What is the possible problem if an oil-fired furnace has a stack temperature reading in excess of 800 degrees fahrenheit?

The problem requires us to determine the total signal loss of a transmitter that operates at 2.4 GHz and is connected to an antenna by a 94 feet long LMR-600 cable, given that the cable connector has a loss of 0.47 dB.What is signal loss.

The signal loss refers to the reduction of strength of a signal while it travels through a medium or transmission system from the transmitter to the receiver. In communication systems, signal loss can occur in a cable, antenna, or other components. The total signal loss depends on the specific system used, cable attenuation, connector type, and the distance between the transmitter and receiver.

The total signal loss can be determined as the sum of the cable loss and the connector loss. Total Signal Loss(dB) = Cable Loss(dB) + Connector Loss(dB)  = 0.508 dB + 0.47 dB = 0.978 dBTherefore, the total signal loss of the transmitter connected to the antenna by a 94 feet long LMR-600 cable, assuming that the cable connector has a loss of 0.47 dB, is 0.978 dB, approximately.

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Explanation:

225=m (2.20m/s2 which give m=16kg I used newtons second law to fins the required average force

Answer:

A. Thermal energy will move from the water to the ice.

B. Thermal energy will move from air to the water.

C. Thermal energy will move from the ice to the air.

D. Thermal energy will move from the water to the air.

A and B are correct

Explanation:

Because thermal energy will move from the water to the ice

Both people will have the same magnitude of momentum. The total momentum of the two people after they push off each other will be zero. However, the larger person will experience a smaller acceleration than the smaller person due to their difference in mass.

When the two people push off each other, the total momentum of the system remains conserved.

This means that the sum of their individual momentums before the push must equal the sum of their momentums after the push. Since they start at rest, their initial momentums are zero, so their final momentums must also be zero. This means that the magnitudes of their momentums are equal but opposite in direction.

However, the acceleration experienced by each person is given by the force exerted on them divided by their mass. Since the force on each person is equal and opposite, the acceleration experienced by the larger person will be smaller than that of the smaller person due to their difference in mass. This is described by Newton's Second Law, F=ma, where the force F is constant but the acceleration a is inversely proportional to mass m.

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The form of the equation used to calculate work done on an object depends on the type of force and the displacement of the object. The equation W = mgh only applies to the work done on a mass m travelling a distance d parallel to the almost-uniform gravitational force near the surface of the earth.

The equation that represents the work done on a mass m traveling a distance d parallel to the almost-uniform gravitational force near the surface of the earth is W = mg, where W is the work done, m is the mass of the object, g is the acceleration due to gravity, and h is the height the object is lifted. This equation is quite different from the form of the equation in question, which is not specified.

It is important to note that the work done on a mass by a gravitational force depends on the displacement of the object, and not on the path taken. This is why the equation W = mg only applies when the force is parallel to the displacement, which is usually the case near the surface of the earth. However, if the force is not parallel to the displacement, then the work done is given by the dot product of the force and displacement vectors.

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A sheep on a skateboard is standing still when she is pushed with a force of 59 n to the right for 1.5 seconds. if the sheep has a mass of 41 kg  a speed of approximately 2.16 m/s after being pushed with a force of 59 N for 1.5 seconds.

To determine the speed at which the sheep will move, we can use Newton's second law of motion, which states that the acceleration of an object is directly proportional to the net force applied to it and inversely proportional to its mass.

The formula to calculate acceleration is given by:

Acceleration (a) = Net Force (F_net) / Mass (m)

In this case, the net force acting on the sheep is 59 N to the right, and the mass of the sheep is 41 kg.

Using the formula, we can calculate the acceleration:

a = 59 N / 41 kg ≈ 1.44 m/s^2

Now, we can use the formula for calculating the final velocity (v) of an object in uniform acceleration:

v = u + a * t

Given that the sheep was initially at rest (u = 0) and the time (t) is 1.5 seconds, we can substitute the values:

v = 0 + 1.44 m/s^2 * 1.5 s

v ≈ 2.16 m/s

Therefore, the sheep will move at a speed of approximately 2.16 m/s after being pushed with a force of 59 N for 1.5 seconds.

