. Define 1 watt power​

The power output of  2.00 kg object is accelerated uniformly from rest to 3.00 m/s while moving 1.5 m across a level frictionless surface is 24.09 watts.

In science, power is the time required to do work or provide energy, expressed as work done W or energy transferred divided by the time interval t - or W/t. A fixed amount of work can be done for a long time with a low-powered engine, or for a short time with a high-powered engine. The unit of power is work (or energy) per unit of time. Such as foot pounds per minute, joules (or watts) per second, and ergs per second. Force can also be expressed as the product of the force required to move an object and the object's velocity in the direction of the force. If the magnitude of the force F is measured in pounds and the velocity ν is measured in feet per minute, then the power is equal to Fν foot pounds per minute.

Given,

Mass of object (m) = 2.00 kg

Distance covered (s) = 1.5 m

Velocity of object (v) = 3.00 m/s

For calculation of acceleration:

v² = u² + 2as

3² = 0 + 2 × a × 1.5

9 = 3a

a = 2 m/s²

For calculation of time:

s = ut + ¹/₂at²

1.5 = 0 × t + ¹/₂ × 2 × t²

1.5 = t²

t = 1.22 sec.

For calculation of gravitational force:

F = mg

F = 2 × 9.8

F = 19.6 N

For calculation of work done:

W = F × s

W = 19.6 × 1.5

W = 29.4 J

For calculation of power output:

P = W/t

P = 29.4/1.22

P = 24.09 watts

To know more about power output, visit:

https://brainly.com/question/287674

#SPJ1

Answer:

abhi ham logo KO madam ne Padaya nahi hai

Explanation:

1. W = F x D

F = W/D

F = 120/6 = 20Newton

2. P. E = mgh

P. E = 1.5x10x2 = 30Joules

3. It means that the energy the body possesses at that point is 20Joules

Answer: Equilibrium is the state in which market supply and demand balance each other, and as a result prices become stable. The balancing effect of supply and demand results in a state of equilibrium.

This is the answer please ap mujhe follow kar lo please

\(▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪\)

Gravitational Potential Energy of an object is calculated by formula ~

\( \large\boxed{\sf P = mgh}\)

where,

Now, let's calculate its potential energy ~

Answer:

Potential Energy of an object is calculated by formula:

Where,

Now, let's solve the question.

Given,

Now,

We know that,

Potential Energy (P.E)=mgh

\( = 3500 \times 10 \times 4\)

\( = 3500 0\times 4\)

\( =140000 joules \)

\(\mathfrak{\blue{DisneyPrincess29}}\)

The merry-go-round takes approximately 29.41 seconds to complete 2.00 rotations.

Given data:

Acceleration (α) = 0.135 rad/\(s^2\)

Number of rotations (θ) = 2.00

To find the time taken (t) for 2.00 rotations, we need to use the formula:

θ = 0.5 * α * \(t^2\)

Rearranging the formula, we get:

\(t^2\) = (2 * θ) / α

Plugging in the given values, we have:

\(t^2\) = (2 * 2.00) / 0.135

\(t^2\) = 29.63

Taking the square root of both sides, we find:

t ≈ √29.63

t ≈ 5.439

Therefore, the time taken for the merry-go-round to complete 2.00 rotations is approximately 5.439 seconds.

Note: It's important to round the final answer to an appropriate number of significant figures, considering the given data. In this case, we have used four significant figures in the final answer.

However, if we want to adhere to the given significant figures in the acceleration (0.135 rad/\(s^2\)), the answer should be rounded to three significant figures. In that case, the final answer would be approximately 5.44 seconds.

For more such questions on seconds, click on:

https://brainly.com/question/29813582

#SPJ8

The abnormal backward flow of gastrointestinal (GI) contents into the esophagus is known as gastroesophageal reflux (GERD) or acid reflux. It occurs when the lower esophageal sphincter fails to close properly, leading to symptoms such as heartburn and regurgitation.

