If a cart has 100 Joules of potential energy at the top and then 100 Joules of that gets converted into kinetic energy, how much potential energy does the cart still have?

0 J

48 J

52 J

100 J

(a) The weight of the engine is given by W = mg, where g = 9.8 m/s² (acceleration due to gravity) and m = 1900 kg. W = (1900 kg) (9.8 m/s²) = 18620 NThere are three bolts, so each bolt supports 1/3 of the weight of the engine. Therefore, the force on each bolt is (1/3) (18620 N) = 6206.67 N(b)

During turbulence, the engine and the fuselage have an upward vertical acceleration of 1.9 m/s². The total force on the engine and the fuselage is given by F = ma, where m = 1900 kg and a = 1.9 m/s².F = (1900 kg) (1.9 m/s²) = 3610 NThe force on each bolt is still divided into three parts, so each bolt will support a force of (1/3) (3610 N) = 1203.33 N.Main

:The force on each bolt as the plane waits in line for clearance to take off is 6206.67 N while the force on each bolt now that the plane encounters turbulence, which suddenly imparts an upward vertical acceleration of 1.9 m/s² to the plane is 1203.33 N.Explanation:The force acting on a bolt can be calculated by dividing the weight of the engine equally among the three bolts. During turbulence, an additional vertical force of 3610 N (1900 kg × 1.9 m/s²) acts on the engine and the fuselage. Again, this force must be divided equally among the three bolts.

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The main answer is as follows: To calculate the amount of energy wasted as heat and other energy forms, we need to first calculate the total energy input to the cooling fan. We know that the fan uses 1050 J of energy, and it is 68% efficient.
To find the total energy input, we can divide the energy used by the efficiency of the fan:
Total energy input = Energy used / Efficiency
Total energy input = 1050 J / 0.68
Total energy input ≈ 1544.12 J
Next, we need to find the amount of energy wasted as heat and other energy forms. Since the fan is not 100% efficient, there will be some energy that is lost in the form of heat and other energy forms. To calculate this, we subtract the energy used from the total energy input:
Energy wasted = Total energy input - Energy used
Energy wasted = 1544.12 J - 1050 J
Energy wasted ≈ 494.12 J
Therefore, the amount of energy wasted as heat and other energy forms is approximately 494.12 J. In this question, we are asked to calculate the amount of energy wasted as heat and other energy forms by a cooling fan. We are given that the fan uses 1050 J of energy and is 68% efficient. To find the total energy input to the fan, we divide the energy used by the efficiency. In this case, the total energy input is approximately 1544.12 J. Next, we subtract the energy used from the total energy input to find the amount of energy wasted as heat and other energy forms. This gives us approximately 494.12 J. This means that out of the total energy input, about 494.12 J is not used effectively by the fan and is lost as heat and other energy forms. In conclusion, the amount of energy wasted as heat and other energy forms by the cooling fan is approximately 494.12 J.

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The magnitude of the resulting angular acceleration of the pulley is 8.0 rad/s².

To find the magnitude of the resulting angular acceleration of the pulley, we can use the formula:

α = τ / I

Where α is the angular acceleration, τ is the torque applied to the pulley, and I is the moment of inertia of the pulley.

First, we need to find the torque applied to the pulley. The force applied to the string (12 N) creates a torque by pulling on the pulley, which can be calculated using the formula:

τ = rF

Where τ is the torque, r is the radius of the pulley (0.10 m), and F is the force applied to the string (12 N).

τ = (0.10 m)(12 N) = 1.2 N·m

Now we can use this torque and the moment of inertia of the pulley (0.15 kg·m²) in the formula for angular acceleration:

α = τ / I

α = (1.2 N·m) / (0.15 kg·m²)

α = 8.0 rad/s²

Therefore, the pulley will have an angular acceleration of 8.0 rad/s².

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Simple harmonic motion is defined as a motion in which the restoring force is directly proportional to the displacement of the body from its mean position.

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When a brick (brickA) is resting on a rough incline, the friction force acting on the brick along the incline depends on a few factors. First, let's discuss the forces acting on the brick (brickA). The weight of the brick acts vertically downward due to gravity, and this force can be represented as the weight vector. We can decompose the weight vector into two components: one parallel to the incline (weight_parallel) and one perpendicular to the incline (weight_perpendicular).

