A continuous load is a load where the maximum current is expected to continue for 3 hours or more.
A current load is the amount of current that is passing through an electrical device that is receiving power. The electric current is the amount of the charges that is flowing through a area of cross section per unit time.
If the maximum current is applied continuously for more than 3 hours at a place than it is called a current load.
This standard of three or more hours is decide the National Electrical Code of United States of America.
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what is the combined mass in grams of objects that have masses of 0.2000 kg, 80.0g, 524mg
The combined masses 0.2000kg * 1 g/0.001kg = 200 g, 524 mg * 1g/ 1000 mg = 0.524 g, 200g + 80.0 g + 0.524 g=280.524 g.
Mass is commonly referred to as the quantity of matter contained within an object. It is most usually assessed as inertial mass, which refers to an object's tension to acceleration given a given net force.
Matter, on the other hand, is defined somewhat loosely in science and cannot be strategically placed. In physics, mass is a statistical expression of inertia, which is a fundamental precept of all matter.
It is, in influence, the highly resistant that a cell of matter provides to a modification in its speed or placement when a force is applied to it. The smaller the start changing created by an applied force, the greater the mass of the body.
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how to convert 45 degrees celsius to fahrenheit?
45 degrees Celsius in Fahrenheit is 113F. Fahrenheit and Celsius are related in that they are both units of temperature measurement.
The formula to convert Celsius to Fahrenheit is:
[tex]F = (C * 1.8) + 32[/tex]
Using this formula, we can calculate the conversion of 45 degrees Celsius to Fahrenheit.
First, we multiply 45 times 1.8:
45 Celsius x 1.8 = 81
Next, we add 32 to 81:
81 + 32 = 113
Therefore, conversion of 45 degrees Celsius to Fahrenheit is equal to 113 degrees Fahrenheit.
Fahrenheit was developed by German physicist Daniel Gabriel Fahrenheit in the early 1700s. It is a scale based on 0 degrees as the freezing point of water and 96 degrees as the boiling point of water.
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what is specific gravity of water?
The specific gravity of water at exactly 4°C is 1 and the density of water depends on the temperature of water.
A substance's specific gravity is determined by dividing its material's density by that of a standard liquid. The reference liquid is generally water. As a result, the specific gravity can also be explained as the relation of the material's density to water's density.
A common tool for determining a liquid's specific gravity is the hydrometer. A hydrometer is a floating bulb with measurement markers affixed to a stalk. The relative density of the two liquids can be calculated by measuring how much of the stalk is immersed in the target liquid in comparison to a reference liquid.
Another tool for determining a liquid's density while accounting for volume is a pycnometer. The container is made of glass, and the tight-fitting lid lets any extra liquid out. The relative density of the two fluids can be determined by comparing the overall weight of the pycnometer when it is full to the weight when it is full of a known fluid.
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what is brf3 lewis structure
The Lewis structure of BrF3 comprises three Fluorine atoms surrounding a central Bromine atom (Br) (F).
Each fluorine atom and the bromine atom (Br) are connected by three single bonds (F). The Bromine atom (Br) has two lone pairs, whereas all three of the Fluorine atoms have three lone pairs (F). Since the bromine atom's two lone pairs lead the molecule to be twisted or distorted, BrF3 (bromine trifluoride) is a polar molecule in nature. Because of the uneven charge distribution between the three fluorine atoms and th bromine atom, the BrF3 molecule is polar. The compound BrF3 is sp3d hybridised from the BrF3 Lewis structure, and three fluorine atoms are bound to Br in a T-shape with two lone pairs.
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What causes absolute refractory period?
The absolute refractory period is a period of time after a neuron fires an action potential during which it is unable to fire another action potential, no matter how strong the incoming stimulus be.
