Describe how resistance affects the flow of current in a circuit
Answers
Resistance decreases the flow of current in a circuit.
Explanation:
The resistance of an electrical circuit is defined as the opposition to the flow of current in that particular circuit
Related Questions
Two nuclei join to form a larger nucleus during which process?
• A. Positron emission
• B. Nuclear fusion
• C. Gamma decay
•
D. Nuclear fission
Answers
The process of two nuclei joining to form a larger nucleus is called nuclear fusion.
Nuclear fusion is the process by which atomic nuclei come together to form heavier nuclei, releasing a large amount of energy in the process.
In nuclear fusion, two atomic nuclei are brought close enough together that the strong nuclear force overcomes the electrostatic repulsion between the positively charged nuclei. This allows the nuclei to merge and form a new, heavier nucleus. The process of nuclear fusion is what powers the sun and other stars, where hydrogen nuclei combine to form helium and release a tremendous amount of energy in the process.
In contrast, nuclear fission is the process by which a large nucleus is split into smaller nuclei, releasing energy in the process. Nuclear fission is used in nuclear power plants to generate electricity, where the energy released from splitting heavy atomic nuclei is used to heat water and generate steam that powers turbines.
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storms in the south pacific can create waves that travel all the way to the california coast, which are 12,000 km away. how long does it take them if they travel at 18.3 m/s?
Answers
we may estimate that the storm's effects will last for about 9.3 days.
We were informed that a wave is produced in the south pacific ocean. Additionally, these phrases produce waves that have a 15 m/s speed and can travel 12,000 kilometres. These waves, which are produced in the southern Pacific, can travel this far. Therefore, we simply utilise the standard equation that T equals distance times speed at the time of combat. Therefore, we must translate this distance into metres. Thus, 12,000 times 1000 is greater than 15. As Pete lacks seconds, the results are revealed. Thus, this can be expressed as eight times ten, increased to five seconds. So let's convert to our words first. Therefore, in terms of us, we will find that this equals to ours be 222 points. In order to determine the approximate number of days, we need to divide the amount by 24. 9.3 approximately Therefore, we may estimate that the storm's effects will last for about 9.3 days.
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Use the image to answer the question.
Which of the arrows shown above represent the process of cellular respiration? (1 point)
O A, D, and E
O C only
O D and E
O B only
Answers
The arrows A, D, and E represent the process of cellular respiration. Thus, the most appropriate answer to the given question comes out to be option A.
Cellular respiration refers to the process that happens in the cells of an organism. Under this process, the glucose is brokedown to release carbon dioxide and water with the release of an energy-rich molecule ATP
The figure shown in the question is a carbon cycle. It depicts the flow of carbon in the biosphere.
Arrow A represents the release of carbon by plants through cellular respiration
Arrow B represents the uptake of carbon by plants through photosynthesis.
Arrow C is the transfer of carbon through plant consumption by animals.
Arrow D represents the release of carbon by animals through cellular respiration.
Arrow E represents the decomposition of organic waste which is through the cellular respiration of the decomposer.
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Developing an action plan is part of which of the seven health skills? O advocacy O communicating O setting goals O making decisions
Answers
Developing an action plan is part of making decisions on the seven health skills, which are fundamental in healthcare.
What are the seven health skills?The seven health skills can be defined as different aptitudes required to set healthcare decisions.
These health skills include:
Advocacy Assessing Influences/Resources.Communication.Decision Making.Setting objectives
In conclusion, developing an action plan is part of making decisions on the seven health skills, which are fundamental in healthcare.
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A professional boxer hits his opponent with a 1250-N horizontal blow that lasts for 0.16 s. a) what is the opponents final speed, in meters per second, if his mass is 102.5 kg and he was at rest when struck near his center of mass? B) now assume that just the opponent’s head, with a mass of 4.64 kg, was hit in this manner. Calculate the final speed of his head, in meters per second, assuming the head does not initially transfer significant momentum to the boxer’s body.
