Answer:
10.4mm
Explanation:
2 pages = 1 leaf
200 pages = 100 leaves
100 × 0.10 = 10 mm thickness
Total thickness = 2(0.20) +10 = 0.4+10 = 10.4mm
Can someone help me?
Answer:
Resultant = 3.05N
Explanation:
[tex]r = \sqrt{{5}^{2} + 5^{2} - 2(5)(5) \cos(120) } [/tex]
[tex]r = \sqrt{25 + 25 - 50(0.8142)} [/tex]
[tex]r = \sqrt{50 - 40.71} = \sqrt{9.29} [/tex]
[tex]r = 3.05[/tex]
2 Which is true of a parallel circuit?
o The currents in each separate branch add up to the total current that leaves
the cell.
O
The current is the same at each point in the parallel circuit.
The potential difference across each lamp in a parallel circuit adds up to give
the potential difference of a battery or cell.
O
The circuit has a single closed loop.
Answer:
fxb
c
Explanation:bfffffffff
charging occurs when you run into and moving player true or false
Answer:
False
Explanation:
Because as soon as you hit the person, all of your "charge" you've created gets destroyed by forcing you to hit another object, and therefore cannot be charged.
if Neptune is mainly made of ice, then does that mean that it has frozen water?
what is the instrument used to measure radiation
Differences between pavement and
cuboidal epithelium tissue
Answer:
Squamous epithelium has cells that are wider than their height (flat and scale-like). ... Cuboidal epithelium has cells whose height and width are approximately the same (cube shaped). Columnar epithelium has cells taller than they are wide (column-shaped).
Which two criteria are least important for engineers to consider when developing a process to produce sulfur trioxide? A. The process should produce a high output of products.
B. The process should provide outputs for multiple needs.
C. The process should already be well established.
D. The process should be environmentally friendly.
Answer:
c and b
Explanation:
plz help due in a hour
Answer: [tex]1.8409\ kN[/tex]
Explanation:
Given
Mass of student [tex]m=70\ kg[/tex]
Mass of Jupiter [tex]M=1.901\times 10^{27}\ kg[/tex]
Distance between them is [tex]r=6.98\times 10^7\ m[/tex]
Gravitational force is given by
[tex]\Rightarrow F=\dfrac{GmM}{r^2}\\\\\Rightarrow F=\dfrac{6.74\times 10^{-11}\times 70\times 1.901\times 10^{27}}{(6.98\times 10^7)^2}[/tex]
[tex]\Rightarrow F=18.409\times 10^{-11+27-14}=1.8409\ kN[/tex]
If the distance is cut to half, then the force will be four times the initial force
Heat capacity is an intrinsic physical property of a substance that measures the amount of heat required to change that substance's
temperature by a given amount. The specific heat is the amount of heat necessary to change the temperature of 1.00 kg of mass by
1.00°C. Its Sl unit is //(kg-K) or J/(kg C).
Insulation is an important part of the building process; we insulate our homes, schools and businesses to conserve energy. Insulation
helps to help us cool p the summer and warm in the winter. Students were asked to design an insulating box, one that would keep
ice cubes from melting using any of the materials listed above. Which material would you pick? Explain why. Choose ALL the answers
that would apply.
A)
Cork
B)
Copper
It is a solid
D)
It has the lowest specific heat capacity of any solid.
It has the highest specific heat capacity of any solid.
Answer: It’s Cork , It is a Solid , It has the highest specific heat capacity of any solid
So. A,C,E!!!
Explanation:
Answer: I agree with the other person. The answer is Cork.
Explanation: The answer is Cork because:
It's a solidHas the highest specific heat capacity of any solidWhy do you think lightning is so dangerous if it strikes a person?
Do you remember the old fashioned flashlights, before there were LEDs ?
They had two or three heavy batteries in the tube, and one little tiny glass light bulb in the middle of the little headlight in the front. When the batteries were fresh, that little light bulb gave out a nice bright beam of light, and drew about 0.7 Amperes from the batteries. That's the number I want you to remember for a couple of minutes: Flashlight bulb, 0.7 Amperes.
-- The wiring (nerves) that operate your heart can go haywire, and your heart can stop or go crazy, if 0.015 Amp of current or more happens to pass close by it.
-- The muscles in your arms or legs, or your diaphragm that makes you breathe, can lock up so that you can't control them, if 0.1 Amp of current or more happens to pass by them. If that current is 0.5 Amp or more and passes close to a muscle, the muscle can lock up so violently that it breaks the arm- or leg-bone that it's attached to.
