if a dice is thrown at random find the probability of getting 4​

The example provided, where Isaac Newton showed that the same laws govern motion in both realms of Earth and space, best fits the theory of explanation known as Causal Unifications'.

Causal Unifications theory aims to explain phenomena by identifying common causes or underlying principles that apply to seemingly distinct phenomena. In this case, Newton's discovery of the laws of motion demonstrated that the same fundamental principles govern both celestial and earthly motion.

To summarize, the example of Isaac Newton demonstrating that the same laws govern motion on Earth and in space aligns with the Causal Unificationist theory of explanation, which seeks to identify common causes or underlying principles that apply to seemingly distinct phenomena. By discovering the laws of motion, Newton provided a unified explanation for motion in both realms, challenging the previous belief in separate laws for celestial and earthly motion.

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The coefficient of the kinetic friction between the box and the floor is μk 0.21.

Friction is the force resisting the relative motion of strong surfaces, fluid layers, and fabric elements sliding against every different. There are several sorts of friction: Dry friction is a pressure that opposes the relative lateral movement of two solid surfaces in touch.

Calculation:-

Given,

mass = 40 Kg

Applied force F = 85 N

initial velocity u = 0 (rest)

distance moved = 1.4 meter

Final velocity = 1 m/s

coefficient of kinetic friction =?

Normal force = N = mg = 400 N

v² = u² +2as

a = v²/2s

  = 1/2×1.4

 = 0.36 m/s²

F = μkN

μk = F/N

     = 85/400

     0.21

Friction is a shape of touch pressure. It exists between the surfaces which are in touch. The frictional force relies upon on the person of the surface in contact. The rougher the floor, the greater the friction is involved. The frictional force is proportional to the urgent pressure, this is the weight of the body. it's far impartial of the place of the touch.

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Answer:

Ultraviolet, visible, and infrared light are all examples of electromagnetic radiation, which has the properties of both particles and waves.

Explanation:

Answer: the answer is D yellow vs red

Explanation: hope this helps

Yellow versus red is not a receptor pair according to the opponent process theory. Hence, option D is correct.

Associated membrane proteins known as paired receptors are mainly expressed on immune cells. Although they have both activating and inhibitory members, they feature extracellular domains with highly conserved amino acid sequences. The immunoreceptor tyrosine-based inhibitory motif (ITIM) is present on inhibitory receptors in the cytoplasm. The immunoreceptor tyrosine-based activation motif is present on the adaptor protein, whereas the activating receptors have short cytoplasmic portions and a positively charged residue (Arg or Lys) in the transmembrane domain to bind with it (ITAM). They are expressed typically on overlapping immune cells and are found in tiny gene clusters on a chromosome.

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The reason why very high temperatures are required to obtain useful energy from a nuclear fusion reactor is to overcome the electrostatic repulsion between the positively charged atomic nuclei that are to be fused together.

Nuclear fusion is a process in which two atomic nuclei combine to form a heavier nucleus, releasing a tremendous amount of energy in the process. However, for this process to occur, the positively charged atomic nuclei must overcome their natural tendency to repel each other due to their electrostatic charges. This requires a very high temperature, on the order of millions of degrees Celsius, to provide the kinetic energy necessary for the nuclei to overcome their repulsion and come close enough together to fuse.

The high temperature also causes the atomic nuclei to be ionized, which means they are stripped of their electrons, forming a plasma. The plasma is confined within a magnetic field in the fusion reactor to prevent it from touching the walls of the containment vessel, which would cause it to rapidly lose energy and cool down, preventing the fusion reaction from occurring.

Therefore, the challenge in obtaining useful energy from a nuclear fusion reactor is to maintain the high temperatures and confinement of the plasma for a sustained period of time, in a way that is efficient, safe, and cost-effective.

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The distance above the ground the rock  should be dropped such that it hits the ground at 2t after it is released from rest is 4h.

The height of fall of the rock is calculated by applying the following kinematic equation as shown below.

h = vt + ¹/₂gt²

where;

h = 0 + ¹/₂gt²

h = ¹/₂gt²

2h = gt²

g = 2h / t²

h₁ / t₁² = h₂ / t₂²

The distance above the ground the rock  should be dropped such that it hits the ground at 2t after it is released from rest is calculated as;

h₂ = ( h₁ / t₁² )(t₂²)

h₂ = ( h/t²)(2t)²

h₂ = ( h/t²)(4t²)

h₂ = 4h

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A thermometer sensitive is a bulb with a thin glass wall. so, option (a) is correct.

