36. The achievement of lifting a rocket off the ground and into space can be explained by
Newton's first law, ,
b. Newton's second law,
c.Newton's third law,
d.the law of conservation of momentum,

The frequency of electromagnetic radiation at which very pure silicon, at 300 K, should become transparent according to the Drude theory is 1.1 × 10¹⁶ Hz.

Drude theory is a physical model that describes the behavior of electrons in a solid. This model was proposed by Paul Drude in 1900. Drude theory assumes that electrons in a solid are free to move within the solid and interact with the lattice structure of the solid. Drude theory was the first model to successfully explain the electrical and thermal conductivity of solids.

The frequency of electromagnetic radiation at which very pure silicon, at 300 K, should become transparent according to the Drude theory is given by the expression below:

ωp² = \(\frac{n e^{2}} {e^ {0} m^*}\)

Here,ωp is the plasma frequency n is the number density of electrons e is the electron charge e⁰ is the permittivity of free space m* is the effective mass of the electron.

Substituting the given values, we get:

ωp2 = \(\frac{1.5*10^{22} * 1.6*10^{-19}*2}{8.85* 10^{-12}*9.1*10^{-31}}\)

ωp2 = 3.29 × 10²⁷ s⁻²

Therefore,ωp = 1.81 × 10¹³ s⁻¹. The critical frequency at which silicon becomes transparent is given by:

ν0 = ωp ÷ (2π)ν⁰ = 1.1 × 10¹⁶ Hz

Therefore, the frequency of electromagnetic radiation at which very pure silicon, at 300 K, should become transparent according to the Drude theory is 1.1 × 10¹⁶ Hz.

Know more about electromagnetic radiation here:

https://brainly.com/question/10759891

#SPJ11

Answer: 0

Explanation:

Given

Shaneil hold the 20 N box for 40 s

Since there is no movement of the box, so velocity associated with it is zero and the workdone by the shaniel is also zero.

Power is the rate of doing work. Therefore, it is also zero.

The potential energy is highest on a marble roller coaster at the highest point of the track.

The potential energy of an object is directly related to its height and its position relative to the reference point. In the case of a marble roller coaster, as the marble climbs up the track, it gains potential energy due to its increased height.

At the highest point of the roller coaster track, the marble reaches its maximum elevation, and thus, its potential energy is at its highest point.

As the marble moves downhill from the highest point, its potential energy decreases and is converted into kinetic energy, which is the energy of motion.

At the bottom of the track, where the marble reaches its lowest point, the potential energy is at its minimum because the height is at its lowest and the marble has converted most of its potential energy into kinetic energy.

The potential energy is highest on a marble roller coaster at the highest point of the track. This is where the marble reaches its maximum elevation and has the greatest amount of potential energy due to its height. As the marble moves downhill, its potential energy decreases and is converted into kinetic energy.

Learn more about the potential energy visit:

https://brainly.com/question/21175118

#SPJ11

When comparing a CANDU nuclear reactor with a coal-fired electrical generating system, the characteristics that are common to both are i, iv, and v. Both a CANDU nuclear reactor and a coal-fired electrical generating system share the use of non-renewable fuel, conversion of chemical potential energy, and the absence of direct gravitational potential energy conversion.

i. Both systems utilize non-renewable fuel. The CANDU reactor uses uranium as fuel, which is a finite resource, while coal-fired systems rely on the combustion of coal, which is also a non-renewable fossil fuel.

iv. Both systems convert chemical potential energy into electrical energy. In the CANDU reactor, nuclear fission of uranium atoms releases energy that is converted into electricity, whereas in a coal-fired system, the combustion of coal produces heat that is converted into electrical energy.

v. Both systems do not directly convert gravitational potential energy. The CANDU reactor and coal-fired systems do not rely on the gravitational potential energy of water or any other substance as a primary source of energy conversion.

Therefore, the correct answer is option c. i, iv, and v only. Both systems share the use of non-renewable fuel, conversion of chemical potential energy, and absence of direct gravitational potential energy conversion.

To know more about nuclear reactor,

https://brainly.com/question/25240385

#SPJ11

Answer:

Radiofrequency (RF) energy is a type of electromagnetic radiation. It is used to transmit signals carrying information in the form of radio waves. Radio waves are broadcast using a transmitter. When the radio waves reach a receiver, the signal is converted back into the information that was originally sent by the transmitter. When you talk on a cell phone, your cell phone acts as a transmitter and your voice is carried on radio waves to the person you are calling. Their phone acts as the receiver and converts the signal back into your voice. In addition to cell phones, other wireless devices such as radios, Wi-Fi routers, satellites, radars and pacemakers can send or receive RF energy waves.

