The approximate conduction velocity of motor nerves is around 50 meters per second (m/s).
Explanation: The rate at which an electrical impulse travels along a nerve fiber is referred to as nerve conduction velocity. The nerve's myelin sheath's thickness and the diameter of the fiber determine this velocity. As a result, motor neurons' myelinated fibers have a quicker conduction velocity than sensory neurons.T
he velocity of nerve impulses is a measure of how quickly an impulse can travel along a nerve fiber's length. When the fiber is stimulated, the impulse travels along the fiber and is transmitted to the next nerve cell in the series, which can also be a muscle or gland cell. Therefore, conduction velocity determines the speed at which a reflex occurs or a muscle contracts.
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A gas has an initial pressure of 50kpa at a temperature of -67°c. calculate
the final pressure of this gas if its temperature is increased to 398°c at a
constant volume.
Answer:
the pressure will be 297.01 kpa
a piece of putty moving with 1 unit of momentum strikes and sticks to a heavy bowling ball that is initially at rest. Both move with a combined momentum of
Answer:
1 unit
Explanation:
Given that,
A piece of putty moving with 1 unit of momentum strikes and sticks to a heavy bowling ball that is initially at rest.
According to the law of conservation of linear momentum, for an isolated system, the net momentum of the system remains conserved.
Here, momentum before the collision = 1 unit
It would mean that momentum after the putty sticks to the ball, the combined momentum will be equal to 1 unit.
whole blood collected from a donor should remain at what temperature before the separation and preparation of platelet concentrates? a. A. 20oC to 24oC
b. 1oC to 6oC
c. 1oC to 10oC
d. Varies with the facility
The whole blood collected from a donor should remain at option (a) a. 20°C to 24°C. temperature before the separation and preparation of platelet concentrates
Whole blood collected from a donor should be kept at a temperature of 20°C to 24°C before the separation and preparation of platelet concentrates. This temperature range is known as the "room temperature" range and is ideal for maintaining the viability and function of platelets.
If the temperature is too low (i.e., below 20°C), the platelets can become activated and lose their function, leading to reduced efficacy. If the temperature is too high (i.e., above 24°C), the risk of bacterial growth and contamination increases, which can compromise the safety of the platelet concentrate.
It's important to note that the temperature range may vary slightly depending on the specific facility and its protocols, but generally, the room temperature range is considered optimal for the preparation of platelet concentrates.
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You do 20 J of work pushing a crate up a ramp. If the output work from the inclined plane is 11 J, then what is the efficiency of the inclined plane?
Answer:
55%
Explanation:
take efficiency=power output/power input multiply by 100%
heat transfer that occurs through liquids and gases is called
Heat transfer that occurs through liquids and gases is called Convection.
Heat transfer is the exchange of thermal energy between physical systems. It occurs when there is a temperature difference between two objects or regions of space, causing heat to flow from the hotter system to the cooler one. There are three modes of heat transfer: conduction, convection, and radiation.
Conduction is the transfer of heat through a material by direct contact. In this mode, heat flows from a region of higher temperature to a region of lower temperature. Convection is the transfer of heat through a fluid (liquid or gas) by the movement of the fluid itself. This mode of heat transfer occurs through convection currents, where hot fluids rise and cooler fluids sink.
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Which of these describes a real image?
Pleaaaseee heeelp meeee
How much work does it take to accelerate from 5 m/s to 10 m/s?
Answer:
KE (5) = 1/2 M V^2 = 25/2 M
KE (10) = 1/2 M V^2 = 100/2 M
KE (10) - KE (5) = M/2 (100 - 25) = 75/2 / M
An object traveling at 10 m/s has 4 times the kinetic energy as an object traveling at 5 m/s
Total work would depend on the mass being accelerated
How does the Coriolis effect influence the direction of the Trade Winds in the Northern Hemisphere? Does it have the same effect in the Southern Hemisphere?
