Answer:
Explanation:
force
One mole of an ideal gas expands isothermally at 270 K from 1 litreto 3. 5 litres. The
temperature is then increased to 300 K at constant volume. Next the gas is compressed
isothermally at 300 K to its initial volume. The gas is then returned to its initial state. Calculate the net work done during this process
The net work done during this process is -992 J. The negative sign indicates that work was done on the system, i.e. the gas lost energy to the surroundings.
W1 = (1 mol)(8.314 J/mol·K)(270 K) ln(3.5 L / 1 L) ≈ 5978 J
Next, the temperature is increased at constant volume, so no work is done:
W2 = 0
Then, the gas is compressed isothermally at 300 K to its initial volume, so we can use the same equation as before to calculate the work done:
W3 = (1 mol)(8.314 J/mol·K)(300 K) ln(1 L / 3.5 L) ≈ -6969 J
Finally, the gas is returned to its initial state, so the work done is:
W4 = 0
Therefore, the net work done is:
Wnet = W1 + W2 + W3 + W4 = 5978 J + 0 J - 6969 J + 0 J = -992 J
work done is defined as the product of force and displacement, where force is the amount of energy required to move an object and displacement is the distance over which the object is moved. Mathematically, work done is expressed as W = F x d, where W is the work done, F is the force applied and d is the displacement.
Work done can be positive, negative, or zero depending on the direction of force and displacement. When the force is in the same direction as displacement, work done is positive, when the force is in the opposite direction to displacement, work done is negative, and when the force and displacement are perpendicular, work done is zero.
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HELP ASAP
Discuss how the government uses tax credits, direct payments, and deficiency payments to
subsidize renewable energy.
For eligible renewable energy technology and projects, a number of tax credits, grants, and loan programmes are offered by the federal government.
Why does the government promote the use of renewable energy sources?Fossil fuels are burned to produce energy, which produces a sizable amount of greenhouse gas emissions that contribute to global warming. Even when taking into account the entire life cycle of the technologies, the majority of renewable energy sources produce negligible to no emissions.
Why are subsidies for renewable energy good?Subsidies have helped reduce dependency on fossil fuels by expanding the use of renewable energy sources. This is crucial for lowering greenhouse gas emissions and preventing an increase in global temperatures.
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What is the mass of an object if it has 420 J of potential energy while suspended by a rope 48 m above the ground?
Answer:
0.89kg
Explanation:
PE=mgh
PE=420 m=? g=9.8m/s^2 h=48
Making m the subject of formula
[tex]m = \frac{pe}{gh} [/tex]
[tex] = \frac{420}{9.8 \times 48} [/tex]
[tex] = \frac{420}{470.4} [/tex]
m=0.89kg
A 23-in. Vertical rod cd is welded to the midpoint c of the 50-in. Rod ab. Determine the moment about ab of the 180-lb force q
The moment about ab of the 180-lb force q is 13,860 lb-in.
How to determine moment?To determine the moment about AB of the 180-lb force Q, we need to find the perpendicular distance between the line of action of the force and point A, and then multiply this distance by the magnitude of the force. This perpendicular distance is called the moment arm.
First, find the coordinates of point C. Since the vertical rod CD is welded to the midpoint C of the rod AB, use the midpoint formula:
x_C = (x_A + x_B)/2
y_C = (y_A + y_B)/2
where (x_A, y_A) and (x_B, y_B) are the coordinates of points A and B, respectively. Plugging in the values:
x_C = (0 + 50)/2 = 25 in.
y_C = (0 + 23)/2 = 11.5 in.
So point C has coordinates (25, 11.5).
Next, find the moment arm. To do this, draw a line through point C perpendicular to AB, and extend it until it intersects the line of action of the force Q. Call the point of intersection point D. Use similar triangles to find the distance from A to D.
The triangle ACD is similar to triangle ABC, since CD is perpendicular to AB and AC is the altitude to AB. Thus:
AC/AB = CD/BC
Solving for BC:
BC = (AB)(CD)/AC = (50 in.)(23 in.)/(11.5 in.) = 100 in.
Therefore, the distance from A to D is 100 - 23 = 77 in.