This is caused by the opening and closing of ion channels in the neuron's cell membrane. During an action potential, the neuron's membrane potential rapidly depolarizes, meaning it becomes more positive, due to the influx of positively charged ions such as sodium. This depolarization activates voltage-gated ion channels that allow more positively charged ions to flow into the cell, which in turn causes the membrane potential to further depolarize.
However, during this depolarization phase, there is a brief period where voltage-gated potassium channels also open, allowing positively charged potassium ions to flow out of the cell. This outflow of positively charged potassium ions helps to repolarize the membrane potential, bringing it back towards its resting state.
After the potassium channels close, there is a brief period during which the membrane potential is hyperpolarized, meaning it becomes even more negative than its resting state. During this time, the neuron is in its absolute refractory period and is unable to fire another action potential, because the voltage-gated ion channels are closed and unable to respond to incoming stimuli.
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what is the term for the electrical force that occurs when two charges have a difference in potential?
The term for the electrical force that occurs when two charges have a difference in potential is electric potential difference, or voltage.
When there is a difference in electric potential between two points in an electric circuit, electric charges will flow from the point of higher potential to the point of lower potential, creating an electric current. Voltage is a measure of the energy required to move a unit of electric charge between two points in a circuit.
The unit of measurement for voltage is the volt (V), named after Italian physicist Alessandro Volta. One volt is defined as the electric potential difference between two points in a circuit when one joule of energy is used to move one coulomb of electric charge between those points.
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a metal conducting sphere of radius r holds a total charge q. what is the charge enclosed by a gaussian sphere of radius r, where 0 < r < r?
The charge enclosed by a Gaussian sphere of radius r, where 0 < r < r, is q. This is because the charge enclosed by a Gaussian surface only depends on the total charge inside the surface, and not on the shape or size of the surface.
In this case, the conducting sphere of radius r is the same as the Gaussian sphere of radius r, so all of the charge q is enclosed by the Gaussian sphere. As the radius of the Gaussian sphere decreases to zero, the charge enclosed by the sphere also decreases to zero, since there is no charge inside the sphere
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what is the evidence for the statement that white light is a composite of all the colors of the spectrum?
The Prism Experiment by Sir Isaac Newton is evidence that white light has all colors of the spectrum.
These experimental observations provide strong evidence for the statement that white light is a composite of all the colors of the spectrum.
One of the earliest pieces of evidence was provided by the famous scientist Sir Isaac Newton, who demonstrated that white light could be separated into its component colors using a prism. When a beam of white light is passed through a prism, the light is refracted at different angles, depending on the wavelength of the light. This causes the different colors to separate into a continuous spectrum, from red to violet.Another piece of evidence comes from the observation that when different colors of light are combined, they can produce white light. For example, when red, green, and blue light are mixed together, they produce white light. This is the basis for how color displays on televisions, computer screens, and other electronic devices work.Furthermore, it has been demonstrated that each color in the spectrum corresponds to a unique wavelength of light. This is supported by the fact that light can be analyzed using a spectrometer, which separates the different colors of light based on their wavelengths.Learn more about white light here:
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Read each scenario below. then select the answer choices that complete the sentences. a car engine has power than a horse because a car engine does the same amount of work in time. yasmin and raj each had 10 boxes of equal weight to stack next to each other on the same shelf, at the same height and in the same arrangement. yasmin completed the task in 2 minutes, while raj took 3 minutes to stack his boxes. raj applied power than yasmin because his stacking took time to do the same amount of work.
In both scenarios, the concept of power and work is demonstrated. A car engine has more power than a horse because a car engine can do the same amount of work in less time. Raj applied less power than Yasmin because his stacking took more time to do the same amount of work.
Power is defined as the rate at which work is done, which means that the more power applied, the faster work can be done.
In the first scenario, a car engine has more power than a horse because it can do the same amount of work in less time. This is because the car engine can convert energy from fuel more efficiently than a horse can convert energy from food. As a result, the car engine can produce more power and do more work in a shorter amount of time.