The friction force acting on the brick (brickA) along the incline is opposing the component of the weight vector parallel to the incline (weight_parallel). The force of friction is determined by the product of the normal force (which in this case is equal to weight_perpendicular) and the coefficient of friction between the brick and the incline (brickC).
Now, let's analyze the given options:
A. Equal to the weight of the brick - This is incorrect, as the friction force is only equal to the weight_parallel component, not the entire weight of the brick.
B. Less than the weight of the brick - This is correct. The friction force acting on the brick along the incline is opposing the weight parallel component, which is always less than the total weight of the brick.
C. Greater than the weight of the brick - This is incorrect, as the friction force is only acting against the weight parallel component and cannot be greater than the total weight of the brick.
D. Zero - This is incorrect. Since the brick is on a rough incline, there will be a friction force acting against the weight parallel component.
So, the correct answer is B. The friction force acting on the brick along the incline is less than the weight of the brick.

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The question is fishing for "balanced force".

But the description in the question is terrible.

Answer:

The desk is pushing back on Arianna

Explanation:

If you read newton's 3rd law, it states that for every action force (Arianna pushing the desk), there is an equal reaction force (The desk pushing back on her). This is true for EVERY OBJECT THAT HAS MOTION!

The phenomenon in hearing that is analogous to spatial frequency channels in vision is critical bands. Hence, the correct option is A: Critical bands.

Critical bands are regions of the audible frequency range in which a complex sound is divided into individual, discrete frequency bands by the human auditory system.

For instance, when different frequencies in a complex sound, such as a musical instrument or a human voice, are picked up by the ear, they are sent to the brain via various channels that respond to specific frequencies.

These channels are referred to as critical bands. The frequency range of these bands varies depending on the loudness of the sound.

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Answer:

an electromagnetic wave with a wavelength in the range 0.001–0.3 m, shorter than that of a normal radio wave but longer than those of infrared radiation. Microwaves are used in radar, in communications, and for heating in microwave ovens and in various industrial processes.

The best definition of "violence" is any action or statement that is meant to cause hurt or devastation. Here option A is the correct answer.

This can include actions such as hitting, punching, kicking, or other forms of physical assault, as well as verbal attacks such as shouting, threatening, or insulting. Violence can also take the form of emotional abuse, manipulation, or coercion.

Violence can be directed toward oneself, others, or even towards animals or the environment. It can also be committed by individuals or groups and can occur in various contexts such as within families, communities, workplaces, or political systems.

Violence can have significant negative impacts on individuals, communities, and societies as a whole. It can cause physical injuries, and emotional trauma, and can even lead to death. It can also create fear, mistrust, and conflict between individuals or groups, and can perpetuate cycles of violence and retaliation.

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Complete question:

Which of the following best defines the term "violence"?

A) Any physical or verbal behavior intended to hurt or destroy.

B) A state of being calm and peaceful.

C) A feeling of intense anger or hostility.

D) The act of giving in to someone else's demands.

Only the wavelength distinguishes the many colors of visible light. The distance between two consecutive wave crests or troughs is known as the wavelength.

The length of a waveform signal that is propagating in space or over a wire is measured by the separation between identical points (adjacent crests) in the adjacent cycles. This length is typically specified in meters (m), centimeters (cm), or millimeters (mm) in wireless systems (mm).

The wavelength, which is also the distance between two wave crests and troughs, is the measurement of wave length. In cycles per second (Hz), the term "frequency" refers to the number of vibrations that cross a specific area in a second (Hertz).

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Answer:

3m/s²

Explanation:

final velocity - initial velocity

______________________ = Acceleration

           elapsed time

A downhill skier reaches the steepest part of a trail. Her speed increases from 9 m/s to 18 m/s in 3 seconds.  Her average acceleration is 3 m/sec².

The rate at which an item changes its velocity is known as acceleration, a vector quantity. If an object's velocity is changing, it is acceleration.The net acceleration that objects get as a result of the combined action of gravity and centrifugal force is known as the Earth's gravity, or g. It is a vector quantity whose strength or magnitude is determined by the norm and whose direction correlates with a plumb bob.

Average acceleration = (18 -9)/3 = 3 m/sec²

A downhill skier reaches the steepest part of a trail. Her speed increases from 9 m/s to 18 m/s in 3 seconds.  Her average acceleration is 3 m/sec².

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Answer:

3amperes

Explanation:

current = voltage ÷ resistance = 90÷30= 3amperes

The current Flows In the circuit​ if, a resistance of 30 ohms is placed in a circuit with a 90-volt battery, is 3 Ampere.

The obstruction to current flow in an electrical circuit is measured by resistance. The Greek letter omega represents the unit of measurement for resistance, known as ohms. Georg Simon Ohm (1784–1854), a German physicist who investigated the connection between voltage, current, and resistance, is the name given to the unit of resistance.

Given:

The resistance of the circuit, R = 30 ohms,

The voltage in the battery, V = 90 volts,

Calculate the current using Ohm law as shown below,

The current of the circuit = The voltage in the battery / The resistance of the circuit,

The current of the circuit = 90 / 30

The current of the circuit = 3 Ampere,

Thus, the current of the circuit having a battery of 90 volts is 3 Ampere.

