In order to observe the interference of light the dimensions of the slits must be?

Answer:

3.485e+6 inches. hope this helps

Answer:

What I got was a big number but it got around 3.485e+6

Explanation:

It depends on the size and weight of the box, as well as the size of the truck.

Generally speaking, it may take more work to pick up a box straight up into the back of a truck, as it requires more physical strength and effort. However, pushing a box up a ramp into the back of the truck could require more energy, as the person pushing the box must contend with the ramp's incline.

When it comes to the amount of work needed to move a box into the back of a truck, it largely depends on the size and weight of the box, as well as the size of the truck. Picking up a box straight up into the back of a truck requires a great deal of physical strength and effort, as the person must be able to lift the box up to the desired height in order to get it into the truck.

On the other hand, pushing a box up a ramp into the back of the truck could require more energy, as the person pushing the box must contend with the ramp's incline. Additionally, if the box is particularly heavy, pushing it up a ramp could require more effort than simply lifting it up and into the truck. Therefore, it is difficult to definitively say which requires more work, as it depends on the specifics of the situation.

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Answer:

the constant force applied by Kitty is 8 N.

Explanation:

Given;

work done by Kitty, W = 32 J

distance moved by Kitty's trolley, d = 4 m

Let the constant force applied by Kitty = F

The work done by Kitty is calculated as follows;

W = F x d

F = W / d

F = 32 / 4

F = 8 N.

Therefore, the constant force applied by Kitty is 8 N.

Answer:

the radius of the planet is 10.10

The wavelength of a fast-pitched baseball is much larger than the wavelength of an electron traveling at 1/10 the speed of light.

The wavelength of a fast-pitched baseball is measured in the range of meters, whereas the wavelength of an electron traveling at 1/10 the speed of light is in the range of nanometers. This is due to the very big difference in their speeds, as the speed of light is much greater than the speed of a pitched baseball.

The significance of this comparison is that it gives us the idea of how the difference in scale between macroscopic objects and subatomic particles. The wavelength of a pitched baseball is in the macroscopic range and can be observed with the normal eye, while the wavelength of an electron is in the subatomic range and can only be observed with advanced instrumentation, such as a transmission electron microscope.

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Answer:

The movement of a 2000-kg truck travelling at 19 m/s is 38,000 kgm/s.

Answer:

The convex lens is shaped so that all light rays that enter it parallel to its axis cross one another at a single point on the opposite side of the lens.

Explanation:

Answer:

14.868

Density equals mass divided by volume

The acceleration from gravity on that planet is 2.36 m/s².

A simple pendulum's oscillation period (T) depends on its length (L) and the acceleration due to gravity (g) on the planet where it is placed.

The formula to calculate the period is T = 2π√(L/g).

Given that the pendulum completes 50 oscillations in 30 seconds, the period T for one oscillation is 30/50 = 0.6 seconds.

Using the Earth's gravity (g = 9.81 m/s²), we can find the pendulum's length (L) using the formula:

0.6 = 2π√(L/9.81)
L = 0.9 meters

Now, let's consider the same pendulum on a different planet, where it completes 50 oscillations in 75 seconds.

The new period T is 75/50 = 1.5 seconds.

To find the acceleration due to gravity on this planet (g'), we can use the same formula with the new period and the previously calculated length:

1.5 = 2π√(0.9/g')
g' = 2.36 m/s²

So, the acceleration due to gravity on the different planets is approximately 2.36 m/s².

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The temperature of the electronic circuit increases at a rate of 3.84 × 10^11 K/s if no heat moves out of the electronic circuit.

When designing an electronic circuit that is made up of 170 mg of silicon, the electric current adds energy at a rate of 8 MW. Silicon's specific heat is 705 J/kg K.

The question demands to know the rate of temperature increase if no heat can move out of the electronic circuit formula used to calculate the temperature rise of silicon isΔT= (Q / m) × (1/Cp)where

ΔT = change in temperature,

Q = heat input,

m = mass, and

Cp = specific heat capacity of silicon

Given values are mass (m) = 170 mg,

Q = 8 MW, and

Cp = 705 J/kg K.

Converting 170 mg to kg:170 mg

= 170 × 10^-6 kg = 1.7 × 10^-4 kg

Therefore,Q = 8 MW = 8 × 10^6 J/s

The formula becomesΔT = (8 × 10^6 / 1.7 × 10^-4) × (1/705)

ΔT = 3.84 × 10^11 K/s

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When the upper half of a converging lens is covered by an opaque screen, only the lower half of the image will be visible on the screen.

