true or faule because only one path exists for the current to flow through a series circuit, it must flow through each resistor in the circuit.
Answers
In a series circuit, there is only one path for the current to go, hence each resistor in the circuit must conduct current. For series-connected resistors, this assertion is accurate.
Why does a series circuit just have one path for current?This is thus because a series circuit only has one path for current to move along. Since conductors carry electric charge, the rate of flow at any point in the circuit at any given instant must be equal.
What takes place when a circuit path is damaged?Current will stop flowing in the circuit if any section of this path is damaged. Any series-connected set of parts in a circuit that doesn't have any junctions must all have the same amount of current flowing through them. Devices are connected in a parallel circuit so that current can go along more than one closed path.
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Related Questions
Help me please!!!!!!!!!!!!!!!!!!!!!!
Answers
According to the information we can infer that the country that was formed from Yugoslavia was Croatia (option C).
What country was formed from Yugoslavia?According to the information from different sources we can infer that the country that was formed from Yugoslavia was Croatia. This country is located in southeastern Europe that gained independence in 1991 after the breakup of Yugoslavia.
Additionally, it was one of the six republics that made up Yugoslavia, along with Bosnia and Herzegovina, Montenegro, North Macedonia, Serbia, and Slovenia. Following a period of political and social unrest, Croatia declared its independence from Yugoslavia, which ultimately led to the Croatian War of Independence.
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Today's lifestyles have led to increased demands for disposable products. The packaging of these products has caused environmental problems most directly associated with
(1) food web contamination
(2) atmospheric depletion
(3) solid waste disposal
(4) the use of nuclear fuels
Answers
The environmental problems most directly associated with increased demands for disposable products and their packaging are solid waste disposal.
The use of disposable products contributes to the generation of large amounts of waste, including packaging materials such as plastic, paper, and other non-biodegradable materials. Improper disposal of these materials can lead to pollution of landfills, oceans, and other natural habitats, causing harm to wildlife and ecosystems. Additionally, the production and disposal of disposable products require significant amounts of energy and resources, contributing to environmental degradation. While other options such as food web contamination, atmospheric depletion, and the use of nuclear fuels may also have environmental impacts, solid waste disposal is the most direct and immediate consequence of increased demands for disposable products and their packaging.
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What is the frequency of a wave with speed 3m/s and wavelength 6m?
(please with an explanation i'm stoopid) <3
Answers
The frequency of the radio wave is
1
×
10
8
H
z
Explanation:
Let's use the this formula:
C
=
λ
×
v
C represents the speed of light, which has a value of approximately
3.00
×
10
8
m
s
λ
represents the wavelength and the units should be in meters.
v represents the frequency, which should have units of
H
z
or
s
−
1
. Hz is hertz or reciprocal seconds.
Now let's rearrange the equation to solve for v:
C
λ
=
v
v
=
3.00
×
10
8
m
s
/
(
3
m
)
=
1
×
10
8
s
−
1The frequency of the radio wave is
1
×
10
8
H
z
Explanation:
Let's use the this formula:
C
=
λ
×
v
C represents the speed of light, which has a value of approximately
3.00
×
10
8
m
s
λ
represents the wavelength and the units should be in meters.
v represents the frequency, which should have units of
H
z
or
s
−
1
. Hz is hertz or reciprocal seconds.
Now let's rearrange the equation to solve for v:
C
λ
=
v
v
=
3.00
×
10
8
m
s
/
(
3
m
)
=
1
×
10
8
s
−
1The frequency of the radio wave is
1
×
10
8
H
z
Explanation:
Let's use the this formula:
C
=
λ
×
v
C represents the speed of light, which has a value of approximately
3.00
×
10
8
m
s
λ
represents the wavelength and the units should be in meters.
v represents the frequency, which should have units of
H
z
or
s
−
1
. Hz is hertz or reciprocal seconds.
Now let's rearrange the equation to solve for v:
C
λ
=
v
v
=
3.00
×
10
8
m
s
/
(
3
m
)
=
1
×
10
8
s
−
1The frequency of the radio wave is
1
×
10
8
H
z
Explanation:
Let's use the this formula:
C
=
λ
×
v
C represents the speed of light, which has a value of approximately
3.00
×
10
8
m
s
λ
represents the wavelength and the units should be in meters.
v represents the frequency, which should have units of
H
z
or
s
−
1
. Hz is hertz or reciprocal seconds.