Finally, calculate the moment about AB by multiplying the magnitude of the force by the moment arm:
M_AB = Qd = (180 lb)(77 in.) = 13860 lb-in.
Therefore, the moment about AB of the 180-lb force Q is 13,860 lb-in.
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A University of Rochester student decided to depart from Earth after his graduation to find work on Mars. Before building a shuttle, he conducted careful calculations. A model for the velocity of the shuttle, from liftoff at t=0 s until the solid rocket boosters were jettisoned at t = 46 s, is given
by
v(t) = 0.001832667³0.082592 +34.52t - 5.65
Using the model, estimate (in feet per second)
The absolute maximum value ____
The absolute minimum value ____
Using the model, the absolute maximum value of acceleration is 21.698 m/s² and the absolute minimum value of acceleration is 14.597 m/s² between liftoff and the jettisoning of the solid rocket boosters.
What are solid rocket boosters?Solid rocket boosters (SRBs) are large rocket engines used to provide the majority of the thrust required for a spacecraft during its initial launch phase. They are called “solid” because they contain solid propellant, that burns at a controlled rate to produce thrust.
In the given problem:
We know,
v(t)=0.001500000t³-0.08t²+16.02t-2.37
Acceleration will be derivative of velocity
Hence, a=dv/dt=0.0045t2-0.16t+16.02
at t=0,a=16.02 m/s²
Now the maximum acceleration will be at endpoint i.e., t=57.5s
so at t=57.5 s, a=21.698 m/s²
For minimum acceleration, a'(t)= 0.009t-0.16<0
t<17.77
Minimum acceleration will be at t=17.77 s, a(t)=14.597 m/s²
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The question is incomplete, but most probably the complete question is,
A University of Rochester student decided to depart from Earth after his graduation to find work on Mars. Before building a shuttle, he conducted careful calculations. A model for the velocity of the shuttle, from liftoff at t = 0 s until the solid rocket boosters were jettisoned at t = 57.5 s, is given by (in feet per second). Using this model, estimate:
the absolute maximum value = ??
and absolute minimum value - ??
of the ACCELERATION of the shuttle between liftoff and the jettisoning of the boosters.
What is the net force on a 4000kg car that doubles its velocity from 15m/s west to 30m/s west over ten seconds
Answer:
30,000kg m/s²
Explanation:
Force=mass ×acceleration
Acceleration = Change in Velocity /time
Acceleration =V2-V1/T
Acceleration= 30-15/2
Acceleration =15/2
=7.5m/s²
Force = 4000kg × 7.5m/s²
=30,000kgm/s²
You can also place the answer in Newton (N)
Why do ionizing smoke detectors contain an isotope that undergoes alpha decay rather than beta or gamma decay?
Ionizing smoke detectors contain an isotope that undergoes alpha decay (such as americium-241) because alpha particles are more ionizing than beta or gamma particles.
What is Isotopes?
Isotopes are variants of an element that have the same number of protons in their atomic nuclei but differ in the number of neutrons. This means that isotopes of the same element have the same atomic number (which determines the element's chemical properties) but different atomic masses.
In an ionizing smoke detector, the alpha particles emitted by the radioactive source ionize the air in the detector's chamber, creating a current that is detected by a circuit. When smoke particles enter the chamber, they attach to the ions and reduce the current, triggering the detector's alarm.
Alpha particles are heavier and have a higher charge than beta or gamma particles, which means they interact more strongly with matter and create more ionization as they travel through air. This makes them more effective at ionizing the air in the detector's chamber, and therefore more sensitive to the presence of smoke particles.
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A capacitor of unknown charged capacitance c is charged to 100v and the connected across an intially uncharged 60micro f capacitor. If the final potenial diffrence across the 60micro-f capacitor is 40v ,determine c
If the final potential difference across the 69micro -f then capacitor is 40Mf
We cannot expect simple energy conservation to hold because energy is presumably dissipated as heat in the connection wires or as radio waves while the charge oscillates during the system "settling down" to its final state (40V across the parallel pair of capacitors C and 60 F).
