what fives the identity of an atoms and its place on the periodic table

Answer: 625000 J

Explanation:

KE= (1/2)mv^2

m=500kg

v=50m/s

KE= (1/2 )(500)(50)^2

= 625000 J

By Using Euler's method with two steps, we can find the approximate value of Y(2) is 2.125. , where Y is the solution of the initial value problem dy/dx = x - y, and Y(1) = 3.

Euler's method is defined as a numerical technique which is  used to approximate solutions into ordinary differential equations. The method includes dividing the interval of interest into smaller steps and thereafter approximating the solution at each step by using the derivative of the function.

In this case, we are given the initial value problem dy/dx = x - y, with the initial condition Y(1) = 3. To approximate Y(2) using Euler's method with two steps, we will divide the interval [1, 2] into two equal steps.

Step 1:

We start with the initial condition Y(1) = 3. Using the differential equation dy/dx = x - y, we can approximate the value of Y at the midpoint of the interval [1, 2].

Using the step size h = (2 - 1) / 2 = 0.5, we can calculate Y(1.5) as follows:

Y(1.5) ≈ Y(1) + h × (x - y) = 3 + 0.5 × (1.5 - 3) = 3 + 0.5 × (-1.5) = 2.25

Step 2:

Now, using the value of Y(1.5) as the new approximation, we calculate Y(2) using the same process:

Y(2) ≈ Y(1.5) + h × (x - y) = 2.25 + 0.5 × (2 - 2.25) = 2.25 + 0.5 × (-0.25) = 2.125

Thus,  by using Euler's method with two steps, the approximate value of Y(2) is 2.125.

To know more about Euler's method here

https://brainly.com/question/32513127

#SPJ4

The complete question is

Use Euler's Method With Two Steps To Approximate Y(2), Where Y Is The Solution Of The Initial Value Problem: Dy : X − Y, Y(1) = 3

The acceleration of the sled of mass 300 kg is 0.57 m/s².

Acceleration is the rate of change of the velocity of a body.

To calculate the acceleration of the sled, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the acceleration of the sled is 0.57 m/s².

Learn more about acceleration here: https://brainly.com/question/25749514

#SPJ1

Answer:

Pool:
1 lap: 100 m distance, 0 m displacement
1.5 laps: 150 m distance, 50 m displacement
2 laps: 200 m distance, 0 m displacement

Track:
1 lap: 200 m distance, 0 m displacement
1.5 laps: 300 m distance, 50 m displacement
2 laps: 400 m distance, 0 m displacement

Explanation:

Distance and displacement are two different things:

Distance is the full length you have traveled. For example, if you swim one lap around a 50 meter pool, you've traveled a distance of 100 meters (there and back).

However, displacement how far you are from the starting point. If you swim one lap around the same pool, your displacement is 0 meters since you ended up in the same place you had started from.

To determine the location of the image formed by a converging lens, we can use the lens formula:

1/f = 1/d_o + 1/d_i,

where f is the focal length of the lens, d_o is the object distance, and d_i is the image distance.

Given:

Focal length of the lens (f) = 6.5 cm,

Object distance (d_o) = 28 cm.

We can rearrange the lens formula to solve for the image distance:

1/d_i = 1/f - 1/d_o.

Substituting the given values:

1/d_i = 1/6.5 - 1/28.

To find the value of d_i, we calculate the right-hand side of the equation and then take the reciprocal:

1/d_i = (28 - 6.5) / (6.5 * 28).

1/d_i = 21.5 / 182.

d_i = 182 / 21.5.

d_i ≈ 8.47 cm.

The positive sign indicates that the image is formed on the opposite side of the lens from the object. Therefore, the image is located approximately 8.47 cm in front of the lens.

Learn more about lens here

https://brainly.com/question/28039799

#SPJ11

To solve this we must be knowing each and every concept related to variables. Therefore, because the evidence cards all represent variables, none of them should be deleted.

A variable is any trait, characteristic, number, or quantity that changes over time or may take on different values in different contexts (as contrast to constants, such as n, which do not change).

Magnetic pole configuration is a variable since its values can vary.

The quantity of coils is indeed a variable since it might have several numbers.

Rail material is indeed a variable since its values might vary.

The distance between the automobile and the launcher is flexible since it might take various values.

Therefore, because the evidence cards all represent variables, none of them should be deleted.

To learn more about variables, here:

https://brainly.com/question/28900893

#SPJ1

Answer:

C. Because light reflects off of them

Explanation:

If light passed through then the item the item would be transparent, we can see objects because light reflects off of them causing the illusion that they absorb it

Answer:

The Correct answer is B

because light reflects off them.E.g mirror

Spider silk is a remarkable material with unique properties, including high tensile strength, toughness, and elasticity.