Answers
We know that the impulse if related to the momentum as:
\(I=\Delta p\)and related to the average force and the time of the collision by:
\(I=Ft\)Which means that:
\(Ft=\Delta p\)a)
In this case the force is 1250 N, the time is 0.16 s, the initial velocity is 0 and the mass is 102.5 kg, then we have:
\(\begin{gathered} (1250)(0.16)=(102.5)(v_f-0) \\ v_f=\frac{(1250)(0.16)}{102.5} \\ v_f=1.951219512 \end{gathered}\)Therefore the velocity is 1.951219512 m/s.
b)
In this case the force is 1250 N, the time is 0.16 s, the initial velocity is 0 and the mass is 4.64 kg, then we have:
\(\begin{gathered} (1250)(0.16)=(102.5)(v_f-0) \\ v_f=\frac{(1250)(0.16)}{4.64} \\ v_f=43.10344828 \end{gathered}\)Therefore the velocity is 43.10344828 m/s.
blimps are essentially very large helium filled balloons. if a blimp contains 536 kg of helium, how many helium atoms are present inside the blimp?
Answers
Blimps are essentially very large helium filled balloons. if a blimp contains 536 kg of helium, the blimp contains approximately 8.049 x \(10^{27}\) helium atoms.
To determine the number of helium atoms present inside the blimp, we can use the following steps:
Calculate the number of moles of helium:
Number of moles = Mass / Molar mass
Given:
Mass of helium = 536 kg
Molar mass of helium = 4.0026 g/mol
First, convert the mass of helium to grams:
536 kg = 536,000 g
Next, calculate the number of moles:
Number of moles = 536,000 g / 4.0026 g/mol
Calculate the number of helium atoms using Avogadro's number:
Number of helium atoms = Number of moles * Avogadro's number
Avogadro's number is approximately 6.022 x \(10^{23}\) atoms/mol.
Substituting the values:
Number of helium atoms = (536,000 g / 4.0026 g/mol) * (6.022 x \(10^{23}\)atoms/mol)
Calculating the value:
Number of helium atoms = (536,000 / 4.0026) * (6.022 x \(10^{23}\))
Therefore, the blimp contains approximately 8.049 x \(10^{27}\) helium atoms.
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determine the magnitude of the current flowing through a 10 ms conductance if the voltage across it is (a) 2 mv; (b) −1 v; (c) 100 e−2t v; (d) 5 sin(5t) v; (e) 0 v.
Answers
The magnitude of current flowing through the conductance is:
(a) 0.2 A.
(b) 100 A.
(c) 10 e^(-2t) A.
(d) 0.5 sin(5t) A.
(e) 0 A.
To determine the magnitude of the current flowing through a conductance, we need to use Ohm's Law, which states that the current (I) flowing through a conductor is equal to the voltage (V) across it divided by its conductance (G).
Ohm's Law equation: I = V / G
Given the voltage across the conductance in each case, we can calculate the current magnitude using the given conductance values.
(a) Voltage = 2 mV, Conductance = 10 mS (10 ms)
I = (2 mV) / (10 mS)
I = 0.2 A
The magnitude of the current flowing through the conductance is 0.2 A.
(b) Voltage = -1 V, Conductance = 10 mS (10 ms)
I = (-1 V) / (10 mS)
I = -100 A
The magnitude of the current flowing through the conductance is 100 A.
(c) Voltage = 100 e^(-2t) V, Conductance = 10 mS (10 ms)
I = (100 e^(-2t)) / (10 mS)
I = 10 e^(-2t) A
The magnitude of the current flowing through the conductance is 10 e^(-2t) A.
(d) Voltage = 5 sin(5t) V, Conductance = 10 mS (10 ms)
I = (5 sin(5t)) / (10 mS)
I = 0.5 sin(5t) A
The magnitude of the current flowing through the conductance is 0.5 sin(5t) A.
(e) Voltage = 0 V, Conductance = 10 mS (10 ms)
I = (0 V) / (10 mS)
I = 0 A
The magnitude of the current flowing through the conductance is 0 A.
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a.) Determine the work done by Zach on the bull.
Answers
Explanation:
The unit of work done is in Joules
Work done is a physical quantity that is defined as the force applied to move a body through a particular distance.
Work is only done when the force applied moves a body through a distance.
Work done = Force x distance
The maximum work is done when the force is parallel to the distance direction.
The minimum work is done when the force is at an angle of 90° to the distance direction.
So to solve this problem;
multiply the force applied by Zack and distance through which the bull was pulled.
what are the state of equilibrium explain with the help of examples
Answers
Explanation:
The state of equilibrium refers to a condition in which an object or system is balanced, with no net external forces or torques acting upon it. In other words, the object or system remains at rest or continues its motion in a straight line at a constant velocity. There are two types of equilibrium: static equilibrium and dynamic equilibrium.
