The impedance of the circuit is 200 ohm.
What is reactance?The term reactance refers to the opposition offered to the flow of current by the inductor or capacitor.
a) The inductive reactance is given by;
XL = 2πFL = 2 × (3.14) × 50 × 318.3 × 10^-3 = 100 ohm
b) Z = √R^2 + XL^2
Z = √(200)^2 + (100)^2
Z = 223.6 ohm
c) I = V/Z = 240V/223.6 ohm = 1.1 A
d) P.d across the resistor; IR = 1.1 A × 200 ohm = 220 V
P.d across inductor = IXL = 1.1 A × 100 ohm = 110 V
e) Phase angle = tan^-1 (X/R) = tan^-1 (100/200) = 27 degrees.
Learn more about impedance:https://brainly.com/question/2263607
Choose a system consisting only of ball A. What is the momentum change of the system during the collision?
The momentum change of the system during the collision is always equals to one another.
Momentum change during collisionIn a collision, the momentum change of first object is equal to and opposite of the momentum change of second object with which the first one collided. Or in other words, the momentum lost by first object is equal to the momentum gained by second object.
The total momentum of the system means the collection of two objects is conserved so we can conclude that the momentum change of the system during the collision is always equals and opposite to one another.
Learn more about collisions here: https://brainly.com/question/7538238
Find the acceleration of a car that goes from 16 m/s to 48 m/s in 8 seconds. Help asappp and put units plssss
Answer:
48 m/s - 16 m/s = 32 m/s
(32 m/s )/ (8 s) = 4 m/s²
un auto si muove lungo una strada rettilinea
Answer:
Un'auto si muove lungo un percorso rettilineo con velocità variabile come mostrato in figura. Quando l'auto è in possesso di A, la sua velocità è 10 ms-1 e quando è in posizione B, la sua velocità è 20 ms-1. Se l'auto impiega 5 secondi per spostarsi da A a B, trova l'accelerazione dell'auto.
Explanation:
What is one example of an individual in an ecosystem?
Answer:
a
Explanation:
AAAA
What would be the direction of the vector given a horizontal component of 4 and a vertical component of
3?
Answer:
5
Explanation:
Use the Pythagorean theorem. 3^2 + 4^2 = 25, which is the square of 5.
Brainliest, please :)
The direction of the vector would eventually depend on the horizontal component and vertical component which are 4 and 3 respectively. So, it would be calculated as 5 according to the Pythagoras theorem.
What do you mean by the Direction of the vector?In physics, the direction of the vector may be defined as the orientation of the vector, that is, the angle it makes with the X-axis. A vector is drawn by a line with an arrow on the top and a fixed point at the other end.
The direction in which the arrowhead of the vector is directed gives the direction of the vector. The direction of the vector measures the angle it makes with a horizontal line.
According to the question,
The horizontal component of the vector = 4
The vertical component of the vector = 3
The direction of the vector = square of the horizontal component + square of the vertical component.
= \(4^2+3^2\) = 16 + 9 = 25 i.e. = \(5^2.\)
Therefore, the direction of the vector would eventually depend on the horizontal component and vertical component which are 4 and 3 respectively. So, it would be calculated as 5 according to the Pythagoras theorem.
To learn more about the Direction of vector, refer to the link:
https://brainly.com/question/27854247
#SPJ2
A push broom of mass m is pushed across a rough horizontal floor by a force of magnitude 7 directed at angle theta. The coefficient of friction between the broom and the floor is μ. The frictional force on the broom has magnitude?
the frictional force on the broom has magnitude μ * m * g * cos(theta)
What is frictional force?
The frictional force on the broom can be determined using the equation:
F_friction = μ * F_norm
Where F_friction is the frictional force, μ is the coefficient of friction, and F_norm is the normal force. The normal force is equal to the force exerted on the broom perpendicular to the surface of the floor. Since the broom is being pushed across a horizontal surface, the normal force is equal to the force of gravity, which is equal to the mass of the broom (m) multiplied by the acceleration due to gravity (g).
F_norm = m * g
The force being applied to the broom is 7N and it is at angle theta with the horizontal. The component of this force perpendicular to the surface of the floor is the force that acts on the normal force.
F_norm = 7 * cos(theta)
Therefore,
F_friction = μ * m * g * cos(theta)
So, the frictional force on the broom has magnitude μ * m * g * cos(theta)
Learn more about frictional force in brainly.com/question/30280752
#SPJ1
How are vibration waves and energy related to sounds
In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. ... In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels.
Answer:
because vibration waves are made by sound
If the length of the standing wave below is 2 meters, what is the wavelength of the standing
wave? *
Answer:
fffffgggggggggggggghhh
A ball punted vertically has a hang time of 3.8 seconds.
A. Construct position-time, velocity-time, and acceleration-time graphs and a motion map for this situation.
B. What was its initial velocity?
Answer:
A.
