If you touch a conductor through which electricity flows with an insulator, the likelihood of receiving a shock depends on several factors, including the voltage and current of the electrical source, the amount of insulation present, and how well the insulation is able to insulate from the electricity.
Insulators are materials that do not conduct electricity and are commonly used to provide a barrier between humans and electrical conductors to prevent electrical accidents. When an insulator is used to touch a conductor through which electricity flows, the insulator acts as a barrier and prevents the current from flowing through the material and into the body.
However, if the insulation is inadequate or damaged, or the voltage of the electrical source is high enough to overcome the insulating properties of the material, a shock can occur. The shock occurs when the current passes through the body, causing damage to organs, muscles, and nerves.
Therefore, it is important to ensure that proper insulation practices are followed when working with electrical conductors, and to use insulation materials that are sufficient to protect against the voltage and current levels of the electrical source being used. Generally, it is recommended to avoid touching electrical conductors altogether, as the risk of electrical accidents is always present.
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No, you will not receive a shock if you touch a conductor through which electricity flows with an insulator. An insulator is a material that does not conduct electricity, meaning it does not allow the flow of electric current.
It has high resistance and acts as a barrier, preventing the transfer of electrons. Therefore, when you touch a conductor with an insulator, the insulator acts as a protective layer that blocks the flow of electric current and prevents it from reaching your body. As a result, you will not experience a shock. However, it is important to note that the effectiveness of the insulator in preventing a shock depends on its quality and condition. If the insulator is damaged or has a low resistance, it may not provide adequate protection, and there is a risk of electric shock. Additionally, it is crucial to follow safety protocols and avoid touching conductors or working with electricity unless you are trained and have the necessary knowledge and equipment to do so safely.
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Urgent help needed in number four.
Thank you in advance!
The energy produced by the headlamp at the end of 5 minutes is determined as 1,440 J.
Energy supplied by the lamp
The energy supplied by the lamp is calculated as follows;
E = Pt
E = IVt
where;
I is current = 0.4 AV is voltage = 12 Vt is time = 5 mins = 5 x 60 s = 300 sE = 0.4 x 12 x 300
E = 1,440 J
Thus, the energy produced by the headlamp at the end of 5 minutes is determined as 1,440 J.
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What is the difference between heat capacity and specific heat?
don't spam -_++
Heat capacity is the amount of heat required to raise the temperature of an object by 1oC. The specific heat of a substance is the amount of energy required to raise the temperature of 1 gram of the substance by 1oC.
☆...hope this helps...☆
_♡_mashi_♡_
1. A material through which a wave travels
A.) Velocity
B.) Increases
C.) Decreases
D.) speed
E.) medium
Answer:
Medium
Explanation:
I took a test on this last semester.
If light travels at 3.00 x 10° m/s, how long does it take light from lightning to reach your house if the bolt was 6.4 x 103
m away from your house?
Answer:
2.13 x 10^-5
Explanation:
light travels at 3.00 x 10^8 m/s
it's like if someone asks how long would it take for a car to go 100 miles if it's traveling 50 miles per hour
you would do
100 ÷ 50
6.4 x 10^3 ÷ 3.00 x 10^8
2.13 x 10^-5
Explain the roles of the sympathetic division and parsympathetic division of the ANS in a fear response.(this is for psychology class,thank you very much)
Answer:
The parasympathetic division increases digestive activity and the sympathetic division decreases it. The Sympathetic Division of the ANS is responsible for mobilizing the body in response to situations that are threatening or otherwise exciting.
Explanation:
Have a great rest of your day
#TheWizzer
Answer:
What he said :3
Explanation:
Have a LOVELY~ day
-Roxanne Wolf
P.S: Novy made this picture for mwe UWU
Describe how work done is related to a change in volume of a fluid. 100 points
Answer: work is the pressure acting through the change in volume
Explanation:
In the same way that work is defined as force operating over a distance, work is the pressure acting through the change in volume. Pressure is comparable to force in pressure–volume work, while volume is analogous to distance in the classic definition of work.
Just as we say that work force acting over a distance,for fluids,we can say that work is the pressure acting through the change in volume. for pressure- volume work, pressure is analogous to force, and the traditional defination of work.
Can someone please answer this, ill give you brainliest Would be very appreciated.
Answer:
leaf margins
Explanation:
Scientists study ice cores and leaf margins to learn about the past climates.
Further explanation :
Leaf margins are an indicator of the temperature in which a tree lives or lived. Paleobotanists use the margins of fossil leaves to infer past temperatures.