Now let's rearrange the equation to solve for v:
C
λ
=
v
v
=
3.00
×
10
8
m
s
/
(
3
m
)
=
1
×
10
8
s
−
1
The frequency of the wave with a speed of 3 m/s and wavelength of 6 m is 0.5 Hz or 1/2 Hz.
What is Frequency?Frequency is the number of occurrences of a repeating event per unit of the time taken. Frequency is also occasionally referred to as temporal frequency, and it is distinct from that of angular frequency. Frequency is measured in SI unit of hertz (Hz) which is equal to one event per second time.
The frequency of a wave can be calculated as:
f = v/ λ
where, f = frequency of the wave,
v = speed or velocity of wave,
λ = wavelength of the wave
Therefore, the frequency of the wave will be:
f = 3/ 6
f = 1/2 or 0.5Hz
The frequency of the wave is 0.5Hz.
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If a string fixed at both ends resonates in its fundamental mode with a frequency of 150 Hz, at which of the following frequencies will it not resonate?
Answers
To determine the frequencies at which the string will not resonate, we need to consider the harmonics of the fundamental frequency. In the case of a string fixed at both ends, the resonant frequencies are integer multiples of the fundamental frequency.
Calculate the resonant frequencies of the string:
Fundamental frequency (n = 1): f₁ = 150 Hz
First harmonic (n = 2): f₂ = 2 × f₁ = 2 × 150 Hz = 300 Hz
Second harmonic (n = 3): f₃ = 3 × f₁ = 3 × 150 Hz = 450 Hz
Third harmonic (n = 4): f₄ = 4 × f₁ = 4 × 150 Hz = 600 Hz.So, the frequencies at which the string will not resonate are the non-integer multiples of the fundamental frequency. In other words, any frequency that is not a whole-number multiple of 150 Hz will not resonate. Frequencies such as 175 Hz, 220 Hz, or 280 Hz will not resonate because they are not integer multiples of the fundamental frequency.
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A 25.0 kg box of textbooks rests on a loading ramp that makes an angle α with the horizontal. The coefficient of kinetic friction is 0.250, and the coefficient of static friction is 0.350.
A) As α is increased, find the minimum angle at which the box starts to slip.
B）As this angle, find the acceleration once the box has begun to move
c) at this angle, how fast will the box be moving after it has slid a distance 4.7m along the loading ramp
Answers
(a) As σ is increased, The minimum angle will be "19.2°".
(b) The acceleration will be "0.91 m/s²"once the box has began to move.
(c) The speed will be "3 m/s" as the box slid a distance 4.7 m along the loading map.
According to the question,
Mass = 25.0 kg
Kinetic friction = 0.25
Coefficient of static friction = 0.35
(a) We know,
⇒ static friction = mg sine
⇒ mg cosine * u = mg sine
then,
tan A = u = 0.35
a = 19.2
Therefore, as α is increased, the minimum angle at which the box starts to slip is 19.2°.
(b) We know that:
Kinetic friction = mgCos19.2 * 0.25
= 2.31m
and,
Net force downwards = mgSin19.2 - mgCos19.2* 0.25
By substituting the values, we get
= m(3.22-2.31)
= 0.91m/s²
Therefore, As this angle, the acceleration once the box has begun to move at 0.91 m/s².
(c) since the box is sliding at a distance of 4.7 meter:
Thus,
The speed will be:
→ \(v^{2} - u^{2} + 2as\)
\(0 + 2* 0.91* 5\)
= 9.21
\(v = 3m/s\)
Therefore, at this angle, at 3m/s will the box be moving after it has slid a distance 4.7m along the loading ramp
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Why can videos be streamed from one computer to another with excellent
quality?
A. They are received using both analog and digital signals.
B. They are transmitted using analog signals.
C. They are received using either analog or digital signals.
D. They are transmitted using digital signals.
SUBMIT
Answers
A tree is turned into sawdust is that physical change or chemical change?
Answers
Answer:
Physical change
Explanation:
A physical change can be reversible where the original form of the matter can be restored, or irreversible where the original form cannot be restored. Therefore, sawdust is a physical change.
derive the 2nd equation of motion
please first will mark as brainlist
Answers
Answer: s= ut+ 1/2 at²
Explanation:
Explanation:
hope it helps you please mark me brain list
A 5kg block of iron with a specific heat capacity of 450 J/kg °C recieves 0.03 MJ of energy. What is the temperature rise of the iron?
