Does the mean molecular speed change as much as the temperature as the water heats up?

The work done on the uniform log is 2425.5 J.

Length of the uniform log, L = 3.3 m

Mass of the uniform log, m = 150 kg

The mechanical work required to lift the uniform log is provided by the potential energy of the log.

The energy that an object possesses because of its position in relation to other objects, internal tensions, electric charge, or other reasons is referred to as potential energy. When we move them out of their equilibrium state, they gain some energy.

The expression for the work done on the uniform log is given by,

W = F.s

W = mg L/2

W = 150 x 9.8 x 3.3/2

W = 4851/2

W = 2425.5 J

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Answer:

Explanation:

ur welcomeee ♥️♥️

Answer: C.

The buoyant force is stronger than the force of gravity.

Explanation:because I did it

Answer:

Transform= not destroyed or created  

Divergent= crust created  

Convergent= crust destroyed

Explanation:

The plates move in the opposite or away from each other at a transforming plate boundary. The two platform borders are not produced or destroyed in this case. As both plates converge on each other and thus destroy the plates for converging plate boundaries. When the plate is divergent, both plates shift away from each other by opening up and solidification for a new crust.

Answer:

Transform= not destroyed or created  

Divergent= crust created  

Convergent= crust destroyed

Explanation:

Explanation:

The change in an object's momentum is equal to the final momentum minus the initial momentum.

The momentum of an object is given by the product of its mass and velocity:

Initial momentum = mass * initial velocity

Final momentum = mass * final velocity

Given:

Mass of the tennis ball = 5.69x10^-2 kg

Initial velocity = 13 m/s

Final velocity = -18 m/s (opposite direction)

Let's calculate the initial momentum and final momentum:

Initial momentum = (5.69x10^-2 kg) * (13 m/s)

Final momentum = (5.69x10^-2 kg) * (-18 m/s)

Now, let's calculate the change in momentum:

Change in momentum = Final momentum - Initial momentum

Plugging in the values:

Change in momentum = [(5.69x10^-2 kg) * (-18 m/s)] - [(5.69x10^-2 kg) * (13 m/s)]

Performing the calculation will give you the change in the ball's momentum.

Hope I helped

The power of the rope pulling the crate when raised 5 meters is 9.97 * 10³ W.

Assuming it's being pulled straight up at 3 m/s²

P = Fv so we need the force and the velocity.

F = ma and since it is accelerating upwards, the rope has to deliver a force greater than gravity sufficient to make it accelerate.  F = mg + ma = m(g + a) = (140 kg)(13 m/s²) = 1820 N.

From kinematics, v = (2ad)\(^{1/2}\) = ((2 * 3 m/s²)(5 m))\(^{1/2}\) = 5.48 m/s

So at that point, power = (1820 N)(5.48 m/s) =9.97 * 10³ W.

It is defined as the amount of energy expended per unit of time and is measured in watts (W). Power is essential in many areas of physics, from mechanical systems to electrical circuits. It can be calculated using various formulas, depending on the specific situation. The concept of power is closely related to energy and is an essential consideration in many engineering and technological applications.

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The cable being run between the two wiring closets is most likely a fiber optic cable.

Fiber optic cables are used for high-speed data transmission over long distances. They consist of a core of optically transparent material, such as glass or plastic, surrounded by a cladding material that reflects light back into the core.

The core and cladding are protected by an outer jacket or sheath that provides physical protection and insulation. Fiber optic cables are preferred for long-distance communication because they are less susceptible to interference and signal degradation than copper cables.

They are also able to transmit data at much higher speeds and over longer distances without the need for signal repeaters.

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The condition for the first dark fringe through a single slit of width w is when the path difference between the rays passing through the top and bottom edges of the slit is half a wavelength, which causes destructive interference and results in a dark band on the screen.

This can be expressed mathematically as sin θ = λ/w, where θ is the angle between the direction of the incoming light and the direction of the diffracted light, λ is the wavelength of the light, and w is the width of the slit.

The condition for the first dark fringe in a single-slit diffraction pattern occurs when the path difference between adjacent rays is equal to half the wavelength (λ/2). This can be represented by the equation:

sin(θ) = λ/(2w)

where θ is the angle of the first dark fringe, λ is the wavelength of the light, and w is the width of the slit.

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Explanation:

Multiply the time by the acceleration due to gravity to find the velocity when the object hits the ground. If it takes 9.9 seconds for the object to hit the ground, its velocity is (1.01 s)*(9.8 m/s^2), or 9.9 m/s

Answer:

800 feet per sec.

Explanation:

Converting it over from 105.1mph to ft per sec is only about 154.15fps.

Answer:

Elevate the wound.