This is because a converging lens refracts light rays that pass through it, causing them to converge at a focal point.

When the upper half of the lens is covered, only the lower half of the light rays can pass through the lens and converge at the focal point. As a result, only the lower half of the image will be visible on the screen.

The intensity of the image will not be affected by covering the upper half of the lens. The intensity of the image is determined by the amount of light that reaches the screen, which is not affected by covering part of the lens.

However, the overall brightness of the image may be affected if the amount of light entering the lens is reduced by the opaque screen.

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The momentum flow rate through the pipe carrying liquid ammonia is 1 × \(10^6\) kg·m/s.

The flow rate of momentum (Ṁ) through the pipe can be calculated by multiplying the mass flow rate (ṁ) by the velocity (v). The speed can be determined using the equation v = ṁ / (ρA), where ρ is the density of the liquid ammonia and A is the pipe's cross-sectional area.

Given:

ṁ = 100 kg/s

A = 0.01 m²

Assuming the density (ρ) of liquid ammonia is 700 kg/m³, we can calculate the velocity (v):

v = ṁ / (ρA)

v = 100 kg/s / (700 kg/m³ × 0.01 m²)

v = 10000 m/s

Now, we can calculate the flow rate of momentum (Ṁ):

Ṁ = ṁv

Ṁ = 100 kg/s × 10000 m/s

Ṁ = 1 × \(10^6\) kg·m/s

Therefore, the momentum flow rate through the pipe is 1 × \(10^6\) kg·m/s.

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Answer:

The substance of the physical world; anything that occupies space or has substance. An organized way of scientists to gather and pursue scientific knowledge. Consists of three main components: Hypothesis, Observation, and Experimentation. One of the main components of the Scientific method.

Explanation:

Answer:

nuclear battery to generate energy

The components of force F acting along and perpendicular to segment DE of the pipe assembly can be determined using trigonometry. The magnitude of the component along segment DE is 600 N, and the magnitude of the component perpendicular to segment DE is 0 N.

To determine the components of force F, we need to consider the angle between the force vector and the segment DE. Let's assume that the force makes an angle of θ with segment DE.

The component of force F along segment DE can be calculated using the formula:

F_parallel = F * cos(θ)

Since the magnitude of force F is given as 600 N, the magnitude of the component along segment DE is also 600 N.

The component of force F perpendicular to segment DE can be calculated using the formula:

F_perpendicular = F * sin(θ)

Since the angle θ is not specified in the question, we cannot determine the value of the component perpendicular to segment DE. However, we know that sin(90°) = 1, so if the force is perpendicular to segment DE, the magnitude of the perpendicular component would be 600 N.

Therefore, the magnitude of the component along segment DE is 600 N, and the magnitude of the component perpendicular to segment DE is 0 N.

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<The question is incomplete, so this is general answer>

The magnitudes of the components of force can be calculated using the formulas F cos θ for the force acting along the segment and F sin θ for the force acting perpendicular to the segment, given the original force and the appropriate angle.

To determine the vector components of a force, we use the concept of vectors, which are quantities with both magnitude and direction. Given that the force, f = 600N, is acting along and perpendicular to segment DE of the pipe assembly, we can presume that segment DE is the direction.

Assuming an arbitrary angle, the component of the force acting along segment DE, F_dep, is represented as F cos θ. Therefore, if the angle is known, this component can be calculated. On the other hand, the force acting perpendicular to the DE, represented as F_perp, is given by the formula F sin θ.

Given the appropriate angle and the original force value, these equations provide the magnitudes of the components of force.

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The length of a day increases slightly when there is a global heating trend on Earth due to the expansion of the atmosphere.

When the Earth experiences a global heating trend, the increase in temperature leads to the expansion of the atmosphere. This expansion occurs because warmer air molecules have higher kinetic energy, causing them to move more vigorously and take up more space. As a result, the atmosphere expands outward, increasing its volume.

The expansion of the atmosphere affects the length of a day through a phenomenon known as angular momentum conservation. Angular momentum refers to the rotational motion of the Earth. The conservation of angular momentum states that the total angular momentum of a system remains constant unless acted upon by external torques.