Answers
The temperature rise of the iron is 13.33°C
How to calculate temperature in calorimetry?Calorimetry is the science of measuring the heat absorbed or evolved during the course of a chemical reaction or change of state.
The heat gained or released during a calorimetry procedure can be calculated as follows:
Q = mc∆T
Where;
Q = quantity of heat (J)m = massc = specific heat capacity∆T = change in temperatureAccording to this question, a 5kg block of iron with a specific heat capacity of 450 J/kg °C recieves 0.03 MJ of energy. The change in temperature can be calculated as follows:
30,000J = 5 × 450 × ∆T
30000 = 2250∆T
∆T = 30000 ÷ 2250
∆T = 13.33°C
Therefore, 13.33°C is the temperature rise.
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To observe a chemical property, a chemical change must occur (new substances produced). To see if a piece of paper has the chemical property of combustability (will burn in oxygen), you must actually try to burn it, producing carbon (ash), water vapor, carbon dioxide – the material is no longer paper. What are some clues, observations that might indicate that a chemical change has occurred?
Answers
Answer:
Explanation:
Chemical reaction is described as the process of rearrangement of the atoms to produce a new product which will have a different chemical identity.
For the observatory evidences to prove a chemical reaction has occurred we can look to the following:
Emission of heat/loss of heatEmission of lightchange in the physical formFormation of precipitateEvolution of gasescolor changeDecomposition of the organic matterGenerally chemical change is irreversibleAbsolute result for the chemical change can be observed using the chemical analysis
another dog runs up beside the first dog and starts barking at the same sound intensity level. what sound intensity level in decibels do you hear from the two dogs barking?
Answers
When another dog runs up beside the first dog and starts barking at the same sound intensity level, the sound intensity level in decibels that is observed by both dogs is approximately 153db
What is sound intensity?The force carried by acoustic energy per unit area in a direction perpendicular to that region is described as sound intensity, also known as acoustic intensity. The watt per square meter is the SI measure of intensity, which includes sound intensity.
To get the above result,
We are given that The Sound Intensity Level (Li) of a single dog is Li = 98 dB.
To get the required value of the intensity, we state the formula for sound intensity:
Level of Intensity (Li) = 10Log₁₀ β/I₀
Where
β = Sound intensity and
I₀ = Reference Intensity (or standard intensity value) which is given as 10⁻¹².
Note that in measuring sound intensity, there are various reference points. They are given as follows:
0 dB, I = 1×10⁻¹² ⇒ Threshold of human hearing
10 dB, I = 1×10⁻¹¹ ⇒ Rustle of leaves
60 dB, I = 1×10⁻⁶ ⇒ Normal conversation
100 dB, I = 1×10⁻² ⇒ Loud siren
Since the intensity of both dogs is equal, the resultant sound intensity, therefore:
Li = 10log10 (βᵃ/I₀ + βᵇ/I₀)
Where βᵃ is the sound intensity of the first dog (98db); and
βᵇ is the sound intensity of the second dog. (98db)
Li = 10log (10 98/10⁻¹² + 10 98/10⁻¹²)
Li = 10(Log(10(98/1/1000000000000) + 10(Log(10(98/1/1000000000000)
Li = 10(log(980000000000000+980000000000000))
Li = 10(log(1960000000000000))
Li = (10)(15.292256)
Li = 152.922561
Hence the sound intensity (Li) of the two dogs barking is:
Li \(\approx\) 153db
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Full Question:
A single dog barks at a sound intensity level of β = 98 dB.
Another dog runs up beside the first dog and starts barking at the same sound intensity level. What sound intensity level in dB do you hear from the two dogs barking?
which option exhibits the doppler effect in the electromagnetic radiation it emits? responses stationary objects stationary objects microwave towers microwave towers x rays x rays moving objects
Answers
The options that exhibit the doppler effect in their radiation are:
Moving objects. (Assuming that are sources)Microwave tower.What is the doppler effect?The Doppler effect is a change in the "perception" of a wave due a movement of the receptor with respect to the source of the wave.
So, any moving source will produce Doppler effect, but still sources (like microwave towers) also will produce the Doppler effect when the receiver of the wave moves (suppose that a car or a plane is moving and it is receiving the waves that come from the tower).
Then the correct options are:
Microwave tower.
Moving objects (motion is fundamental for the doppler effect, here I assume that the moving object is a source)
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When you walk across the ground and push on it with your feet...
