help please fast + i dont want an answer from g**gle .

Answer:

the planet that is closest to the sun.

Answer:

Explanation:

If a dog and horse are running with the same speed, kinetic energy of horse is more than the kinetic energy of the dog because the mass of a horse is more than the dog.

Answer:

it’s an example of a generator.

Explanation:

Answer:

Generator

Explanation:

valid

Answer:

A

Explanation:

Dropping the magnet its weaknging the structure

The average force exerted by the club on the ball is 838,400 N. Force can be characterized by its magnitude, direction, and point of application.

It can be a push or pull, and it can cause an object to start moving, stop moving, or change its direction of motion.

Force is indeed a physical factor that alters or has the potential to alter an object's state at rest or motion as well as its shape. Newton is the SI unit of force.

Finally, the average force exerted by the club on the ball is:

F = I / t = (1676.8 N·s) / (0.0020 s) = 838,400 N

To know more about force visit :

brainly.com/question/13191643

#SPJ1

The Answer is B because primary consumers need to get their food from plants.

Answer:

The Answer is B because primary consumers need to get their food from plants

Explanation:

Explanation:

Find an energy is E =mgh, so E = 45*10*19=8550j

Currently, the largest optical telescope mirrors have a diameter of a  20 m , so option d is  is correct.

The largest optical telescope mirrors have a diameter of a 20m.However, please note that technology and advancements in telescope construction are continuously evolving, so it's possible that larger telescope mirrors have been developed since then. It's always a good idea to consult the latest sources or refer to current astronomical news for the most up-to-date information.An optical telescope is a telescope that gathers and focuses light mainly from the visible part of the electromagnetic spectrum, to create a magnified image for direct visual inspection, to make a photograph, or to collect data through electronic image Therefore option d is correct option.

To learn more about  sensors visit: https://brainly.com/question/29569820

#SPJ11

Electric GSE refurbishing involves taking diesel-powered ground support equipment (GSE) and replacing the diesel engines with battery-powered systems.

It sounds like you're asking about a workshop that has been set up in Las Vegas to refurbish electric ground support equipment Electric GSE by replacing their diesel engines with batteries. The workshop is buying refurbished GSE in the US because it's cheaper than purchasing brand new equipment. This is a great example of how businesses can reduce their environmental impact and save money at the same time by opting for more sustainable alternatives. By replacing diesel engines with batteries, the workshop is helping to reduce emissions and noise pollution, which is especially important in busy airport environments. It's great to see companies taking proactive steps to improve their sustainability practices.

One of the most dependable and environmentally friendly sources of electricity is solar energy. Being a clean and environmentally friendly source of energy, it is regarded as the greatest type of energy replacement.

An external combustion engine called a steam engine heats the working fluid to create steam in a boiler. The pistons are propelled by the force created by the steam, which performs mechanical work.

A tool used to store electrical energy is called an electric battery. Another name for it is an electrochemical cell. Chemical energy is transformed into electrical energy by electric batteries.

Learn more about energy here

https://brainly.com/question/31255884

#SPJ11

No, the size of the displacement is always smaller than or equal to the distance a particle travels.

The shortest route taken is displacement. Consequently, it can only be equal to the distance if the distance is also the shortest path; otherwise, the distance will be more than the displacement. Q. Displacement always exceeds or equals distance.

The displacement cannot be more than the distance because the displacement is the linear amount of path traveled by a moving body during a specific time period, whereas the distance is the total amount of path traveled by a moving body during that time.

To know more about partial displacement visit :-

https://brainly.com/question/14696971

#SPJ4

The statement is true. ELISA results alone cannot determine the index case. Contact tracing or observing patterns of exchanges and positive results is required to identify the original carrier. ELISA only indicates exposure to the pathogen but not the source of infection.

The ELISA results alone cannot determine the original carrier or index case of an infection. ELISA is an immunoassay that detects the presence of antibodies against a specific pathogen in a person's blood.

It indicates if a person has been exposed to the pathogen but does not provide information about the source or index case.