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The angled cable's tension force is about 1530.09 N.

To solve the problem, consider the forces acting on the beam and the hanging object.

Calculate the gravitational force acting on the hanging object:

F_gravity = m×g

F_gravity = 110 kg × 9.81 m/s²

Calculate the torque produced by the gravitational force:

torque_gravity = F_gravity × L

torque_gravity = 1079.1 N × 4.2 m

torque_gravity = 4533.72 N·m

Since the beam is in equilibrium, the torque produced by the tension force in the angled cable must be equal and opposite to the torque produced by the gravitational force of the hanging object.

The component of the tension force at 0 perpendicular to the beam:

tension_perpendicular = torque_gravity / L

tension_perpendicular = 4533.72 N·m / 4.2 m

tension_perpendicular = 1080.41 N

Find the tension force in the angled cable using trigonometry:

tension = tension_perpendicular / sin(θ)

tension = 1080.41 N / sin(45°)

tension = 1530.09 N

Therefore, the tension force in the angled cable is approximately 1530.09 N.

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The electric field at the surface of a balloon is determined by the charge and the radius of the balloon. Assuming the charge remains constant while the diameter is doubled, the radius of the balloon will also double.

The electric field at the surface of a charged sphere is given by:

E = k × (Q / r^2)

Where:

E is the electric field,

k is the Coulomb's constant (a proportionality constant),

Q is the charge,

r is the radius of the sphere.

Since the diameter is doubled, the radius is also doubled. Let's denote the original radius as r1 and the new radius as r2. We can express the relationship between r1 and r2 as r2 = 2 × r1.

Therefore, the electric field at the surface of the inflated balloon with twice the diameter is:

E2 = k × (Q / r2^2) = k × (Q / (2 × r1)^2) = k × (Q / 4 × r1^2)

Comparing E2 to the original electric field at the surface of the balloon (E1), we can see that the electric field at the surface is reduced by a factor of 1/4 when the diameter is doubled while keeping the charge constant.

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The net force on the middle charge due to the four other charges is zero.

The given parameters:

The magnitude of the force on the middle charge due to the four other charges is calculated as follows;

\(F_0{net} = F_{01} + F_{02} + F_{03} + F_{04}\\\\F_0{net} = \frac{k\times q_0(-q_1)}{r^2} + \frac{k\times q_0(q_2)}{r^2} + \frac{k\times q_0(q_3)}{r^2} + \frac{k\times q_0(-q_4)}{r^2}\\\\F_0{net} = - \frac{k\times q_0q_1}{r^2} + \frac{k\times q_0q_2}{r^2} + \frac{k\times q_0q_3}{r^2} - \frac{k\times q_0q_4}{r^2}\\\\F_0{net} = \frac{kq_0}{r^2} (-q_1 + q_2 + q_3 - q_4)\\\\recall, \ |q_1| = q_2 = |q_3| = |q_4| = 2 \ nC\\\\F_0{net} = \frac{kq_0}{r^2} (-2 + 2+ 2-2)\\\\F_0{net} = \frac{kq_0}{r^2}(0)\\\\\)

\(F_0{net} = 0\)

Thus, the net force on the middle charge due to the four other charges is zero.

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Answer:

the answer to your question is true

Answer:

false

Explanation:

i took the test

The minimum possible coefficient of static friction between the bike tires and the ground is 0.734.

The minimum possible coefficient of static friction is that at which the moving object is on the verge of the stopping state.

Radius of the curve, (R) = 20 m.

Velocity of the cyclist, (v) = 12 m/sec

g = 9.81 m/s²

On a circular curve, the cyclist will experience the centrifugal force(F) which acts outwards. This force is,

F = mv²/R

This centrifugal force(F) is balanced by the static friction force(Fₓ). Which is,

Static friction force = mg × coefficient of static friction(Ц)

mv²/R = mg × coefficient of static friction(Ц)

coefficient of static friction(Ц) = v²/gR

= (12×12)/(9.81×20)

= 0.734

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Energy refers to the ability or capacity to do work. Energy can be of various types as follows:

Kinetic energy is energy possessed by an object because of its motion while potential energy is energy possessed by an object because of its position or its condition.

The law of conservation of energy states that energy cannot be created nor destroyed but can only be transformed i.e. converted from one form to another.

Friction is a force that resists the relative motion or tendency to such motion of two bodies in contact.

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When you ride your scooter, you have momentum which is determined by your mass and velocity. Momentum is a vector quantity, meaning it has both magnitude and direction.

When you ride twice as fast, you have twice the velocity, which results in a change in momentum.The relationship between velocity and momentum is direct. Therefore, when you ride twice as fast, you have twice the momentum. This means that the correct answer is option c. You will have twice the momentum when you ride twice as fast on your scooter.It is important to note that momentum is conserved in a closed system, which means that the total momentum before and after the event remains the same.