Gastroesophageal reflux, commonly referred to as GERD or acid reflux, is a condition characterized by the abnormal backward flow of GI contents into the esophagus. The esophagus is a muscular tube that connects the throat to the stomach. Normally, a circular muscle called the lower esophageal sphincter (LES) acts as a barrier, preventing the contents of the stomach from moving back into the esophagus. However, when the LES weakens or relaxes inappropriately, it allows stomach acid, digestive enzymes, and partially digested food to flow back up into the esophagus.

This backward flow of stomach contents can cause various symptoms, including heartburn, which is a burning sensation in the chest or throat. Regurgitation, where partially digested food or acid backs up into the mouth or throat, is another common symptom. Other possible symptoms of GERD include chest pain, difficulty swallowing, hoarseness, chronic cough, and a sour taste in the mouth.

Learn more about GERD, below:

https://brainly.com/question/30636282

#SPJ11

Answer:

\(\huge\boxed{\sf v = 0.75\ m / s}\)

Explanation:

Given Data:

Wavelength = λ = 0.25 m

Frequency = f = 3 Hz

Required:

Speed = v = ?

Formula:

v = fλ

Solution:

v = (3)(0.25)

v = 0.75 m / sec

\(\rule[225]{225}{2}\)

Hope this helped!

Answer: C for all of them

Explanation:

Because I'm smart

Jk

So basically its beacuse all of them have the same mixture since science can be interrelated and interchangebale in terms of formulas ok bye now

Thanks

Hope this helped you

Or not

Sorry if it didn't ig

Work done on the cart by friction can be calculated by multiplying the magnitude of the frictional force by the displacement of the cart. In this case, the work done by friction is -700 J.

The work done by a force is given by the equation:

Work = Force * Displacement * cos(θ)

where Force is the magnitude of the force, Displacement is the magnitude of the displacement, and θ is the angle between the force and the displacement.

In this scenario, the frictional force is 35.0 N and the displacement of the cart is 20.0 m. The angle between the force and displacement is 40 degrees below the horizontal, which means the angle is -40 degrees.

To calculate the work done by friction, we substitute the given values into the equation:

Work = 35.0 N * 20.0 m * cos(-40°)

Using the cosine function with the negative angle, we find that cos(-40°) is equal to cos(40°).

Work = 35.0 N * 20.0 m * cos(40°)

Calculating this expression, we determine that the work done on the cart by friction is approximately -700 J.

Therefore, the work done on the cart by friction is -700 J, indicating that the frictional force acts in the opposite direction of the displacement, resulting in negative work.

Learn more about force here:

https://brainly.com/question/29787329

#SPJ11

Given values are:

As we know the formula,

→ \(\Sigma f = ma\)

or,

→ \(\Sigma f = \frac{mv^2}{r}\)

By putting the values, we get

         \(= \frac{52\times 8^2}{1.6}\)

         \(= \frac{52\times 64}{1.6}\)

         \(= 2080 \ N\)

Thus the response above is appropriate.

Learn more about force here:

https://brainly.com/question/14109330

Answer: Velocity = v = 35 m/s

Explanation:

Kinetic energy of an object is defined as the energy possess by an object due to its motion. Kinetic energy K.E of an object is equal to the half of the mass of that object multiplied by square of the object's velocity.

Mathematically,

v = 35 m/s

Explanation:

Soln:-

Given:-

Volume(v)=5.0cm^3

mass(m)=13.5 gm

density (d)=?

We know that,

d=m÷v

=(13.5÷5)g/cm^3

=2.7g/cm^3

Hence, the required density of aluminum is 2.7g/cm^3.

a) Answer:

Momentum = 6 kgm/s

Explanation:

Momentum = mass × velocity

Given that,

Therefore, momentum = (0.02 × 300)kgm/s

Momentum = 6 kgm/s

b) Answer:

Momentum =80 kgm/s

Explanation:

Momentum = mass × velocity

Given that,

Therefore, momentum = (40 × 2)kgm/s

Momentum = 80 kgm/s

c) Answer:

Momentum = 800 kgm/s

Explanation:

Momentum = mass × velocity

Given that,

Therefore, momentum = (200 × 4)kgm/s

Momentum =800 kgm/s

moon has a weaker gravitational force than Earth, a greater mass is required for the other ball to have the same weight of 1.5 N on the moon.

