Kepler's_____of planetary motion states that the planets have an elliptical orbit, with the sun at one focal point of the ellipse.

Answer:

A)  0.14 kg

Explanation:

we should know the formula: Force = mass * acceleration

her given force = 6 N  and  acceleration =  43 m/s²

                                              6 = mass * 43

                                            mass = 6 / 43

                                          mass = 0.13954 kg

                                        mass = 0.14 kg ......if rounded to nearest 2 decimals

The letter moves in Right to left direction.

Observation of the Letter “e” :

PROCEDURE:

1. Cut out a letter “e” and then  place it on slide face up.

2. Add a drop of water on the slide.

3. Place  coverslip on top of “e” and drop of water at 45-degree angle and lower. Draw what is on slide .Figure1.

4. Place slide on stage and view it  in low  power .Centre the “e” in

field of view. Draw what you see in Figure 2.

5. Move the slide to the left ,then move the slide to the right,

Answer:Galileo

Explanation:

Answer:

1) current

2) energy

3) medium

4) matter

Explanation:

A wave is a medium that carries energy through space. Some waves travel through empty space. Other waves must travel through a material, also known as an energy. Waves transfer energy but not matter.

A wave is a phenomenon that flows across a material medium without leaving any lasting mark. Mechanical or electromagnetic waves can be used to classify it. Transverse and longitudinal are the two main forms.

A disturbance that travels through a medium with a transfer of matter and without a transfer of energy best describes a wave.

The primary distinction between transverse and longitudinal waves is that in transverse waves, wave particles travel perpendicular to the wave's direction, but in longitudinal waves, wave particles move horizontally.

A wave is a medium that carries energy through space. Some waves travel through empty space. Other waves must travel through a material, also known as an energy. Waves transfer energy but not matter.

Hence, the correct answer for the blanks are medium,energy,and matter.

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By using,  the system of equations, the candy distributor must use: 20 kilograms of the 20% fat-content chocolate and 80 kilograms of the 60% fat-content chocolate to create 100 kilograms of a 52% fat-content chocolate.

To create 100 kilograms of a 52% fat-content chocolate, the distributor needs to mix a 20% fat-content chocolate with a 60% fat-content chocolate. Let's use the variables x and y to represent the amounts of the 20% and 60% chocolates, respectively.

The sum of the two chocolates must equal 100 kilograms:
x + y = 100

The fat-content percentage must equal 52%:
0.20x + 0.60y = 0.52 * 100

Now, we'll solve the system of equations. From the first equation, we can express y as:
y = 100 - x

Substitute this expression for y in the second equation:
0.20x + 0.60(100 - x) = 52

Expand and simplify:
0.20x + 60 - 0.60x = 52

Combine like terms:
-0.40x = -8

Divide by -0.40 to find x:
x = 20

Now that we have x, we can find y:
y = 100 - 20 = 80

So, the candy distributor must use 20 kilograms of the 20% fat-content chocolate and 80 kilograms of the 60% fat-content chocolate to create 100 kilograms of a 52% fat-content chocolate.

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Answer:

A

Explanation:

(45. 0 m/s) - (5.0 m/s) ÷ 20

40 m/s ÷ 20 s = 2 meter second minus 2.

I am sry if my ans is wrong

Diamond at 20°C is expected to have the greatest index of refraction.

The index of refraction is a property that describes how light propagates through a medium. It is a measure of how much the speed of light is reduced when passing through a particular material. The higher the index of refraction, the slower light travels through that material.

Among the given options, diamond is known for having a very high index of refraction. This is due to its dense molecular structure and high refractive index value, which is approximately 2.42. Diamond's unique crystal lattice and high optical density result in a substantial bending of light as it passes through the material.

Carbon dioxide at 0°C, liquid water at 20°C, and other materials generally have lower indices of refraction compared to diamond. While carbon dioxide and liquid water can refract light to some extent, their refractive indices are significantly lower than that of diamond.

Among the given options, diamond at 20°C is expected to have the greatest index of refraction. Its dense molecular structure and high refractive index value allow for a significant bending of light as it passes through the material.

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By using the concept of work and energy, the below are the answers

1. 100J

2. 100J

3. 0

4. Total energy = K.E + P.E

5. 1.02 kg

6. 14 m/s

Given that 100 J of work was done to lift a 10-N rock and set it at Position A near the edge of a cliff.

1. If the 100 Joules of work lifted the rock to the top of the cliff, how much potential energy did the rock gain?

Work is the product of force and the distance.

The potential energy gained by the rock will be equal to work done in lifting  up the rock which is 100 J

2. At point C, the rock's potential energy will be equal to the work done.

That is, at point C, P.E = 100J

3. The rock's kinetic energy at point A is Zero.

That is, at point A, K.E = 0

4. At point B, some of the rock's potential energy will be changed to Kinetic energy. Yes. Because the Total energy = K.E + P.E

5. What is the mass of the rock?

Weight W = mg

where g = 9.8m/s^2

W = 10N

Substitute both into the formula

10 = 9.8m

make m the subject of the formula

m = 10/9.8

m = 1.02 kg

6. What is the rock's velocity just before it hits the ground

Work done = Energy

That is, Work done = maximum P.E = maximum K.E

100 = 1/2m\(v^{2}\)

Substitute mass into the formula

200 = 1.02\(V^{2}\)

V = \(\sqrt{196}\)

V = 14 m/s

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Electrons in a metal wire behave with respect to electric field when there is an electrical current and when there is not with respect to potential difference.