Biologists have observed that some spiders tune their webs to respond more effectively to specific prey by adjusting the tension and stiffness of the silk strands. The diameter of the orb spider web silk is about 20 μm, and its density is 1300 kg/m3. The resonant frequency of a silk strand depends on its tension and stiffness, which in turn depend on its diameter, length, and the properties of the material. By adjusting these parameters, spiders can enhance the response of their webs to prey of specific sizes and types. This phenomenon has important implications for understanding the ecology and evolution of spiders and their interactions with prey. It also has potential applications in materials science and engineering, where spider silk has been studied for its unique mechanical and optical properties, and its potential use in biodegradable materials, biomedical devices, and other applications.

To learn more about Spider silk click the link below

brainly.com/question/22369168

#SPJ4

Answer:

Please give the brainliest, really appreciated. Thank you

Answer:

Make cathode-ray tubes with various materials and see whether the beam should be the same.

Explanation:

It takes her 4.17s to complete 10 dribbles as frequency is 2.40hz

What do you mean by frequency ?

In physics, frequency is the number of waves that pass a fixed point in a unit of time as well as the number of cycles or vibrations that a body in periodic motion experiences in a unit of time .A body traveling in periodic motion is considered to have experienced one cycle or one vibration after passing through a series of circumstances or locations and then returning to its starting point.. The frequency is 2 per second if the period, or time interval, needed to complete one cycle or vibration is 1/2 second; it is 100 per hour if the duration is 1/100 of an hour. In most cases, the frequency is equal to the period, or time interval, reciprocally, therefore frequency = 1/period = 1. (time interval)

frequency = 2.40hz

2.40 dribble is finished in one second

1 dribble takes 0.60 seconds to complete.

10 dribbles are finished in 1*10/2.40 = 4.17 seconds.

She completes 10 dribbles in 4.17 seconds since the frequency is 2.40 hertz.

To know about frequency from the link

https://brainly.com/question/254161

#SPJ4

Answer:

Examples of balanced forces

Resting against a wall.

Lying down.

Aircraft in a steady-flight.

Floating in water.

Standing in ground.

Tug of war equally balanced teams.

Fruit hanging from a tree.

Ball hanging from a rope.

Answer:

Telescope, Probware, etc,..

Answer: probeware

Explanation:

the answer is probeware

if you mean by the options,

A. a ruler

B. a thermometer

C. a beaker

D. probeware

Answer: Just took it!

Explanation:

Mechanical energy flows out of the magnets and into the electric charges in the loop of wire. Therefore,  the correct option is option A among all the given options.    

A current is the movement of particles (electrons) across wires and components. It is the charge flow rate. If an electric charge passes through a conductor, scientists say the conductor has an electric current. Electrons form a charge flow in circuits that use metallic conductors.

Electromagnetic induction in a moving loop of wire cause an electric generator to produce an electric current by mechanical energy flows out of the magnets and into the electric charges in the loop of wire cause.

Therefore,  the correct option is option A among all the given options.    

To know more about electric current, here:

https://brainly.com/question/29766827

#SPJ2

(a) The frequency of the fundamental is 0.1 Hz, and the frequency of the third harmonic is 0.3 Hz. (b) the wavelength of the sound wave created by the vibrating wire for the third harmonic is 0.67 m.

a) To find the frequency of the fundamental and third harmonic of a steel wire, we can use the formula:

f = nv/2L

Where f is the frequency, n is the harmonic number, v is the speed of the wave in the medium (in this case, the steel wire), and L is the length of the wire.

We are given that the steel wire is 1m long, has a mass per unit length of 2000kg/m, and is under a tension of 80N. We can use the formula:

v = √(T/μ)

Where T is the tension and μ is the mass per unit length.

Substituting the given values, we get:

v = √(80/2000) = 0.2 m/s

For the fundamental frequency (n=1), we have:

f1 = (1 x 0.2)/(2 x 1) = 0.1 Hz

For the third harmonic (n=3), we have:

f3 = (3 x 0.2)/(2 x 1) = 0.3 Hz

Therefore, the frequency of the fundamental is 0.1 Hz, and the frequency of the third harmonic is 0.3 Hz.

b) To find the wavelength of the sound wave created by the vibrating wire for the third harmonic, we can use the formula:

λ = 2L/n

Where λ is the wavelength, L is the length of the wire, and n is the harmonic number.

Substituting the given values, we get:

λ = 2 x 1/3 = 0.67 m

Assuming the speed of sound in air is 345m/s, we can use the formula:

v = fλ

Where v is the speed of sound, f is the frequency, and λ is the wavelength.