Answer:
Part A
Coriolis effect is used to describe how objects which are not fixed to the ground are deflected as they travel over long distances due to the rotation of the Earth relative to the 'linear' motion of the objects
Due to the Coriolis effect the wind flowing towards the Equator from high pressure belts in the subtropical regions in both the Northern and Southern Hemispheres are deflected towards the western direction because the Earth rotates on its axis towards the east
Part B
In the Northern Hemispheres, the winds are known as northeasterly trade winds and in the Southern Hemisphere, they are known as the southeasterly trade wind. Therefore, Coriolis effect has the same effect on the direction of the Trade Winds in the Southern Hemisphere as it does in the Northern Hemisphere
Explanation:
A 100 meter dash was held with 20 contestants. The best time was 10.7 seconds, and the worst time was 15.3 seconds. Only the fastest 10 contestants advance to the final race.
Which measure of central tendency should be used to calculate the cutoff time for the final race?
A.
range
B.
mode
C.
median
D.
mean
The measure of central tendency that should be used to calculate the cutoff time for the final race is the median.
Option C.
What is median?The median is the middle point in a dataset—half of the data points are smaller than the median and half of the data points are larger.
To find the median: Arrange the data points from smallest to largest. If the number of data points is odd, the median is the middle data point in the list.
So from the given data of the 100 meter dash, the measure of central tendency that should be used to calculate the cutoff time for the final race is the median.
The median will help to separate half of the data points that are smaller than the cutoff time and half of the data points are larger than the cutoff time.
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If an airplane's thrust is 235 mph and the wind's drag is 300 mph, would
the plane have enough net force to fly?*
A. Yes, the net force is 65 mph thrust.
B. No, the net force is 65 mph drag.
C.. Yes, the net force is 535 mph thrust.
D. No, the net force is 535 mph drag.
Answer:
B. No, the net force is 65 mph drag.
Explanation:
The thrust speed is given by 235 mph
The wind's drag is given as 300 mph
Now, drag is the opposite of thrust as it opposes the motion of the plane.
Excess force = thrust - drag = 235 - 300 = -65 mph
Since it's negative, it means the plane wouldn't move forward as the resisting speed is more than the thrust speed.
Thus, the plane wouldn't have enough to fly because there is a net force of 65 mph drag.
A bowling ball is attached to a 2.48-meter long cable and hung from the ceiling. The cable is kept taut and the ball is raised to an initial height of 1.61 meters above the classroom floor. It is released from rest and allowed to swing as a pendulum. Determine its speed (in m/s) when it is at a height of 1.23 meters above the floor.
Answer: heyyy want to talk your question
Explanation:
Speed (in m/s) when it is at a height of 1.23 meters above the floor will be 2.73 m/s
What is Potential energy ?The energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors is called Potential energy
Potential energy when h1= 1.61m will be : mgh1 = mg(1.61)
Potential energy when h2= 1.23m will be : mgh2 = mg(1.23)
the change in potential energy will be converted to kinetic energy :
mgh1 - mgh2 = 1/2 m \(v^{2}\)
mg(h1-h2) = 1/2 m \(v^{2}\)
g(h1 - h2 ) = 1/2 \(v^{2}\)
9.8 (1.61 - 1.23 ) = 1/2 \(v^{2}\)
\(v^{2}\) = 7.448
v= 2.73 m/s
Speed (in m/s) when it is at a height of 1.23 meters above the floor will be 2.73 m/s
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Children on the autism spectrum are at risk for nutritional deficiencies because?
Explanation: Research highlights the individuals with ASDS are nutritionally vulnerable because they exhibit a selective or pick eating pattern and sensory sensitivity that predisposes them to restricted intakes.
I hope this helps!
_________ is the systematic self-observation and analysis of one’s conscious experience.
A.
Interrogation
B.
Introgression
C.
Internalization
D.