An electric field is created inside of a metal wire when an electric potential difference is applied across its ends. The metal's free electrons are subject to a force due to this electric field. The electrons begin to travel through the wire in response to this force, forming an electric current. It is significant to remember that only the metal's free or delocalized electrons may respond to the electric field by moving with ease.

There is no electric field to act as a force on wire's electrons in the absence of an electric potential difference. As a result, the electrons in the metal lattice continue to move in a thermally random or largely stagnant manner. There is no current flowing since they do not show any appreciable net motion over the wire's length.When a current passes through a metal wire, the electrons inside it are not destroyed or lost. Instead, they carry on moving in a circular fashion while being pushed aside by nearby electrons as they progress through the wire.

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As the length of the string attached to the pendulum increases, its frequency decreases. Hence, the frequency of shorter string will be higher. The frequency of the string is 0.13 Hz and the length of pendulum is 16 m.

Frequency of an oscillation is the number of wave cycles per unit time. It is the inverse of time period. As the length of the pendulum increases, the frequency of oscillation decreases. Therefore, the shorter pendulum will have greater frequency.

Given time period of pendulum = 8 s.

then length of pendulum L = T²/4π² g.

l = 8²/4×π² × 9.8 m/s² = 16 m.

Frequency of the oscillation is the inverse of its time period. Hence, the frequency of the pendulum for a time period of 8 Hz is :

1/8 = 0.13 Hz.

Therefore, option a is correct.

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Answer:

E=mc△T

E=0.012(4200)(99-98)

E=50.4J

50.4 joules of heat is used

Answer: b) A positive charge is moved toward a positive charge.

The type of fault that occurs when plates move past each other in opposite directions is called a transform fault. It is characterized by horizontal movement along the fault plane, without vertical displacement.

Transform faults occur along plate boundaries where two lithospheric plates slide horizontally past each other. The most famous example is the San Andreas Fault in California, USA. Transform faults accommodate the lateral motion between plates and can result in significant seismic activity, as stored energy is released when the plates slip. These faults can cause powerful earthquakes and are responsible for the creation of prominent features like rift valleys and offset river courses. Transform faults play a crucial role in the overall dynamics of plate tectonics.

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A circuit is a closed loop that contains an energy source and any number of electrical components such as resistors, capacitors, inductors, and others connected to it. The battery, which is the energy source, is connected to three resistors in this circuit.

Each resistor has a different resistance, which is measured in ohms, and determines the flow of current through the circuit. If the resistance of a resistor is higher, the current flow through the circuit will be lower. The current will be greater if the resistance is lower.

Because resistors are connected in a series circuit, the current flow through each resistor is the same. However, the voltage drop across each resistor will be different. The total resistance in the circuit is the sum of the individual resistances of the three resistors. Ohm's law can be used to calculate the current flowing through each resistor and the voltage drop across each resistor.

In a series circuit, the total voltage across all the resistors equals the sum of the voltage drops across each resistor. To calculate the total resistance of a series circuit, you simply add the individual resistances together.

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X-rays are a form of electromagnetic radiation that have higher energy than visible light. As a result, X-rays travel through space at a faster speed than visible light.  True.

This is because X-rays have a shorter wavelength and higher frequency than visible light, which gives them more energy.

The speed of light in a vacuum is a fundamental constant of nature and is the same for all forms of electromagnetic radiation, including X-rays. However, X-rays can travel faster through materials that are denser than air, such as metal or dense materials, because they can penetrate these materials more easily.

Therefore, X-rays travel through space faster than visible light due to their higher energy and shorter wavelength, but they may travel more slowly through certain materials in the presence of a medium.  

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The principle of moments states that when a body is balanced the total clockwise moment about a point equals the total anticlockwise moment about the same point.Equation.Moment=Force F×perpendicular distance from the pivot do.

Heya!!

For calculate frequency, lets applicate formula:

                                                       \(\boxed{f=v/\lambda}\)

                                                   Δ   Being   Δ

                                               f = Frequency = ?

                                           v = Velocity = 144 m/s

                                          \(\lambda\) = Wavelenght = 0,5 m

⇒ Let's replace according the formula:

\(\boxed{f = 144\ m/s / 0,5\ m }\)

⇒ Resolving

\(\boxed{f = 288\ Hz}\)

Result:

The frequency of that wave is 288 Hertz

Good Luck!!

Answer:

sadasdsadasd

Explanation:

The diameter of Pluto (2360 km) < The diameter of Titan ( 5150 km) <

The diameter of Neptune ( 49500).

