Vector B lies in the first quadrant, has a magnitude of 55, and forms a 74 degree angle with respect to the x-axis. What is the x-component and y-component of vector B? Bx= 15: By= 53 Bx= -15: By=-53 Bx= 53: By= 15 Bx= -53: By -15 D u

The base of table is "1.08856 m" far away from the ball land.

Given:

Distance travelled by ball,

Initial velocity,

Acceleration,

Constant speed,

As we know the formula,

→ \(S = ut+\frac{1}{2}at^2\)

By substituting the values, we get

→ \(1.2=\frac{1}{2}\times 9.8t^2\)

→ \(1.2 = 4.9 t^2\)

→    \(t = \sqrt{\frac{1.2}{4.9} }\)

→      \(= 0.4948 \ seconds\)

Let,

→ \(x = 2.2\times t\)

     \(= 2.2\times 0.4948\)

     \(= 1.08856 \ m\)

Thus the solution above is right.

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The correct answer is option B: A thermodynamically reversible process takes place infinitely fast.

Statement A: "All real processes are irreversible" is incorrect. While many real processes tend to be irreversible due to factors such as friction, there are cases where certain processes can be reversible under specific conditions.

Statement B: "A thermodynamically reversible process takes place infinitely fast" is true. In a reversible process, the system is in equilibrium with its surroundings at every step of the process, meaning there are no imbalances or gradients. This allows the process to occur smoothly and without any dissipation of energy, making it theoretically instantaneous.

Statement C: "In a reversible process, the state functions of the system are always much greater than those of the surroundings" is incorrect. In a reversible process, the state functions of the system and the surroundings are equal, as they are in equilibrium with each other.

Statement D: "There is always more heat given off to the surroundings in a reversible process than in an unharnessed one" is incorrect. In a reversible process, the heat exchange between the system and surroundings can be controlled in such a way that the heat transfer is efficient and reversible. The amount of heat given off to the surroundings in a reversible process is not necessarily greater than in an irreversible process.

Therefore, the correct answer is option B: A thermodynamically reversible process takes place infinitely fast.

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At 30 degrees Celsius, a saturated solution of KClO3 will contain approximately 24 grams.

Solution: Plagiarism is the act of taking someone else's work or ideas and passing them off as your own. It is an unethical practice and is considered an academic offense. To avoid plagiarism, it is important to properly cite any sources that are used, including quotes, facts, images, and any other type of borrowed material. Additionally, it is important to give credit to the original authors of any ideas or works that are used. It is also recommended to paraphrase or re-word any material that is borrowed, so that it is not presented in the same exact form as the original. By following these steps, you can ensure that your work is completely plagiarism-free.

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To calculate the required pull to stretch a 100-foot long surveyor's steel tape with a cross-sectional area of 0.006 square inches, we can use the concept of stress and strain.

Stress is defined as the force applied per unit area, and strain is the resulting deformation or elongation of the material. In this case, we want to find the force or pull required to stretch the tape.

The stress (σ) can be calculated using the formula:

σ = F/A

where F is the force and A is the cross-sectional area of the tape.

To find the strain (ε), we use the formula:

ε = ΔL/L

where ΔL is the change in length and L is the original length of the tape.

Assuming the tape is stretched uniformly, we can say that ΔL/L = σ/E, where E is the modulus of elasticity or Young's modulus, which represents the stiffness of the material.

Rearranging the equation, we have:

ΔL = σL/E

Since we are given the original length L as 100 feet, we need to convert it to inches (1 foot = 12 inches) to maintain consistent units.

100 feet = 1200 inches

Substituting the values, we have:

ΔL = σ × 1200/E

We are given the cross-sectional area A as 0.006 square inches. Rearranging the stress equation, we have:

F = σ × A

Substituting the value of F in the strain equation, we get:

ΔL = (F × L)/(E × A)

Simplifying further:

F = (ΔL × E × A)/L

Now, you can substitute the known values into this equation to calculate the required pull or force to stretch the surveyor's steel tape.

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Explanation:

The gravitational potential energy is given by :

P = mgh

The kinetic energy of an object is given by :

\(K=\dfrac{1}{2}mv^2\)

As the ball reaches the bottom of the ramp, its potential energy decreases and kinetic energy increases.