The Earth's rotation is influenced by various factors, such as the distribution of mass across the planet and the gravitational pull of the Moon and Sun. When the atmosphere expands due to global heating, its increased volume causes a redistribution of mass towards the outer regions of the atmosphere. This redistribution affects the Earth's moment of inertia, which is a measure of how mass is distributed in an object and influences its rotation.

According to the conservation of angular momentum, if the moment of inertia of the Earth changes, the rotational speed must also change to maintain the total angular momentum of the system. Therefore, as the atmosphere expands and redistributes mass, the Earth's rotation slows down slightly, leading to a lengthening of the day.

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As the distance between the plates increases, the electric field decreases, which leads to a decrease in the capacitance. In other words, increasing the distance between the plates makes it harder for the capacitor to store electrical energy.

Capacitance is the ability of a capacitor (two metal plates separated by a non-conducting material) to store electrical energy. If the distance between the two plates of a capacitor is increased, the capacitance will decrease.

Capacitance and electric current are related in that capacitance can store and release electrical energy, which can result in an electric current flowing through a circuit.

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The value of the resistance r is 20.25 ohms.

The value of the resistance r is calculated by applying Ohm's law as shown below.

Ohm's law states that the current flowing in a circuit is directly proportional to the voltage across the circuit.

V = IR

where;

P = IV

I = P / V

I = ( 32 W ) / ( 24 V + 12 V )

I = 0.889 A

R = V/I

R = ( 24 + 12 ) / ( 0.889 A )

R = 40.5 ohms

The value of each resistance, r is calculated as;

r = 40.5 ohms / 2

r = 20.25 ohms.

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Answer:

I well say to make sure that the work is accurate

Explanation:

I hope this is right

Mechanical ptosis of the left and right eyelids is reported with code(s) H02.413.

Ptosis, also called Blepharoptosis is characterized by the drooping of eyelids due to any abnormality associated with the structures that keep the eyelids elevated.

Ptosis is classified into congenital, aponeurotic, neurogenic, and mechanical ptosis. The illness results in drooping of the upper eyelid due to weight or mass.

It is also caused by many syndromes such as Horner's syndrome and Myasthenia Gravis.

The ICD-10 code is H02.413 which comes under the eye and adnexa category under the WHO. Thus, option A is correct.

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Answer:

pitch relates to sound because it involves sound getting louder or softer. it does not affect speed.

From the given options let's select the example which shows a conceptual model.

A conceptual model can be said to be a model which shows an abstract representation of any concept which can be visualized or imagined than other models.

It is a model which the designers want users to understand.

From the list, the best option which is an example of a conceptual model is a mental image of gas molecules as tiny balls.

Let's say, for example, you imagine or have a mental picture of gas molecules using your imagination, it helps to understand how a vacuum system works and you can easily solve the problem if something goes wrong.

Therefore, the example of a conceptual model is:

A mental image of gas molecules as tiny balls.

• ANSWER:

A. mental image of gas molecules as tiny balls

Rachel Carson's "Silent Spring" is more of a scientific work, with an emphasis on the negative effects of pesticides. It is written in a very straightforward, logical manner that presents the facts in a clear and concise manner.

One main difference between Rachel Carson's "Silent Spring" and Winona LaDuke's "A Case for Waawaatesi" is that "Silent Spring" was written to warn the public about the dangers of pesticides, while "A Case for Waawaatesi" was written to raise awareness about the impact of mining on Native American land. According to the given question, it is clear that we have to find out the main difference between Rachel Carson's "Silent Spring" and Winona LaDuke's "A Case for Waawaatesi. "Rachel Carson's "Silent Spring" Rachel Carson's "Silent Spring" was published in 1962.

Rachel Carson used the metaphor of a "silent spring" to describe the devastation wrought by DDT and other pesticides, which she argued threatened to destroy natural habitats and cause cancer and other health problems in humans. Carson's book, which is widely regarded as a classic of environmental literature, played a key role in launching the modern environmental movement. Wiona LaDuke's "A Case for Waawaatesi" Wiona LaDuke's "A Case for Waawaatesi" is a powerful indictment of the mining industry's impact on Native American communities. LaDuke argues that mining companies have destroyed native lands and resources, polluted the environment, and threatened the health and well-being of indigenous peoples.

One main difference between Rachel Carson's "Silent Spring" and Winona LaDuke's "A Case for Waawaatesi" is that "Silent Spring" was written to warn the public about the dangers of pesticides, while "A Case for Waawaatesi" was written to raise awareness about the impact of mining on Native American land.