Based on the information given, we cannot determine which ball has a greater mass. Weight is affected by both mass and gravity, so a baseball may weigh the same as a different type of ball on the moon due to the weaker gravitational pull.

Therefore, we need additional information about the mass of each ball to compare them accurately.
Based on the information provided, the other type of ball has a greater mass. This is because it weighs 1.5 N on the moon, while the baseball weighs 1.5 N on Earth. Since the moon has a weaker gravitational force than Earth, a greater mass is required for the other ball to have the same weight of 1.5 N on the moon.

To know more about gravitational force click here:

brainly.com/question/12528243

#SPJ11

Answer:

1. The stone will strike the ground 49.46 m from the base of the cliff

2. A) Approximately 0.542 seconds

B)  Approximately 3.69 m/s

3. A) The time the ball spends in the air is approximately 4.0775 s

B) The horizontal range is approximately  141.25 m.

Explanation:

1. The time it takes the stone to land is given by the equation, t = √(h/(1/2 × g)

∴ t = √(30/(1/2 × 9.81)) ≈ 2.473 seconds

The horizontal distance covered by the stone in that time = 20 × 2.473 ≈ 49.46 m

The stone will strike the ground 49.46 m from the base of the cliff

2. A) The time the ball spends in the air = t = √(h/(1/2 × g)

∴ t = √(1.44/(1/2 × 9.81)) ≈ 0.542 seconds

B) The initial horizontal velocity, u = Horizontal distance/(Time) = 2/0.542 ≈ 3.69 m/s

The initial horizontal velocity ≈ 3.69 m/s

3. A) The time the ball spends in the air is given by the following equation;

t = 2 × u × sin(θ)/g = 2 × 40 × sin(30)/9.81 ≈ 4.0775 s

t ≈ 4.0775 s

B) The horizontal range, R, of the  ball is given by the equation for the range of a projectile as follows;

\(Range, R = \dfrac{u^2 \times sin (2 \cdot \theta) }{g}\)

Substituting the known values, gives;

\(Range, R = \dfrac{40^2 \times sin (2 \times 30^{\circ}) }{9.81} \approx 141.25 \ m\)

The horizontal range ≈ 141.25 m.

By studying the emission, reflection, refraction, and absorption of energy from objects, scientists can gather valuable information about their properties, composition, and behavior.

We can learn about objects of interest through matter/energy interaction using various processes such as emission, reflection, refraction, and absorption. Here's how each process provides information:

1. Emission: Objects can emit energy in the form of light or other electromagnetic radiation. By studying the emitted radiation, we can gather information about the object's composition, temperature, and other properties. For example, analyzing the emission spectra of stars helps us determine their chemical composition.

2. Reflection: When light or other forms of energy strike an object, they can bounce off or reflect from its surface. By analyzing the reflected energy, we can gather information about the object's appearance, surface properties, and color. For instance, studying the reflection of radar signals can provide information about the shape and structure of distant objects like planets or asteroids.

3. Refraction: Refraction occurs when energy, such as light, passes through a medium and changes direction. By observing how light bends or changes its path while passing through an object, we can learn about its optical properties and the medium it interacts with. Refraction is utilized in techniques like spectroscopy to analyze the composition of materials.

Absorption: When energy interacts with an object, it can be absorbed by the object's atoms or molecules. The absorption spectrum of an object provides information about the specific wavelengths of energy it absorbs. This allows us to identify the presence of certain elements or compounds. Absorption spectroscopy is commonly used in chemistry, astronomy, and other scientific fields to identify substances based on their unique absorption patterns.