It imply that, when the ball at the top most height, its gravitational potential energy is maximum and zero kinetic energy and when ball reaches the bottom of the ramp, it will have maximum kinetic energy and zero potential energy.

Answer:

You take the basic formula of E = I x R, solve for R -> R = E / I. In other words, take the required voltage drop (in volts) and divide by the current (in amps) in the resistor and determine the resistance (R) in ohms.

Explanation: hope this helps

The integral of force with respect to time represents the work done by the force on an object.

The integral of force with respect to time is denoted as ∫F dt, where F represents the force applied to an object and dt represents an infinitesimally small change in time. The integral of force with respect to time represents the accumulation of work done by the force over a given time interval.

To understand this concept, consider a simple scenario where the force applied to an object is constant. In this case, the integral simplifies to ∫F dt = F∫dt = FΔt, where Δt represents the change in time.

The product of the force and the change in time, FΔt, represents the work done by the force on the object. Work is defined as the transfer of energy from one object to another due to the application of force. It is measured in units of energy, such as joules (J).

In more complex scenarios where the force applied to an object varies with time, the integral of force with respect to time accounts for these changes and calculates the total work done by the force over the given time interval.

In summary, the integral of force with respect to time represents the work done by the force on an object and is a fundamental concept in the study of mechanics and energy.

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Gas X, when held in a sealed chamber at STP, will have an approximate volume of 22.4 L.

At STP (Standard Temperature and Pressure), which is defined as 0 degrees Celsius (273.15 Kelvin) and 1 atmosphere of pressure, one mole of any ideal gas occupies a volume of 22.4 liters. This is known as the molar volume of a gas. It is a constant value that allows us to easily calculate the volume of a given amount of gas at STP.

The molar volume of 22.4 liters can be derived from the ideal gas law equation, PV = nRT, where P is the pressure, V is the volume, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature. At STP, the pressure is 1 atmosphere, and if we assume we have one mole of Gas X, we can rearrange the equation to solve for V:

V = (nRT) / P

Substituting the values for STP (n = 1 mole, R = 0.0821 L·atm/mol·K, P = 1 atm, T = 273.15 K) into the equation, we get:

V = (1 mol * 0.0821 L·atm/mol·K * 273.15 K) / 1 atm

 = 22.4 L

Therefore, the approximate volume of Gas X in a sealed chamber at STP is 22.4 L.

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Answer:

I think it would be using a battery recet

Explanation:

Answer: Using a battery

Explanation:

To stay in a circular orbit at a specific distance, the satellite must have a speed that is three times the square root of that distance. Therefore, the correct answer is option B.

The speed of a satellite in a circular orbit around a planet can be determined by equating the centripetal force required to keep the satellite in orbit with the gravitational force of the planet on the satellite.

The centripetal force is given by \(F = mv^2/r\), where m is the mass of the satellite, v is its speed, and r is the distance from the center of the planet.

The gravitational force is given by \(F = G(Mm)/r^2\), where G is the gravitational constant, M is the mass of the planet, and m is the mass of the satellite. Equating these two forces and solving for v gives \(v = \sqrt{(GM/r)}\)

Substituting the given values for g = 9 m/s² and r, we get \(v = \sqrt{(gr)}\), which simplifies to \(v = \sqrt{(9r)} = 3\sqrt{r}\).

Therefore, the correct answer is v = 3r. This means that the speed of the satellite must be three times the square root of the distance from the center of the planet to remain in a circular orbit at that distance.

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Answer:

The correction is the state of mind being for the Fahrenheit that is calculator from anarchy

Explanation:

Answer:

Si system is :kilo miligram kelvin

us system is: Fahrenheit Ounce yard inch

Explanation:

Answer:

3.85 V

Explanation:

The potential difference between two points can be calculated using the following equation

Where E is the energy and Q is the charge. So, replacing E = 250 J and Q = 65 C, we get:

Therefore, the potential difference is 3.85 V

We will have the following:

First, we remember that:

So:

So, the change in length of the rod is approximately 4.41 mm.

Answer:

sequence

Explanation:

sequences are the way in which things are ordered, for example: 1, 2, 3, 4 is a sequence:)

Answer:b

Explanation:

im in fifth grade so i guessd. gl tho heh.