Answer:
Snail shells
Explanation:
Yea surprising answer but like this is from the web -> "New research shows that snail shells retain their carbon and oxygen isotope signatures after being boiled and, through those proxies, likely still preserve an accurate record of past temperature, rainfall, and vegetation."
Sorry if wrong and hope it helps! :)
Explain how the motor takes advantages of electromagnetism to work?
I need help with this! Which one?
Answer:
I believe that it is the 1st one
A positive charge is placed in the center of an uncharged metal spherical shell with some thickness as shown above.
1. Draw the electric field that exists inside the empty volume enclosed by the shell.
(Empty except for
the positive charge.) Explain your drawing either in words or through use of a
diagram, or both.
2. Draw the electric field that exists inside the metal shell. Explain your drawing
either in words or
through use of a diagram, or both.
3. Draw the electric field that exists outside of the metal shell. Explain your drawing
either in words or
through use of a diagram, or both.
The drawing of the positive charge showing the electrical fields inside the empty volume enclosed by the shell is attached accordingly. See explanation below.
What is the explanation of the drawing the positive charge inside the center of the uncharged spherical metal?The electrostatic potential at any location outside the shell, assuming the center of the shell is Z, equals Z/4π∈₁r, where r is the distance from O.
It's also worth noting that the spherical shell's outer surface is an equipotential shell, which means that the electric field at any place inside the shell except O is zero.
Because the shell is metallic, charge Z will induce uniformly on the inner surface and +Z will induce uniformly on the outer surface, with O as the charge center.
As a result, an electric field will exist both within and outside the shell, but the total charge will remain the same.
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If a power source provides 54 watts of power to operate a machine that draws 4.5 amps of current when in use, what is the voltage used by the machine?
Answer:
.V=12v
Explanation:
P=VI
54W=V×4.5A
V=54W/4.5A
V=12V
Calculate the amount of current flowing through a circuit when the resistance is 2 ohms and the voltage supplied is 10 Volts.
Compare the temperature changes in the stratosphere with those in the troposphere.
Answer:
the temperature in the troposphere decreases while the temperature in the stratosphere increases because of the density of air molecules.
Explanation:
sorry ima little late
do you expect an echo to return to you more quickly on a hot day or a cold day?
Answer:
more quickly on a hot day
Explanation:
Two bowling balls each have a mass of 8.3 kg. They are located next to each other with their centers 0.165 m apart. What gravitational force do they exert on each other
Hello!
We can use the equation of Newton's Law of Universal Gravitation to solve for the Force of Gravity:
[tex]F_g = \frac{Gm_1m_2}{r^2}[/tex]
Fg = Gravitational Force (N)
G = Gravitational Constant (6.67 × 10⁻¹¹ Nm²/kg²)
m1, m2 = masses (both 8.3 kg in this situation)
r = distance between the center of masses of the objects (0.165 m)
Plug in the given values and solve.
[tex]F_g = \frac{(6.67 \times 10^{-11})(8.3)(8.3)}{(0.165^2)} = \boxed{1.6878 \times 10^{-7} N}[/tex]
Can someone please answer this, ill give you brainliest Would be very appreciated.
Solution: Expansion
Explanation:
When we put a glass bottle in the freezer, the volume of water is supposed to expand causing high surface tension leading to the glass to crack. As the volume of water increases, there is less space for the water to fit in.
Answer:
Expansion
Explanation:
According to boyles law
P is indirectly proportional to VAccording to gay lussac's law
P is directly proportional to TIn freezer
T decreases so P decreasesHence V increases
a car is traveling at 20 m/s and speeds up to 35 m/s in 5 seconds. what is the cars acceleration?
This is a Uniformly Accelerated Rectilinear Motion exercise.
We obtain the following data:
Vo = 20 m/s, Vf = 35 m/s, t = 5, a = ¿?
To calculate the acceleration, subtract the final velocity minus the initial velocity, divided by the time.
a = Vf - Vo / t
a = 35 m/s - 20 m/s / 5 s = 3 m/s².Greetings
You are talking to your grandmother—who grew up in the 1960s—about climate change. She asks you a lot of questions about the issue, and in the end, isn’t sure she believes it to be a problem. Upon reflection, what belief about climate that was popular in the 1960s might have influenced your grandmother’s conclusion that she isn’t sure climate change is a problem?
A.
Climate only consisted of temperature, rather than the modern belief that climate includes other aspects.
B.