In the second scenario, Yasmin completed the task of stacking 10 boxes in 2 minutes, while Raj took 3 minutes to complete the same task. This means that Yasmin applied more power than Raj because she was able to do the same amount of work in less time. This could be due to a variety of factors, such as Yasmin having more experience or strength, or using a more efficient technique.
These scenarios demonstrate that power and work are closely related.
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___The given question is incomplete, the complete question is given below:
A car engine has___ power than a horse because a car engine does the same amount of work in___ time. Yasmin and Raj each had 10 boxes of equal weight to stack next to each other on the same shelf, at the same height and in the same arrangement. Yasmin completed the task in 2 minutes, while Raj took 3 minutes to stack his boxes. Raj applied___ power than Yasmin because his stacking took____ time to do the same amount of work.
Answer:
More for the first question
Less for the second question
Less for the third question
More for the fourth question
Explanation:
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how many second in a year
The number of seconds in 365 days is 31,536,000 seconds.
The number of days in a year is 365 days. The number of hours in a day is 24 hours. The number of minutes in an hour is 60 minutes. The number of seconds in a minute is 60 seconds. So the number of seconds in a year is 365×24×60×60 = 31536000 seconds.
There are 31,536,000 seconds in a year. This is calculated by multiplying the number of seconds in a minute (60) by the number of minutes in an hour (60) by the number of hours in a day (24) by the number of days in a year (365).
However, it's worth noting that a year is not always exactly equal to 31,536,000 seconds. Because the length of a year is not exactly equal to 365 days, a leap year has an additional day (366 days). This means that a leap year has 31,622,400 seconds or approximately 86,400 seconds more than a non-leap year.
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freezing temperature celsius
The freezing temperature in Celsius is 0 degrees Celsius (°C).
Freezing temperature is the temperature at which a liquid transitions to a solid state. The value of the freezing temperature depends on the chemical composition of the liquid, as well as the surrounding pressure and other factors.
For pure water, the freezing temperature in Celsius is 0°C (32°F) at standard atmospheric pressure. This means that when the temperature of liquid water drops to 0°C, it will begin to freeze and solidify into ice. However, if other substances are added to the water, such as salt or sugar, the freezing temperature will be lowered due to the phenomenon of freezing point depression.
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--The complete question is, Freezing temperature in celsius is ______.--
as the atoms move even closer which force is the strongest
The electromagnetic force is the most powerful force that is present as atoms come together.
One of the four fundamental forces of nature, the electromagnetic force governs interactions between electrically charged particles like electrons and protons. Electrostatic forces can grow quite strong as atoms approach closer to one another and their individual electron clouds start to overlap.
Compared to other fundamental forces like gravitation and the weak nuclear force, which are weaker as particle distance rises, the electromagnetic force is much stronger. The strong nuclear force is superior than the electromagnetic force across distances of the order of the size of atomic nuclei, although it is only strong over very short distances.
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In the compound pulley, how many Newtons of force are applied to the load if 200 Newtons of effort force are applied to the pulley?
The requried load will have 400 Newtons of force applied to it, even though only 200 Newtons of effort force are used to lift it.
What is load distribution in compound pully?In a compound pulley, the load is lifted by multiple pulleys that are arranged in a certain way to increase the mechanical advantage. The mechanical advantage of a pulley system is determined by counting the number of strands of the rope that support the load.
Assuming an ideal, frictionless pulley system, the mechanical advantage of a compound pulley with two pulleys is 2. This means that the load is lifted with twice the force of the effort force.
So if 200 Newtons of effort force are applied to a compound pulley with a mechanical advantage of 2, the load will be lifted with a force of 2 x 200 Newtons, or 400 Newtons. Therefore, the load will have 400 Newtons of force applied to it, even though only 200 Newtons of effort force are used to lift it.
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how are electromagnets used in roller coaster design
Answer:
The electromagnets are installed on the top or the side of the track
Explanation:
i think
for object 1 to have a higher absolute temperature than object 2, object 1 must have a —
"For object 1 to have a higher absolute temperature than object 2, object 1 must have a higher average internal kinetic energy."