We anticipate that charge will be conserved. Thus, if Q is the initial charge stored on C and q 1 and q2 are the charges on the parallel pair after "settling down," then -
Q= q1+ q2
C(100V) = C(40V) + 60mf(40V)
C= 40Mf
An electrical component that stores electrical energy in an electric field is known as a capacitor. It is made up of two conductive plates separated by a nonconductive material known as a dielectric.
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Would a flood plain form at point B? Why or why not?
Yes, the point B floodplain shape. Because the flat region next to the river, which continues until it reaches the neighboring sloping terrain, is the goal of producing flood fields.
These fields are often level areas of land close to rivers, which allows for easy flooding during rainy seasons. Flood damage is lessened by the comparatively low elevation of the flat ground. By establishing floodplains, we can lessen the likelihood of flooding and the devastation it causes.
A productive agricultural field that may be utilized to generate food and other resources, the level terrain also offers the perfect environment for growing crops.
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The question is -
Would a floodplain form at point B? Why or why not?
0.025 kg of water is fired from a water pistol with a speed of 230 m/s.
If the water pistol has a mass of 0.9 kg, what is the recoil speed of the
water pistol?
Show Your Work
The recoil speed of the water pistol, given that the mass of the water pistol is 0.9 Kg is -6.39 m/s
How do i determine the recoil speed of the water pistol?The following data were obtained from the question:
Mass of water (m₁) = 0.025 KgSpeed of water (v₁) = 230 m/sMass of water pistol (m₂) = 0.9 KgRecoil speed of water pistol (v₂) = ?The recoil speed of the water pistol can be obtained as illustrated below:
m₁v₁ = -m₂v₂
(0.025 × 230) = -(0.9 × v₂)
5.75 = -0.9v₂
Divide both sides by -0.9
v₂ = 5.75 / -0.9
v₂ = -6.39 m/s
Thus, we can conclude that the recoil speed is -6.39 m/s
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A 4357-kg roller coaster car starts from rest at the top of a 36.5-m high track. Determine the speed of the car at the top of a loop that is 10.8 m high.
Answer:17.24 m/s
Explanation:
1 > Explain why scientists cannot watch the complete process of a star and planets forming. J
Scientists cannot watch the complete process of a star and planets forming due to dust
Basically, formation of a star takes place after the accumulation of gas and dust. which gets collapsed due to gravitation. This whole process takes millions of years until a star is formed and starts to shine like a sun. Moreover, the leftovers of from the formed star creates planets. In the whole process of formation of stars and planets the dust makes visible light difficult to see with help of our radio telescopes. Although it is possible for us observe formation of stars by radio waves.
Hence, due to dust and leftovers of stars scientists finds it difficult to see the formation of stars and planets.
Scientists use telescopes and simulations to study the formation of stars and planets because to their long time scales, distant locations, and dense dust and gas in molecular clouds.
Scientists cannot directly watch the full formation of a star and planet since these activities take place over extraordinarily long periods of time and often in faraway and opaque parts of space. In enormous molecular clouds, dense dust and gas block most electromagnetic radiation, including visible light, allowing stars and planets to form.
Time Scales: Scientists can't directly monitor every stage of star and planet formation because it takes millions of years.
Distance: Many of these creation events occur in faraway areas of our galaxy or other galaxies. With current technology, these processes are hard to see.
Obstructions: Thick clouds of dust and gas surround the regions where stars and planets develop, making it difficult for visible light and other electromagnetic waves to penetrate and provide clear observations.
Early Stages: These dense clouds hide the first collapse of material that forms protostars and protoplanetary discs.
Despite these constraints, scientists study these phenomena with infrared, radio, and X-ray telescopes. These approaches let astronomers to see infrared emissions from young stars and protoplanetary discs through dust clouds, indicating their origin. Scientists combine observations with theoretical knowledge to study star and planet formation using computer simulations and models.
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The planet Jupiter of mass 2x10 kg revolves around the sun of mass 2x10
kg in a circular orbit of radius 7. 8x10 m; calculate the gravitational force between
them and the orbital speed of Jupiter
The gravitational force between them and the orbital speed of Jupiter is 4.385×10^23 N and 13.081 km/s.