Lightning is electric current flowing between a cloud and the ground. If anything is in the path it wants, it just flows right on through.
Lightning may flow in either direction ... up to the cloud or down to the ground. It really doesn't make any difference. The effects are the same, on anything it decides to flow through.
The current in a typical, average lightning bolt is 30,000 Amperes. A lot of them are bigger.
Current flowing through anything causes heat to be generated.
The more current = the more heat.
-- Lightning flowing through the wall of a house generates enough heat inside the wall to make the wall explode.
-- Lightning flowing through the juice inside a tree generates enough heat to boil the tree juice, and explode the tree.
-- Lightning flowing through the air heats a skinny tube of air so hot and so fast that the air explodes. That makes a strong sound wave in the air, that can be heard from miles away. It's called "thunder".
-- A person is made of lots of nice soft, moist, mushy stuff, water, juices, and air. A thousand Amperes flowing through it all can do a fast, efficient, complete job of heating it, boiling it, cooking it, exploding it, and tearing it to pieces.
Sounds dangerous to me.
Compare an earthquake with a Richter scale magnitude of 5.5 to one with a magnitude of 7.5.
A. 2 times stronger
B. 1000 times stronger
C. 100 times stronger
D. 20 times stronger
Answer:
d
Explanation:
thats how it works
Answer:
its 100 times stronger
Explanation:
hope its right
You have an initial velocity of - 3.0 m/s . You then experience an acceleration of 2.5 m/s ^ 2 for 9.Oswhat is your final velocity ?
Answer:
The final velocity of your motion is 19.5 m/s.
Explanation:
Given;
initial velocity of your motion, u = -3.0 m/s
acceleration of your motion, a = 2.5 m/s²
time of your motion, t = 9.0 s
The final velocity of your motion is calculated as follows;
v = u + at
where;
v is the final velocity
substitute the given values and solve for v
v = -3.0 + (2.5 x 9)
v = -3.0 + 22.5
v = 19.5 m/s
Therefore, the final velocity of your motion is 19.5 m/s.
URGENT!!
explain how changes in volume and pressure inside the chest move gases in and out of the lung.
Answer:
Explanation:La ecuación de Van der Waals es una ecuación de estado de un fluido compuesto de partículas con un tamaño no despreciable y con fuerzas intermoleculares, como las fuerzas de Van der Waals. La ecuación, cuyo origen se remonta a 1873, debe su nombre a Johannes van der Waals, quien recibió el premio Nobel en 1910 por su trabajo en la ecuación de estado para gases y líquidos, la cual está basada en una modificación de la ley de los gases ideales para que se aproxime de manera más precisa al comportamiento de los gases reales al tener en cuenta su tamaño no nulo y la atracción entre sus partículas.
If a spring is stretched to twice the lengtj of its equilibrium position, by what factor does the energy stored in the spring change?
Answer:
the energy increases 4 times
Explanation:
A spring has an elastic potential energy that is given by the expression
K_e = ½ K (x-x₀)²
where x is the distance from the equilibrium point and k is the return constant
if the spring is stretched at x-x₀ = 2x₀, the energy value
K_e = ½ k (2x₀)²
K_e = ½ k 4 x₀²
K_e = 4 (½ k x₀²)
[tex]\frac{K_e}{ \frac{1}{2} k x_o^2}[/tex] = 4
therefore the energy increases 4 times
The energy stored in the spring changes by a factor of 4
The formula for calculating the energy stored in the spring is expressed as:
[tex]E=\frac{1}{2}ke^2[/tex]
If the spring is stretched to twice the length of its equilibrium position
[tex]E_2=\frac{1}{2}(2k)^2\\E_2=\frac{1}{2}4k^2[/tex]
Take the ratio of the energy stored in the spring
[tex]\frac{E_2}{E} =\frac{1/2(4kx^2)}{1/2kx^2}\\ \frac{E_2}{E} =\frac{4}{1}\\E_2 = 4E[/tex]
This shows that the energy stored in the spring changes by a factor of 4
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A puppy weighing 3 kilograms races through the dog park. If she slows from a speed of 2 meters/second to 1 meter/second, what will happen to her kinetic energy? Use the kinetic energy equation.[tex]KE=\frac{1}{2} mv^{2}[/tex]
A.
Her kinetic energy decreases to 1.5 J.
B.
Her kinetic energy increases to 1.5 J.
C.
Her kinetic energy remains unchanged.
D.
Her kinetic energy decreases to 1 J.
Answer: B Hope I helped ^^
Explanation:
Two balls marked with question marks, right and left. The left ball has arrows emerging in all directions but to the right and all arrows either point to the left or immediately bend toward the left after emerging. The right ball has arrows emanating in all directions but to the left and all arrows either point to the right or immediately bend toward the right.