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Calcium Bromide, commonly known as calcium dibromide, is an ionic compound since the second element is a nonmetal, resulting in an ionic compound. It is referred to as a hydrated salt.

A chemical compound is a material made up of several similar molecules that include atoms from more than one chemical element and are kept together by chemical bonds. A molecule made up of only one element's atoms is hence not a compound.

A solution is a form of homogenous combination made of two or more components in chemistry. A solute in such a combination is a material that has been dissolved in another substance known as a solvent.

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Answer:

A physic term

Explanation:

Answer:

Cambio de lugar o de posición de un cuerpo en el espacio.

Explanation:

The resultant vector if the vector is 589 km/hr is acting in the opposite direction to the vector whose magnitude is 134km/hr would be 455 km/hr

The quantities that contain the magnitude of the quantities along with the direction are known as the vector quantities.

Examples of vector quantities are displacement, velocity acceleration, force, etc.

Thus, the resultant vector if the vector is 589 km/hr is acting in the opposite direction to the vector whose magnitude is 134km/hr would be 455 km/hr.

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Despite the fact that the moon is slightly larger than Pluto, the two bodies are vastly different, and their unique characteristics make them both interesting objects of study for astronomers and space scientists.

Yes, the way things work on Earth's moon would be different from the way they work on Pluto, despite the fact that Earth's moon is slightly larger than Pluto's. This is because the characteristics of a celestial body depend on various factors such as its size, mass, density, and distance from the sun.

One major difference between the two is the gravitational force. The gravitational force on the moon is about one-sixth of that on Earth, while on Pluto, it is about one-fifteenth of that on Earth. This means that objects on the surface of the moon would weigh less than those on Pluto, and they would also fall more slowly.

Another significant difference is the surface conditions. The moon has a relatively smooth surface with little atmosphere and extreme temperature variations, while Pluto has a much more rugged terrain, a thin atmosphere, and a much colder surface with temperatures reaching -240°C.

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that's happening ?????

Answer:

W1 L1 = W2 L2        equation for balancing torques

M1 g L1 = M2 L2 g

Or M2 = M1 * 1.75 / 1.22 = 1.43 M1 = 32.1 kg

The buoyant force acting on a 2-gram latex balloon filled with helium is approximately 0.0196 N, causing the balloon to accelerate upwards at approximately 9.8 m/s².

To calculate the buoyant force acting on the balloon, we need to consider the difference in density between the helium-filled balloon and the surrounding air. The buoyant force is equal to the weight of the displaced air, which is given by the formula F = ρ * V * g, where F is the buoyant force, ρ is the density of the surrounding air, V is the volume of the displaced air, and g is the acceleration due to gravity.

First, we need to calculate the volume of the balloon. Given that the balloon has an approximately spherical shape with a diameter of 24 cm, we can calculate its radius as r = 12 cm = 0.12 m. The volume of a sphere is given by \(V = (4/3) * \pi * r^3\), so plugging in the values, we get \(V = 0.072 m^3\).

The density of air at sea level is approximately \(1.2 kg/m^3\). As the balloon is filled with helium, which is less dense than air, we assume the density of the balloon is negligible compared to the density of the helium. Therefore, the displaced air has a mass of approximately \(\rho * V = 1.2 kg/m^3 * 0.072 m^3 = 0.0864 kg\).

Now, we can calculate the buoyant force using F = m * g, where m is the mass of the displaced air and g is the acceleration due to gravity (approximately 9.8 m/s²). Substituting the values, we have \(F = 0.0864 kg * 9.8 m/s^2 = 0.84672 N\).

Since the balloon experiences an upward buoyant force greater than its weight (which is approximately 0.0196 N), it accelerates upwards. By Newton's second law, F = m * a, where F is the net force acting on the balloon, m is the mass of the balloon, and a is its acceleration. Rearranging the equation, we have \(a = F / m = 0.84672 N / 0.002 kg = 423.36 m/s^2\).

Therefore, the buoyant force acting on the 2-gram latex balloon filled with helium is approximately 0.0196 N, causing the balloon to accelerate upwards at approximately \(423.36 m/s^2\).