To determine the index case, contact tracing or observation of the pattern of exchanges and positive results is necessary. Contact tracing involves identifying and interviewing individuals who may have come into contact with an infected person to trace the source of the infection.

By gathering detailed information about interactions and testing individuals, health care providers can determine the original carrier or index case.

ELISA results are just one piece of the puzzle and must be considered in conjunction with other information to determine the index case.

Therefore, True ELISA results alone cannot identify the index case. Contact tracing or observing patterns of exchanges and positive results is necessary to determine the source of infection. ELISA only indicates exposure, not the origin of the infection.

To know more about pathogen, refer here:

https://brainly.com/question/31994092#

#SPJ4

A model can be altered in a number of ways, by importing a database, combining information, or erasing data.

The term "scientific manipulation" in behavior analysis describes the methodical organization of a variable under research in order to enable the objective analysis of the effects of the variable presence or absence on some other measurable behavior.

To manipulate data, build a database with information from many sources, clean and rearrange the content of the database, combine and remove redundant information, and then do an analysis to uncover important information.

Understanding your needs and goals, utilizing automation tools, filtering your data, and researching various manipulation tools are some strategies for manipulating data.

To  know more about  manipulation refer to the given link:

http://brainly.com/question/27466890?utm_source=android&utm_medium=share&utm_campaign=question

#SPJ1

To find the time it took for the car to accelerate, you can use the formula:

t = (v - u) / a

where t is the time, v is the final velocity, u is the initial velocity, and a is the acceleration.

Plugging in the given values, you get:

t = (26 m/s - 19 m/s) / (205 m / t^2)

You can then rearrange the equation to solve for t:

t = sqrt(205 m / (26 m/s - 19 m/s))

Solving for t, you get:

t = sqrt(205 m / 7 m/s) = sqrt(29.3 s^2) = 5.4 s

So it took the car approximately 5.4 seconds to accelerate from 19 m/s to 26 m/s.

Answer:

The correct answer is B

Lichens produce chemicals which dissolve and weather the rocks.

Option A and C best describes the energy transformation in this system. This electrical energy is then transferred to an insulated storage tank in her garage.

According to the Law of conservation of energy,Energy can not be created nor be destroyed, it can transfer from one to another form.

The total energy is the sum of all the energies present in the system. The potential energy in a system is due to its position in the system.

The following best describes the energy transformation in this system is;

A. The majority of the electrical energy produced in the system is destroyed as it is transferred to the water tank.

C. The majority of the light energy that initially enters the system is lost to the air surrounding the water tank.

Hence, option A and C are correct.

To learn more about the law of conservation of energy, refer;

https://brainly.com/question/2137260

#SPJ1

Answer:

The amount of light energy that enters the system is equal to the amount of heat energy that is produced.

Explanation:

I got it on study island

Average number of team members who reached their goal per day = 4.2

Number of team members that reached their goals on Monday = 5

Number of team members that reached their goals on Tuesday = 4

Number of team members that reached their goals on Wednesday = 2

Number of team members that reached their goals on Thursday = 7

Number of team members that reached their goals on Friday = 3

Total number of team members that reached their goals = 5 + 4 + 2 + 7 + 3

Total number of team members that reached their goals = 21

Average number of team members who reached their goal per day = 21/5

Average number of team members who reached their goal per day = 4.2

The crystal of potassium chloride has a definite shape because it consists of particles that are held in fixed positions.

Ionic solids are crystalline in nature. This means that the ions that compose them are arranged in an orderly manner to form a crystal lattice.

This crystal lattice is composed of a regular repeating pattern called the unit cell. The ions in these unit cells are held together by strong electrostatic forces.

Hence, the crystal of potassium chloride has a definite shape because it consists of particles that are held in fixed positions.

Learn more: https://brainly.com/question/488789

Answer:

24000kgm/s

Explanation:

Given parameters:

Mass of car  = 1200kg

Velocity = 20m/s

Unknown:

Momentum  = ?

Solution:

Momentum is the amount of motion a body possesses.