Introspection
Please select the best answer from the choices provided
A
B
C
D
Answer:
D:Introspection
Explanation:
Answer:
D
Explanation:
took the test got it right
Find the odd one out a)Planets moving on it's axis,Strings of guitar (being played),Motion of a ferry wheel,The vehicles moving on a straight road. b)Motion of the moon around the earth,Motion of the earth around the sun,Motion of a merry-go-round,Heart-beat in a healthy person. c)Motion of a bullet fired from gun,Motion of a football player in the ground,Motion of a vehicle on a straight road,Motion of an apple falling from a tree
Answer:
a) Strings of guitar (being played)
b) Heart-beat in a healthy person
c) Motion of an apple falling from a tree
Explanation:
a) The motion of the string of a guitar being played is the only motion involving simple harmonic motion.
b) All the other motions are circular motion except the heart beat in a healthy person, which is periodic.
c) The motion of an apply falling from a tree is the only motion under the complete influence of gravity from the onset till the end.
move 5meters east then move 5meters west
The distance and the displacement of an object are 10 m and 0 m.
The complete question is in the attachment. Distance is a scalar quantity that does not pay attention to direction. The total distance traveled is the sum of all the distances traveled by an object.
Traveled 5 m to eastDisplacement is a vector quantity that is concerned with both magnitude and direction. The magnitude of the displacement is the result of two vectors.
R² = d₁² + d₂² + 2 × d₁ × d₂ × cos θ
where θ is the angle between two vectors.
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Which location is the best option for buying food directly from farmers?
A) chain restaurant
B) farmer’s market
C) deli
D) supermarket
Answer:
B) Farmers Market
When most people decide to buy food, they go to a grocery
store. Grocery stores sell many different kinds of food in just one
store. Some grocery stores also carry household goods such as
aluminum foil, cleaning supplies, and diapers. A grocery store is
a convenient place to shop for the kitchen and beyond.
Despite the ease of shopping in a grocery store, some people
decide to buy their food from other places. Farmers' markets are
one alternative to grocery stores. At a farmers' market, local
farmers sell the foods they grow to customers. The foods they
sell often include fruits, vegetables, and meats. Most of these
foods are freshly harvested with no artificial additions.
There are several ways in which farmers' markets are less convenient than grocery stores,
however. For example, packaged foods usually are not sold at farmer's markets. Many farmers do
not accept credit cards or checks as payment for their goods. What is more, most farmers' markets
are only open for business once or twice each week. While this often deters some shoppers,
others are willing to accept these inconveniences in exchange for the fresh and local food found at
farmers' markets.
Deciding whether to shop for food at grocery stores or at farmers' markets is a personal choice.
This choice reflects a person’s values about life and about food. Those who value convenience
and variety will probably choose to shop at a grocery store. People who value freshness and enjoy
supporting local farmers probably will prefer the farmers' market. Fortunately, most communities
provide options for both kinds of shoppers.
1) The main purpose of this passage is to
A. compare two places where people buy food
B. convince readers that farmer's markets are superior to grocery stores
C. explain why the smartest people shop at grocery stores
D. show that people should be judged based on where they buy their food
Brainliest pls?
Have a wonderful day! :-)
Answer: farmers market
Explanation: give brainlest to other person who answered
The law of conservation of momentum states that __________.
Answer:
The law of conservation of momentum states that, in the absence of an external force, the momentum of a system remains unchanged.
Explanation:
What is the main disadvantage of additive synthesis?
Additive synthesis is a sound synthesis technique that involves the combination of multiple sine waves to create complex sounds. The main disadvantage of additive synthesis is that it can be time-consuming and computationally expensive to generate complex sounds with a large number of harmonics.
This is because each harmonic must be individually specified and manipulated, which can require a lot of processing power. Another disadvantage of additive synthesis is that it can be difficult to create natural-sounding timbres, as the human ear is sensitive to subtle variations in the amplitude and phase relationships between harmonics.