The most popular method involves using a telescope to accurately measure the planet's apparent angular diameter, or how massive it appears against the sky. The planet's real size may be determined by adding this to a distance measurement that was derived from the planet's orbit around the Sun.

When viewing an object from opposing sides of Earth's orbit around the Sun, the parallax technique measures the angle of apparent shift in the object's location to calculate distance. A area on the far edge of our Milky Way Galaxy, past the galaxy's core, was directly measured by scientists using this technique.

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I understand the question you are looking for is " Arrange these from smallest to largest:  The diameter of Pluto The diameter of Titan The diameter of Neptune?"

First aid suggestions include:

Hold your face under running water for 15 to 20 minutes and allow the water stream to flood into your eyes. Use your fingers to hold your eyelids apart (make sure there is no trace of the chemical on your fingers).

If you wear contact lenses, remove them as soon as possible.

Seek immediate medical advice. Medical staff will need to know what chemical was involved, particularly whether it was acid or alkaline, liquid or powder.

Do not judge the seriousness of your eye injury on the degree of pain. For example, alkali chemicals don’t usually cause significant symptoms, but can seriously damage the eye.

Powder or particulate (granular matter, like wet concrete) chemicals can be particularly damaging since they are more difficult to flush out.

Answer:

immediately wash eyes with water

Answer:

Thermal heat

Explanation:

The water heats up which it means it is thermal (heat/hot)

The frequency difference between the emitted sound (407.83 Hz) and the reflected sound (413.81 Hz) is caused by the Doppler effect.

This effect occurs when there is relative motion between the source of sound (the boy on the bicycle) and the observer (the wall). The speed of the boy can be determined using the formula for the Doppler effect:
f' = f * (v + vo) / (v + vs)
Where f' is the reflected frequency (413.81 Hz), f is the emitted frequency (407.83 Hz), v is the speed of sound in air (340 m/s), vo is the velocity of the observer (the wall, 0 m/s), and vs is the velocity of the source (the boy, which we need to find).

413.81 = 407.83 * (340 + 0) / (340 + vs)
Solving for vs, we get:
vs = ((413.81 * 340) / 407.83) - 340
vs ≈ 4.91 m/s
Therefore, the boy is riding his bicycle toward the wall at a speed of approximately 4.91 meters per second.

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The water budget equation for the Creek drainage basin is: Precipitation = Stream discharge + Evapotranspiration ± Change in storage.

To develop the water budget equation for this problem, we need to account for the inputs and outputs of water in the Creek drainage basin. The water budget equation can be expressed as,

P = Q + ET ± ΔS

P = Precipitation input (mm)

Q = Stream discharge (m³/s)

ET = Evapotranspiration (mm)

ΔS = Change in storage (mm)

First, let's convert the units of the given values,

Precipitation input (P) = 550 mm

Stream discharge (Q) = 1.8 m³/s

Now, let's determine the evapotranspiration (ET) and change in storage (ΔS) terms. However, the problem doesn't provide information about ET, so we cannot calculate it accurately. The problem doesn't provide information about ΔS, so we cannot calculate it accurately.

Given these limitations, we can write the simplified water budget equation for this problem,

550 mm = 1.8 m³/s + ET ± ΔS

Please note that without information about evapotranspiration and changes in storage, we cannot fully determine the water budget for the Creek drainage basin.

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Answer:

9800Nm⁻²

Explanation:

Given parameters:

Dimensions of the water tank = 6m x 4m x 4m

Density of water  = 1000kgm⁻³

Gravity  = 9.8m/s²  

Unknown:

Pressure exerted by the water at the base of the dam  = ?

Solution:

The pressure exerted by the water is given as:

  Pressure  = density of water x acceleration due to gravity x height of water

The height of the water here is half = 1m

Pressure  = 1000 x 9.8 x 1 = 9800Nm⁻²

A portion of a worksheet window bounded by and separated from other portions by vertical or horizontal bars is a:B. Pane.B. Pane.

A pane is a section of a worksheet window that is enclosed and isolated from other sections by vertical or horizontal bars. As in a scroll pane, split pane, or frozen pane in a spreadsheet programme, a pane is a discrete area of a window that is divided from other sections by horizontal or vertical bars. Panes let users examine and interact with various sections of a large worksheet or document without having to scroll or explore the entire thing. To personalise the display and make it simpler to work with enormous volumes of data, panes can be moved, resized, or hidden.

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Answer:

5.6*10^23. if 10^n is greater, that means its the larger value. hope dis helps

Explanation:

Answer:

Explanation:

actually , the acceleration due to gravity depends on the distance from it's center of the earth.

when the distance from the earth increases , the acceleration due to gravity decreases as a result . The value of gravity in space is zero.

Answer:

The second law of thermodynamics states in an isolated system, the entropy (the amount of thermal energy that cannot be converted into mechanical work, also known as the amount of disorder) always increases, therefore, an isolated system always require an external input (new sources) of energy for there to be orderliness or for the available energy of the system to remain constant or increase

Explanation: