Determine the impedance of the parallel RC branch. (Assume 10 volts across the branch.) The values calculated for this question may be used for additional questions. (Round the FINAL answer to two decimal places.)
E_app_ = 15 V
f = 50 Hz
series = R = 10 ohm
Br1 = X_C_ = 10 ohms
Br2 = R = 10 ohms
Answers
The impedance of the parallel RC branch is 7.07 ohms. It is denoted by the letter Z.
What is the impedance overall?The total resistance a circuit or a section of a circuit provides to electric current is measured as electrical impedance. Resistance and reactance are both parts of impedance. The current-carrying charged particles collide with the conductor's internal architecture, creating the resistance component.
What are SI units and impedance?Resistance and reactance combined makeupup impedance. Ohm is the SI unit for reactance (X), resistance (R), and impedance (Z). Electrical parts like capacitors and inductors offer reactance, a type of fictitious resistance. Inductive reactance, denoted by the formula XL = 2fL, is the reactance offered by the inductor.
\(I_C = E_C_ / X_C_\)
\(I_C = 10 / 10\)
\(I_C= 1 A\)
\(I_R= E_R_ / R\)
\(I_R_ = 10 / 10\)
\(I_R = 1 A\\I_T = sqrt (I_R^2 + I_C^2)\\I_T_ = sqrt (1 + 1)\\I_T= 1.414 A\\Z_RC = E_RC_/ I_T\\Z_RC_ = 10 / 1.414\\Z_RC_ = 7.07 ohms\)
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Related Questions
An electron moving along the +x axis enters a magnetic field. If the electron experiences a magnetic deflection in the -y direction, then the magnetic field must have a component along the
+x axis
-x axis
+y axis
-y axis
+z axis
-z axis
Answers
An electron moving along the +x axis enters a magnetic field. If the electron experiences a magnetic deflection in the -y direction, then the magnetic field must have a component along the -z-axis.
Fleming's left-hand rule tells us that a positive charge experiences a magnetic force perpendicular to the plane in which the velocity vector and the magnetic field vector are located when it moves at a velocity v that is perpendicular to the direction of the magnetic field.In this instance, all three vectors are mutually perpendicular.Here, under the circumstances, a negative charge is traveling down the x-axis and is deflected in the -y direction, causing the magnetic field to be along the negative z-axis, or into the screen.Know more about Electrons at:
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An object of mass(0.8kg) is attached to massless string of length (2.0),and swung with a tangential velocity of (3.0m/s) what is the tension in the string?
Answers
Answer:
3.6 N
Explanation:
The magnitude of centripetal force in this case is equal to the magnitude of tension in the spring.
The formula is :
T= mv²/r ------where T is tension
m= mass of object =0.8 kg
v= velocity of object {tangential velocity} = 3.0 m/s
r= length of string = 2m
Applying the formula with real values;
T= mv²/r
T= {0.8 * 3²} / 2
T= { 7.2}/2 = 3.6 N
A ball is dropped from the top of a building. It initially moves at 4.0 m/s. After 0.5 seconds, it moves at 3.8 m/s.
Answers
You have arrived at the final accident scene of the day. Two cars of equal mass (2,000 kg each) were involved in a head-on accident at a four-way-stop intersection. Here is what you know:
Car 1 started at rest and coasted toward the intersection from the top of a 50-meter hill.
Car 2 was on a flat stretch of road at the bottom of the hill in front of Car 1.
Answers
Answer:
They prolly dead lol.
Explanation:
XD THEY DEAD!!
a very long cylinder of radius a and made of material with permeability m is placed into an initially uniform magnetic field
Answers
A long cylinder with radius "a" and permeability "m" in a uniform magnetic field experiences magnetic flux through its surface.
When a long cylinder of radius "a" and made of material with permeability "m" is placed in an initially uniform magnetic field, the magnetic field lines will be attracted towards the material.
This causes the magnetic field lines to be more concentrated inside the cylinder and less concentrated outside of it.