By studying the emission, reflection, refraction, and absorption of energy from objects, scientists can gather valuable information about their properties, composition, and behavior. These techniques are widely used across various scientific disciplines, including astronomy, chemistry, remote sensing, and materials science.

To learn more about Refraction click here

https://brainly.com/question/13088981

#SPJ11

The result of part (a) does not contradict the results of parts (b) and (c) because they provide different information about the quantum particle in the infinitely deep square well. The energy levels are quantized and determined by the wave function, while the probability density and expectation value of the position are determined by the specific form of the wave function.

In order to argue that the result of part (a) does not contradict the results of parts (b) and (c), we need to consider the given wave function ψ₂(x) = √2/L sin(2πx/L) for 0 ≤ x ≤ L and zero otherwise.

(a) In part (a), the result is that the energy of the particle in the square well is quantized, meaning it can only have certain discrete energy levels. This is determined by the equation E = (n²π²ħ²)/(2mL²), where n is the quantum number, ħ is the reduced Planck's constant, m is the mass of the particle, and L is the length of the well.

(b) In part (b), the result is that the probability density |ψ(x)|² represents the likelihood of finding the particle at a particular position x. In this case, the probability density is given by |ψ₂(x)|² = (2/L) sin²(2πx/L) for 0 ≤ x ≤ L and zero otherwise. The probability density is highest at the antinodes of the sine function and lowest at the nodes.

(c) In part (c), the result is that the expectation value of the position  is determined by the integral ∫x|ψ(x)|² dx over the range of 0 to L. For the given wave function ψ₂(x), the calculation of  leads to a value of L/2, which is the midpoint of the well.

Now, to argue that the result of part (a) does not contradict the results of parts (b) and (c), we need to consider the relationship between the energy levels, probability density, and expectation value of the position.

The wave function ψ₂(x) is a standing wave pattern with nodes and antinodes. The nodes represent points where the probability density is zero, indicating that the particle is unlikely to be found at those positions. The antinodes, on the other hand, represent points where the probability density is highest, indicating a higher likelihood of finding the particle at those positions.

The energy levels of the particle in the square well are determined by the wave function, and each energy level corresponds to a specific standing wave pattern. The different energy levels have different numbers of nodes and antinodes, leading to different probabilities of finding the particle at different positions within the well.

So, while the energy levels are quantized and determined by the wave function in part (a), the probability density and expectation value of the position are determined by the specific form of the wave function in parts (b) and (c). These quantities provide information about the likelihood of finding the particle at different positions within the well, and they do not contradict the quantization of energy levels.

To know more about wave function refer to

https://brainly.com/question/33443431

#SPJ11

N₂ / N₁ = 13.3

A transformer is a device that changes the voltage in the primary, causing a voltage to be induced in the secondary. The expression for this voltage ratio is

ΔV₂ = N₂ /N₁ ΔV₁

where N is the number of windings on each side and V2 and V1 are the voltages in the secondary and primary, respectively.

They state that the primary voltage in this instance is 9.0 V and the secondary voltage is 120 V.

ΔV₂ /ΔV₁ = N₂ / N₁

N₂ / N₁ = 120/9

N₂ / N₁ = 13.3

Learn more about  voltage here brainly.com/question/16774947

#SPJ4.

A 9.0-V battery (with nonzero resistance) and switch are connected in series across the primary coil of a transformer. The secondary coil is connected to a light bulb that operates on 120 V. Determine the ratio of the secondary to primary turns needed for the bell's transformer. Determine the ratio of the secondary to primary turns needed for the bells transformer. Ns/Np=?

When thermal energy is removed from particles, then the particles' kinetic energy decreases (Option D).

The expression particles' kinetic energy makes reference to the amount of motion energy (i.e. energy in movement) that contain the particles of an object, which depends on the temperature of the material.

In conclusion, when thermal energy is removed from particles, then the particles' kinetic energy decreases (Option D).

Learn more about particles' kinetic energy here:

https://brainly.com/question/17978589

#SPJ1

2.6×10\(^-8\) Ωm,A long, flat wire is used as a rear window defroster and is bonded to the window's interior surface.

Electrical resistivity is a measurement of a material's degree of resistance to current flow. The SI unit for electrical resistivity is the ohm meter (m). It is frequently represented by the Greek letter rho. Materials that easily transmit current and have a low resistance are called conductors.

Length of the wire, l = 12.2 m

width of the wire, w = 1.8 mm

Thickness of the wire, T = 0.11 mm

Potential difference of the battery, v = 12 V

Current in battery, I = 7.5 A

Ohms law says, V = IR.

So that, R = V/I

R = 12/7.5 = 1.6 Ω

The Greek letter rho is frequently used to represent resistance, which is numerically equivalent to the resistance R of a wire-like specimen, multiplied by its cross-sectional area A, and divided by its length.

Resistivity if a material is:

ρ = RA/l

ρ = [1.6 × 1.8 × 10\(^-3\) × 0.11×10\(^-3\)] / 12.2

ρ = (3.168×10\(^-7\)) / 12.2

ρ = 2.596×10\(^-8\)

Therefore, the resistivity of the wire is 2.60×10\(^-8\) Ωm

Resistivity of the wire is 2.60*10^-8 Ωm

Given:

Length of the wire, I = 12.2 m

width of the wire, w = 1.8 mm

thickness of the wire, T = 0.11 mm

Potential difference of the battery, v = 12

Current in the battery, I = 7.5 A

To Find:

Resistivity

Solution: A characteristic property of each material, resistivity is useful in comparing various materials on the basis of their ability to conduct electric currents.

Remember, Ohms law says, V = IR

So that, RV/I

R = 12/7.5= 1.6 Q

Resistivity if a material is

p = RA/I

p = [1.6 * 1.8*10^-3* 0.11*10^-3] / 12.2

p = (3.168*10^-7)/12.2

p = 2.596*10^-8

Therefore, the resistivity of the wire is 2.60*10^-8 Ωm

Learn more about Resistivity here:

https://brainly.com/question/13735984

#SPJ4

Contact electrification occurs any time two objects with different levels of charge make physical contact.

Contact electrification is a word that describes a phenomenon wherein surfaces end up electrically charged, thru a number of viable mechanisms, while  or greater objects come within near proximity of one another.

Static electricity is created while effective and bad costs aren't balanced. Protons and neutrons do not circulate around tons, however electrons love to jump all around the place. Whilst an item has greater electrons, it has a poor price.

Static electricity is an imbalance of electrical costs with in or at the surface of a material. The rate stays till it could pass away by an electric powered current or electric discharge.

Learn more about Static electricity here:- https://brainly.com/question/4918499

#SPJ4

Answer:

The number of molecules displaced by a vibration creates the amplitude of a sound. The strength or level of sound pressure. The number of molecules in the sound wave in b is greater than the number in the sound wave in a, therefore the amplitude of the sound wave in b is greater.

Explanation:

The method we use to represent the motion of an object in more than one direction is called vector addition.

To explain how objects move in more than one direction, it is essential to break down the motion into several one-dimensional motions.

The method we use to represent the motion of an object in more than one direction is called vector addition. The technique involves describing a two-dimensional motion using two one-dimensional descriptions.

Horizontal motion has constant velocity (no acceleration). The acceleration due to gravity is the only factor affecting vertical motion, which is the free-fall acceleration. It's the same for all objects on Earth: 9.81 m/s².

In such cases, it is crucial to calculate the initial velocity's vertical and horizontal components separately. The initial velocity's vertical and horizontal components are determined using the sine and cosine functions, respectively.

To separate the vertical and horizontal motions, we multiply the time by each of these velocities.

To learn more about direction, refer below:

https://brainly.com/question/32262214

#SPJ11

There are three types of lunar eclipses: total, partial, and penumbral.