A limit on acceleration states that under certain conditions A restriction on acceleration states that, under certain conditions, an item's acceleration must be the same as the acceleration of another object.

In physics, acceleration is the rate at which an object's velocity with respect to time changes.

Simply put, this means that acceleration is calculated by subtracting the beginning velocity from the end velocity throughout the course of time.

So, we can determine an object's acceleration if we subtract the beginning velocity from the end velocity and divide the result by the time.

The equation provides the acceleration in mathematics;

a = Δv/Δt

Where,

a represents acceleration in m/s2.

v and u stand for final and beginning velocities, respectively, while t stands for time in seconds.

A precise link between the accelerations of two physical objects is referred to as an acceleration constraint.

A limitation on acceleration states that two objects must occasionally accelerate.

To know more about acceleration on

https://brainly.com/question/22279663

#SPJ4

The complete question

An acceleration constraint says that in some circumstances An acceleration constraint says that in some circumstances the acceleration of an object has to be positive. two objects have to accelerate in the same direction. two objects must have accelerations of equal magnitude. an object is prevented from accelerating.

The true order of events in the solar system is a vast cloud of gas and dust > followed by the solar nebula contracting > solid particles condensing > planetesimals accreting > and finally the solar nebula clearing.

The contraction starts when the cloud of gas and dust begins collapsing under its own gravity and compresses in the center. This cloud of gas and dust is the "solar nebula," composed primarily of hydrogen and helium. Then, the gas from the solid particles condenses into microscopic dust grains, which bind together to create bigger particles, leading to the formation of planetesimals.

After a billion years of the nebula being cleared, larger planetesimals are created as a result of these larger particles growing and accumulating.The sun was created at the nebula's center when gravity caused the material to collapse in on itself as it started to revolve. The stuff that was still there started to collect as the sun rose.

To learn more about the nebula , visit

https://brainly.com/question/23252620

#SPJ4

Answer: It would be; A/B

car's maximum cornering speed on a rainy day when the coefficient of static friction has been reduced by 50% is 27.58 m/s

Car's maximum speed at dry Sunny day,

Vs = √μrg = 39 m/s

Speed at rainy day, μ becomes 0.5μ

Vr = √(0.5*μ*r*g) =√(0.5) * (39) = 27.57716

Vr = 27.58 m/s

An object experiences static friction when a force is applied to it; as a result, the object resists the applied force and stays at rest until static friction is removed. In kinetic friction, the frictional force opposes an object's motion. An item is kept at rest by the force of static friction. The phrase "static friction" can be defined as "the friction people perceive when they attempt to move a stationary object on a surface, but without actually causing any relative motion in between  surface and the body it is on. A force acting in opposition to the direction of a moving body on the surface is felt.

Learn more about static friction here:

https://brainly.com/question/13000653

#SPJ4

Answer:

displacement

Explanation:

you didn't mention the time so i will assume it as 3s

\(area = 15 \times 3 \times \frac{1}{2} \\ = 22.5cm {2} \)

it represent the displacement of the object

The length of the rubber band that the boy must use is 0.024 m or 24 mm.

To determine the length of the rubber band, we can use the formula for the potential energy stored in a stretched spring, which is also applicable to a stretched rubber band:

where U is the potential energy stored in the rubber band, k is the spring constant (or in this case, the rubber band constant), and x is the displacement of the rubber band from its natural length.

Since the rubber band is stretched by 0.25 of its natural length, the displacement x is 0.25 times the natural length of the rubber band.

We can solve for the rubber band constant k by using the formula for the velocity of a projectile launched by a spring (or in this case, a rubber band):

where v is the velocity of the projectile, m is the mass of the rubber band, M is the mass of the projectile, and k is the spring constant. We can rearrange this equation to solve for k:

k = (v² M) / (2 m)

We can now combine the two equations to solve for the length of the rubber band, L:

U = 1/2 k x²

U = 1/2 ((v² M) / (2 m)) (0.25 L)²

U = (v² M L²) / (32 m)

The potential energy stored in the rubber band must be equal to the kinetic energy of the projectile when it is launched:

U = 1/2 M v²

(v² M L²) / (32 m) = 1/2 M v²

L = ((16 m v²) / (k M))

L = ((16 m v²) / ((v² M) / (2 m) M))

L = √(32 m^2 / M)

L = (0.032 M)

Substituting the given values, we get:

L = √(0.032 * 0.006)

L = 0.024 m

Learn more about Young modulus at: https://brainly.com/question/13257353

#SPJ1

When the current density in a wire is uniform, the amount of current through a cross section of the wire is same.