1. Static Equilibrium:
Static equilibrium occurs when an object is at rest and all the forces acting on it are balanced. This means that the net force and net torque on the object are both zero. An example of static equilibrium is a book sitting on a flat table. The weight of the book is balanced by the normal force exerted by the table, and there is no motion.
2. Dynamic Equilibrium:
Dynamic equilibrium occurs when an object is in motion with a constant velocity, and the net force and net torque on the object are zero. In this case, the object experiences balanced forces that result in uniform motion. An example of dynamic equilibrium is a car traveling at a constant speed on a straight road. The driving force applied by the engine is balanced by the resistive forces such as air resistance and friction, allowing the car to maintain a constant velocity.
It's important to note that equilibrium does not necessarily mean that all forces are zero, but rather that the sum of forces and torques acting on the object add up to zero. Equilibrium is a state of balance where there is no change in motion or rotation.
In summary, the state of equilibrium refers to a balanced condition in which the forces and torques acting on an object or system are balanced, resulting in either static or dynamic equilibrium. Examples of equilibrium include a book resting on a table in static equilibrium and a car traveling at a constant speed in dynamic equilibrium.
Answer:
dynamic equilibrium and static equilibrium are the 2 types of equilibrium
Part A
Which yoga poses did you perform best? Which poses do you still need to improve on?
Answers
Answer:
Knees to Chest
Be consistent. Setting and committing to a regular practice of yoga is absolutely essential if you want to make improvements. ..
Answer: Dog pose was really easy, but tree pose was really difficult because it was hard to balance.
how much work does gravity do on the mountain climber if they rappel down the mountain
Answers
Realiza la siguiente conversión de unidades: 340 N a Kgf
Answers
Answer:
The answer is 34.67 kilograms force
please help me pwease
Answers
Answer:
Iron
Explanation: It is by mass the most common element on Earth, right in front of oxygen, forming much of Earth's outer and inner core.
Which best compares kinetic energy and temperature?
Answers
Answer:
^ correct
Explanation:
Option A on edge 2020
Which observational techniques is most appropriate for measuring doppler shifts?
Answers
The observational technique most appropriate for measuring Doppler shifts is spectroscopy, specifically using the Doppler effect in the analysis of spectral lines.
The Doppler effect is the change in frequency or wavelength of a wave (in this case, light) observed when there is relative motion between the source of the wave and the observer. In the context of astronomy, the Doppler effect is commonly used to measure the radial velocity of celestial objects, such as stars, galaxies, and even planets.
There are two main spectroscopic techniques used to measure Doppler shifts:
1. Radial Velocity Method: This technique is used to measure the line-of-sight velocity of an object. It relies on observing the Doppler shift of spectral lines as the object moves toward or away from the observer.
2. Redshift/Blueshift Analysis: This technique is commonly used in cosmology to study the expansion of the universe. It involves measuring the redshift or blueshift of spectral lines from distant objects, such as galaxies.
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Suppose that you observe a spaceship passing in front of you at a relative velocity v=0.75c. According to a clock on Earth, 2.5 seconds passed in the spaceship clock.Find the time elapsed for an observer inside the spaceship.
Answers
Given,
The velocity of the spaceship in as observed by an observer at the earth, v=0.75c
The time interval as observed by the observer on the earth, t₁=2.5 s
The time elapsed in the ship's frame of reference is given by,
\(t_2=\frac{t_1}{\sqrt[]{1-\frac{v^2}{c^2}}}\)On substituting the known values,
\(\begin{gathered} t_2=\frac{2.5_{}}{\sqrt[]{1-\frac{(0.75c)^2}{c^2}}} \\ =\frac{2.5}{0.66} \\ =3.79\text{ s} \end{gathered}\)Thus the time elapsed for an observer in the spaceship is 3.79 s
Typical household circuits can carry a maximum currect of 15 A if a wire has a resistance of 8.0 Ω determine the voltage across the energy souce
Answers
Answer:
V = IR
Explanation:
I = 15 A
R = 8.0
V = 15 × 8
= 120V
Note that whether the field points upward or downward depends on the direction of the current, that is, on whether the coil is wound clockwise or counterclockwise
Answers
The concepts required to solve the problem are Amperes law and Biot-savart law.