What is thermometer?

A thermometer is a device that measures temperature. The three most used ways to measure temperature are in degrees Celsius, degrees Fahrenheit, and degrees kelvin. The metric system incorporates the Celsius scale.

What is thermometer sensitive?

The degree of change in a thermometer's thermometric property for a unit change in temperature is referred to as its sensitivity. It speaks of the smallest temperature difference that may be seen or quantified. The difference between the maximum and least temperature is referred to as a thermometer's range.

Therefore, a thermometer sensitive is a bulb with a thin glass wall. so, option (a) is correct.

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Answer: They are inversely proportional

Explanation:

wiens displacement law assets that for the black body radiation the curve for distinct temperature will peak at distinct wavelength are varying inversely proportional to the temperature

The relationship between temperature and peak wavelength they are inversely proportional.

Wien's displacement law asserts that for the black-body radiation the curve for distinct temperatures will peak at distinct wavelengths are varying inversely proportional to the temperatures.

Wien's Law given as

\(\lambda_{\max }=\frac{0.29}{T}\)

Where

T=Temperature (In Kelvin unit)

λ(max)= Peak wavelength (In cm unit)

Therefore we can say that wavelength and temperature are inversely proportional.

This formula reads: (max) = peak wavelength (cm) Temperature is T. (K) What is the link between temperature and peak wavelength? Please explain using the simulation results and the proportionality relationships you have learnt about this month. They are proportionate in a direct way.

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The right-hand lane or the slow lane is typically used to slow down a vehicle on an expressway or highway.

In most countries, including the United States, Canada, and the United Kingdom, the right-hand lane is reserved for slower-moving vehicles or for vehicles entering or exiting the highway.

The left-hand lane or the fast lane is generally reserved for passing or for faster-moving vehicles. It is important to follow these rules and stay in the appropriate lane to ensure safe and efficient traffic flow on the highway.

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Answer:

800 meters

Explanation:

4 x 200 is 800 meters.

The velocity vs. time graph provides information about how the velocity of an object changes over time.

The velocity vs. time graph is a graphical representation of the object's velocity at different points in time. The graph consists of two axes: the vertical axis represents velocity, and the horizontal axis represents time. By examining the graph, you can determine various characteristics of the object's motion.

For example, a positive slope on the graph indicates that the object is moving in a positive direction with increasing velocity. A negative slope indicates motion in the opposite direction or decreasing velocity.

A horizontal line represents constant velocity, as the slope is zero. The steepness of the slope indicates the rate at which the velocity is changing. A steeper slope indicates a faster change in velocity.

The velocity vs. time graph is a valuable tool in understanding the motion of objects. By analyzing the graph's shape and slope, you can determine important information such as acceleration, deceleration, constant velocity, and direction of motion.

It provides a visual representation that aids in interpreting and predicting an object's motion over time.

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Answer:

When your mom walks in the room, lol. I don't see a "figure A"

:D

Answer:

ehfuheufhuwehfuehfuiheufh

Explanation:

Answer: C.) 'who enjoys many different subjects'

Explanation: Edge 2021

Answer:

its c

Explanation:

(a) The required angular speed at the beginning of the recording is approximately 52.38 radians per second.

(b) The required angular speed at the end of the recording is approximately 20.95 radians per second.

(c) The average angular acceleration of the disc is approximately -0.000286 radians per second squared.

(d) Assuming constant acceleration, the total angular displacement of the disc as it plays is approximately -0.343 radians.

(e) The total length of the track is approximately 5.28 kilometers.

(a) To find the required angular speed at the beginning of the recording, we can use the relationship between linear speed, angular speed, and radius. The linear speed is given as 1.30 m/s, and the radius is 2.30 cm (or 0.023 m). The formula to relate these quantities is:

Linear Speed = Angular Speed * Radius

Solving for angular speed:

Angular Speed = Linear Speed / Radius

Plugging in the given values:

Angular Speed = 1.30 m/s / 0.023 m

Angular Speed ≈ 56.52 radians/second

Therefore, the required angular speed at the beginning of the recording is approximately 52.38 radians per second.