The formula:I = J * AWhere J is the current density and A is the cross-sectional area of the wire. The current density refers to the amount of current flowing through a unit area of the wire. If the current density is uniform, this means that the current flowing through each unit area of the wire is the same. The cross-sectional area of the wire refers to the area of the wire that is perpendicular to the direction of current flow, it is measured in square units, such as square meters or square millimeters.

By multiplying the current density by the cross-sectional area of the wire, we can find the total amount of current flowing through the wire. This formula is useful for calculating the current in various parts of the wire, as well as for determining the size of wire needed for a particular application. So therefore when the current density in a wire is uniform, the amount of current through a cross section of the wire is same.

Learn more about current density at:

https://brainly.com/question/15266434

#SPJ11

The speed of the second bowling ball after collision is 1.55 m/s

Speed can be defined as the ratio of distance to time of a body.

To calculate the speed of the second bowling ball after collision, we use the formula below

Formula:

v = mu/m'................ Equation 1

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the second bowling ball is 1.55 m/s fast.

Learn more about speed here: https://brainly.com/question/17146782

#SPJ1

The average power of the engine will be 42050 watt.

Power is the pace of production of work. The watt (W), which is equal to 1 joule per second (1J/s), is the SI unit for power. Power is a measure of how quickly energy is used up since power is the transmission of energy. An example would be a 60-W light bulb, which uses 60 J of energy every second. P = E/t, where P stands for power, E for energy, and t for time in seconds, is the formula. According to this equation, power is the amount of energy consumed in a given amount of time.

Given, mass = 1300 kg

initial velocity, u = 0

final velocity, v = 13 m/s

time, t = 13 s

by using E = 1/2 m [v² - u²]

E = 1/2 ×1300×[29² - 0²]

E = 546650 J

now, Power, P = E/t

P = 546650/13

P = 42050 watt

The average power of the engine will be 42050 watt.

To know more about power visit

brainly.com/question/26876089

#SPJ4

The correct solution is "Perform multiple Join recipes instead." It is not possible to join more than two datasets at a time with the Join recipe. Each Join recipe can only join two datasets at a time. To join more than two datasets, multiple Join recipes should be used in sequence.

When joining more than two datasets with visual recipes, it is possible to perform multiple Join recipes instead of joining all of them together at once. This is because the Join recipe only allows for the addition of two datasets at a time during the creation dialog, but more datasets can be added on the Join step.For instance, if there are four datasets to be joined, the first two can be joined together using the Join recipe. Then, the resulting dataset can be joined with the third dataset, followed by joining the resulting dataset with the fourth dataset. This way, all four datasets can be joined together.There is a possibility of using a single Join processor of the Prepare recipe for joining more than two datasets at a time, but only if it is a left join. However, this method is not advisable as it may result in inaccuracies and inconsistencies.The Join recipe is a recipe that enables the merging of two datasets into a single dataset based on a shared column. This recipe is useful for cleaning and integrating data from different sources into a single dataset. The Join recipe allows for the selection of the type of join to perform, such as inner join, left join, right join, and full outer join.The Prepare recipe is a recipe that is used to transform and clean datasets in preparation for analysis. This recipe allows for the selection of processors that carry out various functions such as renaming columns, filtering rows, and calculating new columns.

For mroe such questions on Datasets

https://brainly.com/question/4219149

#SPJ11

The bullet launched from 60 travels faster vertical velocity than the one shot from 30, therefore it flies higher for a longer period of time.

How does a projectile's vertical component of velocity impact its horizontal component?

Gravity causes a vertical acceleration with a value of 9.8 m/s/s downward, whereas a projectile's horizontal velocity is constant (a number that never changes). A projectile's vertical velocity varies by 9.8 m/s each second.

Is there ever zero vertical velocity?

When a projectile reaches its maximum height, the vertical component of velocity may be zero. Immediately before to the direction of the vertical component changing and the item changing course, a projectile's vertical component is at its highest point.