Group of answer choices
The ground pushes back more strongly than your feet
The ground pushes back on your feet with equal force
There is no effect on the ground
The ground pushes back less strongly than your feet
Answers
Answer:
The ground pushes back on your feet with equal force
Explanation:
When you walk across the ground and push on it with your feet, the ground pushes back on your feet with an equal and opposite force.
This interpretation and knowledge is gotten from Newton's third law of motion.
It states that "action and reaction force are equal and opposite in nature".
The force applied to a body responds with an opposite force in the other direction. Therefore, the reaction force is of equal magnitude but directed in another direction.Answer:
the answer is the second one: the ground pushes back on your feet with equal force
Explanation:
An entertainer pulls a table cloth off a table leaving behind the plates and sliverware undisturbed is an example of
A.
the law of balanced forces
B.
Newton's second law
C.
Newton's third law
D.
Newton's first law
Answers
Answer:
d.) Newton's first law
Explanation:
This is also called the law of inertia, which means that an object in motion will not stop unless a force is acted upon it, and vice versa. Try this out with a piece of paper and a quarter. Pull the paper from under the quarter slightly quick, and the quarter will stay on the table. Hope i helped you.
You are attempting to move a new couch into your house. You apply 200 N of force and
your friend Jake applies 150 N of force in the same direction. The friction of the couch
on the carpet resists the pushing with 100 N of force. There are five forces
Answers
Explanation:
try to write complete question
but
200 Newton + 150 Newton -100 Newton
if you are asking this
A 100 meter dash was held with 20 contestants. The best time was 10.7 seconds, and the worst time was 15.3 seconds. Only the fastest 10 contestants advance to the final race.
Which measure of central tendency should be used to calculate the cutoff time for the final race?
A.
range
B.
mode
C.
median
D.
mean
Answers
The measure of central tendency that should be used to calculate the cutoff time for the final race is the median.
Option C.
What is median?The median is the middle point in a dataset—half of the data points are smaller than the median and half of the data points are larger.
To find the median: Arrange the data points from smallest to largest. If the number of data points is odd, the median is the middle data point in the list.
So from the given data of the 100 meter dash, the measure of central tendency that should be used to calculate the cutoff time for the final race is the median.
The median will help to separate half of the data points that are smaller than the cutoff time and half of the data points are larger than the cutoff time.
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what role does gravity have in the motion of planets around the sun?
Answers
Answer:
The gravity helps the planets stay together near the Sun, without it Earth would be floating away with the planet eventually becoming frozen up, thus the role gravity have in the motion of planets around the sun is by keeping them together.
Explanation:
Hope this helps!
The negative work done is equal to the difference in the......... Electric potential energy Electric flux Electric potential Electric dipole
Answers
Answer:
Electric potential energy
Explanation:
The Electric potential energy of a system is less than that carried out by electrostatic forces during the development of the system (as long as charges are initially cut infinitely).
The change in potential energy between an initial and final configuration is equal to minus the work done by the electrostatic forces.
Formula for conservation of internal kinetic energy (works for elastic collisions) is: ΣKEi=ΣKEf (use 1/2mv^2 for each object in the system) TRUE OR FALSE
Answers
The given statement "Formula for conservation of internal kinetic energy (works for elastic collisions) is: ΣKEi=ΣKEf (use 1/2mv² for each object in the system)" is TRUE because the initial kinetic energy of the system is equal to the final kinetic energy of the system.
What's the formula for conservation of internal kinetic energyThe formula for conservation of internal kinetic energy states that the initial kinetic energy of a system is equal to the final kinetic energy of the same system in an elastic collision.
This formula can be expressed as ΣKEi=ΣKEf, where ΣKEi is the sum of the initial kinetic energy of all objects in the system, and ΣKEf is the sum of the final kinetic energy of all objects in the system.
In this formula, the mass and velocity of each object in the system are taken into account using the formula 1/2mv² for kinetic energy.
It is important to note that this formula only works for elastic collisions, where there is no loss of kinetic energy due to friction or other forces.
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Determine the amount of heat that would need to be removed to freeze the liquid in the previous problem (assuming the liquid is at its freezing temperature). Determine the amount of heat that would need to be added to boil the liquid in the previous problem (assuming the liquid is at its boiling temperature). Given: Lf = 2. 9 cal/g; Lv = 13 cal/g
Answers
To freeze the liquid, the amount of heat that needs to be removed is determined by multiplying the mass of the liquid by the heat of fusion (Lf).
To boil the liquid, the amount of heat that needs to be added is determined by multiplying the mass of the liquid by the heat of vaporization (Lv).