Substituting the values for the third harmonic, we get:

345 = 0.3 x 0.67

Therefore, the wavelength of the sound wave created by the vibrating wire for the third harmonic is 0.67 m.

For such more questions on frequency

https://brainly.com/question/29944043

#SPJ11

Among the given options, cultural differences are most likely to be the centrifugal force within the EU in the future. The EU is a political and economic union of 27 member states, and cultural differences among its member states have always been present.

With the increasing number of immigrants from different parts of the world, the cultural differences among EU member states are becoming more prominent. Each member state has its unique language, history, customs, and traditions, which can create misunderstandings and conflicts among the member states.
The EU aims to promote unity and solidarity among its member states, but cultural differences can lead to a lack of understanding and trust between them. The EU's diverse cultural heritage is both a strength and a challenge for the union. The EU needs to find a way to respect the cultural diversity of its member states while maintaining its unity.
However, the cultural differences among the member states can still cause tensions and conflicts in the future. Therefore, it is crucial for the EU to continue to foster cultural awareness and understanding among its member states to maintain the union's cohesion and stability.

learn more about centrifugal force Refer: https://brainly.com/question/14467048

#SPJ11

complete question:

Which of these is most likely to be a centrifugal force within the EU in the future?

a. trade barriers

b. closed borders

c. pollution problems

d. cultural differences

Answer:

When boiling water, the temperature of molecules within the water increases    

Explanation: and they slowly begin to move at a rapid rate, upwards. ... The hot water molecules become less dense, and they rise above the denser cooler molecules. This movement of molecules creates convection currents.

Answer:

the extension would be less the new extension might be 3 cm

Explanation:

Answer:

A

Explanation:

The change in speed on slopes is due to gravity. Therefore, when going downhill, objects accelerate

Answer:

The car starts to accelerate at section A, since it is travelling down a slope. It accelerates due to gravity acting on the downwards direction.

when you stand in front of a convex mirror, the image you see is

e. virtual and upright.

convex mirror:

A mirror that has a curved reflecting surface is said to be curved. Convex (bulging outward) or concave surfaces are both possible (recessed inward).

Convex mirrors have curved surfaces that protrude outward toward the source of light. Instead than being used to focus light, this protruding surface simply reflects it outward.

Convex mirrors include, but are not limited to, those used as calling bells, optical devices, and vehicle rear-view mirrors.

Parallel light rays strike a convex mirror, reflect outward, and move away from an imagined focal point in a straight line (F). When a ray reaches that tiny area of the surface, it still reflects at the same angle.

Learn more about rear-view mirrors here:

https://brainly.com/question/15958237

#SPJ4

The response D is correct as hot water has more energy than cold water, causing the molecules to move faster, leading to faster dissolution.

Hot water dissolves substances faster than cold water due to its higher energy level. The heat energy causes the water molecules to move faster, which increases the kinetic energy of the particles in the substance being dissolved. This therefore raises the probability of particle collisions, which accelerates the rate of disintegration.

Additionally, the stronger intermolecular forces between the water molecules make it easier for the solute particles to dissolve due to their increased energy level. This is why substances dissolution occurs faster in hot water than cold water.

To know more about solubility, visit,

https://brainly.com/question/23946616

#SPJ1

Complete question - Zeplin is investigating how long different substances take to dissolve in water. He timed how long each tested substance took to dissolve twice: once in cold water, and once in hot water. He noticed they dissolved faster in the hot water for every test. Which statement explains why this happened?

Responses:

A Hot water has more volume than cold water, so substances spread to fill space.

B Hot water has more gravity than cold water, so particles break up more quickly.

C Hot water has more oxygen than cold water, and oxygen absorbs substances.

D Hot water has more energy than cold water, causing the molecules to move faster.

Explanation

According to law of conservation  of momentum

m1u1 + m2u2 = (m1+m2)v

m1 is mass of the man 75kg

u1 is the velocity of the man 0m/s

m2 is the mass of the ball = 4kg

u2 is the velocity of the ball = 3.5m/s

We are to find v

Substitute

75(0)+4(3.5) = (75+4)v

0 + 14 = 79v

v = 14/79

v = 0.177m/s

Hence his resulting velocity will be 0.177m/s

Answer: A) 10

Explanation:

I plugged in the numbers into a calculator.

Ex:

The formula for density is d=m/v so I divided 15 by 1.5 and it gave me 10.

In contrast to the human hearing range of 20 Hz to 20 kHz, mouse hearing extends into the ultrasonic region and ranges from 1 to approximately 100 kHz7,9.

