a large body of water, with its large specific heat capacity, requires the addition or removal of a large quantity of heat to change its temperature. the body of water will have a moderating influence on the air temperature in its vicinity. nights at coastal cities will be

Answer:

16 no answer is 50 and 17 no answer is10

Explanation:

first one is 50

second one is 10

please make me brainliest

so when the acceleration of the helicopter will be 10.2 m/s² then the rope

will break down.

Rocks and sticks are valuable tools that hikers utilize to effectively communicate and warn each other of potential trail dangers.

Hikers often use rocks and sticks to create signals for other hikers. These signals serve as a method of communication, allowing hikers to warn each other about trail dangers.

By arranging rocks or sticks in specific patterns or formations, hikers can convey important messages to others on the trail.

For example, they may use rocks to indicate a hazardous section of the trail or sticks to mark a safe path. These signals can help prevent accidents and ensure the safety of all hikers.

Additionally, by using rocks and sticks that are readily available in the environment, hikers can easily create these signals without relying on any additional resources.

In conclusion, rocks and sticks are valuable tools that hikers utilize to effectively communicate and warn each other of potential trail dangers.

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The coefficient of restitution (COR) is a measure of how much kinetic energy is conserved during a collision.

It is defined as the ratio of the outgoing speed to the incoming speed of an object after colliding with a rigid surface. In this case, the coefficient of restitution is 0.78.

To find the fraction of the object's kinetic energy that is lost during a single collision, we can follow these steps:
1. Calculate the ratio of the final kinetic energy (Kf) to the initial kinetic energy (Ki) by squaring the coefficient of restitution (COR). The reason we square the COR is that kinetic energy is proportional to the square of the speed.
  Kf / Ki = COR^2
2. Plug in the given COR value (0.78) into the equation:
  Kf / Ki = (0.78)^2
3. Calculate the value:
  Kf / Ki ≈ 0.6084
4. To find the fraction of the kinetic energy that is lost, subtract this value from 1:
  Fraction of kinetic energy lost = 1 - (Kf / Ki) ≈ 1 - 0.6084 ≈ 0.3916
Therefore, approximately 39.16% of the object's kinetic energy is lost during a single collision with a coefficient of restitution of 0.78.

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Answer:

idk

Explanation:

Answer:

The work done by Joel is greater than the work done by Jerry.

Explanation:

Let suppose that forces are parallel or antiparallel to the direction of motion. Given that Joel and Jerry exert constant forces on the object, the definition of work can be simplified as:

\(W = F\cdot \Delta s\)

Where:

\(W\) - Work, measured in joules.

\(F\) - Force exerted on the object, measured in newtons.

\(\Delta s\) - Travelled distance by the object, measured in meters.

During the first 10 minutes, the net work exerted on the object is zero. That is:

\(W_{net} = W_{Joel} - W_{Jerry}\)

\(W_{net} = F\cdot \Delta s - F\cdot \Delta s\)

\(W_{net} = (F-F)\cdot \Delta s\)

\(W_{net} = 0\cdot \Delta s\)

\(W_{net} = 0\,J\)

In exchange, the net work in the next 5 minutes is the work done by Joel on the object:

\(W_{net} = W_{Joel}\)

\(W_{net} = F\cdot \Delta s\)

Hence, the work done by Joel is greater than the work done by Jerry.

Answer:

1.7

Explanation:

because of the bowling

22.3 kg•m/s is the answer.

Answer:

ga tau gw ah binatang aje

In conclusion, a falling-ball viscometer measures the viscosity of a fluid by observing the fall velocity of a small ball through the liquid. The viscosity can be determined using the provided formula, taking into account the relevant parameters such as density and diameter.

A falling-ball viscometer is a device used to measure the viscosity of a fluid. In this particular viscometer, a small ball of diameter d and density rhob is allowed to fall through a tube filled with the test liquid. The fall velocity of the ball, denoted as v, is measured by calculating the time it takes for the ball to fall a certain distance.
To calculate the viscosity (μ) of the fluid, we use the following formula:
μ = (2/9) * (rhob - rhol) * g * d^2 / v
where rhob is the density of the ball, rhol is the density of the liquid, g is the acceleration due to gravity, and d is the diameter of the ball.
In conclusion, a falling-ball viscometer measures the viscosity of a fluid by observing the fall velocity of a small ball through the liquid. The viscosity can be determined using the provided formula, taking into account the relevant parameters such as density and diameter.