The answer will be an option C. The momentum would be eliminated for the running back.

The collision in which the object bounces off after the collision is called the elastic collision. The one condition is given in the question that after the collision the running back bounces back and the linebacker stops

A linebacker runs at 3 m/s and collides with a running back running toward him at 3.2m/s. If the running back bounces back and the linebacker stops it means that the collision is elastic. And all the momentum is transferred to the other person.

Therefore the answer will be an option C. The momentum would be eliminated for the running back.

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Answer:

total energy

Explanation:

law of conservation of energy

Answer:

180 Newton(N)

Explanation:

force =mass *acceleration

=60 * 3

=180 kgm/s^2

=180 N

A severe shortage of food leading to mass starvation, many deaths, economic chaos, and social disruption is called a famine.

Famine is a complex crisis characterized by an extreme scarcity of food, resulting in widespread hunger and malnutrition within a specific region or population. It is typically caused by a combination of factors, including drought, crop failure, political instability, conflict, or inadequate access to resources and distribution systems.

Famines have devastating consequences, affecting not only the physical health and well-being of individuals but also the economic and social fabric of communities and nations.

The scarcity of food leads to malnutrition, weakened immune systems, and increased vulnerability to diseases, resulting in a high mortality rate. Moreover, the socio-economic impact includes disrupted livelihoods, increased poverty, social unrest, and displacement of populations.

Efforts to prevent and mitigate famines involve a combination of interventions, including emergency food aid, agricultural support, improved infrastructure, conflict resolution, and long-term strategies for sustainable development and food security.

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The initial velocity of the car as it slow to rest with an acceleration of -5 m/s² is 11.5 m/s.

This can be defined as the ratio of displacement to the time of a body

To calculate the initial velocity of the car, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence the initial velocity of the car is 11.5 m/s

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The force that causes the water to exit the rocket is equivalent but opposite in direction to the force that causes the rocket to launch.

Force can cause a still body to move. It has the ability to either stop or slow a moving body. It has the ability to increase the speed of a moving body. It can also affect the shape and size of a moving body as well as its direction. A force exerted on an object causes it to change shape or size, begin or stop moving, accelerate or decelerate. When two things contact, they exert a force on one other; these exerted forces are equal in size but opposite in direction. The strong force is thought to be nature's most powerful force. The electromagnetic, weak, and gravitational forces follow in declining sequence.

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The Blackbody Spectrum simulation allows us to explore how the temperature of incandescent light sources affects their emitted light.

First, discuss the relationship between temperature, radiant energy, and lighting efficiency.
Incandescent light sources emit light due to their nonzero temperature. As the temperature of the source increases, the amount of radiant energy it gives off also increases. The Blackbody Spectrum simulation helps us visualize how the temperature of a substance affects the way light is emitted.
In the simulation, a curve represents the radiation intensity and energy emitted with respect to the wavelength at a given temperature. As the temperature rises, the curve's peak shifts towards shorter wavelengths, and the area under the curve increases. This shift indicates that the emitted light becomes more energetic and intense.
However, not all of this emitted energy is in the visible spectrum; a significant portion can be in the form of infrared radiation (heat). Incandescent light sources are not very energy-efficient, as a large portion of their energy output is wasted as heat rather than visible light. The lighting efficiency of an incandescent source is determined by the percentage of radiant energy that falls within the visible spectrum.
To summarize, the Blackbody Spectrum simulation allows us to explore how the temperature of incandescent light sources affects their emitted light. As the temperature increases, the emitted radiant energy also increases. However, a considerable amount of energy is lost as heat, making incandescent sources less energy-efficient compared to other lighting technologies.

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Answer:

the answer is at the BOTTOM OF THEIR QUESTION

Explanation:

IT IS CORRECT BTW

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➢ 1. force = mass × acceleration

➢ 2. Since unit of weight = kg•m/s²

Answer:

Force =  Mass x Acceleration

Hope this helps.

Because of the position on the equator, the change in rotation of the Earth on its axis throughout the year doesn't affect it much. Unlike the poles, Quito is almost constantly in direct view of the sun. So, because of lack of change in rotation, the daylight hours are hardly varied as Quito is almost constantly in more or less the same spot in relation to the sun.