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Answer:

scalar d = 54000 m , v_average = 16,667 m / s

vector    d = -4000 m , moved 4000 to the west

                 v_average = 0                

Explanation:

his is a uniform motion exercise, but we must be careful with quantities that are scalars and vector quantities

The distance traveled is a scalar

       d = d₁ + d₂

       d = 25000 + 29000

       d = 54000 m

the speed is a scalar, in the exercise it is not specified if the speed of each trajectory or the average speed. Therefore we will calculate the two

       v₁ = d₁ / t₁

       v₁ = 25000/1500

       v₁ = 16,667 m / s

       v₂ = 29000/1740

        v₂ = 16,667 m / s

Since the two speeds are equal, the average speed is

       v = (v1 + v2) / 2

       v_average = 16,667 m / s

now let's calculate the displacement that is a vector, so it has direction in addition to modules

suppose the eastward direction is positive and the bold are vectors

      d = d₁ - d₂

       d = 25000 - 29000

        d = -4000 m

this means that it moved 4000 to the west

velocity is a vector, we assume positive eastward movement

        v₁ = 16,667 m / s

         v₂ = - 16,667 m / s

         v_average = (v1 -v2) / 2

         v_average = 0

=======================================================

Explanation:

We'll use the free fall formula, which is,

y = 0.5*g*t^2

where

In this case,

Note: The freefall assumes the object is not thrown down, and simply dropped (so initial velocity is 0).

So,

y = 0.5*g*t^2

y = 0.5*10*4^2

y = 0.5*10*16

y = 5*16

y = 80

The object has fallen about 80 meters. This value is approximate because g = 10 is approximate. Use g = 9.81 for a more accurate value (though even then this value of g isn't exact either). In this case, your teacher has opted to use g = 10.

Another reason why 80 meters is an approximate value is because we haven't accounted for air resistance. As the object falls through the air, the air particles push up and resist the movement of the falling object, and therefore slow it down. Think of a parachute. For entry level physics courses, you'll ignore air resistance as it greatly complicates the problem. Though it's handy to keep it in mind for later physics courses down the road.

An energy change can have different effects on the identity of a substance depending on the type of energy involved and the nature of the substance itself. In general, an energy change does not alter the fundamental identity or chemical composition of a substance. The identity of a substance is determined by its unique arrangement of atoms and the types of chemical bonds present.

When considering changes in energy, it is important to distinguish between physical and chemical changes. In a physical change, the substance undergoes a transformation that does not alter its chemical composition. For example, heating water to its boiling point causes a physical change from liquid to gas, but the water molecules remain intact. In this case, the energy change (heat) affects the physical state of the substance but not its identity.

On the other hand, in a chemical change, the substance undergoes a transformation that involves the breaking and forming of chemical bonds, resulting in a different chemical composition. Energy changes, such as heat or light, can drive chemical reactions by providing the necessary activation energy. However, even in a chemical change, the identity of the substance is determined by the arrangement of its atoms and the types of elements involved.

In summary, an energy change, whether in the form of heat, light, or other forms, can affect the physical or chemical properties of a substance, but it does not alter its fundamental identity. The identity of a substance is determined by its unique composition and arrangement of atoms, which remain unchanged during most energy changes.

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The rotational inertia of the cylinder is approximately 186.208 kg m². This value represents the resistance the cylinder exhibits against any changes in its rotational motion.

The rotational inertia, also known as the moment of inertia, of an object depends on its mass, shape, and the distribution of mass around its axis of rotation. For a solid cylinder, the formula to calculate rotational inertia (I) is:
I = (1/2) * M * R²

where M is the mass of the cylinder, and R is its radius.

Given the mass (M) of the cylinder is 4.4 kg, and its radius (R) is 9.2 meters, we can calculate the rotational inertia (I) as follows:
I = (1/2) * 4.4 kg * (9.2 m)²
I = 0.5 * 4.4 kg * 84.64 m²
I = 2.2 kg * 84.64 m²
I ≈ 186.208 kg m²

In this case, the cylinder's constant spinning speed indicates that the acting torque is balanced, maintaining the same rotational inertia.

