The resistivity is a dependent factor for the ease of allowing electrons to flow. The approximate ratio of the resistivity of pure water to silver is [tex]3 \times 10^{11} :1[/tex].
What is Resistivity?The property of the material that determines the actual resistance offered by the material to the flow of current through a cross-section area, is known as the resistivity of the material.
Pure water is a bad conductor of electricity which means it offers high resistance to the flow of electric current. So, the standard value of the resistivity of pure water is around [tex]10^{3} \;\rm \Omega.m[/tex].
On the other hand, silver is one of the materials which allows higher conduction of electricity through it, hence it has a lower level of resistivity of the order [tex]1.60 \times 10^{-8} \;\rm \Omega.m[/tex]
So, the ratio of resistivity of water to the silver is,
[tex]=\dfrac{10^{3}}{ 1.6 \times 10^{-8}}\\\\\approx 3 \times10^{11} : 1[/tex]
Thus, we can conclude that the approximate ratio of the resistivity of pure water to silver is [tex]3 \times 10^{11} :1[/tex]
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The graph indicates what about the relationship between wavelength and frequency
Wavelength and frequency of awave are in inverse proportion. Therefore, the graph showing as the frequency increases, wavelength decreases.
What is wavelength?Wavelength of an electromagnetic wave is the distance between its two consecutive troughs or two consecutive crusts. Wavelength of a wave indicates how much distance it can cover.
Frequency of an electromagnetic wave is the number of cycles or waves get in one second. Thus its unit is s-1. Frequency of first last some radiations in the spectrum that are UV, gamma, x-ray etc are higher and they have shorter wavelength.
High frequency waves are more energetic whereas longer wavelength is associated with less energy. The relation between frequency v and wavelength lambda is written as follows:
[tex]v = \frac{c}{\lambda}[/tex]
Where c is the speed of light.
As per this relation frequency is inversely proportional to the wavelength. Hence they are in inverse relation.
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A forklift lifts 5 boxes from the ground to a height of 2 meters (m). The boxes push down with a force of 1000 newtons (N). How much work was done by the forklift to lift the boxes?
Answer:
2000 j
Explanation:
its the right answer
Which term refers to the difference between the energy of the transition state and the energy of the reactamts?
The transition state is the state where an electron makes a jump to change its energy level. The term refers to the difference between the energy of the transition state and the energy of the reactants is the activation energy.
What is energy?Energy is the ability to do work.
The transition state is considered to be the highest energy point on the minimum free energy reaction path (MERP). It is the state corresponding to the highest potential energy along the reaction.
Reactions occur between the path of converting reactants to products which is of lowest energy.
Thus, the term refers to the difference between the energy of the transition state and the energy of the reactants is the activation energy.
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The term referring to the difference between the energy of the transition state and the energy of the reactants is activation energy.
The term you're looking for is activation energy, which is the energy required to transform the reactants into the transition state. This can also be considered the 'energy barrier' that must be overcome for a reaction to proceed. The transition state, also known as an 'activated complex', is the highest energy point during the process of bonds breaking and forming. The magnitude of the activation energy is crucial because it determines the kinetics of a reaction; the higher the energy barrier, the slower the reaction rate. Moreover, the existence of a catalyst in a reaction can lower the activation energy, thereby increasing the reaction rate without altering the energies of the reactants or products.
What process is used in this example? You have learned that all living things use energy. Your dog is a living thing. She must use energy.
1- Inductive reasoning
2-Deductive reasoning
3-The scientific method
4-Theory development
Jack has a rock.the rock has a mass of 14g and a volume of 2cm^3.what is the density of the rock?
Each line on a speed-lock cutting head tool arm knob moves the cutting tip ______ in or out.
It is to be noted that each line on a Speed-Lock cutting head tool arm knob moves the cutting tip .0025” in or out.
The question pertains to the movement of the cutting tip on a Speed-Lock cutting head tool arm knob. A Speed-Lock cutting head tool arm knob likely refers to a component in a machining or cutting tool system, facilitating adjustments.
The statement "Each line on a Speed-Lock cutting head tool arm knob moves the cutting tip .0025” in or out" suggests that each line corresponds to a movement of 0.0025 inches for the cutting tip.
Therefore, the correct answer is option B, indicating that each line on the knob moves the cutting tip by 0.0025 inches.
Full Question:
Although part of your question is missing, you might be referring to this full question:
Q6. Each line on a Speed-Lock cutting head tool arm knob moves the cutting tip ______ in or out.
A. .001”
B. .0025”
C. .010”
D. .020”
Help please!!!!!!!!!!!!!!!!!!!!