The Earth had four climate stages, and we are not due for a fifth for 10,000 years.
C.
Climate change happened over hundreds and thousands of years, not quickly.
D.
The little ice age was still happening, so our temperatures should be going down.
When scientists talk about climate, they usually mention averages of rainfall, temperature, humidity, sunshine, wind, and other climatic influences that occur over a long period of time in a particular location.Thus option A is correct.
What climate only consisted of temperature?High latitude polar and arctic air masses (60° N and S and higher) regulate climate. These climates are distinguished by low temperatures, frequent precipitation, and an unexpectedly wide variety of subtypes.
A climatic data element, such as precipitation, temperature, wind speed, or humidity, is a measured characteristic that aids in describing the climate of a particular place or region.
Therefore, Climate only consisted of temperature, rather than the modern belief that climate includes other aspects.
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Motion
Force
Which property of the ball is constant?
speed
acceleration
direction
momentum
The property of the ball that is constant is acceleration because the rate of it's distance is constant.
What is constant acceleration?Constant acceleration refer to the rate of the velocity of the body that is moving at constant rate or when the rate of change of distance of an object with respect to time is constant.
Therefore, The property of the ball that is constant is acceleration because the rate of it's distance is constant.
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The crossbar of a goalpost is 10 feet high. If a field goal is made 25 yards from the base of the goalpost that clears the goal by 1 foot, what is the smallest angle of elevation at which the ball could have been kicked to the nearest degree?.
Answer: 1 degree
Explanation: I looked it up.
How long will it take a runner, starting from rest and accelerating uniformly at 1.5 m/s2, to travel 3.0 m
Where does energy go after it hits gas?
In gasoline-powered vehicles, most of the fuel's energy is lost in the engine, primarily as heat. Smaller amounts of energy are lost through engine friction, pumping air into and out of the engine, and combustion inefficiency.
Exercises
Question-5 (doable)
A magnified, inverted image is located a distance of 38.0 cm from a converging lens with a focal
length of 10.0 cm. Determine the object distance and tell whether the image is real or virtual
[ 13.6 cm )
[tex]\\ \rm\Rrightarrow \dfrac{1}{u}+\dfrac{1}{v}=\dfrac{1}{f}[/tex]
[tex]\\ \rm\Rrightarrow \dfrac{1}{u}=\dfrac{1}{-10}+\dfrac{1}{38}[/tex]
[tex]\\ \rm\Rrightarrow \dfrac{1}{u}=\dfrac{-19+5}{190}[/tex]
[tex]\\ \rm\Rrightarrow \dfrac{1}{u}=\dfrac{-14}{190}[/tex]
[tex]\\ \rm\Rrightarrow u=\dfrac{190}{-14}[/tex]
[tex]\\ \rm\Rrightarrow u=13.6cm[/tex]
Real
Can someone please answer this, ill give you brainliest Would be very appreciated.
Answer: A Because that is local I mean it is confined to a city at least i think so
Answer:
Option 3
Explanation:
All of the mentioned options are mitigation solutions. But, the question has clearly asked for local solutions, which means it has the possibility or feasibility to take place in every neighborhood no matter where you are.
The option which correctly gives this is :
An individual elects to walk or bike to work dailyWrite One paragraph to discuss how you can apply to real life what you have learned from the Scientific Investigation you have conducted?
My topic is What makes ice melt faster?
the hot sun
hi
Explanation:
when its sunny (always in my city) then put ice on the sun (not directly to the sun) but where the sun shines
Choose the force diagram (freebody diagram) that best represents the forces acting on the object.
The effects of air resistance are negligible. (5 points)
A plate that is at rest on the kitchen table:
Answer:
Diagram B because a plate resting on a table has gravity acting on it and normal/air resistance force working against the gravity with the same amount of force. Forces that are balanced don't move.
Explanation:
I hope this helps
Diagram B represents the forces acting on the plate that is at rest on the kitchen table.
What is normal force?Every day, we experience the normal force.
In this instance, when we lay a plate on a kitchen table, the normal response force prevents the plate from going through the table, even if gravity is pulling the plate downward. That implies that there is a force acting to push it upward. The word "normal force" refers to the force. Normal in this context refers to being perpendicular to the ground.
Hence, in diagram B, downwards arrow represents gravitational force acting on the plate for its weight and upwards arrow represents normal force acting on the plate by the table.
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Pls Help me .