To learn more about frequency refer to:

https://brainly.com/question/254161

#SPJ1

A particle moving at speed 0.32 c has momentum P₀. the speed of the particle is increased to 0.72 c then its momentum would be 2.25P₀.

It can be defined as the product of the mass and the speed of the particle, it represents the combined effect of mass and the speed of any particle, and the momentum of any particle is expressed in Kg m/s unit.

Mathematically the formula of the momentum is

P = mv

where P is the momentum of the particle

m is the mass of the particle

v is the velocity by which the particle is moving

As given in the question a particle moving at speed 0.32 c has momentum P₀. the speed of the particle is increased to 0.72 c

by using the formula of the momentum and substituting the values of the velocity

P =mv

As mentioned in the question when the particle is moving with 0.32c velocity it has a momentum of P₀

P₀ = m*(0.32c)

If the speed of the particle is increased to 0.72 c the momentum would be

P=m*(0.72c)

by dividing the second equation from the first one

P₀/P = 0.32c/0.72c

P₀/P = 0.44

P =2.25P₀

Thus, the increased momentum of the particle would be 2.25P₀

Learn more about momentum from here

https://brainly.com/question/17662202

#SPJ4

The bullet takes 0.0025 seconds to pass through the wooden plank of 5 cm thickness when it is traveling horizontally with an initial speed of 30 m/s and a final speed of 10 m/s.

The time taken by the bullet to pass through the wooden plank can be determined using the equation of motion for constant acceleration.

Given:
Initial speed (u) = 30 m/s

Final speed (v) = 10 m/s

Distance (s) = 5 cm = 0.05 m

To find the time taken (t), we need to calculate the acceleration (a) first. We can use the equation:

v² = u² + 2as

Rearranging the equation, we have:

a = (v² - u²) / (2s)

Substituting the given values:

a = (10² - 30²) / (2 * 0.05)

Simplifying the expression:

a = (-800) / (0.1)

a = -8000 m/s²

The negative sign indicates that the acceleration is in the opposite direction of the initial velocity.

Next, we can use the equation of motion:

v = u + at

Substituting the values:

10 = 30 + (-8000) * t

Simplifying the equation:

-8000t = -20

Dividing by -8000:

t = 20 / 8000
t = 0.0025 s

Therefore, the time taken by the bullet to pass through the wooden plank of 5 cm thickness is 0.0025 seconds.


To find the time taken by the bullet to pass through the wooden plank, we need to calculate the acceleration first using the equation of motion.

By rearranging the equation and substituting the given values, we can find the acceleration.

Then, using the equation of motion again, we can solve for time.

The negative sign in the acceleration indicates that it is in the opposite direction of the initial velocity.

The resulting time is 0.0025 seconds.

To know more about acceleration visit;

https://brainly.com/question/2303856

#SPJ11

A prolonged blast emitted by Boat A using an efficient sound-producing device is typically used as a sound signal to indicate a specific message or action.

The meaning of a prolonged blast depends on the context and is often governed by marine regulations and conventions. Here are three common interpretations of a prolonged blast signal:

Warning Signal: In many jurisdictions, a prolonged blast is used as a warning signal to indicate potential danger or the presence of a vessel in a restricted visibility situation. For example, if Boat A is navigating in foggy conditions or during reduced visibility, it may emit a prolonged blast to warn nearby vessels of its presence and indicate that it is maneuvering cautiously.

Request for Passage: In certain circumstances, a prolonged blast can serve as a request for passage. For instance, if Boat A intends to overtake or pass another vessel, it may emit a prolonged blast to signal its intention and request the other vessel's cooperation in granting safe passage.

Signal for Restricted Maneuverability: Another use of a prolonged blast is to indicate that Boat A has limited maneuverability due to its size, shape, or operational conditions. This signal is often employed by large vessels, such as ships or barges, to alert other vessels to exercise caution when navigating in their vicinity.

It is important to note that the interpretation of sound signals may vary depending on the specific rules and regulations of the maritime jurisdiction in which Boat A is operating. Vessel operators must be familiar with the applicable regulations and conventions to correctly interpret and respond to different sound signals.

To ensure safe and efficient communication among vessels, the International Regulations for Preventing Collisions at Sea (COLREGs) provide standardized guidelines for the use of sound signals. These regulations establish rules for various sound signals, including prolonged blasts, short blasts, and combinations of blasts, to facilitate clear communication and prevent collisions at sea.

In summary, a prolonged blast emitted by Boat A using an efficient sound-producing device can indicate a warning signal, a request for passage, or signal restricted maneuverability. The specific meaning of the signal depends on the context and applicable maritime regulations and conventions.

Learn more about prolonged blast here

https://brainly.com/question/4358452

#SPJ11

Acceleration is the answer.............