   Momentum  = mass x velocity

 Now insert the parameters and solve;

 Momentum  = 1200 x 20  = 24000kgm/s

The given paraboloid coordinate system (u, v, ϕ) with x = u.v cosϕ,

y = u.v sinϕ , z = 1/2 (u2 - v2) is orthogonal. The gradient is ∇f = (∂f/∂u) e_u + (∂f/∂v) e_v + (∂f/∂ϕ) e_ϕ ; divergent is ∇²f = ∇ · (∇f) ; curl is (∇ x) and laplacian is  (∇²).

We can prove that the paraboloid coordinate system (u, v, ϕ) is orthogonal, by computing the dot products of the basis vectors. The basis vectors in this coordinate system are given by:

e_u = (∂x/∂u, ∂y/∂u, ∂z/∂u) = (v cosϕ, v sinϕ, u)

e_v = (∂x/∂v, ∂y/∂v, ∂z/∂v) = (u cosϕ, u sinϕ, -v)

e_ϕ = (∂x/∂ϕ, ∂y/∂ϕ, ∂z/∂ϕ) = (-u.v sinϕ, u.v cosϕ, 0)

By Taking the dot products, we find that e_u · e_v = 0, e_v · e_ϕ = 0, and e_ϕ · e_u = 0. This proves that the basis vectors are mutually perpendicular, and therefore, the coordinate system is orthogonal.

Next, we can calculate the gradient (∇) in this coordinate system. The gradient of a scalar function f(u, v, ϕ) is given by:

∇f = (∂f/∂u) e_u + (∂f/∂v) e_v + (∂f/∂ϕ) e_ϕ

The divergence (∇ ·) and curl (∇ x) can be computed using the standard formulas in terms of the basis vectors. Finally, the Laplacian (∇²) can be obtained by taking the divergence of the gradient:

∇²f = ∇ · (∇f)

Thus, By evaluating these operations in the given coordinate system using the appropriate partial derivatives, we can determine the gradient, divergent, curl, and Laplacian for any scalar function in the (u, v, ϕ) coordinates.

To know more about orthogonal system here

https://brainly.com/question/31955761

#SPJ4

Answer:

Kinetic Energy

Explanation:

Kinetic energy is energy due to motion.

Answer:

D

Explanation:

Elastic energy is energy stored in a object when there is a strain or compression on the object.

Nuclear energy is the energy found in the nucleus of an atom.

Potential energy is energy that an object stores because of its position to other objects.

Kinetic energy is the energy that an object has due to motion.

The child is riding her bicycle, therefore the child is in motion. So, the correct answer must be D. Kinetic energy

Answer:

by paying attention in class, studying and using notes on everything

Explanation:

Flow rate is the volume of fluid that passes through a given area per unit time.

The calculation of flow rate depends on the type of fluid, the flow conditions, and the measurement units used.

Here are some common methods for calculating flow rates:

Volumetric flow rate: This is the volume of fluid that passes through a given point per unit time. It is usually measured in liters per second (L/s) or cubic meters per hour (m³/h).

The formula for calculating volumetric flow rate is:

Volumetric flow rate = (Area of flow) x (Velocity of fluid)

Mass flow rate: This is the mass of fluid that passes through a given point per unit time. It is usually measured in kilograms per second (kg/s) or pounds per hour (lb/h).

The formula for calculating mass flow rate is:

Mass flow rate = (Density of fluid) x (Volumetric flow rate)

Learn more about flow rates here: https://brainly.com/question/21630019

#SPJ1

Answer:

in addition infrared thermometers don't measure metal surfaces particularly well anyway (metals typically have a low emissivity). Measuring electrical resistance is better.

Answer:

C

Explanation:

The acceleration will be negative, as in the problem statement, the upwards direction is defined as positive (the object is shot upwards and has a positive velocity), so immediately, we can eliminate A and B.