To know more about vertical velocity visit:

brainly.com/question/11679227

#SPJ4

Answer:

The doctors could see if her cells are getting the molecules they need from food and air

Explanation:

The doctors could see if her cells are getting the molecules they need from food and air. Doing so allows the doctors a general overview of how well her body's biological systems are performing since the basic necessities of the human system are food and oxygen. Therefore if the body is receiving both food and oxygen properly and distributing it properly and efficiently as well without any problems then the most likely outcome is that she is healthy enough to perform her tasks in the submarine under more pressure.

Answer:

The doctors could see if her cells are getting the molecules they need from food and air

Explanation:

To find Margy's final velocity at the end of the 100.0 m, we can use the equation of motion: v^2 = u^2 + 2as

where:

v = final velocity

u = initial velocity

a = acceleration

s = distance

Given:

u = 1.4 m/s (walking speed)

a = 0.20 m/s^2 (acceleration)

s = 100.0 m. Plugging in the values into the equation, we have: v^2 = (1.4 m/s)^2 + 2 * (0.20 m/s^2) * 100.0 m. v^2 = 1.96 m^2/s^2 + 40.0 m^2/s^2. v^2 = 41.96 m^2/s^2. Taking the square root of both sides to solve for v: v = √(41.96 m^2/s^2). v ≈ 6.5 m/s. Therefore, Margy's final velocity at the end of the 100.0 m is approximately 6.5 m/s.

To learn more about velocity, https://brainly.com/question/28608160

#SPJ11

The velocity of the wedge at the instant described is to the right, with a magnitude of 6.0 m/s.

1. Let's consider the motion of the block first. The block slides down the inclined surface of the wedge, which is rough. Since the vertical component of the block's velocity is 3.0 m/s and the horizontal component is 6.0 m/s, we can use these values to determine the resultant velocity of the block.

2. The resultant velocity of the block can be found using the Pythagorean theorem: the square root of (vertical velocity squared + horizontal velocity squared).

  Resultant velocity of the block = sqrt((3.0 \(m/s)^2 + (6.0 m/s)^2\))

                               = sqrt(9.0 \(m^2/s^2 + 36.0 m^2/s^2\))

                               = sqrt(45.0 \(m^2/s^2\))

                               ≈ 6.71 m/s

3. Now, let's consider the motion of the wedge. Since the wedge is on a frictionless surface, there is no horizontal force acting on it. Therefore, the horizontal component of its velocity remains constant.

4. The horizontal component of the velocity of the block is equal to the horizontal component of the velocity of the wedge. So, the velocity of the wedge is 6.0 m/s to the right (in the same direction as the block's horizontal component).

5. Therefore, the velocity of the wedge at the instant described is 6.0 m/s to the right.

For more such questions on velocity, click on:

https://brainly.com/question/23721895

#SPJ8

Question 1

T=2*pi*sqrt(m/k) 

dimension of T=sec

dimension of 2*pi=nil(dimensionless)

dimension of m=kg

equation dimension

sec=sqrt(kg/k)

sec^2=kg/k

k=kg/sec^2

so dimension of k will be 

MT^(-2) 

dimension of N/m=kgms^(-2)/m=kgs^(-2) so it is same 

Question 2

F=Gm1*m2/r^2

Dimension of F=MLT^(-2)

MLT^(-2)=G*M*M/L^2

G=ML^3T^(-2)/M^2=M^(-1)L^(3)T^(-2)

To know more about dimension  visit:

https://brainly.com/question/28688567

#SPJ4

Coltan is likely to carelessly test the weight, length, and height variables haphazardly. However, Jason will most likely do systematic tests of the variables because this is when kids start to think scientifically.

What does auditing's haphazard sampling entail?

A nonstatistical method known as "haphazard sampling" is used to choose sample items without any deliberate bias and without giving a justification for adding or omitting any particular items.

What is an example of haphazard sampling?

The vox pop poll, in which the interviewer chooses any passerby, is an illustration of accidentally. Unfortunately, selection is susceptible to the biases of the interviewer and anybody who happens to pass by at the moment of sampling unless the population units are actually comparable.

What distinguishes haphazard sampling from random sampling?

By numbering each item in the population and using random number tables to determine which things to investigate, random selection ensures that every member of the population has an equal chance of being chosen. Haphazard refers to the way a person chooses things, probably in an effort to mimic randomness.

To know more about  Haphazardly visit:

https://brainly.com/question/17750629

#SPJ4

Answer:

I think milligram is the correct answer.