According to Amperes law, "the sum of the length elements times the magnetic field is permeability times the electric current enclosed in the loop".
\($$\oint \vec{B} \cdot \overrightarrow{d s}=\mu_{0} I$$\)
Here,
is the magnetic field,
\(\vec{B}$$\)
is the length element,
\($$\overrightarrow{d s}$$\)
is the permeability of free space and
is the current.
\($$B=\int \frac{\mu_{0} I d \vec{l} \times \hat{r}}{4 \pi r^{2}}$$\)
Here,
is the length element,
is the unit vector, and
is the distance of the point from the wire.
Amperes law equation is as follows:
\($$\oint \vec{B} \cdot \overrightarrow{d s}=\mu_{0} I$$\)
If the loop has
\($N$\)
turns and
\($2 \pi r$\)
is substituted for
\($\overrightarrow{d s}$\)
the magnetic field can be calculated below:
\($$\begin{gathered}\oint \vec{B} \cdot \overrightarrow{d s}=\mu_{0} N I \\B(2 \pi r)=\mu_{0} N I \\B=\frac{\mu_{0} N I}{2 \pi r}\end{gathered}$$\)
What is magnetic field ?
The area in which the force of magnetism works around a magnetic substance or a moving electric charge is known as the magnetic field. Moving electric charges and magnetic dipoles combine to form a magnetic field, which acts as a force field on other adjacent moving charges and magnetic dipoles.So the more about magnetic field visit.
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What is the peak power consumption of a 120-v ac microwave oven that draws 10. 0 a.
Answers
if the flash to bang is 15 seconds, lightning is occurring how far away?
Answers
The lightning is occurring approximately 5.1 kilometers away if the flash to bang is 15 seconds. The speed of sound in dry air at a temperature of around 20 degrees Celsius is approximately 343 (m/s)
The flash to bang method is a way to estimate the distance of a lightning strike based on the time between seeing the flash of lightning and hearing the thunder. Sound travels at a speed of approximately 343 meters per second (m/s) in air. By multiplying this speed by the time interval between the flash and the bang, which is 15 seconds in this case, we can determine the distance.
To calculate the distance, we use the formula:
\(\begin{equation}\text{Distance} = \text{Speed} \times \text{Time}\)
Given that the time between the flash and the bang is 15 seconds, we can substitute the values into the formula:
\(\text{Distance} = 343\ \text{m/s} \times 15\ \text{s} = 5145\ \text{m} = 5.145\ \text{km}\)
Therefore, if the flash to bang is 15 seconds, the lightning strike is approximately 5.1 kilometers away.
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Which is the temperature that Fahrenheit and Celsius thermometers would
read as the same number?
A. -40° c
B. -273° c
c. 100°C
D. 0° C
Answers
Answer:
–40o
Explanation:
plz help me with question ;-;
Answers
Answer:
C
Explanation:
There would be no water supply tomorrow at home. How much water should be stored for tomorrow? Why do you emphasize on estimation then?
Answers
Answer:
About 50 to 60 gallons per person (roughly)
Explanation:
Well depends on how many people there are in one household but a single flush of a toilet takes 1 gallon of water... A minute in the shower takes 5 gallons(roughly) so I would save about 50 to 60 gallons per person (this is done with very limited knowledge of science and food tech but mainly off of basic uses
Write a properly formatted hypothesis statement to answer this question: how does the amount of dissolved salt affect the boiling point of water? specify how you plan to change the independent variable by using terms such as increase or decrease. also, specify how the dependent variable will change in response by using terms such as increase, decrease, or stays the same.
Answers
The theory is that:
H0: The amount of salt added to ice has no bearing on how quickly it melts.
H1: The amount of salt added to ice will have an impact on how quickly it melts.
By altering the rate at which salt is introduced to the equation, the independent variable can be modified.
The ice, which is the dependent variable, will alter or melt in response because it will get smaller as the rate at which salt is injected rises.
The boiling point of water, or the temperature at which it may erupt, rises when salt is added to it. For every 58 grams of dissolved salt per kilogram of water, the temperature required to reach boiling rises by around 0.5 C. This is an illustration of an elevated boiling point, which is not just a property of water.
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if speed is the same for two planets, which planet has a longer orbit? PLSSS
HELP ME!!!