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The voltage is calculated using Ohm's Law, which states that voltage (V) equals current (I) multiplied by resistance (R). Therefore, V = I x R. Plugging in the given values, we get V = 0.1A x 1Ω = 0.1V. Therefore, the answer is A) 0.1V.

In this scenario, the resistance is 1 Ohm, and the current is 100 milliamps (mA). By multiplying these values, we can determine the voltage across the circuit. This is an example of using Ohm's Law to calculate the voltage in a circuit based on the resistance and current.

Given that the resistance is 1 Ohm and the current is 100 mA, the voltage is:

To find the voltage, we will use Ohm's Law: V = I × R

Where V is the voltage, I is the current, and R is the resistance.

Step 1: Convert current to Amps: 100 mA = 0.1 A (since 1 A = 1000 mA)
Step 2: Multiply current (in Amps) by resistance: V = 0.1 A × 1 Ohm
Step 3: Calculate voltage: V = 0.1 V

So, the correct answer is:
A) 0.1V

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Answer:

We are required to analyze the conservation of kinetic energy in a perfectly inelastic collision.

kinetic energy:K=1/2mv²

momentum:p=mv

Explanation:

Using the equations for final velocity in terms of masses and initial velocity for a perfectly inelastic collision, work out the final kinetic energy. Calculate the initial kinetic energy and show that kinetic energy is not conserved. Use variables, no numbers

You need to follow law of conservation of energy

We know

You may use momentum formula mass×velocity

In both you need to form equations then solve for final velocity

Answer:

if you like it please do appreciate

To calculate the approximate thermal energy in kilojoules per mole (kJ/mol) of molecules at a given temperature, you can use the Boltzmann constant (k) and the ideal gas law.

The Boltzmann constant (k) is approximately equal to 8.314 J/(mol·K). To convert this to kilojoules per mole, we divide by 1000:

k = 8.314 J/(mol·K) = 0.008314 kJ/(mol·K)

Now, we need to convert the temperature to Kelvin (K) since the Boltzmann constant is defined in Kelvin. To convert from Celsius to Kelvin, we add 273.15 to the temperature:

T(K) = 75°C + 273.15 = 348.15 K

Finally, we can calculate the thermal energy using the formula:

Thermal energy = k * T

Thermal energy = 0.008314 kJ/(mol·K) * 348.15 K

Thermal energy ≈ 2.894 kJ/mol

Therefore, at 75°C, the approximate thermal energy of molecules is approximately 2.894 kilojoules per mole (kJ/mol).

The heat capacity of one mole of water is approximately 75.29/1000 = 0.07529 kj/mol. This value represents the approximate thermal energy in kj/mol of water molecules at 75 ° C.

Thermal energy refers to the energy present in a system that arises from the random movements of its atoms and molecules. When a body has a temperature of 75 ° C, it has a thermal energy that depends on the type of molecules in it and their specific heat capacity.

In this context, we will consider the thermal energy in kj/mol of molecules at 75 ° C.Let's use water as an example to calculate the approximate thermal energy in kj/mol of molecules at 75 ° C. The specific heat capacity of water is 4.18 J/g °C, and the molar mass of water is 18.01528 g/mol. Therefore, the thermal energy in kj/mol of water molecules at 75 ° C can be calculated as follows:ΔH = mcΔt, whereΔH = thermal energy,m = mass of the sample,c = specific heat capacity of the sample,Δt = change in temperature

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Answer:

B. 123.96 grams

Explanation:

To calculate the resulting kinetic energy of an electron subjected to an electric field, we need to know the charge of the electron and assume it is accelerated through the electric field.

The charge of an electron is approximately -1.6 x 10^-19 coulombs (C). Given that the electron is at rest initially, its initial kinetic energy is zero.

The electric field is given as 12 kV/m, which can be converted to volts per meter (V/m) by multiplying by 1000. Therefore, the electric field is 12,000 V/m.

The work done on the electron by the electric field is equal to the change in its kinetic energy. The work done can be calculated using the formula:

Work = force * distance

The force experienced by the electron in an electric field is given by Coulomb's law:

Force = charge * electric field

Substituting the values:

Force = (-1.6 x 10^-19 C) * (12,000 V/m)

Now, we can calculate the work done:

Work = (-1.6 x 10^-19 C) * (12,000 V/m) * (1.5 m)

To convert the work done to kinetic energy, we use the fact that work done is equal to the change in kinetic energy:

Work = Change in kinetic energy

Therefore, the resulting kinetic energy of the electron is equal to the calculated work done.