The temperature of an item on a scale where 0 is assumed to be absolute zero is known as its absolute temperature, also known as thermodynamic temperature. The Kelvin and Rankine gauges measure absolute temperature. The temperature at which a machine has the least amount of energy is called absolute zero.
These molecules and atoms move more rapidly when something is heated, providing it with more thermal energy. Compared to frigid water, hot water has more thermal energy. Molecules and atoms in colder things move more slowly and have less thermal energy than those in warmer ones.
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What is the conversion of 99.3 f to c ?
99.3°F is equivalent to 37.4°C
A temperature unit developed from the SI (International System of Units) is Celsius (symbol: °C).
Prior to the adoption of the metric system, Fahrenheit (symbol: °F) was a commonly used measurement of temperature.
To convert Fahrenheit (°F) to Celsius (°C) we have to first subtract 32 from Fahrenheit and then multiply it by .5556 or 5/9.
We have to convert 99.3 degrees Fahrenheit (°F) to Celsius (°C),
We can use the following formula:
°C = (°F - 32) x 5/9
As per the given information,
°F = 99.3
Substituting the value 99.3 for °F, we get:
°C = (99.3 - 32) x 5/9
= 67.3 x 5/9
= 37.4
Therefore, 99.3°F is equivalent to 37.4°C.
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which kind of natural disaster claims more lives in the united states on an average year?
On average, lightning claims more lives in the united states a year in the U.S.
An electrical discharge which is caused by imbalances between storm clouds and the ground is Lightning. Lightning mostly occurs within the clouds.
Lightning is not only spectacular, but it’s also dangerous. On average nearly 2,000 people's life is claimed worldwide by lightning each year. Even though hundreds may survive strikes but suffer from a difference of lasting symptoms, which include dizziness, numbness, weakness, memory loss, and other life-altering ailments.
Cardiac arrest and severe burns can also be caused by Strikes, but 9 of every 10 people survive. About a 1 in 5,000 chance of being struck by lightning during a lifetime is noticed by average Americans.
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which would probably be the most effective way to reduce the amount of methane released into the atmosphere?
Reducing the number of cows we raise for meat would probably be the most effective way to reduce the amount of methane released into the atmosphere
How to reduce methane in the atmosphereIf farmers generated more food from plants and less from livestock, or if they moved to more productive cattle herds, methane emissions from agriculture would probably be reduced. Moreover, emissions from landfills might be recorded.
According to estimates, the agricultural sector is responsible for 40% of all human-caused methane emissions. Avoiding the burning of fields after harvest, modifying livestock feed to reduce methane emissions, and routinely draining rice paddies are all examples of reduction techniques. a fossil fuel.
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where did darwin do most of the work which led to his hypothisis on evolution
Answer:
He collected many specimens of the finches on the Galapagos Islands. These specimens and his notebooks provided Darwin with a record of his observations as he developed the theory of evolution through natural selection.
What is the conversion of 97.6 f to c ?
97.6 °F is equivalent to 36.44 °C (rounded to two decimal places).
To convert a temperature from Fahrenheit (°F) to Celsius (°C), we can use the following formula:
°C = (°F - 32) × 5/9
where °F is the temperature in Fahrenheit and
°C is the temperature in Celsius.
Substituting the given temperature, we have:
°C = (97.6 - 32) × 5/9
°C = 65.6 × 5/9
°C = 36.44
Temperature is a physical measure that quantifies our feelings of hotness and coolness.
A thermometer is used to measure temperature.
Thermometers are calibrated in a variety of temperature scales that have traditionally been defined by various reference points and thermometric substances.
The most prevalent scales are the Celsius scale (previously known as centigrade), the Fahrenheit scale (°F), and the Kelvin scale (K), with the latter being used mostly for scientific reasons.
