case, the electric field E⃗ = (200,000 N/C, up).

Since the electric field is directed upward, and the force experienced by the bead is also upward, we can conclude that the charge on the bead must be positive. Let's assume the charge is q coulombs.

Using the equation for force in terms of charge and electric field, we can rearrange it to solve for the charge q:

q = F / E

Substituting the values:

q = 0.0432 N / 200,000 N/C

q = 2.16 x 10^(-7) C

Therefore, the charge on the bead is approximately 2.16 x 10^(-7) coulombs.

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Given:

The distance traveled towards the north is d= 12 km

The velocity is v = 6.5 km/h

To find: the time

Explanation:

The formula to calculate time is

Substituting the values, the time will be

Final Answer: The time taken is 1.86 h

Answer:

a) ii

b) i

c)iii

d)iii

e) i

f)iii

Explanation:

i hope this will help

Answer:

the answer of b is N and d is mol

Answer:

the speed of the wave on the string is 43.16 m/s

Explanation:

Given;

first harmonic of the wave formed by the string, f₀ = 26 Hz

length of the string, L = 0.83 m

The wavelength for first harmonic of the wave is calculated as;

L = N ----> N

L = λ₀/2

λ₀ = 2L

The speed of the wave on the string is calculated as follows;

v = f₀λ₀

v = f₀ x 2L

v = 26 x 2 x 0.83

v = 43.16 m/s

Therefore, the speed of the wave on the string is 43.16 m/s

The Earth's atmosphere consists of several distinct layers, each with its own unique characteristics. From the ground up, these layers are organized in the following order: troposphere, stratosphere, mesosphere, thermosphere, and exosphere.

The troposphere is the lowest layer of the atmosphere, extending from the Earth's surface up to approximately 8 to 15 kilometers in altitude. This layer contains most of the Earth's weather phenomena, such as clouds, rain, and snow. Temperature decreases with altitude in the troposphere. Above the troposphere is the stratosphere, which extends from around 15 to 50 kilometers above the Earth's surface. The ozone layer, which absorbs and scatters ultraviolet solar radiation, is located in this layer. Temperature increases with altitude in the stratosphere due to the absorption of UV radiation by the ozone. The mesosphere is not mentioned in the original question but is the next layer above the stratosphere, extending from approximately 50 to 85 kilometers in altitude. In this layer, temperature decreases with altitude, and meteors often burn up upon entering the mesosphere.

Above the mesosphere is the thermosphere, extending from around 85 to 600 kilometers above the Earth's surface. This layer contains the ionosphere, which is important for radio communications. The temperature increases with altitude in the thermosphere due to the absorption of solar radiation by the few gas particles present. Finally, the exosphere is the outermost layer of the Earth's atmosphere, extending from about 600 kilometers to the edge of space. In this layer, gas particles are widely dispersed, and the boundary between the exosphere and outer space is indistinct.

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Answer:

They will repel each other since they have the same charge specifically negative

Explanation:

Answer:

The magnets will repel in other words they will pull away

Explanation:

In magnets like poles repel each other and unlike poles attract each other. So when placing the north pole of two magnets close together they will repel.

When two like-poles point together, the arrows from the two magnets point in OPPOSITE directions and the field lines cannot join up

Unlike-poles attract: When a north pole and south pole point together, the arrows point in the SAME direction so the field lines can join up and the magnets pull together