It can also be challenging to control the spectral content of the resulting sound, as small changes in the amplitudes and frequencies of individual harmonics can have a significant impact on the overall sound.
Despite these challenges, additive synthesis remains a powerful tool for sound design and music production. With careful attention to detail and the use of specialized software and hardware, it is possible to create complex and expressive sounds using additive synthesis techniques.
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47. An airplane moves at 141 km/h towards 45° Northeast. What is its component velocity in the northward direction? A. 41 km/h B. 100 km/h C. 110 km/h D. 141 km/h
An airplane moves at 141 km/h towards 45° Northeast,the component velocity of airplane towards northward direction is 110 km/h.
What is component velocity?Component velocity is the speed with which individual components of an entity—a system, a machine, an organization, or any other entity—are moving along in pursuit of the entity’s goal. The components of an entity can include parts, processes, people, and other elements. Component velocity is the rate of progress for each of the components that are a part of the entity’s overall plan. It is a measure of how quickly the individual components of the system are progressing towards the stated objectives..
Explanation: To find the component velocity in the northward direction, we need to use the trigonometric function tangent. The tangent of 45° is 1. Therefore, the component velocity in the northward direction would be 141 km/h x 1 = 110 km/h.
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Why does Mars provide the best opportunity for habitation by humans?
Answer:
Mars is an opportunity for humans to carry forward the light of consciousness, plus it is the closest planet like earth, it has land humans can land on and although its small, theres still water
A railway wagon of mass 100 kg is pulled with a force of 1000 N. what is its Acceleration ?
Solution,
Mass(m)= 100kgForce(F)= 1000NAcceleration (a)=?We know that,
\(f = ma \\ \frac{f}{m} = a \\ \frac{1000}{100} = a \\ 10 = a\)
Therefore,
Acceleration produced will be 10m/s².
Which is an example of sedimentation?
a cliff forming as rocks crack and fall away
B.
a sandbar forming as suspended particles settle over time
C.
a volcano forming as one lithospheric plate is subducted
under another
D.
a marble shelf forming under Earth's surface as rock is
melted and recrystallized
Whic
C
*********
C
An example of sedimentation is a sandbar forming as suspended particles settle over time.
option B.
What is sedimentation?
Sedimentation is the deposition of sediments. It takes place when particles in suspension settle out of the fluid in which they are entrained and come to rest against a barrier.
Also, Sedimentation is a process of settling down of the heavier particles present in a liquid mixture. For example, in a mixture of sand and water, sand settles down at the bottom. This is sedimentation.
Other examples of sedimentation include;
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What are 2 benefits from vitamin b and 2 food sources?
PLEASE ANSWER ASAP
A 5 kg bowling ball traveling at 2 m/s hits a motionless 10 kg bowling ball. If the smaller ball bounces back at a speed of -1 m/s, what will be the speed of the larger ball after the collision?
Hi there!
Recall the conservation of momentum:
m1v1 + m2v2 = m1v1' + m2v2'
Let m1 = 5 kg ball and m2 = 10 kg ball
Since m2 is at rest, we can rewrite:
m1v1 = m1v1' + m2v2'
Plug in the given values:
5(2) = 5(-1) + 10v2'
Solve for v2':
10 = -5 + 10v2'
15 = 10v2'
15/10 = 1.5 m/s
We know that,
m1v1 + m2v2 = m1v1' + m2v2'
5 x 2 + 0 = 5 x -1 + 10 x v2'
10= -5 +10 x v2'
15 = 10 x v2'
v2' = 15/10
v2' = 1.5 m/s
hence , the speed of the larger ball after the collision will 1.5m/s
a metal ring lies on a table. a magnet situated above the ring with its s pole closer to the ring and its n pole away from the ring moves away from the ring perpendicularly. which answer and explanation correctly predict the direction of the induced current as seen from above?
According to Faraday's law of electromagnetic induction, a changing magnetic field induces an electric current in a conductor.