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Explanation:

the switch and the battery

Answer: 60 m/s

Explanation:

KE = 1/2mv^2

v = √ (2KE / m)

v = √ (2 x 36 J)/(0.02 kg)

v = √ 72 J/0.02 kg

v = √ 3600 m/s

v = 60 m/s

The mass of the rock is 0.02 kg and has 36 J of kinetic energy, then the velocity of the rock will be equal to 60 m/s.

Velocity is the movement speed of an item in motion as a measure of the rate at which its location is changing as seen from a certain point of view and as determined by a specific unit of time. A key idea in kinematics, the area of classical physics that studies how bodies move, is velocity.

The definition of velocity requires both its magnitude and its direction because it is a real vector quantity. Speed is a coherently derived unit that is quantified in the SI (measuring units) as meter per second. Speed is the exact scalar number (magnitude) of velocity.

KE = 1/2mv²

Velocity, v = √(2KE/m)

v = √ (2 × 36)/(0.02)

v = √ 2 J/0.02

v = √3600 m/s

The mass of the rock is 0.02 kg and has 36 J of kinetic energy, then the velocity of the rock will be equal to 60 m/s.

Velocity is the movement speed of an item in motion as a measure of the rate at which its location is changing as seen from a certain point of view and as determined by a specific unit of time. A key idea in kinematics, the area of classical physics that studies how bodies move, is velocity.

The definition of velocity requires both its magnitude and its direction because it is a real vector quantity. Speed is a coherently derived unit that is quantified in the SI (measuring units) as meter per second. Speed is the exact scalar number (magnitude) of velocity.

KE = 1/2mv²

Velocity, v = √(2KE/m)

v = √ (2 × 36)/(0.02)

v = √ 2 J/0.02

v = √3600 m/s

v = 60 m/s.

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Answer:

Part C is the first one and Part D is the second one. hope this helps you a lot because i did for me and I got a A+

Explanation:

Positive Outcome :

Cleaner lungs.

Decreased asthma and allergies symptoms.

Improved skin appearance.

Helps digestion.

Psychological and emotional stabilizer.

Better mood and normalized sleep patterns.

Reduce chances of lung, heart, and arterial diseases.

Negative Outcome :

According to the EPA, when we are exposed to high levels of hazardous air pollutants for an extended period of time .

We face a greater risk of suffering serious health effects, including respiratory diseases, neurological disorders, reduced fertility, damage to our immune system, and increased risks of getting cancer.

One of the health hazards that suprised me is that outdoor pollution is associated with hearth attacks. I know that outdoor pollution causes lung problems whether that's asthma attacks or bronchitis, but I didn't know about heart attacks. Apparently, air pollution can trigger heart attacks, stroke, and irregular heart rhythms. People who are already at risk for these conditions are more likely to have any of those. Air pollution causes damage to the inside walls of your blood vessels, causing them to become narrower and harder. Along with that, there are many different positives and negatives that came from the Clean Air Act some of which are more of these one that I explained on the top.

A summary paragraph evaluating the Clean Air Act in terms of cost and effectiveness given below.

The contamination of air or water or land by the human waste or chemicals is called as pollution.

Positive Outcomes are -

Negative Outcome is -

As indicated by the EPA, when we are presented to elevated degrees of perilous air poisons for a lengthy timeframe .

We face a more serious gamble of experiencing serious wellbeing impacts, including respiratory sicknesses, neurological issues, decreased fruitfulness, harm to our insusceptible framework, and expanded dangers of getting malignant growth.

The outside contamination is related with hearth assaults. Open air contamination causes lung issues like asthma assaults or bronchitis . Air contamination can set off coronary episodes, stroke, and sporadic heart rhythms. Air contamination makes harm within walls of your veins, making them become smaller and harder.

Thus, the Clean Air Act is explained.

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Answer:

It is doubled

Explanation:

KE(initial) = 1/2mv²

KE(final) = 1/2(m/2)(2v)²

= mv²

=> It is doubled

The magnitude of the vector with components -14.0 units in the x-direction and 5 units in the y-direction can be calculated using the Pythagorean theorem.

The magnitude of a vector represents its length or size. In the xy plane, the magnitude of a vector with components in the x-direction (horizontal) and y-direction (vertical) can be found using the Pythagorean theorem. The theorem states that the square of the magnitude of a vector is equal to the sum of the squares of its components.

For the given vector with components -14.0 units in the x-direction and 5 units in the y-direction, we can calculate its magnitude as follows:

Magnitude = sqrt(\(14^{2} } +5^{2}\))

Magnitude = sqrt(196 + 25)

Magnitude = sqrt(221)

Magnitude ≈ 14.87 units

Therefore, the magnitude of the vector is approximately 14.87 units. This represents the length or size of the vector in the xy plane, taking into account its components in the x and y directions.

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The planet that moves the fastest in a solar system is the planet nearest the Sun.

The correct option is C. The Planet Nearest The Sun.

What is a Solar System?

A solar system is a collection of planets, moons, comets, asteroids, and other objects that revolve around a single star. The sun is the center of our solar system, and it includes all of the matter and energy that orbits around it, including Earth and all the other planets.

Sun, the star around which Earth and the other planets of the solar system revolve, has a huge gravitational field. Planets move around the sun in a fixed orbit at varying speeds, depending on their distance from the sun. Because planets are closer to the sun, their gravitational pull is greater, resulting in a faster orbital speed for them.

The planet nearest the sun in the solar system is Mercury. Due to its proximity to the sun, it orbits at a speed of around 48 km/s, making it the fastest planet in the solar system, with an orbital period of 88 Earth days.

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Answer: The answer is an electric generator

Explanation:

I just took the quiz and I thought it was an electric motor but the correct answer was an electric generator.

This concept of closed loop wire experiences a changing magnetic field and flowing of current is related to the Faraday's law of electromagnetic induction.

When ever there is a bar magnet inside the wire and the magnet moves relative to the wire there will be an EMF generated in the coil and current can be flown.

similarly by reversing the process if the magnet remains stationary and the coil is moved then again the emf and the current generated in the coil which is called as electromagnetic induction.

This is the basic principle of transformers,generators,motors .

Thus when a closed loop of wire experiences a changing magnetic field a voltage and therefore current is produced.

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Answer:

Another way electromagnetic (EM) waves are like ocean waves is that they both move energy from one place to another. The biggest difference between ocean waves and EM waves is that ocean waves move across water. Energy moves through the water. EM waves don't need anything to move through.

Explanation:

The combined mass of Pluto and its moon Charon are \(1.47\times 10^{18} kg\).

We can use Kepler's third law to relate the orbital period of a moon to the mass of the planet it orbits. According to Kepler's third law, the square of the period of an object's orbit around a central mass is proportional to the cube of the semi-major axis of the orbit. Mathematically, this can be expressed as:

\(T^2 = (4\pi^2/G(M_1 + M_2)) \times a^3\)

where T is the period of the orbit, G is the gravitational constant, \(M_1\)is the mass of Pluto, \(M_2\)is the mass of Charon, and a is the semi-major axis of the orbit.

We know that the period of Charon's orbit around Pluto is 6.4 days and the semi-major axis of the orbit is 19,700 kilometers (or 1.97 x 10^7 meters). Let the combined mass be M.

\(T^2 = (4\pi^2/GM) \times a^3\)

Solving for \(M\), we get:

\(M = (4\pi^2/GT^2) \times (a)^3\)

Substituting the given values, we get:

\(M = \frac{4\pi^2}{6.6743 \times 10^{-11} N(m/kg)^2\times (6.4 days \times 24 hours/day \times 3600 seconds/hour)^2} \times (1.97 x 10^7 m)^3\)

\(M = 1.47\times 10^{18} kg\)

Therefore, the combined mass of Pluto and Charon is approximately \(1.47\times 10^{18} kg\).

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An electric pencil sharpener is a small motorized appliance for sharpening or refreshing the points on lead pencils.

An electric pencil sharpener is a small motorized equipment for polishing or fresh the factors on lead pencils. Within the hollow, a small electric powered motor turns a blade meeting at high velocity. The blades shave wooden and lead from the pencil's cease, bringing it to some extent.

The old-fashioned pencil sharpeners which are established to the wall and cranked through a manage are an instance of a compound system that is composed  simple machines: the wheel and axle and a wedge.

You could sharpen colored pencils in an electric sharpener, however make certain to be very mild with your pencils and often easy your sharpener to put off any wax increase. If performed improperly, sharpening your colored pencils in an electric sharpener can harm each your pencils and your sharpener.

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The minimum angle is such that the ladder may not slip will be 21.80°.

The ratio of the greatest static friction force (F) between the surfaces in contact before movement begins to the normal (N) force is the coefficient of static friction.

The given data in the problem is;

The coefficient of friction between the ladder,(μ)= 0.40N

The minimum angle is such that the ladder may not slip is, Θ

The frictional force must be smaller than the maximal static friction force to prevent slippage. To denote the ratio of the opposite and adjacent sides of the ramp, we'll use constants like.

The minimum angle such that the ladder may not slip is;

tanΘ=μ

Θ=tan⁻¹(μ)

Θ=tan⁻¹(0.40)

Θ=  21.80°

Hence the minimum angle is such that the ladder may not slip will be 21.80°.

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Answer:

Reaction is 20N.

Explanation:

In general, Newton's third law of motion explains that when a force is applied on an object, a reaction of equal magnitude applies in the reverse direction of the force.

i.e F = -R

This implies that, reaction is a force in the opposite direction to that of the force applied.

Force can also be related to the weight of an object as;

F = W = mg

Thus to prevent the 20N stone from falling, a force of 20N is applied in the opposite direction. So the reaction, R is 20N.

Answer:

(below answer)

Explanation:

Suppose we want to know what the Sun is made of. What should we do? Compare the wavelengths of lines in the Sun's spectrum to the wavelengths of lines produced by chemical elements in the laboratory.

If work is done by a system, the internal energy of the system decreases.

In thermodynamics, work is defined as the energy transferred when a force is applied over a distance, resulting in displacement. When work is done by a system, it means that the system has transferred energy to its surroundings, and therefore, the internal energy of the system decreases.

This is because the system has lost some of its internal energy to perform work. Conversely, if work is done on the system, the system gains energy, and the internal energy of the system increases. This is due to the work done on the system by external forces, which increases the system's energy.

The first law of thermodynamics, also known as the law of conservation of energy, states that the total energy of an isolated system remains constant, and therefore, any increase or decrease in the internal energy of a system must be accompanied by an opposite and equal decrease or increase in the energy of its surroundings.

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--The complete question is, if work is done by a system, does the internal energy of the system increase or decrease?--

Answer:

895522 times faster.

Explanation:

From the question given above, the following data were obtained:

Speed of sound in air (v) = 335 m/s

Speed of light in air (c) = 3×10⁸ m/s

How many times faster =.?

To obtain how many times faster light travels in air than sound, do the following

c : v => 3×10⁸ : 335

c/v = 3×10⁸ / 335

c/v = 895522

Cross multiply

c = 895522 × v

From the illustrations made above, we can see that the speed of the light in air (c) is 895522 times the speed of sound in air.

Thus, light travels 895522 times faster than sound in air.

Answer:

A: The distance light travels in one year

OPTION  B IS THE ANSWER

Answer:

The real answer is A 2023 answer -_-

Explanation:

Given data

*The given mass of the ball is m = 0.400 kg

*The given height is h = 3.00 m

*The given spring constant is k = 600.0 N/m

*The value for the acceleration due to the gravity is

The expression for the spring compresses at a distance is given by the conservation of energy as

Substitute the values in the above expression as