Hope this helped!

Answer: A- The technology or tools available to test scientific claims. I just took this test and passed.

When the difference is small, that is the starting orbit is just one level above the ending orbit, the wavelength of the photon will have a relatively small value.

Atomic emission is the process of light emission from an atom that occurs when the atom gets excited by either heating, bombarding with electrons, or a discharge of electric current. When an atom is excited, the electrons gain energy and move to a higher energy level or shell. When they return to the lower energy state, they emit energy in the form of electromagnetic radiation or light.

The energy of the emitted photon or light is directly proportional to the difference in the energy levels of the atom before and after the emission process. The relationship is given by:E=hfwhere E is the energy of the emitted photon, h is the Planck's constant, and f is the frequency of the emitted photon. The frequency of the emitted photon can be calculated using the formula:f=c/λwhere c is the speed of light and λ is the wavelength of the photon.

Thus, for an atom to emit radiation of a particular wavelength, the difference in energy levels of the atom must correspond to that wavelength. If the difference is small, the wavelength of the emitted photon will also be small, and if the difference is large, the wavelength of the emitted photon will be large.

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The Porsche taycan turbo S can accelerate at 35.71 m / s² and the Tesla P100D can accelerate at 42.35 m / s². Tesla P100D will be faster after 2 seconds.

a = ( v - u ) / t

a = Acceleration

v = Final velocity

u = Initial velocity

t = Time

For Porsche taycan turbo S,

u = 0

v = 100 km / h

t = 2.8 s

a = ( 100 - 0 ) / 2.8

a = 35.71 m / s²

For Tesla P100D,

u = 0

v = 60 mi / h = 96.56 km / h

t = 2.28 s

a = ( 96.56 - 0 ) / 2.28

a = 42.35 m / s²

At t = 2 sec,

\(v_{P}\) = \(a_{P}\) * t

\(v_{P}\) = 35.71 * 2

\(v_{P}\) = 71.42 m / s

\(v_{T}\) = \(a_{T}\) * t

\(v_{T}\) = 42.35 * 2

\(v_{T}\) = 84.7 m / s

\(v_{T}\) > \(v_{P}\)

Therefore,

(a) The Porsche taycan turbo S can accelerate at 35.71 m / s² and the Tesla P100D can accelerate at 42.35 m / s²

(b) Tesla P100D will be faster after 2 seconds.

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Answer:

A. 24.5 m/s

B. 30.63 m

Explanation:

A. Determination of the vertical velocity of the apple.

Initial velocity (u) =?

Time (t) = 2.5 s

Acceleration due to gravity (g) = 9.8 m/s²

Vertical velocity (v) =?

v = u + gt

v = 0 + (9.8 × 2.5)

v = 0 + 24.5

v = 24.5 m/s

Thus, the vertical velocity of the apple is 24.5 m/s.

B. Determination of how far the apple has fallen.

Time (t) = 2.5 s

Acceleration due to gravity (g) = 9.8 m/s²

Height (h) =.?

h = ½gt²

h = ½ × 9.8 × 2.5²

h = 4.9 × 6.25

h = 30.63 m

Thus, the apple has fallen 30.63 m in 2.5 s.

The wild offers more natural structures and temperatures that keep animals adapted to their surroundings. However, in captivity animals tend to differ from their wild counterparts. For one thing, the wild cultivates an animal's hunting skills but, when or if they are releasing into the wild, they do not know what to do whereas they have been sheltered their entire life. They don't know how to find natural structures to keep warm in, what places are safe or even survival strategies. The conditions in the wild teach an animal to survive while the conditions from man-made structures just give them an easy survival.

Hope this helps and have a nice day.

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(a) The initial temperature is 373.95 K.

(b) The final temperature is 546.15 K.

(c) The total internal energy change of the fluid during this process is 515.4 kJ.

(d) The process can be represented as an isochoric heating process on the P-v diagram and as an isobaric expansion process on the T-v diagram.

(a) To find the initial temperature, we can use the saturated steam tables. At a pressure of 200 kPa, the corresponding saturation temperature is 373.95 K.

(b) Since the volume doubles, the process is an isochoric (constant volume) heating process. Using the ideal gas law, we can determine the final temperature. The initial and final volumes are related by the equation V_final = 2V_initial. Since the mass remains constant, the specific volume (v) is inversely proportional to the density (ρ). Therefore, ρ_final = ρ_initial/2. Using the ideal gas law, we can calculate the final temperature to be 546.15 K.

(c) The total internal energy change can be calculated using the equation ΔU = mC_vΔT, where m is the mass of the fluid and C_v is the specific heat at constant volume. Given the mass as 0.5 kg, the specific heat of water at constant volume, and the temperature change, we can find that the total internal energy change is 515.4 kJ.