The magnetic flux, which is a measure of the total magnetic field passing through the surface, will change due to the presence of the cylinder.
To calculate the magnetic flux, you can use Ampere's law and integrate the magnetic field over the surface area of the cylinder.
The permeability "m" of the material plays a crucial role in determining the degree of magnetic field concentration inside the cylinder.
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When a cylinder made of material with permeability m is placed into an initially uniform magnetic field, the magnetic field distribution around the cylinder will be affected.
The magnetic field lines will be distorted due to the presence of the cylinder. The cylinder will act as a magnet with a magnetic moment, and it will experience a torque when placed in an external magnetic field. The permeability of the material determines how much the magnetic field will be affected by the cylinder. If the permeability of the material is high, the magnetic field lines will be more strongly attracted to the cylinder and the magnetic field will be more distorted. Conversely, if the permeability is low, the magnetic field will be less affected by the cylinder. The radius of the cylinder also plays a role in determining the magnetic field distribution. The larger the radius, the more the magnetic field will be affected by the cylinder. A very long cylinder of radius a will have a significant impact on the magnetic field distribution. In summary, the magnetic field distribution around a very long cylinder of radius a and made of material with permeability m will be affected by the permeability of the material and the radius of the cylinder. The magnetic field lines will be distorted, and the cylinder will experience a torque when placed in an external magnetic field.
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The speed of a moving bullet can be deter-
mined by allowing the bullet to pass through
two rotating paper disks mounted a distance
61 cm apart on the same axle. From the
angular displacement 14° of the two bullet
holes in the disks and the rotational speed
1436 rev/min of the disks, we can determine
the speed of the bullet.
Answers
Answer:
v = 381 m/s
Explanation:
Linear Speed
The linear speed of the bullet is calculated by the formula:
\(\displaystyle v=\frac{x}{t}\)
Where:
x = Distance traveled
t = Time needed to travel x
We are given the distance the bullet travels x=61 cm = 0.61 m. We need to determine the time the bullet took to make the holes between the two disks.
The formula for the angular speed of a rotating object is:
\(\displaystyle \omega=\frac{\theta}{t}\)
Where θ is the angular displacement and t is the time. Solving for t:
\(\displaystyle t=\frac{\theta}{\omega}\)
The angular displacement is θ=14°. Converting to radians:
\(\theta=14*\pi/180=0.2443\ rad\)
The angular speed is w=1436 rev/min. Converting to rad/s:
\(\omega = 1436*2\pi/60=150.3776\ rad/s\)
Thus the time is:
\(\displaystyle t=\frac{0.2443\ rad}{150.3776\ rad/s}\)
t = 0.0016 s
Thus the speed of the bullet is:
\(\displaystyle v=\frac{0.61}{0.0016}\)
v = 381 m/s
A real image can be obtained with:
A convex lens and a convex mirror
A concave lens and a concave mirror
A convex lens and a concave mirror
A concave lens and a convex mirror
Answers
Answer:
convex lens and a concave mirror
Answer:
c on edge
Explanation:
If a system has 71.0 j of heat added to it, and the system does 25.0 j of work on its surroundings, what is the change in the internal energy of the system, in j?
Answers
The change in the internal energy of the system is 96 j.
What is internal energy ?The change in the internal energy of the system is given by
Δ U = Q + W
Q = 71.0 j
W = 25.0j
Δ U = Q + W
Δ U = 71 +25
Δ U = 96 j
The system's kinetic energy and potential energy together make up the system's internal energy. When a reaction is conducted at a constant pressure, the internal energy change (U) of the reaction is equal to the heat acquired or lost (enthalpy change).
A thermodynamic system's internal energy is its total internal energy. It is the energy required to build or prepare the system in the internal state that it is in at the time.
In thermodynamics, internal energy is a quantity or state function that characterizes a substance's energy when capillary effects and other external fields, such as electric and magnetic forces, are absent.
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When a cannon is fired, the accelerations of the cannon and cannonball are different, because the:____.