Mass of Jupiter, m = 2 × 10^27 kg
Mass of Sun, M = 2 × 10^30 kg
the radius of Jupiter's orbit, R = 7.8 × 10^11 m
=> distance b/w Sun and Jupiter = radius of the Jupiter's orbit = R
Gravitational force b/w them = GMm/(R^2)
= (6.67 × 10^-11)×(2 × 10^30)×( 2 × 10^27) / (7.8 × 10^11)^2
= 4.385×10^23 N
since, centripetal force = centrifugal force
=> F = GMm/(R^2) = (mv^2)/R
=> v = √(GM/R) = 13.081 km/s
Gravitational force is a fundamental force in physics that governs the interactions between massive objects. According to Newton's law of gravitation, every object in the universe exerts a gravitational force on every other object, with the strength of the force proportional to the product of their masses and inversely proportional to the square of the distance between them.
The gravitational force between two objects causes them to attract each other, with the direction of the force being along the line connecting the centers of the objects. The gravitational force is always attractive and never repulsive, and it is responsible for many phenomena in the universe, from the orbits of planets around the Sun to the motion of stars within galaxies.
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Complete Question:
The planet Jupiter of mass 2 x 1027Kg revolves around the sun of mass 2 x 10"kg in a circular orbit of radius 7.8 x 10''m. Calculate the gravitational force between them and the orbital speed of Jupiter.
Work is the quantity of _____. used to move an object.
Answer:
energy
Explanation:
Work is the quantity of energy. used to move an object.
A person who weighs 50 N climbs 100 stairs up. Each stair is 0.2 m high. The work done is
Answer:
Explanation:
Given that ,
A man who weights is 50N climbs up 100 steps of a stair
each step is 0.2m high
mg=50N
Height at 100 steps , h=100×0.2=50 m
Change in potential energy , =mgh=50×50=2500 J
So, Work done by the man , W=2500 J
Please need help asap
Answer:
The answer is definitely A
An object starts out with a momentum of 5 kg·m/s. After a collision, it has a momentum of 25 kg·m/s in the same direction.
Which of the following parameters are consistent with the indicated change in momentum?
The parameter that is consistent with the indicated change in momentum is:
The velocity of the object increased from 1 m/s to 5 m/s.How to determine which of the following parameters are consistent with the indicated change in momentum ?First we can use the principle of conservation of momentum to determine which of the following parameters are consistent with the indicated change in momentum:
p = m * v
Where
p is the momentum m is the mass of the objectv is the velocityIf the momentum of the object increases from 5 kg·m/s to 25 kg·m/s in the same direction, then we can conclude that:
The mass of the object must have remained constant.The velocity of the object must have increased by a factor of 5.Therefore, the parameter that is consistent with the indicated change in momentum is:
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What is the problem with changing the force in the rubber band and the mass of the tub at the same time?
Changing the force in the rubber band and the mass of the tub at the same time can make it difficult to determine the effect of each variable on the motion of the tub.
What leads to changing forces?Changes in the mass of an object: If the mass of an object changes, the force required to move it will also change accordingly. This is due to the fact that force is directly proportional to mass.
Changes in the speed or velocity of an object: This is because the kinetic energy of the object increases with an increase in speed, which requires more force to be applied to maintain the same rate of acceleration.
This is because the change in one variable may mask the effect of the other variable. Therefore, it is best to change only one variable at a time and keep all other variables constant in order to accurately observe and measure the effect of each variable on the system.
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2. Where a river flows from an area of hard rock to an area of soft rock, the softer rock may wear away, eventually forming a drop called a(n) __.
A. Oxbow lake
B. Waterfall
C. Gully
D. Delta
Where a river flows from an area of hard rock to an area of soft rock, the softer rock may wear away, eventually forming a drop called a waterfall. Thus, the correct option is B.
What is a Waterfall?A waterfall is a river or other body of the water's steep which fall over a rocky ledge into a plunge pool below. Waterfalls are usually also called as cascades. The process of erosion, the wearing away of the earth, plays an important part in the formation of waterfalls in the world.
Waterfalls are generally created when the riverbed changes suddenly from the hard rock to soft rock. Rapids are formed where a fast-flowing river quickly cuts downwards through the waterbed of hard and soft rocks, eroding the soft rock and leaving the hard rocks which are standing above the water surface.