(d) On the P-v diagram, the process is represented as a vertical line at 200 kPa, indicating constant pressure. On the T-v diagram, the process is shown as an upward-sloping line, indicating an isobaric expansion process. The initial state is represented as a point on the left, and the final state is represented as a point on the right. The path between the initial and final states is a straight line connecting these two points.

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Answer:

The angle of projection is 12.26⁰.

Explanation:

Given;

initial position of the dart, h₀ = 1.50 m

height above the ground reached by the dart, h₁ = 1.73 m

maximum height reached by the dart, Hm = h₁ - h₀ = 1.73 m - 1.50 m= 0.23 m

velocity of the dart, u = 10 m/s

The maximum height reached by the projectile is calculated as;

\(H_m = \frac{u^2sin^2 \theta}{2g}\)

where;

θ is angle of projection

g is acceleration due to gravity = 9.8 m/s²

\(H_m = \frac{u^2sin^2 \theta}{2g}\\\\sin^2 \theta = \frac{H_m \ \times \ 2g}{u^2} \\\\sin^2 \theta = \frac{0.23 \ \times \ 2(9.8)}{10^2} \\\\sin ^2\theta =0.04508\\\\sin \theta = \sqrt{0.04508} \\\\sin \theta = 0.2123\\\\\theta = sin^{-1}(0.2123)\\\\\theta = 12.26^0\)

Therefore, the angle of projection is 12.26⁰.

Answer:

C

Explanation:

The statement that best summarizes the law of conservation of energy before and after a change in a system is C. PE (initial) = PE (final) and KE (initial) = KE (final).

The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another. This means that the total amount of energy in a closed system remains constant over time.

In statement C, the potential energy (PE) and kinetic energy (KE) of the system are conserved separately. This means that the initial potential energy is equal to the final potential energy, and the initial kinetic energy is equal to the final kinetic energy.

Statement A is incorrect because it implies that the total energy of the system changes, which violates the law of conservation of energy. Statement B is also incorrect because it implies that the potential energy and kinetic energy are equal at both the initial and final states, which may not be true in all cases. Statement D is incorrect because it combines the initial and final energies in a way that does not conserve the total energy of the system.

Answer:

25kJ

Explanation:

K = 1/2 mv^2 = 1/2 x 2000kg x (5.0m/s)^2

= 25 x 10^3 J = 25kJ

Given the provided information, the expected production rate is calculated as q = 1008.6 bbl/ and the corresponding bottom-hole pressure is Pwf = 5022.5 psi.

To calculate the expected production rate, we can use the IPR equation Pwf = 5651 - 5.58q, where Pwf represents the bottom-hole pressure and q represents the production rate. We are given the wellhead pressure as 150 psi, which can be substituted into the equation. Solving for q, we find that q = (5651 - Pwf) / 5.58. Substituting the wellhead pressure of 150 psi, we get q = (5651 - 150) / 5.58. Therefore, the expected production rate is calculated as q = 1008.6 bbl/day.

To calculate the corresponding bottom-hole pressure, we substitute the production rate q into the IPR equation and solve for Pwf. Pwf = 5651 - 5.58 * 1008.6. Therefore, the corresponding bottom-hole pressure is calculated as Pwf = 5022.5 psi.

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Answer:

The expected time is 2.28 hours.

Explanation:

The speed of storm = 35 km/hr

The distance between the house and the storm = 80 km.

Now, we have to find the time taken by storm to arrive at the house. Here, we can determine the time by dividing the distance with speed.

The time, taken by storm =  Distance/speed

The time, taken by storm = 80 / 35

The time, taken by storm = 2.28 hours.

Assuming the speed of the wave is taken as the speed of sound wave in air that is 340 m/s. The wavenumber for 262 Hz is 0.77 m⁻¹ and that for 294 Hz is 0.86 m⁻¹ .

The wave number of a wave is the number of wavelengths passing through unit length. It is the inverse of wavelength.

Wave number is directly proportional to the frequency.

The relation between frequency and wave number is written as:

wave number = ν/v

where v is the speed of the wave and ν is the frequency.