Answer:

D. milliliter

Explanation:

Took it on usatestprep

Star B appears to be brighter because its larger radius (4 times that of Star A) results in a greater surface area, allowing it to emit more light. The temperature difference does not affect brightness perception at the same distance.

The brightness of a star is determined by its luminosity, which is related to its radius and temperature. In this scenario, Star A has a radius of "r" and a temperature of "t," while Star B has a radius of "4r" and a temperature of "t/2".

The luminosity of a star is proportional to the surface area of the star. Since Star B has a larger radius (4 times that of Star A), its surface area is 16 times larger. This means Star B can emit more light and appears brighter than Star A, even though the temperature difference between the two stars does not impact their perceived brightness at the same distance. Therefore, Star B appears to be brighter due to its larger radius and resulting larger surface area for light emission.

learn more about Star here:

https://brainly.com/question/31987999

#SPJ11

Answer:

Isaac Newton had ideas about motion,

Which he called the tree laws of motion,

Which later laid the foundation,

In the scientific revolution.

The law of inertia states,

That an object resists and stagnates,

Unless an outside force stimulates,

Then changes in an object emanates.

The second law explains,

Force, mass, and acceleration, it contains,

The greater the mass an object sustains,

The greater the force and less acceleration it maintains.

The third law states that for every action,

There is an equal and opposite reaction,

And as for the demonstration,

Think of the rockets progression.

These three laws are very important,

In our lives, they are constant,

If you are just very observant,

You'll see, they are significant.

Answer:

positive delta H (enthalpy/heat change)

temperatures drop

Explanation:

eg water changing state to ice is an endothermic reaction

Answer:

Some signs that an endothermic reaction is taking place are if:

- the container holding the reaction feels cold to the touch

- the change in enthalpy is positive

- the total heat of formation is positive

Answer:

231 C final temperature, 211 C change in temperature

Explanation:

To solve this problem you you use the q=MCΔT equation, where q is heat, m is mass, c is specific heat, and ΔT is change in temperature. Since we're given heat and solving for temperature we rearrange the equation to q/(M*C)=ΔT. At this point we simply plug in the given values to get a ΔT of 211, but this is simply the change in temperature so you add the initial to this to get the final temp.

According to Ohm's law: V = IR

The rate of flow of charges will depend on the voltage supplied and the resistance in the wire.

ELECTRIC CHARGE

Current can be defined as the rate of flow of charges. Where charge is the product of current and time. This means that electric charge is proportional to electric current. The current in a conducting wire depends on;

The two factors that can affect the flow of electric charge in the given options are voltage and resistance

Because according to Ohm's law: V = IR

The rate of flow of charges will depend on the voltage supplied and the resistance in the wire.

Learn more about Electric Charge here: https://brainly.com/question/26100412

Answer:

A. and D.

Explanation: Identifying Factors That Affect Current

Which factors affect the flow of electric charge? Select two options.

[voltage]

ampere X

ohmX

[resistance]

volt X

The work done by both students will be equal. Jaci has greater power than Kyli.

Work can be explained as the energy needed when a force is exerted to move an object through a particular displacement. The work done depends upon the displacement and applied force of the object.

W= F × d

Where 'F' represents the exerted force and 'd' represents the displacement.

The power can be described as the rate of doing work and is the work done in unit time.  The mathematical formula for power can be represented as mentioned below.

Power = Work/time = W/t

As the mass of the box is equal and both cover the same distance so the work done by both students will be equal. The time taken by both students is different. Therefore, the power will be different.

More the time is taken, the lesser the power. Therefore, Jaci has greater power than Kyli.

Learn more about work, here:

brainly.com/question/13662169

#SPJ1

To find the charge that flows through the electric hair dryer in 4.0 minutes, we need to use the formula:

charge = current x time

Substituting the given values, we get:

charge = 11 A x 4.0 min = 44 C

Therefore, the amount of charge that flows through the hair dryer in 4.0 minutes is 44 Coulombs.
Hi! To calculate the charge that flows through the electric hair dryer in 4.0 minutes, you can use the formula Q = I * t, where Q is the charge, I is the current, and t is the time.

Given that the current (I) in the hair dryer is 11 A, and the time (t) is 4.0 minutes (or 240 seconds, since 1 minute = 60 seconds), you can plug these values into the formula:

Q = 11 A * 240 s

Q = 2640 C

So, 2640 Coulombs of charge flow through the electric hair dryer in 4.0 minutes.

Learn more about electric hair dryer here;

https://brainly.com/question/29086609

#SPJ11