Position-time graph:
The position-time graph for the ball punted vertically will be a parabolic curve, with the vertex at the highest point of the ball's trajectory. Since the initial position is zero, the curve will go through the origin.
Velocity-time graph:
The velocity-time graph will be a straight line that starts at the initial velocity and decreases linearly until it reaches zero at the highest point of the ball's trajectory. After that, the velocity increases linearly in the negative direction until the ball hits the ground.
Acceleration-time graph:
The acceleration-time graph will be a constant negative value, representing the acceleration due to gravity.
Motion map:
A motion map is a diagram that shows the position of an object at several specific times during its motion. For the ball punted vertically, the motion map would look like this:
|O|------|-------|------|-------|------|H|
O represents the initial position, and H represents the highest point of the ball's trajectory. The "|" symbols represent the position of the ball at regular intervals of time.
B.
To find the initial velocity of the ball, we can use the hang time and the acceleration due to gravity.
Hang time = 3.8 seconds
Acceleration due to gravity = -9.8 m/s^2
At the highest point of the ball's trajectory, the velocity is zero. Therefore, we can use the following kinematic equation to find the initial velocity:
hang time = (final velocity - initial velocity) / acceleration
Solving for initial velocity:
initial velocity = final velocity - (hang time x acceleration)
final velocity = 0 m/s
hang time = 3.8 s
acceleration = -9.8 m/s^2
initial velocity = 0 - (3.8 x -9.8)
initial velocity = 37.64 m/s
Therefore, the initial velocity of the ball was 37.64 m/s.
how is sunlight different from light produced by a light bulb or by a fluorescent light bulb
Find the net rate of radiation net by a pot at 49.1 ∘C that has been placed in a −19.3 ∘C freezer. The pot's surface area is 0.127 m2 and its emissivity is 0.657.
The net rate of radiation emitted by the pot at 49.1°C placed in a -19.3°C freezer can be calculated using the Stefan-Boltzmann Law and the equation for net radiation.
1. Convert the temperatures to Kelvin:
Freezer temperature = -19.3°C + 273.15 = 253.85 K
Pot temperature = 49.1°C + 273.15 = 322.25 K
2. Apply the Stefan-Boltzmann Law:
The Stefan-Boltzmann Law states that the power radiated per unit area by an object is proportional to the fourth power of its temperature:
P = εσA(T₁⁴ - T₂⁴)
Where:
P = Net rate of radiation (in watts)
ε = Emissivity of the object (given as 0.657)
σ = Stefan-Boltzmann constant (σ = 5.67 x \(10^{-8\) W/m²K⁴)
A = Surface area of the pot (given as 0.127 m²)
T₁ = Pot temperature in Kelvin (322.25 K)
T₂ = Freezer temperature in Kelvin (253.85 K)
3. Calculate the net rate of radiation:
P = 0.657 x 5.67 x \(10^-^8\) x 0.127 x (322.25⁴ - 253.85⁴)
After performing the calculation, you will get the net rate of radiation emitted by the pot.
For more such questions on radiation, click on:
https://brainly.com/question/893656
#SPJ8
Answer the following question according to formal grammatical rules.
Which of the following sentences corrects the pronoun errors in this sentence?
If a person wants to help their community, they should research opportunities.
A. If a person wants to help their community, you should research opportunities.
B. If you want to help your community, a person should research opportunities.
C. If people want to help their community, they should research opportunities.
D. If a person wants to help it, they should research opportunities.
If people want to help their community, they should research opportunities corrects the pronoun errors in this sentence.
What is a Pronoun?This is defined as a word which is used instead of a noun and examples include he, she etc.
In this scenario, the word 'people' agrees with the possessive adjective 'their' and the personal pronoun 'they', which is referred to the third-person plural hence the reason why option C is the most appropriate choice.
Read more about Pronoun here https://brainly.com/question/26257764
Answer:
D
Explanation:
D
A father wants his son to start helping his mother do the do laundry. According to social learning theory, the father should
Answer:
Help out with the laundry himself.
Explanation:
In social learning theory, it's a process where people tend to observe the actions of others and then imitate them.
Now, since this father wants to teach his son to start helping his mother do the do laundry, what he can do according to social learning theory is to help with the laundry himself first.
Which of the following situations would cause the greatest decrease in the
motion of molecules in a system?
A
Explanation:
hindi ako sure kung tama ba yan
The net electric flux through a cubic box with sides that are 22.0 cm long is 4950 N⋅m2/C . What charge is enclosed by the box?