The finger-like outgrowths of Amoeba helps to ingest food. However, the outgrowths of human intestine help to
(a) digest the fatty food substances (b) make the food soluble
(c) absorb the digested food (d) absorb the undigested food
(c) absorb the digested food
Explanation:
It is called villi' in case of human beings.. That's it..
The finger-like outgrowths in the human intestine are called villi, and their main function is to absorb the digested food. Therefore, the option is (c) absorb the digested food.
What is the function of villi in human ?The villi in the human intestine increase the surface area for absorption, allowing for more efficient uptake of nutrients from the digested food. They contain blood vessels and lymphatic vessels that absorb nutrients such as sugars, amino acids, and fatty acids. The nutrients are then transported to the liver and other parts of the body for use.
The function of villi in humans is to increase the surface area of the small intestine, which allows for more efficient absorption of nutrients from digested food.
Villi are finger-like projections that line the walls of the small intestine, and they are covered in tiny microvilli that further increase the surface area. The villi contain blood vessels and lymphatic vessels that absorb nutrients such as sugars, amino acids, and fatty acids from the digested food.
These nutrients are then transported to the liver and other parts of the body for use. Without villi, the surface area of the small intestine would be much smaller, and the body would not be able to absorb nutrients as efficiently. Hence, option C is correct.
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a truck is moving towards east with the velocity of 20 metre per second and another is moving toward the west with the velocity of 15 metre per second calculate the relative velocity If those trucks move at the same time from the same place calculate the distance between them after 2 minutes
(a) The relative velocity If those trucks move at the same time from the same place is 35 m/s.
(b) The distance between them after 2 minutes is 4,200 m.
Relative velocity of the two trucksThe relative velocity of the two truck is calculated as follows;
Vr = 20 m/s - (-15 m/s)
Vr = 20 m/s + 15 m/s
Vr = 35 m/s
Distance between the object after 2 minsd = Vr(t)
d = 35(2 x 60 s)
d = 4,200 m
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Mr b Kayla and gabby are working out to get fit fr the summer Mr b is using a barbell that weighs 50kg and lifts it a distance of 4 meters. Kayla is using a barbell that weighs 45kg and lifts it a distance of 7 meters and gaby is using a barbell that weighs 47kg and lifts it a distance of 8m who is working the hardest
This question involves the concepts of potential energy and work.
"Mr. Gabby" is working the hardest.
Who is working the hardest?In this case, the work done by each person is equal to the potential energy produced by raising the barbell.
[tex]W = P.E=mgh[/tex]
where,
W = work done m = mass of barbellg = acceleration due to gravity = 9.81 m/s²h = height raisedFor Mr. bm = 50 kgh = 4 mTherefore,
[tex]W=(50\ kg)(9.81\ m/s^2)(4\ m)\\W=1962\ J[/tex]
For Mr. Kaylam = 45 kgh = 7 m
Therefore,
[tex]W=(45\ kg)(9.81\ m/s^2)(7\ m)\\W=3090.15\ J[/tex]
For Mr. Gabbym = 47 kgh = 8 mTherefore,
[tex]W=(47\ kg)(9.81\ m/s^2)(8\ m)\\W=3688.56\ J[/tex]
It is clear that most work is done by Mr. Gabby.
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An athlete runs 9km due east, then 18km north and finally 5km west. What is the total distance run? What is the resulting displacement of the hiker from the starting point?
Answer:
Distance: 32 km
Displacement: 18 km
Explanation:
Distance is the total amount travelled. Displacement on the other hand is how far away an object is from its starting point.
Distance is a scalar quantity meaning it only has magnitude. Displacement is a vector quantity meaning it has magnitude and direction.
Distance is represented by "x" while displacement is represented as "Δx".
Note that "Δ" is the Greek letter "delta" which is used to represent a change in something.
Let's start by finding the distance.
Since distance is the total amount travelled, we can just add all of the values.
9km + 18km + 5km = 32 km
Then, we can find the displacement.
North and East are positive while South and West are negative.
If the athlete ran 9km East and 5km West, their displacement would be:
9km - 5km = 4km East
Now, we can set up a triangle to determine the displacement from the starting point.
18km North would be the longer leg, 4km East would be the shorter leg, and the displacement would be the hypotenuse.
Using Pythagorean's Theorem we find that:
[tex]a^2+b^2=c^2\\4^2+18^2=c^2\\16+324=c^2\\340=c^2\\c\approx18[/tex]
Note that "a" and "b" represent the legs of the triangle while "c" represents the hypotenuse of the triangle.
The displacement is approximately 18m.