Answers
Answer:
Pluto because is the farest away from the sun
A car accelerates from a velocity of 20 m/s in 5 seconds. What is the initial velocity of the car
Answers
Answer:
0
Explanation:
acceleration = velocity÷time
20/5=4m/s square
substitute it v= u+at
u will get final answer as 0m/s
What is the kinetic energy of a 3 kg ball that is rolling at 3 m/s?
Answers
Answer:
\(\Huge \boxed{\mathrm{13.5 \ Joules}}\)
Explanation:
\(\sf Kinetic \ energy \ (J)=\frac{1}{2} \cdot mass \ (kg) \cdot (velocity \ (m/s)) ^2\)
\(\mathrm{KE=\frac{1}{2} mv^2}\)
The mass of the ball is 3 kg.
The velocity of the ball rolling is 3 m/s.
\(\mathrm{KE=\frac{1}{2} \cdot 3 \cdot 3^2}\)
Evaluating and solving for kinetic energy.
\(\mathrm{KE=\frac{1}{2} \cdot 3 \cdot 9}\)
\(\mathrm{KE=\frac{1}{2} \cdot 27}\)
\(\mathrm{KE} =13.5\)
The kinetic energy of the ball is 13.5 Joules.
Answer:
Kinetic energy =1/2mv^2.
1/2×3×3^2.
1/2×27=13.5 or 13 whole number 1/2.
The concept of inertia forms the basis for Newton's Third Law of Motion True False
Answers
Given
The concept of inertia forms the basis for Newton's Third Law of Motion
To find
The given statement is true or false
Explanation
The third law of motion states that every action has a equal and opposite reaction
Inertia is the property by virtue of which an object at rest tends to be at rest and object at motion tends to be at motion
Thus both the concept are not similar
Conclusion
The given statement is false
A particle detector has a resolution 15% of the width of an infinite square well.
A. What is the chance that the detector will find a particle in the ground state of the square well if the detector is centered on the midpoint of the well?
B. What is the chance that the detector will find a particle in the ground state of the square well if the detector is centered on a point one-fourth of the way across the well?
Answers
The chance that the detector will find a particle in the ground state of the square well if the detector is centered on the midpoint of the well is 40.5%.
The chance that the detector will find a particle in the ground state of the square well if the detector is centered on a point one-fourth of the way across the well is 10.1%.
Assuming that the particle detector can only detect particles within a certain range, the probability of detecting a particle in the ground state of an infinite square well depends on the position of the detector within the well.
The probability density function for the ground state of an infinite square well is given by:
P(x) = (2/L)sin^2(nπx/L)
where L is the width of the well and n is the quantum number (in this case, n = 1 for the ground state).
A. If the detector is centered on the midpoint of the well, the probability of detecting a particle in the ground state is simply the integral of the probability density function over the entire width of the well, divided by the width of the range that the detector can detect:
P1 = (1/15%) * ∫[L/2 - (L/2)δ, L/2 + (L/2)δ] P(x) dx
where δ = 0.5 is a factor that accounts for the fact that the detector is centered on the midpoint of the well.
Evaluating the integral and simplifying, we get:
P1 = 4/π^2 = 0.405
Therefore, the chance that the detector will find a particle in the ground state of the square well if the detector is centered on the midpoint of the well is 40.5%.
B. If the detector is centered on a point one-fourth of the way across the well, we need to adjust the probability density function accordingly. Using the same approach as before, the probability of detecting a particle in the ground state is:
P2 = (1/15%) * ∫[L/4 - (L/4)δ, L/4 + (L/4)δ] P(x) dx
where δ = 0.25 is a factor that accounts for the fact that the detector is centered on a point one-fourth of the way across the well.
Evaluating the integral and simplifying, we get:
P2 = 1/π^2 = 0.101
Therefore, the chance that the detector will find a particle in the ground state of the square well if the detector is centered on a point one-fourth of the way across the well is 10.1%.
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An object is known to have balanced forces on it. Which of the following would be a true statement?
Answers
If an object has a balanced force on it, there is a possibility that the object may be in a position i.e. there is no change in speed and direction of the body.
If the forces acting on an object is balanced, it means that the net force acting on the body is zero.
According to Newton's law of motion, an object will continue in a state of motion in a straight line unless acted upon by an external force.
This external force might be a balanced or unbalanced force. Hence if an object has a balanced force on it, there is a possibility that the object may be in a position i.e. there is no change in speed and direction of the body.
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