Therefore, some more differences between these two books are as follows: Rachel Carson's "Silent Spring" is more of a scientific work, with an emphasis on the negative effects of pesticides. It is written in a very straightforward, logical manner that presents the facts in a clear and concise manner. In contrast, Winona LaDuke's "A Case for Waawaatesi" is more of a political work, with an emphasis on activism and raising awareness about the impact of mining on Native American communities. La Duke uses vivid language and storytelling techniques to make her argument, and her work is infused with a sense of urgency and a call to action. Overall, the main difference between these two books is their focus: Rachel Carson's "Silent Spring" is focused on the dangers of pesticides, while Winona LaDuke's "A Case for Waawaatesi" is focused on the impact of mining on Native American communities.

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Yes the motion is accelerated.

We have a artificial satellite that moves at a steady 25,000 km/hr in a circular orbit around earth.

We have to determine whether or not it is accelerated.

An artificial Satellite is a man - made artificial body placed in orbit round the earth or moon or another planet in order to collect information or for communication.

According to the question -

v = 25000 km/hr

Now for the motion to be accelerated the velocity must change with respect to time. But, the velocity here is constant. It should be kept in mind that the velocity is a vector quantity, its magnitude is constant but its direction keeps on changing in circular motion, and hence, its acceleration also changes.

Hence, yes the motion is accelerated.

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Important thing is that all unitless quantity is dimensionless quantity. .A dimensionless physical quantity may have an unit

When a cyclone's strongest winds do not exceed 37 miles per hour, it is called a tropical depression.

Cyclones are powerful weather systems characterized by rotating winds and low-pressure centers. They are classified into different categories based on their wind speeds and intensity. In the context of the provided information, when a cyclone's strongest winds do not exceed 37 miles per hour, it is referred to as a tropical depression.

A tropical depression is the weakest form of a tropical cyclone. It represents the initial stage of cyclone development, where a disturbance in the atmosphere begins to organize and shows some cyclonic characteristics. The wind speeds associated with a tropical depression are relatively low, typically ranging from 20 to 37 miles per hour.

As a tropical depression intensifies and its wind speeds increase beyond 37 miles per hour, it can progress into a tropical storm and eventually a hurricane or typhoon, depending on the region. However, when the wind speeds remain below the threshold of 37 miles per hour, the system is classified as a tropical depression.

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Answer:

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

\(a = \frac{f}{m} \\ \)

where

f is the force

m is the mass

From the question we have

\(a = \frac{750}{349} \\ = 2.14899713...\)

We have the final answer as

Hope this helps you

At a location 40 degrees from the axis (either 40 degrees north or south), the distance from the axis would be approximately 6,250 kilometers.

The distance from the Earth's axis to a location on Earth is known as the radius of the Earth. At any point on the Earth's surface, the radius will be the same. However, the Earth's axis itself does not move, but rather the Earth rotates around its axis. The axis runs through the North and South Poles, and this rotation takes approximately 24 hours to complete, resulting in day and night cycles. At a location 40 degrees from the axis (either 40 degrees north or south), the distance from the axis would be approximately 6,250 kilometers.

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After considering all the given options we come to the conclusion that the required answer to the given question is Option D.

Convection is generally known as the property that aids the transfer of thermal energy through the movement of particles from one specified area to another. It typically seen to take place  in fluids .
When we talk about convection, particles that have a lot of heat energy inside a liquid or gas dominate over the particles that have less heat energy by taking their dedicated space. Then , convection can occur in air and water.
some famous examples of convection are:
Boiling water
Land and sea breeze
Air conditioner
Radiator
Refrigerator
Hot air popper
Hot air balloon
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Answer:

hmm let's see

Explanation:

ok, ill use the second equation of motion, u see its quite simple

recall that

average velocity= u+v/2

now think of that v like a box you can can call it velocity lol obviously its velocity

now remember the first equation of motion which is

v=u+at now this is inside the box, now you have to replace the v with it

then it becomes u+u+at/2

now u notice there are two initial velocity u know what to do with that

now it becomes

2u + at/2 now since the numerator applies to both then you can simplify it like this

2u/2+at/2

all the same the pont im trying to make is that you can use imaginative ways to mater derivation you can also reverse it if you don't unferstand you can drop your number