The kelvin is one of the International System of Units' seven basic units (SI).
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how much would a 55 kg person weigh on phobos? express your answer in newtons.
The weight on Phobos will be 0.3135 N
How much would a 55 kg person weigh on phobos?We know that weight is defined as:
W = mass*gravitational acceleration.
Here we know that the mass of the person is 55 kilograms, and we also know that the gravitational acceleration on phobos is:
g = 0.0057 m/s²
Then the weight will be
W = 55kg*0.0057 m/s² = 0.3135 N
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The Batman runs up a 9.5 m bat ladder. The Caped Crusader has a mass of 52 kg and is carrying 15 kg of crime fightin’ gear. If the super hero developed 1 685 watts, how much time did it take to reach the top of the bat ladder?
Answer:
1685 W = 15 kg * 9.5 m / t
t = 15 kg * 9.5 m / 1685 W
t = 7.89 seconds
what is joules to calories?
One joule is equal to 0.239 calories.
Both joules and calories are units of energy. Joule is the SI unit of energy, whereas the calorie is a non-SI unit of energy commonly used in nutrition. One calorie is defined as the amount of heat required to raise the temperature of 1 gram of water by 1 degree Celsius.
One joule is defined as the amount of energy required to apply a force of 1 Newton through a distance of 1 meter. The conversion factor between joules and calories is 1 calorie = 4.184 joules. Therefore, one joule is equal to 0.239 calories (1 calorie/4.184 joules).
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--The complete question is, What is 1 joule equal to in calorie?--
The largest deflection from the isoelectric line in the ECG is found in the Multiple Choice A) P wave. B) T wave. C) T-P segmept. D) QRS complex. E) P-R interval.
The largest deflection from the isoelectric line in the ECG is found in the QRS complex.
The correct option is D.
What is an ECG?An ECG (electrocardiogram) is a medical test that records the electrical activity of the heart. It is a non-invasive procedure that involves attaching electrodes to the skin of the chest, arms, and legs, which detects the electrical signals generated by the heart as it beats. These signals are amplified and recorded, producing a visual representation of the heart's electrical activity over time, known as an ECG waveform.
The QRS complex is the largest deflection from the isoelectric line in the ECG. It represents the depolarization of the ventricles and is typically a sharp, narrow peak.
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A stone is dropped from the top of a tall building and at the same time another stone is thrown vertically upwards from the ground level with a velocity of 20m/s. The stones meet at exactly 5s after their release. Calculate the height of the building? (g=10m/s²)
The height of the building is 42.4 meters.
What is the height of the building?
Let's call the height of the building "h". We can use the following kinematic equations to solve for "h":
For the stone that is dropped from the top of the building:
h = (1/2)gt² (Equation 1)
For the stone that is thrown upwards from the ground:
y = vt - (1/2)gt² (Equation 2)
where;
y is the distance travelled by the stone upwards from the ground andv is the initial velocity of the stone (which is 20 m/s in this case).We know that the two stones meet at exactly 5s after their release. This means that the distance travelled by the stone thrown upwards from the ground is equal to the height of the building, i.e.,
y = h
We can substitute this equation into Equation 2 and rearrange it to solve for "t":
h = vt - (1/2)gt²
h = 20t - (1/2)gt²
t = (2h/g - 20)/(-1) (Equation 3)
Now we can substitute Equation 3 into Equation 1 and solve for "h":
h = (1/2)g((2h/g - 20)/(-1))²
h = (1/2)g(2h/g - 20)²
h = (1/2)g(4h²/g² - 80h/g + 400)
Simplifying this equation by multiplying everything by 2g and moving all the terms to one side, we get:
4h² - 160h - 400 = 0
Solving this quadratic equation using the quadratic formula, we get:
h = (160 ± sqrt(160² + 4(4)(400))) / (2(4))
h = (160 ± sqrt(32,000)) / 8
We can ignore the negative solution, so:
h = (160 + 178.88) / 8
h = 42.4 meters
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For a pair of objects, the center of mass is located.