During a total lunar eclipse, the moon is completely shadowed by the Earth, resulting in a reddish-brown color. In a partial lunar eclipse, only a portion of the moon is shadowed, while in a penumbral lunar eclipse, the moon passes through the Earth's outer shadow, resulting in a subtle darkening of the moon's surface. These classifications are based on the degree to which the moon passes through the Earth's shadow during the eclipse.

To know more about lunar eclipse, here

brainly.com/question/29775053

#SPJ4

Answer:

700N

Explanation:

mass= 70kg

g=10m/s²

weight=mg

=70×10

=700N

The catch in this one is:  We don't know how much force the student used to push the bike.  

It wasn't necessarily the 100N.  That's just the weight of the bike. But you know that you can push a car, a wagon, or a bicycle hard, you can push it not so hard, you can give it a little push, you can give it a big push, you can push it strong, you can push it weak, you can push it medium.  The harder you push, the more it'll accelerate, but it's completely up to you how hard you want to push.  That's what's so great about wheels !  That's why they were such a great invention ! This is where I made my biggest mistake. This guy came into my store one day and said he's got this great invention, it's definitely going to take off, it'll be a winner for sure, he called it a "wheel".  I looked at it, I turned it over and I looked on all sides. I thought it was too simple.  I didn't know then it was elegant. I threw him out.  I was so dumb.  I could have invested money in that guy, today I would have probably more than a hundred dollars.

Anyway, can we figure out how much force the student used to push with ?  Stay tuned:

-- The bike covered 15 meters in 5 seconds.  Its average speed during the whole push was (15m/5s) = 3 meters/sec.

-- If the bike started out with no speed, and its average speed was 3 m/s, then it must have been moving at 6 m/s at the end of the push.

-- If its speed increased from zero to 6 m/s in 5 seconds, then its acceleration was (6m/s / 5 sec) = 1.2 m/s²

-- The bike's weight is 100N.  

(mass) x (gravity) = 100N

Bikemass = (100N) / (9.8 m/s²)

Bikemass = 10.2 kilograms

-- F = m A

Force = (mass) x (acceleration)

Force = (10.2 kg) x (1.2 m/s²)

Force = 12.24 N

-- Work = (force) x (distance)

Work = (12.24 N) x (15 m)

Work = 183.67 Joules

-- Power = (work done) / (time to do the work)

Power = (183.67 joules) / (5 seconds)

Power = 36.73 watts

The false statement is B) Homolytic bond cleavage yields neutral radicals in which each atom gains one electron.

In homolytic bond cleavage, each atom retains one electron from the shared pair of electrons, resulting in the formation of two neutral radicals, where each atom retains its original number of electrons.

No atoms gain or lose electrons in this process.

In a homolytic bond cleavage, a covalent bond is broken, and the shared pair of electrons is split equally between the two atoms involved in the bond.

This results in the formation of two neutral radicals, with each atom retaining one of the electrons from the shared pair.

A radical is a chemical species characterized by the presence of an electron that is unpaired, meaning it does not have a partner electron with which it forms a complete pair. When a covalent bond is homolytically cleaved, each atom involved in the bond gains one electron, resulting in the formation of two radicals.

These radicals are highly reactive due to the presence of the unpaired electron, which makes them prone to participate in further chemical reactions.

It's important to note that in homolytic bond cleavage, there is no transfer of electrons from one atom to another.

Instead, the bond is broken in a way that allows each atom to retain one of the electrons, leading to the formation of two neutral radicals.

Therefore, statement B, which suggests that each atom gains one electron, is false.

Learn more about electron at: https://brainly.com/question/860094

#SPJ11

The linear velocity of the wheel is 16 m/s.

Linear velocity is the rate of change of displacement with regard to time when the object is moving in a straight line

To calculate the linear velocity of the wheel, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, The linear velocity of the wheel is 16 m/s.

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