Answer:
\(Q_{net}=4.38\,\,10^{-8}\,C\)
Explanation:
We use Gauss's Law for the flux over a closed surface equal the net charge inside the closed surface divided the permitivity of space \(\epsilon_0=8.85\,\,10^{-12}\,\,\frac{C^2}{N*m^2}\)
Therefore, by knowing the flux, we can estimate the net charge inside the cubic box with the product:
\(\Phi=\frac{Q_{net}}{\epsilon_0} \\Q_{net}=4950\,*\,8.85\,\,10^{-12} \,\,C\\Q_{net}=4.38\,\,10^{-8}\,C\)
If a bicycle travels 30 km in two hours and 30 minutes her average speed is?
Answer:
Explanation:
30 km/h b. 60 km/h c. 15 km/h d. 2 km/h. The answer is 15km/h. The rate will be the same. 30km / 2hr = _km / hr. By the law of equivalent fractions ...
7. Daniel is fishing the canals and hooks a 2 kg peacock bass. Daniel exerts a 50 N
force on the fish to the left and the fish exerts an unknown amount of force in the
opposite direction. If the fish accelerates 2 m/s² towards Daniel, what is the
amount of force the fish is exerting?
Ans:
What is the biggest agent of erosion?
a tornadoes
b pollution
c gravity
d water
Answer:
D - Water
Explanation:
In the electric of capacitance 4 ,3 and 2 microfaradas, respectively, are connected in senes to a battery of 260 V , calculate the charge?
The total charge in the circuit is 240 microcoulombs.
To calculate the total charge in a series circuit with capacitors, we need to use the formula Q = CV, where Q represents the charge, C is the capacitance, and V is the voltage.
In this case, we have three capacitors connected in series with capacitances of 4 μF, 3 μF, and 2 μF, respectively. The voltage across the circuit is 260 V.
To find the total capacitance (C_total) in a series circuit, we use the reciprocal rule: 1/C_total = 1/C1 + 1/C2 + 1/C3. Plugging in the values, we get 1/C_total = 1/4 + 1/3 + 1/2.
Simplifying this equation gives us 1/C_total = (3 + 4 + 6)/12 = 13/12. Taking the reciprocal, we find C_total = 12/13 μF.
Now, we can calculate the total charge (Q_total) using Q = C_total × V. Substituting the values, we get Q_total = (12/13) μF × 260 V.
Calculating the numerical value, Q_total = (12/13) × 260 = 240 μC (microcoulombs).
For more such questions on circuit ,click on:
https://brainly.com/question/2969220
#SPJ11
Explain/Describe how atoms in domains determine whether a material is magnetic or not. (Please help this is due today)
Answer:
In a material, the magnetic behavior depends on the alignment of magnetic moments of the atoms. Magnetic moments are generated by the motion of the electrons in the atoms. When the magnetic moments of atoms in a material are aligned in a specific pattern, it creates a magnetic field which results in the material being magnetic.
In many materials, the magnetic behavior arises due to the alignment of magnetic domains, which are regions of atoms with magnetic moments aligned in the same direction. When many domains with aligned magnetic moments are present in a material, the material becomes magnetic.
The magnetic behavior of a material depends on the number of electrons and the arrangement of those electrons in the atoms. In particular, for an atom to have a magnetic moment, it must have unpaired electrons, meaning electrons that are not paired with another electron with the opposite spin. When these unpaired electrons in the atoms are aligned, they generate a magnetic moment. If all electrons are paired, there will not be a net magnetic moment, so the material will not be magnetic.
So, in summary, the magnetic behavior of a material is determined by the alignment of magnetic moments of atoms. When the magnetic moments of many atoms in a material align in the same direction, it creates a magnetic field, leading to a material being magnetic. This alignment is usually present in magnetic domains consisting of atoms with unpaired electrons.
if the initial speed of the ball was increased the horizontal distance traveled by the ball would
If the initial speed of the ball was increased the horizontal distance traveled by the ball would increase.
About speedSpeed in physics is the change in distance over time, and is the distance traveled divided by the time traveled. Speed is a scalar quantity so it only has magnitude and has no direction. Because speed has no direction, it is always positive.
Italian physicist Galileo Galilei was the first scientist to measure speed by measuring the distance traveled and the time needed to travel that distance.
Galileo defined speed as distance per unit time. The equation is as follows: v = d/t , where v is speed, d is distance, and t is time. For example; a person on a bicycle covers a distance of 30 meters in 2 seconds then has a speed of 15 meters per second.
Learn more about speed at https://brainly.com/question/29403728.