Answers
Answer:
Because the masses are different.
Explanation:
acceleration produced in the cannonball and cannon are different because the force applied on them are equal but their masses are different.
What difficulties would arise due to lack of uniformity in measurement in different
countries? Write in brief.
Answers
Answer:
Many difficulties would arise if there was a lack of uniformity in the measurement of various weights and measures between business, industry, individuals and countries.
The biggest implications for a lack of uniformity are in health and safety, equity and sustainability.
Explanation:
https://alessandrorossini.org/we-can-put-an-end-to-imperial-units/
A 10kg rock is dropped and hits the ground at a speed of 60m/s. Calculate the gravitational potential energy of the rock before it was dropped. You can ignore the effects of friction
Answers
The Gravitational potential energy of a 10 kg rock having a speed of 60 m/s is equal to the kinetic energy of rock on earth, and it is equal to 18 KJ.
What is Gravitational potential energy?The work per unit mass required to move an object from a fixed reference position to a given location is the gravitational potential at that location. With mass assuming the function of charge, it is comparable to the electric potential.
Given: Mass of rock (m) = 10 kg, speed of rock(v) = 60 m/s
We know that by the conservation of energy, the kinetic energy will be equal to the gravitational potential energy of rock.
Kinetic energy(KE) = 1/2 × m\(v^{2}\)
KE = 1/2 × 10× \(60^{2}\)
KE = 18000 J
Therefore, the Gravitational potential energy of the rock is 18 kJ
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What force is needed to give a 0.25 kg arrow an acceleration of 196 m/s² question 10 options: 0.25n 49n 196n 748n
Answers
The force that is needed to accelerate the arrow is 49 Newtons.
To determine magnitude of the force needed to give a 0.25 kg arrow an acceleration of 196 m/s², we can use the equation of force:
F = ma
where F is the force, m is the mass, and a is the acceleration.
Given that m = 0.25 kg and a = 196 m/s², we can substitute these values into the equation and solve for F:
F = (0.25 kg)(196 m/s²)
F = 49 N
So the force needed to give a 0.25 kg arrow an acceleration of 196 m/s² is 49 N. This is the correct answer out of the options given.
To arrive at this answer we used Newton's second law of motion, which states that the force acting on an object is equal to the mass of the object multiplied by its acceleration. Thus, we were able to use the equation "F = ma" (where F is force, m is mass and a is acceleration) to solve for the force required to accelerate the arrow at 196 m/s².
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A block of weight w = 25.0 N sits on a frictionless inclined plane, which makes an angle θ = 30.0 ∘ with respect to the horizontal, as shown in the figure. (Figure 1)A force of magnitude F = 12.5 N , applied parallel to the incline, is just sufficient to pull the block up the plane at constant speed.
A: The block moves up an incline with constant speed. What is the total work Wtotal done on the block by all forces as the block moves a distance L = 3.80 m up the incline? Include only the work done after the block has started moving at constant speed, not the work needed to start the block moving from rest.
B :What is Wg , the work done on the block by the force of gravity w⃗ as the block moves a distance L = 3.80 m up the incline?
C: What is WF , the work done on the block by the applied force F⃗ as the block moves a distance L = 3.80 m up the incline?
D: What is WN , the work done on the block by the normal force as the block moves a distance L = 3.80 m up the inclined plane?
Answers
a ) The total work Wtotal done on the block by all forces = 0
b ) The work done on the block by the force of gravity = - 47.5 J
c ) The work done on the block by the applied force F = 47.5 N
a ) The total work Wtotal done on the block by all forces,
Since, only the work done after the block has started is considered, the total work done is the change in kinetic energy. Since, the block is moving at a constant speed there is no change in kinetic energy and so total work Wtotal done is zero.
b ) The work done on the block by the force of gravity,
Wg = Fg * h * cos θ
Fg = W = 25 N
sin 30 = h / 3.8
h = 1.9 m
Wg = 25 * 1.9 * cos 180
Wg = - 47.5 J
c ) The work done on the block by the applied force F,
WF = F * d * cos θ
WF = 12.5 * 3.8 * cos 0
WF = 47.5 N
d ) The work done on the block by the normal force,
Normal force acts perpendicular to the surface. The movement is towards the right side of the surface. So cos θ will be cos 90 which is equal to zero. So the work done will be zero.