How does the doppler effect affect the velocity from a sourse that is approaching you?
Temperatures of four liquid substances are shown in the chart.
Which statement is best supported by the data in the chart?
A) Substance X will transfer thermal energy to substance Y mainly through radiation if they are mixed.
B) Substance Y will transfer thermal energy to substance Z through conduction if they are mixed.
C) Substance X will transfer thermal energy to substance W through radiation if they are placed near each other.
D) Substance W will transfer thermal energy to substance X through conduction if they are mixed.
For those of you taking the course on Edge, the right answer is D.
Answer: D) Substance W will transfer thermal energy to substance X through conduction if they are mixed.
Explanation: Thermal energy is the energy possessed by an object by virtue of its temperature. It is transferred from a hotter object to a colder object till both the bodies attain the same temperature.
Radiation occurs when thermal energy is transferred by electromagnetic waves. Conduction occurs when thermal energy is transferred when two objects are in direct contact.
Thus Substance W at a temperature of [tex]40^0C[/tex] will transfer thermal energy to substance X at a temperature of [tex]37^0C[/tex] through conduction if they are mixed as they are in direct contact.
Inner planets that are composed mainly of rock and metal are called
A 500g sample of Potassium-40 is left to decay radioactively. After 3.9 x 109 years, about how many grams of Potassium-40 are expected to remain? [The half-life of Potassium-40 is 1.3 x 109 years.]
Why are hair samples considered to be both useful and cumbersone of tace evidence?
What kind of movement does the heat within the core and mantle directly generate?
What type of lens causes parallel rays to come together after passing through the lens?
Which planet has the strongest magnetosphere?
in order to produce a current in a cell, the terminals must what?
a. have a potential difference
b. be exposed to light
c. be in a liquid
d. be at two different temperatures
Which parameter of glass is measured with bromoform and bromobenzene mixtures in a column?
Answer: Density
Explanation:
Density is the parameter which is used for comparision of two doubted to be similar pieces of the glasses in the columns where a specific volume of liquids bromoform and bromobenzene are used. The two glasswares (graduated cylinders) are used in this process along with the liquids. The level at which the glass pieces in the column settles that represent their density. If two pieces of glass are from same source then they will settle at the same level in the column. This method is known as density gradient method.
If a clock expends 2 W of power from a 1.5 V battery what amount of current is supplying the clock?
The power generated at the clock is dependent on the voltage and current supplied to the clock. The amount of current supplied to the clock is 1.34 A.
What is power?Power can be defined as the amount of energy transferred per unit time interval within a system.
Given that the voltage V is 1.5 V and power P generated at the clock is 2 W.
The power generated at the clock is given by the formula,
[tex]P = VI[/tex]
[tex]2 = 1.5 \times I[/tex]
[tex]I = 1.34 \;\rm A[/tex]
Hence we can conclude that the amount of current supplied to the clock is 1.34 A.
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Jake and brenda drove at a speed of 30 miles for one hour then they turned around and drove 45 miles per hour until they were back where they started what is the true or what is true about their average speed and average velocity
Answer:
Average speed is greater than average velocity. Average velocity is zero.
Explanation:
Average speed is calculated by:
[tex]\text{Average speed} =\frac{\text {Total Distance}}{\text{Total time taken}}[/tex]
Distance is the length of the total path traveled.
Average velocity is given by:
[tex]\text{Average velocity} =\frac{\text {Total Displacement}}{\text{Total time taken}}[/tex]
Displacement = final position - initial position.
Since, final position =initial position, Displacement = 0, therefore, average velocity = 0
It can be concluded that average velocity is zero and average speed is greater than average velocity.
The largest tides occur at _____.
1. new moon
2. full moon
3. first quarter
4. last quarter
5. solar eclipse
6. lunar eclipse
This is a multiple answer question.
The largest tides occur at full moon, solar eclipse, and lunar eclipse. Thus, the correct option is B, E, and F.
What are solar and lunar eclipses?Eclipses are of two types: Solar and Lunar eclipse. A solar eclipse occurs when the moon enters between the sun and the earth, which its shadow on the earth's surface.
A lunar eclipse occurs when the earth is moved between the sun and the moon and the Earth leaves its shadow on the moon. The tides form in seas because of the gravitational force of the moon.
The gravity of the moon makes the tides or waves in the seas or oceans. The full moon has more gravitation force and hence, larger tides are formed. The largest tides are also formed by solar and lunar eclipses.