You can then use the kinematics equation:

\(v=v_o+at\), where

a= -9.8 m/s^2 (acceleration due to gravity)

t= 4 s (time)

v\(_0\)= 20 m/s (initial speed)

when you solve, the final velocity is -19.2 m/s, so the velocity is negative (the object is on its way down).  

a)The power that can be transmitted over a 400 km, 345 kV transmission line is 85.96 MW.

b)The theoretical maximum power or steady-state stability limit is 94.31 MW.

c)It is important to operate the power system within the steady-state stability limit to ensure its safe and reliable operation.

a) To determine the power that can be transmitted over a 400 km, 345 kV transmission line, we can use the formula:

P = (\(VS^{2} -VR^{2}\) ) / (2 * Zc) * sin(2 * δ) * L

Where:

VS = sending-end voltage in per unit

VR = receiving-end voltage in per unit

Zc = characteristic impedance of the transmission line in ohms

δ = power angle in radians

L = length of the transmission line in km

Plugging in the given values, we get:

P = (\(1^{2}\) - \(0.95^{2}\)) / (2 * 300) * sin(2 * 35°) * 400 = 85.96 MW

Therefore, the power that can be transmitted over a 400 km, 345 kV transmission line is 85.96 MW.

b) To determine the theoretical maximum power or steady-state stability limit, we can use the formula:

Pmax = (VS * VR) / Zc * sin(δmax)

Where:

δmax = maximum power angle in radians

To find δmax, we can use the formula:

sin(δmax) = 1 / (2 * X)

Where:

X = reactance of the transmission line in ohms per km

From the given parameters, we know that:

X = Zc / tan(δ) = 300 / tan(35°) = 405.74 Ω/km

Plugging in the values, we get:

sin(δmax) = 1 / (2 * 405.74) = 0.001230

δmax =\(sin^{-1}\)(0.001230) = 0.0705 rad = 4.03°

Therefore, the theoretical maximum power or steady-state stability limit is:

Pmax = (1.0 * 0.95) / (300) * sin(4.03°) = 94.31 MW

c) If an attempt were made to exceed the steady-state stability limit, the power angle would increase beyond δmax and the system would become unstable. This could result in a voltage collapse, leading to a blackout or brownout.

In extreme cases, it could also cause damage to the equipment and infrastructure. Therefore, it is important to operate the power system within the steady-state stability limit to ensure its safe and reliable operation.

Know more about   steady-state  here:

https://brainly.com/question/9128896

#SPJ11

Answer:

Conservation of energy still holds - so somewhere in traversing some of the potential energy was converted into something other than kinetic energy.

The loss of energy can be attributed to several things - friction on  the ramp, air resistance, friction within the item descending the ramp; in general one would say that some of the initial PE was lost during the descent of the ramp. and did not show up as KE.

Answer:

1N=1 kg×m/s (sqaured)

Explanation:

basically if you are 225 lb u weigh 1000N. I hope I helped

The slope of 3.2913 indicates that for every one degree Fahrenheit increase in temperature.

Finally, the temperature when the number of chirps is 0 is not represented by the slope or the y-intercept, but rather by extrapolating the regression line to the x-axis.

To know more about temperature visit:

https://brainly.com/question/26088764

#SPJ1

The mass flow rate of the pump is 2.8 kg/s.

Given the density of the oil (kerosene) to be ρ= 0.75 kg/L

The volume of oil is equal to 10,000 L1 L = 0.001 m³Volume of oil = 10,000 × 0.001 = 10 m³Density of oil = mass/volume ⇒ mass = density × volume

Let m be the mass of oil.

m = ρV = 0.75 × 10 = 7.5 kg

The time taken to empty the tank is 45 minutes. 1 minute = 60 seconds

The time taken is t = 45 × 60 = 2,700 seconds.

Let the mass flow rate be m′. The mass flow rate is defined as the mass of fluid flowing per unit time.m′ = m/t = 7.5/2,700 kg/s= 0.00278 kg/s

Therefore, the mass flow rate of the pump is 2.8 kg/s.

To know more about mass flow rate, visit:

https://brainly.com/question/30763861

#SPJ11