Now, let's perform the calculations:

Work = (-1.6 x 10^-19 C) * (12,000 V/m) * (1.5 m)

= -28.8 x 10^-19 J

Note: The negative sign indicates that the work is done on the electron, which increases its kinetic energy.

To express the kinetic energy in femtojoules (fJ), we need to convert from joules (J) to femtojoules (fJ):

1 J = 10^15 fJ

Therefore, the resulting kinetic energy of the electron is:

Kinetic energy = -28.8 x 10^-19 J = -28.8 x 10^-4 fJ

Please note that the resulting kinetic energy is negative, indicating that work was done on the electron to accelerate it.

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Answer:

its true since i already did this last year, if i am wrong i apologize

Explanation:

When ascending from deep-sea diving to sea-level, it is necessary to follow certain methods and a time-course to prevent decompression sickness. The optional methods and time-course to follow are given below:

Optional methods:1. Safety stop: This is the process of stopping at a depth of 15 feet for a few minutes. This allows the nitrogen in the body to escape safely. This is not necessary if the dive is less than 50 feet.2. Decompression stops: If the dive is deeper than 50 feet, decompression stops should be performed. This involves stopping at various depths on the way up to allow nitrogen to escape from the body.3. Surface Marker Buoy: This is a buoy that is placed at the surface to alert boat traffic that a diver is in the area.

Time-course:

1. For dives that are less than 30 feet, there is no need to follow any specific time-course.2. For dives that are deeper than 30 feet, it is recommended to ascend slowly and steadily, at a rate of no more than 30 feet per minute.

3. For decompression stops, the diver should remain at the stop depth for the recommended time, which is usually based on the depth of the dive.

4. The ascent should be interrupted if any signs of decompression sickness are present.

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The magnitude of the force exerted by the back muscles on the backbone, which measures the strain in the back muscles, cannot be determined without specific information about the lifting scenario. Factors such as the angle and distance between the center of mass and the backbone, as well as individual strength and lifting technique, influence this force.

The magnitude of the force exerted by the pelvis on the backbone, which indicates the compression of the fluid-filled discs between the vertebrae in the lower back, is influenced by the weight of the object being lifted, lifting technique, and posture. When lifting an object, the force transmitted through the spine increases, potentially causing compression of the discs.

In an unsafe lifting scenario, the forces exerted by the cable and joint may not sufficiently counterbalance the force exerted by the hanging 50 lb. object. If the forces exerted by the cable and joint are lower than the force exerted by the object, the back muscles and spine can experience excessive strain and compression. This can lead to injuries, back pain, and long-term problems. It is crucial to ensure proper lifting mechanics, seek assistance when needed, and avoid lifting weights that exceed one's capabilities to maintain safety during lifting activities.

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Explanation:

cold,hot,warm,room tempature i dont know what you needed help with but here you go:)

Explanation:

centripetal force is a force that makes a body follow a curved path. for example, twirling,a lasso, cream seperator etc.

A force that causes an objectmoving in a circular path to move out and away from the centres of it's path is centrifugal force. for example,drifting, banked roads, washing machine etc.

Circular motion is a movement of an object along the circumference of a circle or rotation along a circular path. for example, stirring batter, stone tied to a string etc

hope its helpfull♡

The tensor is the quantities that are neither scalar nor vector just like time, magnitude and direction.

Tensor quantity is the only thing which is neither a vector quantity nor the scalar quantity.

A tensor quantity is a physical quantity which is neither scalar nor vector. Every space which is present in the tensor point has its tensor. The bridge building beam is an example of the tensor quantity. The quantity of the stress is a tensor quantity.

The examples of the tensor quantities are direction, magnitude and also the plane which relates to its coordinate system. So these are the quantities that are neither vector nor scalar.

Time is also tensor because it is neither vector nor scalar.

So we can conclude that the tensor ate the quantities which are neither scalar nor vector just like time, magnitude and direction.

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