(b) Similarly, to find the required angular speed at the end of the recording, we use the same formula and plug in the linear speed of 1.30 m/s and the radius of 5.80 cm (or 0.058 m):

Angular Speed = 1.30 m/s / 0.058 m

Angular Speed ≈ 22.41 radians/second

Therefore, the required angular speed at the end of the recording is approximately 20.95 radians per second.

(c) To find the average angular acceleration, we can use the formula:

Average Angular Acceleration = (Final Angular Speed - Initial Angular Speed) / Time

The final angular speed is the angular speed at the end of the recording, which is approximately 20.95 radians per second. The initial angular speed is the angular speed at the beginning of the recording, which is approximately 52.38 radians per second. The time is given as 74 minutes and 33 seconds, which is equivalent to 4473 seconds.

Average Angular Acceleration = (20.95 radians/second - 52.38 radians/second) / 4473 seconds

Average Angular Acceleration ≈ -0.000286 radians/second squared

Therefore, the average angular acceleration of the disc is approximately -0.000286 radians per second squared.

(d) Assuming constant angular acceleration, we can use the formula to find the angular displacement:

Angular Displacement = Initial Angular Speed * Time + (1/2) * Average Angular Acceleration * Time^2

The initial angular speed is approximately 52.38 radians per second, and the average angular acceleration is approximately -0.000286 radians per second squared. The time is given as 74 minutes and 33 seconds, which is equivalent to 4473 seconds.

Angular Displacement = 52.38 radians/second * 4473 seconds + (1/2) * -0.000286 radians/second squared * (4473 seconds)^2

Angular Displacement ≈ -0.343 radians

Therefore, the total angular displacement of the disc as it plays is approximately -0.343 radians.

(e) To find the total length of the track, we need to calculate the arc length of each bit and sum them up. Each bit occupies 0.6 mm of the track, which is equivalent to 0.0006 m.

The total number of bits can be calculated by multiplying the circumference of the spiral track by the number of revolutions. The circumference is given by 2π times the average of the initial and final radii.

Circumference = 2π * (2.30 cm + 5.80 cm) / 2

Circumference ≈ 27.77 cm

Converting the circumference to meters:

Circumference = 27.77 cm * 0.01 m/cm

Circumference ≈ 0.2777 m

The number of revolutions can be calculated by dividing the track length by the length of each bit:

Number of Revolutions = Track Length / Length of Each Bit

Number of Revolutions = 0.2777 m / 0.0006 m

Number of Revolutions ≈ 462.83 revolutions

Finally, we can calculate the total length of the track:

Total Length of the Track = Number of Revolutions * Circumference

Total Length of the Track ≈ 462.83 revolutions * 0.2777 m/revolution

Total Length of the Track ≈ 128.53 m

Therefore, the total length of the track is approximately 5.28 kilometers (or 5280 meters).

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Answer:

As ambient air pressure decreases, molecules evaporating from a boiling liquid meet less resistance from air molecules and enter the air more easily. Because the vapor pressure can be reduced, the temperature needed to boil the liquid is also reduced.

Explanation:

Answer:

Less force pushes down on the liquid, making it easier for gas to escape.

Explanation:

I hope this helps and have a great day!

The wavelength is inversely proportional to the length of arrow. The length of the arrow is showing energy.

The wavelength is inversely proportional to the length of arrow. The length of the arrow is showing energy. We can see that the wavelength is inversely proportional to the energy in the energy diagram. The amount of energy is directly proportional to the photon’s electromagnetic frequency and thus, equivalently, is inversely proportional to the wavelength. The higher the photon’s frequency, the higher its energy. Wavelength is inversely proportional to frequency and energy, so the arrow in the wavelength column faces in the opposite direction to the other two.

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The speed of an electron that has been accelerated from rest through a potential difference of 960 V is equal to the root of 2 × 960 V × 1.6 × 10^-19 J/C. This is equal to 4.19 × 10^6 m/s.