#SPJ4
A cup of coffee cools from 120-115°f in 0.5 minutes in a room of 65°f. how long will it take to cool from 105°f _90°f in the same room use newton's law of Cooling
V. Answer the following questions :1. A sharpener loses its sharpening power, if used continuously. Is the loss of sharpeningpower a reversible change or an irreversible change?2. Is ironing of clothes an irreversible change? Give a reason for your answer,3. Is converting wood into saw dust a reversible change? Give one reason for your answer4. State three ways by which a change can be brought about5. Differentiate between a reversible and an irreversible change,6. How the expansion of metals, which is a reversible change, put to good user Support youranswer by an example.7. How does the solubility of a substance change with :(a) rise in temperature(b) fall in temperature?8. Why is it difficult to dissolve sugar in ice cold water?9. You have accidently dropped a glass tumbler, which breaks. Is the change reversible? Givereason.10. Give four examples of the change which :(a) cannot be reversed(b) can be reversed.11. A thick coating of plaster of Paris paste is applied on a bandage on a fractured bone. Thepaste becomes hard on drying. Can this change be reversed?12. You have boiled some milk on a hot summer day. On cooling it you forgot to place it inthe fridge. What kind of change will take place in the milk after 12 hours and why?
It is a reveresible change because sharpner can be grinded and then it can be use to sharp again.
As the book fell through the air and eventually hit the ground,
A. potential energy was destroyed and kinetic energy was create
B. sound energy was created
C. both potential energy and kinetic energy were destroyed
D. the energies of the system were converted from one form to
another
As the book fell through the air and eventually hit the ground, the energies of the system were converted from one form to another.
Option D is correct.
What is energy?Energy is described as the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat and light.
The forms of energy includes:
Chemical energy.
Electrical Energy.
Mechanical Energy.
Thermal energy.
Nuclear energy.
Gravitational Energy.
In conclusion, When the book fell through the air and hit the ground, the potential energy it possessed due to its position above the ground was converted into kinetic energy as it accelerated towards the ground.
Learn more about energy at:
https://brainly.com/question/13881533
#SPJ1
NEED ANSWER FAST!!!!!
When metal strips are place in a liquid, bubbles are observed to form around the metal. When the gas from these bubbles is collected in a balloon, the balloon rises.
what can be concluded in this experiment
A- the gas is poisonous
b- the gas is hydrogen
c- if the balloon is touched with a match, the collected gas will explode
d- the gas is lighter than air
e- the gas is hot because the liquid boiled
Answer:
option d - "the gas is lighter than air"
Explanation:
Based on the given experiment, the most likely conclusion is that the gas collected in the balloon is lighter than air, which causes the balloon to rise. Therefore, option d - "the gas is lighter than air" is the correct answer.
It is not possible to conclude whether the gas is poisonous, hydrogen, or hot because these properties cannot be determined solely from the given experiment. Additionally, it is not safe to assume that the collected gas will explode when touched with a match, as this would depend on the specific properties of the gas collected.
How long does it take the Earth to spin on its axis once?
Explanation:
it takes the earth 24 hours to spin on it's axis once
A lost chicken is trying to cross the street. Its velocity v as a function of time t is given in the graph
below where rightwards is the positive velocity direction.
v (m/s)
5
4+
3
21
1-1
2
3
4
5
-2
-3
-4
-5
What is the chicken's displacement Ax from t = 2 sto 4's?
Answer:-7.5
Explanation:
i just did it
assignment questions
Answer:
which on a is the question
A baseball is tossed straight up in the air. The table shows the height and velocity of the ball at different times as it moves through the air.
Time in Air (seconds) Height of Ball Above Ground (feet) Velocity
(feet per second)
0.00 4 32
0.25 11 24
0.50 16 16
0.75 19 8
1.00 20 0
1.25 19 −8
1.50 16 −16
1.75 11 −24
2.00 4 −32
Which statement is true about the kinetic energy of the baseball at the moment it reaches its maximum height?
The baseball's kinetic energy is less than zero at that instant.
At that moment, all the baseball's kinetic energy has been lost as heat to the atmosphere.
The baseball's kinetic energy is greater than zero at that instant.
✅ At that moment, all the baseball's kinetic energy has been converted to potential energy. (correct answer)
Answer: At that moment, all the baseball's kinetic energy has been converted to potential energy.
Explanation: I took the test
In a baseball game, Joseph hits a ball to the outfield. When does the ball have the most potential energy?
A. when the ball is caught
B. when the bat hits the ball
C. when the ball reaches its greatest velocity
D. when the ball reaches its highest point
It has the greatest Potential energy when the ball reaches its highest point.The correct option is D
What is potential energy?Potential energy is the energy that an object possesses due to its position or state, which can be converted into work or kinetic energy when acted upon by a force.
There are three types of Potential Energy such as :
Elastic Potential Energy: Anything that can act like a spring or a rubber band can have elastic potential energyGravitational Potential Energy: There is a constant attractive force between the Earth and everything surrounding it, due to gravityChemical Potential Energy.Learn more about Potential Energy here: brainly.com/question/1242059
#SPJ1
Answer:
1) PE=mgh
2)when the ball reaches its highest point
3)21,599,200 J
4) The object’s mass, gravity, and height determine its potential energy.
5)Members of a team work together to create a plan, and then members choose different tasks to carry out the plan.