When the sun is aligned with the moon during the eclipse, the sun is also pulling in the same direction resulting in the largest tides. The gravitational pull of the sun and moon increases the tides in ocean surfaces on Earth.
Thus, the largest tides occur at Full moon, solar and lunar eclipse. The correct options are B, E, and F.
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Assuming the input of energy continues for another 2.5 seconds, where will the particle be?
equilibrium
positive maximum
negative maximum
cannot be determined
Whenever a charged particle encounters a magnetic field, the particle tends to spiral around the magnetic field lines. as it does, it emits electromagnetic radiation. radiation produced in this way is called _______. the radiation is nonthermal, which means there is no link between the emission and the temperature of the radiating object. synchrotron radiation?
Two identical positive charges exert a repulsive force of 6.2 × 10−9 n when separated by a distance 3.7 × 10−10 m. calculate the charge of each. the coulomb constant is 8.98755 × 109 n · m2 /c 2 . answer in units of
c.
Use Coulomb's Law formula to calculate the charge of each identical positive charge given the force and distance. Each charge is 4.0 × 10^-19 C.
We can use Coulomb's Law formula: F = k * (q^2) / r^2, where F is the force, k is the Coulomb constant, q is the charge, and r is the distance between the charges.
Given: F = 6.2 × 10^-9 N, r = 3.7 × 10^-10 m, and k = 8.98755 × 10^9 N · m^2 /C^2. Plugging these values into the formula, we get q = √(F * r^2 / k).
Calculating: q = √(6.2 × 10^-9 * (3.7 × 10^-10)^2 / 8.98755 × 10^9) = 4.0 × 10^-19 C.
Therefore, each charge is 4.0 × 10^-19 C.
Please answer ASAP
19. Fill in the blank A charged particle moving in a magnetic field experiences a deflecting in a direction ___ to the magnetic field.
which is a necessary part input for all heat engines?
A) Steam to act as a working substance
B) An energy source, such as fuel or electrticity
C) A device to generate electrticity
D) Luiqid water to act as a working substance
The amount of diffraction that a sound wave undergoes depends on
Elements are arranged in the periodic table based on various patterns. For example, the element magnesium (Mg) A. has a higher atomic mass than the element sodium (Na). B. has a lower atomic mass than the element beryllium (Be). C. has a higher atomic mass than the element calcium (Ca). D. all of these
Answer:
A has a higher atomic mass than the element sodium (Na).
Explanation:
Just did the study island :)
Elements are arranged in the periodic table based on various patterns. For example, the element magnesium (Mg) A. has a higher atomic mass than the element sodium (Na). Option A is correct.
What is periodic table ?The periodic table is an organization of all known elements in order of increasing atomic number and repeating chemical characteristics.
They are organized in a tabular format, with a row representing an era and a column representing a group.
Elements are ordered in increasing atomic number order from left to right and top to bottom.
Elements of the same group will have the same valence electron configuration and, as a result, will have comparable chemical characteristics.
Elements are arranged in the periodic table based on various patterns. For example the element magnesium (Mg) A. has a higher atomic mass than the element sodium (Na).
Hence, option A is correct.
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a roller coaster slows as it travels up a hill
a) speed
b) velocity
c) acceleration
As the roller coaster ascends the hill, it experiences a decrease in speed which affects its velocity, leading to what we describe as negative acceleration or deceleration.
Explanation:When a roller coaster is traveling up a hill, it begins to slow down due to the force of gravity opposing its motion. This is a scenario of negative acceleration or deceleration.
Speed refers to how fast an object is moving without concerning the direction. In this case, the speed of the roller coaster decreases as it climbs the hill.
Velocity includes both the speed and direction of an object's motion. Here, the velocity also decreases as the speed decreases and the direction is upwards.
Acceleration refers to the rate of change of velocity. When the roller coaster slows down while moving up, it is undergoing negative acceleration or deceleration.
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A light bulb whose resistance is 240 ohms is connected to a 120 voltage source. What is the current through the bulb?
Remember to identity all of your data, write the equation, and show your work.
The current through the bulb will be 0.5 A. The principle of ohm's law is used in the given problem.
What is ohm’s law?Ohm's law claims that the voltage across a conductor is directly proportional to the current flowing through it.
This current-voltage connection may be expressed mathematically as,
The Equation of Ohm's Law is found as;
V=IR
[tex]\rm I = \frac{V}{R} \\\\ \rm I = \frac{120}{240} \\\\ I= 0.5 \ A[/tex]
Hence the current through the bulb will be 0.5 A.
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How long does it take to.travel 500 miles in.a car at 75mph?