Use the drop-down menu to complete the statement.
Based on the field lines, the electric charges indicated by the question marks are?
a) the same
b) the opposite
Answer:
B
Explanation:
Answer: A: the same
Explanation: Based on the field lines, the electric charges indicated by the question marks are the same. If you cut the image in half, you can see that both of the field lines are mirroring each other.
HELP ME I WILL GIVE BRAINLYEST!!
Which of the following methods of soil conservation uses the roots of plants as anchors in the soil? (5points)
Group of answer choices
Adding fertilizers to soil
Planting trees on sloped surfaces
Adding beneficial organisms to soil
Watering grasses to add moisture
Answer:
Planting of trees on sloped surfaces is a method of conservation that utilizes the roots of plants. Planting trees on such areas would prevent hazards and maintain the soil formation future since the roots would hold the soil together preventing or minimizing any soil erosion.
Answer:
Planting of trees on sloped surfaces is a method of conservation that utilizes the roots of plants. Planting trees on such areas would prevent hazards and maintain the soil formation future since the roots would hold the soil together preventing or minimizing any soil erosion.
give some practical application of center of mass
Answer:
The center of mass of the human body depends on the gender and the position of the limbs. In a standing posture, it is typically about 10 cm lower than the navel, near the top of the hip bones. In this Atom, we will learn how to measure the COM of a human body.
Explanation:
In physics, the center of mass of a distribution of mass in space is the unique point where the weighted relative position of the distributed mass sums to zero. This is the point to which a force may be applied to cause a linear acceleration without an angular acceleration. Calculations in mechanics are often simplified when formulated with respect to the center of mass. It is a hypothetical point where entire mass of an object may be assumed to be concentrated to visualise its motion. In other words, the center of mass is the particle equivalent of a given object for application of Newton's laws of motion.
In the case of a single rigid body, the center of mass is fixed in relation to the body, and if the body has uniform density, it will be located at the centroid. The center of mass may be located outside the physical body, as is sometimes the case for hollow or open-shaped objects, such as a horseshoe. In the case of a distribution of separate bodies, such as the planets of the Solar System, the center of mass may not correspond to the position of any individual member of the system.
The center of mass is a useful reference point for calculations in mechanics that involve masses distributed in space, such as the linear and angular momentum of planetary bodies and rigid body dynamics. In orbital mechanics, the equations of motion of planets are formulated as point masses located at the centers of mass. The center of mass frame is an inertial frame in which the center of mass of a system is at rest with respect to the origin of the coordinate system.
HOPE IT WILL HELP YOU DEAR..... ❤❤
What is the equation that links work done, force and distance?
Eight-year-old Shaun’s parents are concerned that he may have dissociative amnesia due to his inability to remember certain phases of his life. Why would his doctor be hesitant to diagnose him?
A.
Shaun is adopted and his doctor is uncomfortable diagnosing him without a full family history.
B.
Shaun is male and his doctor knows that this diagnosis is most common in females.
C.
Children of this age have a normal lapse in memory of events that occurred before the age of 5.
D.
Shaun is a very strong-willed child and will not be a good candidate to hypnotize.
Answer:
the answer is C. Children tend to forget events before they were five years old.
Explanation:
The doctor that is hesitant to diagnose him should be considered when the children of the age have the normal lapse which arises prior to the age of 5.
What is memory?Memory means the capacity to remember anything. It can be the conversation had few days ago or any other things. The more good the memory the more better it is.
Since the child is suffering from dissociative amnesia due to which he is not able to remember some phases of his life.
Hence, based on the above explanation, we can say that the option c is correct.
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How does the intensity of a sound wave change if the distance from the
source is reduced by a factor of 4?
Answer:
the answer is that it increases by a factor of 16
Explanation:
The center of Mars is called the mantle true or false
Answer:
Central core
Explanation:
PLEASE HELP ILL GIVE CROWN!!!!!!!!!!!!!!!
the farther you live from an ocean, the more likely you will have...
A ) Little to no temperature change from summer to winter.
B ) A tropical climate
C ) Extreme temperature differences in summer and winter
D ) An Arctic climate
Explanation:
can i get the crown please now hehehh ahhhahah hoohoh
they have a pictures just click and thats the answer ↑
The farther you live from an ocean, the more likely you will have a continental climate where there are extreme temperature differences in summer and winter
What is continental climate?Inland regions have continental climates. To feel the impacts of ocean water, they are too distant from oceans. Between 40 and 70 degrees north latitude, continental climates are typical.