Therefore,
a ) The total work Wtotal done on the block by all forces = 0
b ) The work done on the block by the force of gravity = - 47.5 J
c ) The work done on the block by the applied force F = 47.5 N
d ) The work done on the block by the normal force = 0
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20 POINTSSS PLS HELP
Imagine if the Earth suddenly sped up. What do you think would happen to its orbit?
Answers
Answer:
down below
Explanation:
I assume you're asking about it's orbit around the sun. I believe the Earth's orbit around the sun would be shorter. If the Earth sped up, one can assume that means the days are shorter and the rate at which the Earth orbits the sun would also speed up.
This sounds like an open ended question, so I don't think there can be a wrong answer.
Hope this helps! :)
IM SO CONFUSED
A billiards player hits the 0.17 kg cue ball so that it travels towards the stationary 0.16 kg 8-ball with a speed of 0.48 m/s. If the cue ball stops after the collision, what is the resulting speed of the 8-ball? What is the change in momentum of the cue ball? What is the change in momentum of the 8-ball?
Answers
In accordance with the conservation of momentum law the 8-ball's final speed after a collision is 0.51 m/s.
The momentum, what is it?momentum is the result of a particle's mass and velocity. Being a vector quantity, momentum possesses both direction and magnitude.
Given data :
Mass of cue ball(m1) = 0.17 kg
Mass of 8-ball(m2) = 0.16 kg
Initial speed of cue ball (u1) = 0.48 m/s
Initial speed of 8-ball (u2) = 0 m/s
Final speed of cue ball (v1) = 0 m/s
Final speed of 8-ball (v2) = v2 m/s
The total momentum before and after a collision is equal, according to the conservation law of momentum.
Hence,
m1u1 + m2u2 = m1v1 + m2v2
0.17 × 0.48 + 0.16 × 0 = 0.17 × 0 + 0.16 × v2
0.0816 + 0 = 0 + 0.16v2
0.0816 / 0.16 = v2
0.51 m/s = v2
v2 = 0.51 m/s
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The graph shown below expresses a radical function that can be written in the form f(x)= a(x+ k)^1/n+C. What does the graph tell you about the
value of n in this function?
Answers
The value of n in the given function is negative even integer.
The given parameters:
\(f(x) = a(x + k)^{\frac{1}{n } } + c\)
When n is positive, the function is written as;
\(f(x) = a(x + k)^{\frac{1}{n } } + c\)
When n is negative, the function is written as;
\(f(x) = a(x + k)^{\frac{1}{-n} } + c\\\\f(x) = \frac{a}{(x + k)^n} + c\)
When n is odd integer, the function will have three possible curves.
When n is even integer, the function will have two curves: one real solution and one imaginary solution.
When n is positive even integer, the real solution will curve upwards.
When n is negative even integer, the real solution will curve downwards.
The plot in the given graph curves downwards which indicates negative even integer value of n.
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Answer: N is a positive even integer
Explanation: The answer above is wrong I did the quiz once alr.
How many turns should a coil wrapped around the outside of the solenoid have so that the emf induced in the coil is 15 V
Answers
The number of turns a coil wrapped around the outside of the solenoid should have is : 127 turns
Given data :
Diameter of solenoid = 25-cm
Rate of increase of magnetic field = 2.4 T/s
Induced emf = 15 v
Determine the number of turns of the coilInduced emf = N ( dФ / dt ) ---- ( 1 )
where : ( dФ / dt ) = ( A (db/dt) )
Equation ( 1 ) becomes
Induced emf = N A ( db/dt ) ------ (2)
From equation ( 2 )
N = Induced emf / A ( db/dt ) ------ ( 3 )
where : Induced emf = 15 v . db/dt = 2.4 T/s , A = area of solenoid
Area of solenoid = πr² = π * ( 0.125 )²
Insert values into equation ( 3 )
N = 15 / ( π * ( 0.125 )² ) * 2.4
= 127.32 ≈ 127 turns
Hence we can conclude that The number of turns a coil wrapped around the outside of the solenoid should have is : 127 turns.