The wave number of the wave with the frequency of 330 Hz is then,

330 Hz/ 340 m/s = 0.97  m⁻¹

and for the remaining frequencies:

349 Hz /340 m/s =  1.052  m⁻¹

for 392 Hz,

392 Hz/340 m/s = 1.15  m⁻¹

For 440 Hz,

440 Hz/340 m/s = 1.29  m⁻¹.

for 494 Hz,

494 Hz/340 m/s = 1.45  m⁻¹

and  for 523 Hz,

523 Hz/340 m/s = 1.53  m⁻¹

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Answer:

the answer is sublimation

Answer:

Formulae of force

Force=mass×acceleration

F=200kg×40m/s^2

F=8,000N

N means Newton

Answer:

8000 N

Explanation:

Force = mass × acceleration

→ F = m a

Given :-

Mass, m = 200 kg

acceleration, a = 40m/s²

F = 200 × 40

F = 8000 N

Answer:

The velocity of the bullet and the sack after the bullet hits the sack is [0.2,0.2] m/s.

Explanation:

To calculate the velocity of the bullet and the sack after the bullet hits the sack, we can use the equation:

vf = (m1 * v1 + m2 * v2) / (m1 + m2)

Plugging in the values given in the question, we get:

vf = (0.01 kg * [230,0] m/s + 9.99 kg * [0,0.2] m/s) / (0.01 kg + 9.99 kg)

Solving for vf, we get:

vf = [0.2, 0.2] m/s

Therefore, the velocity of the bullet and the sack after the bullet hits the sack is [0.2,0.2] m/s.

The initial and final momentum of a body will be conserved during collision. From this concept, the final velocity of the bullet and sack is 2.5 m/s.

Momentum is the product of mass and velocity of a body.  During a collision of two bodies, the sum of initial momentum of the two bodies will be equal to the sum of their final momentum.

Given that, mass of bullet = 0.01 Kg

velocity = 2300 m/s

mass of sand sack = 9.99 Kg

velocity = 0.2 m/s

Then sum of initial momentum = (0.01 kg × 2300 m/s) + (9.99 kg × 0.2 m/s) = 24.9 kg m/s.

The final momentum of the combined mass  = (9.99 kg + 0.01 kg) v = 24.9 Kg m/s

Thus, final velocity v = 24.9 / ( (9.99 kg + 0.01 kg) = 2.5 m/s

Therefore, the velocity of the bullet and sack after the collision will be 2.5 m/s.

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The period of y for two satellites that are being watched as they orbit the planet is 22.63 times, and if the period of rotation of satellite x is T, satellite y.

Is four times as far from the Centre of the earth as satellite x. A satellite, often known as an artificial satellite, is a spacecraft that has been put into orbit on purpose. With the exception of passive satellites, most spacecraft have a method for producing electricity for the electronics they carry, such as solar cells or radioisotope thermoelectric generators. From above the Northern Hemisphere, Earth circles the Sun in a counterclockwise manner at an average distance of 149.60 million kilometres. It takes 365.256 days to complete one orbit.

Tx/Ty = (rx/ry) 3/2 = (8/1) 3/2 = 8 3/2 where Tx/Ty = (rx/ry) 3/2 =

X's revolution lasts for 8/3 = 22.63 times as long as Y does

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In research, a concept that is challenging to measure or define precisely is called a "construct." Constructs are abstract ideas or concepts that are often used in research to represent phenomena that cannot be directly observed, measured, or quantified.

Constructs are often defined by a set of indicators or measures that are used to operationalize the concept and make it measurable. For example, the construct of "intelligence" is challenging to measure directly, but researchers might use measures of IQ, academic achievement, or problem-solving ability as indicators of intelligence.

Constructs are an essential component of research, particularly in the social sciences, where many of the concepts being studied are abstract and difficult to quantify. By defining and operationalizing constructs, researchers can create more precise and rigorous methods for studying these concepts, which can lead to a deeper understanding of the phenomena being studied.

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Aerodynamics is a way to reduce drag that uses car manufacturers.

Aerodynamics is the motion of the air. airplane flies cause of aerodynamics.

Aerodynamics is the study of forces that are resulted by motion of the air.

To reduce the aerodynamic drag further, the manufacturers use character lines on the exteriors of the car's body right from its concept stage. These lines help the air to pass smoothly over the body and thus, reducing the air resistance.

cars have flat vertical face in front. When it moves through air, drag force directly proportional to the velocity applies on the car which opposes motion of the car. after studding aerodynamics when we make triangular like shape to the front body of the car, it cuts the air and front air goes from side of the car which reduces oppose to the motion, and car can have more speed.  

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Answer:

b and you mom is cute so it's nice I'm here for points

Answer: Potential energy increases because the train moves against the magnetic force.

Explanation:

When the magnetic toy train is moved away from a magnet that cannot move, the potential energy in the system of magnets during the movement is affected as there's an increase in the potential energy because the train moves against the magnetic force.

We should note that the potential energy simply means the energy that is stored in the magnetic toy. Since the magnetic toy has been moved away from the magnet, the likelihood of its attraction will reduce thereby there'll be a rise in the potential energy.