The amount of heat required to freeze or boil a substance can be calculated using the formulas Q = m * Lf and Q = m * Lv, respectively. In these formulas, Q represents the amount of heat, m represents the mass of the substance, Lf represents the heat of fusion, and Lv represents the heat of vaporization. By substituting the given values of Lf and Lv, and knowing the mass of the liquid, one can calculate the required amount of heat for freezing or boiling the liquid.
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"I could feel his anguish" what could be the anguish
Answers
Answer:
yeah
Explanation:
the answer is right.
what is ionisation?
Answers
Answer: Ionisation is the process of an atom gets a negative or a positive charge by gaining or losing electrons. The result is an ion.
Explanation: Thats why
PLEASE HELP NOW!!
A ball is thrown horizontally at 11.5 m/s from the top of a hill 45.2 m high. How far from the
base of the cliff does the ball hit the ground?
Answers
The ball will hit the ground 54.4 meters from the base of the cliff. This can be determined using the equation for the horizontal range of a projectile, which is x = vx*t. In this case, vx is 11.5 m/s, and t is the time it takes for the ball to reach the ground. This time can be determined using the equation for the vertical range of a projectile, which is y = vyo*t + 0.5*g*t^2. In this case, vyo is 0 m/s (since the ball is thrown horizontally), g is 9.81 m/s^2, and y is 45.2 m (the height of the cliff). Solving for t gives us 3.86 seconds. Plugging this value into the equation for the horizontal range gives us x = 54.4 m.
2. Essential Question - What is the smallest particle of sugar (glucose - C6 H12 O6) that is still sugar? Element or Molecule and explain why
PLeasseee help me!!
Answers
Answer:
Molecule
Explanation:
A molecule is the smallest particle of sugar (glucose - C6H12O6) or any other substance because a molecule possess all properties of that particular substance.
Molecules are responsible for all the chemical and physical properties of a substance, so molecules decided the properties of sugar as well. If the molecule will be broken, it will lose its properties. Sugar is composed of molecules that include 6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen.
Hence, the correct answer is "Molecule".
According to the periodic table, how many electrons does gallium (#31) have in its valence level?
Answers
Answer:
Three valence electrons
A charge of 3.877 nC is moved from a position on the y axis of 8.856 cm to a position on the x axis of 1.619 cm while there is a charge 21.524 nC located at the origin. How much work in micro-Joules did it take to move the charge?
Answers
Answer:
sa64
Explanation:
What is the relationship between distance and sound wave return time?
Answers
A circuit with a battery, a 3 Ω resistor, and a 15 Ω resistor, in parallel. The total current is the system is 3.0 A. What is the voltage of the battery?
Answers
Given data:
* The current through the system is I = 3 A.
* The resistance of resistors connected in parallel is,
\(\begin{gathered} R_1=3\text{ ohm} \\ R_2=15\text{ ohm} \end{gathered}\)Solution:
The equivalent resistance of the system is,
\(\frac{1}{R_{eq}}=\frac{1}{R_1}+\frac{1}{R_2}\)Substituting the known values,
\(\begin{gathered} \frac{1}{R_{eq}}=\frac{1}{3}+\frac{1}{15} \\ \frac{1}{R_{eq}}=\frac{5+1}{15} \\ \frac{1}{R_{eq}}=\frac{6}{15} \end{gathered}\)By taking inverse value,
\(\begin{gathered} R_{eq}=\frac{15}{4} \\ R_{eq}=3.75\text{ ohm} \end{gathered}\)According to Ohm's law, the voltage across the battery is,
\(V=IR_{eq}\)Substituting the known values,
\(\begin{gathered} V=3\times3.75 \\ V=11.25\text{ volts} \end{gathered}\)Thus, the voltage across the battery is 11.25 volts.
Which type of graph would best show the data collected from measuring time for a ball to fall from varying heights?
bar graph
scatter plot
Frequency table
circle graph
This is due tonight, can someone pls help me ASAP, TYSM.
Answers
3.2.2 Quiz: Energy of Chemical Relons Question 9 of 10 The energy diagram shows the changes in energy during a chemical reaction Which statement best describes the total energy change of the system? Potential energy Reaction progress
Answers
The reactants have a higher potential energy and energy is released.
What is the potential energy graph?The potential energy graph shows a plot of the progress of a reaction. The hump on the graph is the activation energy of the reaction.
The statement that best describes the total energy change of the system is that; reactants have a higher potential energy and energy is released.
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