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Below is the missing part of the question
The magnetic field inside a 25-cm-diameter solenoid is increasing at 2.4 T/s
The body needs small amounts of ________ to help enzymes break down proteins.
Answers
Answer:
I would say vitamin B-6
Explanation:
it is also known as pyridoxine. it helps ebzymes break down protein and carry the dismantled amino acids to the blood stream
Hope this helps ✌✌
Answer:
The body needs small amount of vitamin B-6 to help enzymes break down protein and carry the dismantled amino acids to the blood stream.
Can somebody help me with this carbon nuclides question please?
Answers
Answer:
isotopes
Explanation:
because all of them have the same proton number which is the atom of the same element
Two tuning forks are generating sounds of wavelengths 34.4 cm and 33.94 cm. How many beats are produced each second by the two tuning forks? The speed of sound is 340 m/sec.
A. 18
B. 22
C. 14
D. 27
Answers
Therefore, the beats produced each second by the two tuning forks is 73913 and it is none of the options given.
Beats produced calculation.
To calculate the number of beats produced by the two turning fork:
number of beats produced = speed/ differences in their wavelengths.
the speed of sound is 340/sec
Turning fork for a wavelengths is 34.4
Turning fork B wavelength is 33.94
Differences in their wavelength = 34.4 - 33.94 = 0.46cm
convert to meter = 0.0046m
Number of beats = 340/ 0.0046
Number of beat produced is 73913.
Therefore, the beats produced each second by the two tuning forks is 73913.
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The speed of sound is 343 m/s in air at room temperature. What is the wavelength of a B-flat musical note that has a frequency of 466 HZ? What would happen to the wave length if you increased the frequency to 932 Hz?
Answers
Answer:
1398
Explanation:
sorry if imam wrong
Making rough estimates of physical quantities is usefulA. So that you can see if the answer to a problem makes physical sense.B. Because we only use approximate numbers in problems.C. Because the laws we use are not exact, so using exact numbers is not crucial.D.So that you can compute answers doing simpler math.
Answers
Answer:
A. So that you can see if the answer to a problem makes physical sense.
Explanation:
Science can be defined as a branch of intellectual and practical study which systematically observe a body of fact in relation to the structure and behavior of non-living and living organisms (animals, plants and humans) in the natural world through experiments.
An experiment can be defined as an investigation which typically involves the process of manipulating an independent variable (the cause) in order to be able to determine or measure the dependent variable (the effect).
This ultimately implies that, an experiment can be used by scientists to show or demonstrate how a condition causes or gives rise to another i.e cause and effect, influence, behavior, etc in a sample.
Measurements refers to the process which typically involves the process of identifying and determining the dimensions of a physical object. The dimensions include important parameters such as width, height, length, area, volume, circumference etc.
In Science, making rough estimates of physical quantities is useful so that you can see if the answer to a problem makes physical sense.
For example, you could make a rough estimate of a storage tank and deductively determine whether or not it's in tandem with its physical size in reality.
An 0.08 kg arrow is shot from a bow with a velocity of 25 m/s.
Calculate the kinetic energy of the arrow just before it strikes
it's target.
PE = mgh
KE = 1/2mv2
PE + KE = PE + KE
Answers
.........................................
based on what you know about energy, what types of energy does the water balloon have? how would energy explain the water balloon’s behavior?
Answers
Energy is an important concept that affects us in many ways. It is the ability to do work, and it can come in many forms. When it comes to a water balloon, it has several types of energy that explain its behaviour.