Northern Ukraine, eastern Belarus, Russia, the majority of Finland, and northern Sweden all have climates that are classified as continental. The northeast has the coldest winters and warmest summers, with winters being significantly colder, longer, and covered in more snow than in western Europe.
Given data ,
Let the land be situated at a place where it is farther away from the ocean
Now , there will be extreme temperature differences during the summer and the winter time
And , winters may be quite cold and summers can be very hot in continental climes. As there is less water in the continental environment than there is in marine climates, the temperatures are not as warm.
Hence , the continental climate takes place the farther you live from an ocean
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Air pressure decreases as elevation increases. Describe how the boiling point of
water on top of a mountain would be different from its boiling point at sea level.
Answer:
boiling point is directly proportional to air pressure. as the air pressure decreases due to increase in elevation, boiling point of the water on top of a mountain would be less than the boiling of water at sea level
Explanation:
Which of the following will predict what would happen if the scuba tank were to increase in temperature?
A.
The pressure exerted by the gas in the tank would increase.
B.
The density of the gas in the tank would increase.
C.
The size of the gas particles in the tank would increase.
D.
The number of particles in the tank would increase.
Answer:
Its A
Explanation:
Because the pressure exerted by the gas in the tank would increase.
The statement that predicts what would happen if the scuba tank were to increase in temperature is that pressure exerted by the gas in the tank would increase.
What is the relationship between pressure and temperature?The pressure and temperature of a gas in a container is connected by the pressure law equation, which states as follows:
P1/T1 = P2/T2
This equation depicts that an increase in the pressure of a gas also increases the temperature.
Therefore, the statement that predicts what would happen if the scuba tank were to increase in temperature is that pressure exerted by the gas in the tank would increase.
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3. Twelve waves pass a dock in 3.60 If the waves are traveling at 19.5 m/s , what is the wavelength of the waves?
Answer:
65m
Explanation:
Twelve waves pass a dock in 3.60 If the waves are traveling at 19.5 m/s , what is the wavelength of the waves?
Velocity of a wave is expressed as;
V = frequency × wavelength
Given
Velocity = 19.5m/s
Frequency is the number of oscillations completed in 1sec, hence
Frequency= 3.6/12
Frequency = 0.3
Wavelength = vel/freq
Wavelength = 19.5/0.3
Wavelength = 65m
help
pls give me an honest answer
Answer:
0.0025H
Explanation:
I didn't come here to be part of this all I wanted is just information for my research
What is the difference between science and pseudoscience?
A. Pseudoscience is based on observation, while science is based on experimentation.
B. Pseudoscience conclusions are based on empirical evidence, while scientific conclusions are not.
C. Science is based on observation, while pseudoscience is based on experimentation.
D. Scientific conclusions are based on empirical evidence, while pseudoscientific conclusions are not.
Answer:
b?
Explanation:
If the roller coaster car in the above problem were moving at twice the speed, then what would be its new kinetic energy
Answer:
it would move faster
Explanation:
If the roller coaster car in the above problem were moving at twice the speed, then 16000 Joules is the new kinetic energy.
What is kinetic energy?Kinetic energy is a type of power that a moving object or particle possesses. An item accumulates kinetic energy when work, which involves the transfer of energy, being done on it by exerting a net force.
A object in motion or particle has kinetic energy, which relies on both its mass and its rate of motion. Any combination of movements, including translation, rotation along an axis, and vibration, may constitute the kind of motion.
kinetic energy= ½mv²
v =4m/s
m= 2000kg
KE = ½ (2000) (4)²
=16000 Joules
Therefore, If the roller coaster car in the above problem were moving at twice the speed, then 16000 Joules is the new kinetic energy.
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Which is a measure of force? A. distance B. mass C. volume D. weight
Answer:
B. Mass
Explanation:
mass Includes newton which is a measure of force
weight is a measure of force. hence option D is correct.
What is Force ?Force is responsible for the motion of an object. it produces acceleration in the body. According to newton's second law force is mass times acceleration i.e. F =ma. Its SI unit is N which is equivalent to kg.m/s². There are two types of forces, balanced force and unbalanced force. Balanced forces are those forces which are opposite in direction and equal in magnitude. When Net force acting on a body is zero then we call it as balanced force. Balanced force is not responsible for the motion of the body. ex. when two persons pulling rope on both end with equal magnitude which cause them to be balanced force have 0 net force. Unbalanced forces are those when resultant of all the forces is not equal to zero is called as unbalanced force. unbalanced force is responsible for the motion of the body.
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