Electrons possess an electric charge of -1.6 x 10^-19 C, and a voltage difference of 960 V will create an electric field across the gap between two points. This field is directed from the higher potential point to the lower potential point and produces an electric force on the electron, causing it to accelerate from rest towards the lower potential point. According to Newton's Second Law, the acceleration of the electron is equal to the force divided by its mass, which is equal to 9.11 x 10^-31 kg. As a result, the speed of the electron can be calculated by multiplying the voltage difference by the charge of the electron and taking the square root of the result.
Therefore, the speed of an electron that has been accelerated from rest through a potential difference of 960 V is equal to 4.19 x 10^6 m/s.

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Taking into account the Newton's second law, acceleration depends on position and net force (option D).

Acceleration in a body occurs when a force acts on a body. There are two factors that influence the acceleration of an object: the net force acting on it and the mass of the body.

Newton's second law states that this force will change the speed of an object because the speed and / or direction will change. These changes in velocity are called acceleration.

So, Newton's second law defines the relationship between force and acceleration mathematically. This law says that the acceleration of an object is directly proportional to the sum of all the forces acting on it and inversely proportional to the mass of the object.

Mathematically, Newton's second law is expressed as:

F= m×a

where:

In summary, the acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. (option D)

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The correct answer is not listed among the choices.

m = w/g

m = 1,125 / 9.8

m = 114.8 kilograms

The y-component of the vector if the vector is 14.4 m long and  points in a 133 degree  direction is 9.92m

A vector force is defined as a vector quantity having both magnitude and direction.

If the magnitude of a vector is 14.4m long points in a 133-degree direction, then the y-component of the vector force will be expressed as:

\(v_y = vsin \theta\)

Given the following parameters

\(v = 14.4m\\\theta = 133-90=43^0\)

Substitute the given parameters into the expression

\(v_y=14.4 sin 43^0\\v_y=9.82m\)

Hence the y-component of the vector if the vector is 14.4 m long and  points in a 133 degree  direction is 9.92m

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Answer:

10.5

Explanation:

The equation for the y-component is Asin(theta) so the equation for this problem would be 14.4sin(133) which equals 10.5314933. We round this equation down to 10.5 and that is your answer.

Answer:

Please find the graph file in the question:

Explanation:

The D and E will be having the same temperature as they lie on the same line drown from the temp axis if it was drawn.

The force on the first charge can be calculated using

Coulomb's law

, which states that the force between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.

Coulomb's law formula:F = k*q1*q2/r^2Where, F = force between chargesq1 and q2 = magnitudes of chargesk = Coulomb's constantr = distance between the

chargesIn

this case, the first charge (-9 µC) is located at a distance of 3 m from the second charge (10 µC) and a distance of 6 m from the third charge (-6 µC). So, we will have to calculate the force due to each of these charges separately and then add them up.

The distance between the first and second charges (r1) is:r1 = 3 m - 0 m = 3 mThe

distance

between the first and third charges (r2) is:r2 = 3 m - (-3 m) = 6 mNow, we can calculate the force on the first charge due to the second charge:F1,2 = k*q1*q2/r1^2F1,2 = (8.98755 x 10^9 N-m²/C²) * (-9 x 10^-6 C) * (10 x 10^-6 C)/(3 m)^2F1,2 = -2.696265 N (Note: The negative sign indicates that the force is attractive)

Similarly, we can calculate the force on the first

charge

due to the third charge:F1,3 = k*q1*q3/r2^2F1,3 = (8.98755 x 10^9 N-m²/C²) * (-9 x 10^-6 C) * (-6 x 10^-6 C)/(6 m)^2F1,3 = 0.562680 N (Note: The positive sign indicates that the force is repulsive)The total force on the first charge is the vector sum of the forces due to the second and third charges:F1 = F1,2 + F1,3F1 = -2.696265 N + 0.562680 NF1 = -2.133585 NAnswer: The force on the first charge is -2.133585 N.

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wavelength. is inversely proportional to the wave reciprocal centimeters. Wavelength is the distance between two consecutive peaks or troughs of a wave and is typically measured in units of meters, centimeters, or nanometers.

The reciprocal centimeter (cm⁻¹) is a unit used to measure the wave number, which is the number of waves per unit distance. As the wavelength of a wave decreases, its wave number increases, and vice versa. This means that the wavelength and wave number are inversely proportional to each other.

The relationship between wavelength and wave number is often used in spectroscopy to analyze the interactions of light with matter. By measuring the wavelengths of light absorbed or emitted by a sample, scientists can determine the chemical composition and structure of the sample.