Types of Energy: The water balloon has potential energy, which is stored energy due to its position or shape. This potential energy is converted to kinetic energy when the balloon is thrown. Kinetic energy is the energy of motion, so as the balloon moves, it has kinetic energy.
The balloon also has thermal energy, which is energy that comes from the temperature of the water in the balloon. As the water inside the balloon heats up, the thermal energy increases and the balloon becomes more elastic.
Behaviour: The water balloon's behaviour can be explained by the energy it contains. The potential energy it has will cause it to move when it is released, resulting in its kinetic energy. The thermal energy can cause the balloon to expand and become more elastic, making it more likely to burst when hit by an object. The combination of these energies explains why the balloon behaves the way it does.
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which of the following best describes dew point
a- the temperature at which water evaporates
b-the temperature at which condensation occurs
c-the temperature at which clouds evaporate
d-the temperature at which water freezes
Answers
sorry if I’m wrong but thats what I remember what few point was
An airplane flying horizontally with a speed of 500 km/h at a height of 850 m fires a projectile horizontally in its direction of motion at a speed of 290 m/s relative to the plane. (Calculate the following answers relative to the ground.) (a) How far in front of the release point does the projectile hit the ground (in m)? (b) What is its speed when it hits the ground (in m/s)?
Answers
The projectile hit the ground 3,992.97 m in front of the release point. The projectile speed when it hits the ground is 438.5 m/s
When a level-flying aircraft fires a projectile horizontally in the direction of travel, it means:
v₁ = speed of the plane = 500 km/h
v₁ =500 x 1000 km = 138.89 m/s
3600s
v₂ = velocity of bullet with respect to plane = 290 m/s
v = projectile velocity relative to the ground
v = v₁ + v₂ = 428.89 m/s
The projectile moves horizontally, but has projectile motion that moves horizontally and vertically along a parabola curve.
In the vertical direction, the projectile moves with un uniform motion.
uy = initial vertical velocity = 0 m/s
h = height = 850m
g = gravitational acceleration = 9.8 m/s²
2h = 1/2 gt²
2 × 850 = 9.8 × t²
t = √1,7009.8
t = 9.31 seconds
The projectile moves horizontally with constant velocity.
distance
d = vt
d = 428.89 × 9.31
d = 3,992.97m
when the projectile almost touches the ground
vertically
maximum speed
vy = gt = 9.8 × 9.31 = 91.24 m/s
horizontally
vx = v = 428.89 m/s
projectile final velocity
v² = vx² + vy²
v² = 428.89² + 91.24²
v² = 183,946.63 + 8,324.37
v² = 192,271.004
v = 438.5 m/s
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Bronco the skydiver, whose mass is 80 kg experiences 200 N of air resistance and gravity pulls on him with 800 N What is the acceleration of his fall?
Answers
Bronco the skydiver, whose mass is 80 kg experiences 200 N of air resistance and gravity pulls on him with 800 N. The acceleration of his fall 7.5 m/sec².
What is force?A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
To find the acceleration,
F = mg
F = 80.(10)
F = 800 N
air resistance = 200 N
Net force = F - air resistance
= 800 - 200
= 600 N
600 = mass . acceleration
600 = 80 . acceleration
acceleration = 7.5 m/sec²
Bronco the skydiver, whose mass is 80 kg experiences 200 N of air resistance and gravity pulls on him with 800 N. The acceleration of his fall 7.5 m/sec².
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which type of thermal energy transfer does a wrapping of plastic reduce the most?
Answers
What is the height of a building in meters if it takes a dropped rock 4.1 seconds to fall from its roof.
Answers
Answer:
40.18m
Explanation:
9.8 m/s/s is gravity.
9.8*4.1=40.18m
A car is travelling down a road. A displacement vs. time graph for the car is shown below. What is the velocity of the car 6 s into the car's motion?
Answers
May you attach your displacement vs. time graph picture and resend the question once again then I might be able to help you