Choose one: A. along the line between the two objects, closer to the less massive object.
B. at the center of the less massive object.
C. at the center of the more massive object.
D. along the line between the two objects, closer to the more massive object.
For a pair of objects, the center of mass is located option (D) along the line between the two objects, closer to the more massive object.
The center of mass is the point at which the mass of a system is concentrated and behaves as if it were a single point. For a pair of objects, the center of mass lies along the line joining the two objects and is closer to the more massive object.
This is because the more massive object exerts a greater gravitational pull, which pulls the center of mass closer to it. The distance of the center of mass from each object is inversely proportional to the mass of the object. Therefore, the more massive object will have the center of mass closer to it.
Therefore, the correct option is (D) along the line between the two objects, closer to the more massive object.
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Is 500ml equal to 1 litre?
A liter is a unit of volume in the metric system, and is equal to 1,000 milliliters (ml). Therefore, 500ml is equal to half of 1 liter.
In the metric system, a liter is equal to 1,000 cubic centimeters. One liter is also equal to 1 cubic decimeter, which is the volume of a cube with sides of 10cm.
Given that 1 liter is equal to 1,000 milliliters, the relationship between 500ml and 1 liter can be represented by the equation 1L = 1000 ml = 500ml x 2.
In other words, 500ml is equal to one-half of 1 liter.
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Are electron transport chain and oxidative phosphorylation the same process?
The electron transport chain and oxidative phosphorylation are closely related but are not the same process.
The electron transport chain and oxidative phosphorylation are two separate processes that occur during cellular respiration. The electron transport chain involves a series of electron carriers that transfer electrons from NADH and FADH2 to oxygen, creating a proton gradient across the mitochondrial inner membrane.
Oxidative phosphorylation, on the other hand, is the process by which ATP is synthesized using the energy from the proton gradient created by the electron transport chain.
While the electron transport chain and oxidative phosphorylation are closely related and dependent on each other, they are distinct processes that occur in different locations within the mitochondria. The electron transport chain occurs in the inner mitochondrial membrane, while oxidative phosphorylation occurs in the mitochondrial matrix.
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Two boys of masses 45kg and 60kg sit facing one another on light frictionless trolleys holding the ends of a strong taut cord between them. The lighter boy tugs the cord and acquires a velocity of 2m/s. What is the initial velocity of the other boy? What happens to their motion when they collide? Explain your answers carefully.
The lighter youngster pulls on the cord to reach a speed of 2 m/s. What is the other boy's beginning velocity when they collide, what occurs to their motion.
A collision is what?Particles in this homogeneous-appearing heterogeneous mixture range in size from 1 nm to 100 nm (1 nm = 109 m) and are scattered across a continuous media. In this instance, the two bodies quickly exert forces on one another. The collision changes the momentum and energy of the bodies that are interacting.
An example of a combination?A mixture is a physical combination of two or more distinct substances that can come in the form of liquids, suspensions, or colloids.
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you should observe that 0.2 v elicits 0 g of force. why hasn’t a force been generated?
The force has not been generated because Option A: The threshold minimum has not been reached.
Threshold stimulus is the energy or force that is capable of giving rise to an action potential. It ranges between -50 mV to -55V. Thus, when 0.2V elicits 0g of force, the force has not been generated because the threshold minimum may not be reached appropriately.
The force that rises in a neuron is a result of the action potential. Action potential is a sudden, fast, and transitory change of the resting membrane potential. Action potential can only arise in neurons and muscle cells. the property of these nerves to generate an action potential is called excitability.
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Complete question is:
You should observe that 0.2 V elicits 0 g of force. Why hasn't a force been generated?
-The threshold stimulus has not been reached
- A muscle will not respond until it is stimulated with a threshold stimulus or a stimulus greater than the threshold stimulus.