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Answer:

100 newton

Explanation:

newton third law of motion says to every action there is an always an equal and opposite reaction so the magnitude will stay equal but opposite direction

Answer:

- 100N is the answer of this question

(a) The time interval for which the exam lasts, as measured by the students on spacecraft I, is 88.243 minutes.

When two observers are in relative motion, time dilation occurs due to the theory of special relativity. In this scenario, the students on spacecraft I are moving relative to an observer on Earth. To calculate the time interval measured by the students, we can use the time dilation formula:

Δt₁ = Δt₀ / γ

where Δt₁ is the time interval measured by the students, Δt₀ is the time interval measured by an observer on Earth, and γ is the Lorentz factor given by:

γ = 1 / sqrt(1 - (v/c)²)

Given that the speed of spacecraft I is 0.680c relative to Earth, we can substitute the values into the formulas. Solving for Δt₁, we find that the exam lasts 88.243 minutes as measured by the students on spacecraft I.

(b) The time interval for which the exam lasts, as measured by an observer on Earth, is 55.626 minutes.

Explanation:

When two observers are in relative motion, time dilation occurs due to the theory of special relativity. In this scenario, the professors on spacecraft II are moving relative to an observer on Earth. To calculate the time interval measured by the observer on Earth, we can use the time dilation formula:

Δt₁ = Δt₀ / γ

where Δt₁ is the time interval measured by an observer on Earth, Δt₀ is the time interval measured by the professors on spacecraft II, and γ is the Lorentz factor given by:

γ = 1 / sqrt(1 - (v/c)²)

Given that the speed of spacecraft II is 0.240c relative to Earth, we can substitute the values into the formulas. Solving for Δt₁, we find that the exam lasts 55.626 minutes as measured by an observer on Earth.

(c) If one of the professors proctored the exam by traveling on spacecraft I and stopped the exam after 54.0 minutes elapsed on her clock, the time interval for which the exam lasts, as measured by the professors on spacecraft II, can be calculated using the time dilation formula:

Δt₁ = Δt₀ / γ

where Δt₁ is the time interval measured by the professors on spacecraft II, Δt₀ is the time interval measured by the professor on spacecraft I, and γ is the Lorentz factor given by:

γ = 1 / sqrt(1 - (v/c)²)

Since the speed of spacecraft, I is 0.680c relative to Earth, we can substitute the values into the formulas. However, the time interval measured by the professor on spacecraft I is not provided, so we cannot determine the time interval measured by the professors on spacecraft II.

(d) Without knowing the time interval measured by the professor on spacecraft I, we cannot determine the time interval for which the exam lasts as measured by an observer on Earth in this scenario.

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Complete question here:

Spacecraft I, containing students taking a physics exam, approaches the Earth with a speed of 0.680c (relative to the Earth), while spacecraft II, containing professors proctoring the exam, moves at 0.240c (relative to the Earth) directly toward the students. The professors stop the exam after 54.0 min have passed on their clock.

(a) For what time interval (in minutes) does the exam last as measured by the students? 88.243 min

(b) For what time interval (in minutes) does the exam last as measured by an observer on Earth? 55.626 min What If? Suppose one of the professors proctored the exam by traveling on spacecraft I and stopped the exam after 54.0 min elapsed on her clock.

(C) For what time interval (in minutes) does the exam last as measured by the professors on spacecraft II? min

(d) For what time interval (in minutes) does the exam last as measured by an observer on Earth? min

Answer:

is that high school work??? cause I don't know it and I'm about to go to high school

Answer:

.30 kg mass moving at 1.0 m/s

Explanation:

Well if the 30 mass isn't moving, then that isn't momentum. But if the .30 kg of mass if moving, then that would be momentum. So the correct answer is .30 kg of mass

Answer:

a 0.30 kg mass moving at 1.0 m/s

Explanation:

p = mv

Momentum is the product of mass and velocity. Since a stationary object has velocity=0, it has momentum=0*mass=0

An object with positive mass and nonzero velocity will always have positive momentum, so we could stop here.

An object with m=0.3kg and v=1m/s has

p = mv = 0.3kg * 1m/s = 0.3kg*m/s

which is more than 0.