In this case, as the magnet moves away from the metal ring, the magnetic field through the ring decreases, inducing a current in the ring. The direction of the induced current can be determined by Lenz's law, which states that the current flows in a direction to oppose the change that produced it. Therefore, the induced current will create a magnetic field that opposes the motion of the magnet and will flow in a direction such that its magnetic field is in the opposite direction to that of the magnet.
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The mass of Jupiter is 4 x 1023 kg. If the mass of the Sun is 2 x 1030 kg and the sun and Jupiter are 7 x 1011 m apart, what is the force of gravity between the two?
Answer:
the force is 2000
Explanation:
what unit is also known as an "inverse meter," or "m-1?"
The term "inverse meter" or "m-1" refers to the reciprocal of a meter, a unit used for measuring spatial frequency or wavenumber. It describes the number of wavelengths present in one meter of a wave or pattern.
The unit that is also known as an "inverse meter," or "m-1," is the wave number. The wave number is defined as the reciprocal of the wavelength and is used in spectroscopy to describe the spacing between energy levels of molecules. In summary, the answer to your question is that the unit that is known as an "inverse meter" or "m-1" is the wave number, which is used in spectroscopy to describe the spacing between energy levels of molecules.
The unit known as an "inverse meter" or "m-1" is the reciprocal of the meter, which represents the measurement of spatial frequency or wavenumber. In other words, it is a unit used to describe the number of wavelengths per meter in a wave or a pattern. In the context of three, you might be referring to three inverse meters (3 m^-1), which would indicate that there are three wavelengths within one meter of a wave or pattern.
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A simple compound microscope provides large magnification by employing
A) a short focal length objective and a short focal length eyepiece.
B) a short focal length objective and a long focal length eyepiece.
C) a long focal length objective and a short focal length eyepiece.
D) a long focal length objective and a long focal length eyepiece.
A simple compound microscope provides large magnification by employing a short focal length objective and a short focal length eyepiece.
A compound microscope is a high magnification microscope that uses two lenses to compound the level of magnification. The first lens is an objective lens and the second lens is an eyepiece lens.
In compound microscope both lenses are convex lenses. The objective lens has a very short focal length and hence has very high magnifying power (P ∝ 1/f ).
The image formed by the objective lens serves as the object to the eyepiece. The position of the eyepiece is kept such that the image formed by the objective lens is formed within the focal length of the eyepiece.
So, the focal length is short for eyepiece lens also.
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which of the following compounds has signals in its 13c nmr spectrum at 25.9 ppm (ch 3), 51.1 ppm (ch), 125.9 ppm (ch), 126.6 ppm (ch), 128.3 ppm (ch), and 148.5 ppm (c)?
To know which the following compounds has signals in its 13c nmr spectrum at 25.9 ppm (ch 3), 51.1 ppm (ch), 125.9 ppm (ch), 126.6 ppm (ch), 128.3 ppm (ch), and 148.5 ppm (c) is as follow:
The given carbon NMR spectrum consists of six signals, at the following chemical shifts: 25.9 ppm (CH3), 51.1 ppm (CH), 125.9 ppm (CH), 126.6 ppm (CH), 128.3 ppm (CH), and 148.5 ppm (C).
The possible organic compound that fits with these chemical shifts in carbon NMR spectrum is 2-chloro-4-methylpentane.
This is due to the protons, which are connected to sp3 carbons, have values between 20 and 50 ppm. 2-chloro-4-methylpentane has the following structure:
CH3- 25.9 ppm
CH- 51.1 ppm
CH2- 125.9 ppm
CH- 126.6 ppm
CH- 128.3 ppm
C- 148.5 ppm
Thus, 2-chloro-4-methylpentane has signals in its 13C NMR spectrum at 25.9 ppm (CH3), 51.1 ppm (CH), 125.9 ppm (CH), 126.6 ppm (CH), 128.3 ppm (CH), and 148.5 ppm (C).
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