Therefore, if you were to ride your scooter into a wall, your momentum would be transferred to the wall, causing you to stop abruptly. When you ride your scooter, you have momentum. Momentum is the product of an object's mass and velocity (p = mv). If you ride twice as fast, your velocity doubles. In this case, your momentum also doubles, since the mass remains the same. Therefore, the correct answer is c. twice the momentum.

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Answer:

no

Explanation:

the moon's force of gravity is not strong enough to pull you down compared to earth, so you will just float

The types of telescopes that will be able to detect flux from objects when located on Earth include optical telescopes, radio telescopes, and infrared telescopes.

Optical Telescopes: Optical telescopes are specifically designed to gather and focus visible light, enabling the detection of flux from astronomical objects. They come in two main types: refracting telescopes, which use lenses to gather and focus light, and reflecting telescopes, which use mirrors to capture and direct light to a detector or eyepiece.

Radio Telescopes: Radio telescopes detect and analyze radio waves emitted by astronomical objects. They are designed to capture a wide range of radio frequencies and are crucial for studying celestial sources that emit primarily in the radio part of the electromagnetic spectrum. By analyzing the received signals, astronomers can study phenomena such as pulsars, quasars, and cosmic microwave background radiation.

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The spectrum observed from the Sun (or any star) would exhibit an absorption spectrum. This is because the outer gaseous atmosphere of the star absorbs specific wavelengths of light, resulting in dark absorption lines in the spectrum.

In the cooler, lower-density outer atmosphere, where white light from the star travels, some atoms or molecules in the atmosphere absorb photons with particular energy. In the spectrum, these absorptions show up as black lines at specific wavelengths. The specific set of absorption lines that each element or molecule generates results in a distinctive pattern that can be used to identify the elements that are present in the star's atmosphere.

The absorption spectrum offers insightful data on the chemical make-up and physical characteristics of the star. Astronomers can ascertain the elements present, their abundances, and other characteristics like the temperature, pressure, and velocity of the star's atmosphere by examining the absorption lines.

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Constantine's decision to move the capital of the Roman Empire to Byzantium had significant implications for Roman culture and law. His embrace of Christianity, reorganization of the government, and construction of new buildings and monuments all helped to shape the culture and law of the Roman Empire in significant ways.

One of the most significant ways in which Constantine changed Roman culture and law was through his embrace of Christianity. Although he was not the first Roman Emperor to convert to Christianity, his conversion was significant because it marked a turning point in Roman history. Prior to Constantine, Christianity was a persecuted religion in the Roman Empire, but after his conversion, it became the dominant religion in the Empire. This had significant implications for Roman culture and law, as Christian morality and values began to shape the laws and customs of the Empire.

Another way in which Constantine changed Roman culture and law was through his reorganization of the government. He created a new system of administration that was designed to be more efficient and effective than the old system. This new system was based on a hierarchy of officials who were responsible for specific regions of the Empire. This new system helped to streamline the administration of the Empire and made it easier for Constantine to govern from his new capital in Byzantium.

Finally, Constantine also changed Roman culture and law through his construction of new buildings and monuments in Constantinople. He built several new churches, including the famous Hagia Sophia, which became one of the most important religious buildings in the world.

In conclusion, Constantine's decision to move the capital of the Roman Empire to Byzantium had significant implications for Roman culture and law. His embrace of Christianity, reorganization of the government, and construction of new buildings and monuments all helped to shape the culture and law of the Roman Empire in significant ways.

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The largest producer of primary air pollution in the United States is what? electricity producing plants.

Answer:

electricity production

Explanation:

      Maybe this graph can help?

A)Container (A) absorbs more heat energy because all the water is closer to the heater option 5

B)Until both reached the specified final temperatures, heat was transferred to them both using heating coils. Heat was transferred from one container to the other equally. option 1 is true.

The concept of temperature is used to convey quantitatively how hot and cold something is. Using a thermometer, one can gauge temperature. Thermometers are calibrated using several temperature scales that traditionally depended on different reference points and thermometric materials for definition. The average kinetic energy of a single atom or molecule may be determined by measuring temperature. As a result, when we use the terms "hot" or "cold," we are usually referring to something else when describing how hot or cold a person is. After perchloroethylene has been condensed from the air stream and before the stream reenters the dry cleaning machine drum, the air stream is cycled from the drum and is heated by a device known as a heating coil.As a heat exchanger, the furnace coil

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Answer:

Force in the Direction of Displacement. The work done by a constant force is proportional to the force applied times the displacement of the object

Answer:

You need to divide 200 by 23 seconds in order to get your answer.