Where a river flows from an area of harder rock to an area of the softer rock, the softer rock may wear away, and it eventually results into the formation of a drop called a waterfall.
Therefore, the correct option is B.
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you push a food tray 1.5m along a cafeteria table with a constant force of 18 N. how much work do you do ?
Answer:
27J
Explanation:
Work done =force×distance
Therefore
Work done =18×1.5
Work done =27J
Imagine two like charges in close contact. If one of the charges becomes oppositely charged, what happens to the electrostatic force?
The force becomes attractive
The force becomes repulsive
The force increase
The force decreases
The electrostatic force between the two charges will decrease in magnitude and become attractive.
What is Electrostatic Force?
Electrostatic force, also known as Coulombic force or Coulomb's law, is the force that exists between electrically charged particles, such as protons and electrons. The force is exerted by one charged particle on another and can be attractive or repulsive, depending on the types of charges involved.
The magnitude of the electrostatic force is directly proportional to the product of the charges on the particles and inversely proportional to the square of the distance between them. Mathematically, this can be expressed as F = k(q1q2)/r^2, where F is the electrostatic force, q1 and q2 are the charges on the particles, r is the distance between them, and k is the Coulomb constant.
If one of the like charges becomes oppositely charged, the electrostatic force between them will become attractive. .
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Answer question in the photo
The mass of an object on which force is exerted which displaces 8m of distance and changes its velocity from 0 to 7.18 m/s is m=F/3.22.
What is Newton's second law of motion?
Force(F) applied on the body is mass(m) times its acceleration(a).
i.e. F=ma
according to this equation we get acceleration as
a = F ÷ m this equation says that when we apply more force to the body, more acceleration it gets. When more is the mass of the body, greater force is needed to accelerate with same amount to that less mass.
Given,
Initial velocity u = 0 m/s
final velocity v= 7.18 m/s
Distance s = 8m
According to equation of kinematics,
v²=u²+2as
7.18²=2×8×a
a= 3.22 m/s²
F = ma
F= 3.22×m
m=F÷3.22
if force is given, we can calculate exact mass of an object.
Hence mass of an object is m=F/3.22.
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A group of students investigated the relationship between the period of oscillation for a pendulum and the amplitude of the oscillation. Using a lightweight string that was 70.0 cm long and a mass of 1 kg, this group collected and calculated the data shown in the table below.
Amplitude (degrees) Period (s)
10 1.66
10 1.70
10 1.71
10 1.68
10 1.72
35 1.75
35 1.71
35 1.75
35 1.76
35 1.69
Using this information, answer the following questions.
What is the average period of the trials that were conducted with an amplitude of 10 degrees?Answer is units of seconds
What is the average period of the trials that were conducted with an amplitude of 35 degrees?Answer is units of seconds
What would you expect the period to be, based on the relationship given in equation L7.3 of the Experiment 7 handout? Answer is units of seconds
Using this information provided between the relationship between the period of oscillation for a pendulum and the amplitude of the oscillation, the solutions of the given problems are provided below.
What is a pendulum?A body hanging from a fixed point such that it may move back and forth while being pulled by gravity is called a pendulum.
The average period of the trials that were conducted with an amplitude of 10 degrees can be calculated by adding up the period values and dividing by the number of trials:
(1.66 + 1.70 + 1.71 + 1.68 + 1.72) / 5 = 1.69 s (rounded to two decimal places)
The average period of the trials that were conducted with an amplitude of 35 degrees can be calculated similarly:
(1.75 + 1.71 + 1.75 + 1.76 + 1.69) / 5 = 1.73 s (rounded to two decimal places)
Based on the data collected, the average period for an amplitude of 10 degrees is 1.69 s and the average period for an amplitude of 35 degrees is 1.73 s. This suggests that the period does increase with amplitude, consistent with the predicted relationship.
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For the circuit shown in the figure, the current in the 8 resistor is 0.50 A, and all quantities are accurate to 2 significant figures. What is the current in the 2 resistor?
The current through the 2Ω resistor is 9.5A
The terminal voltage is 10.8 V
How to calculatea) The voltage V across 8 Ω resistor is V = I*R = 8*0.5 = 4V
the current through 16Ω resistor is then I = V/R = 4/16 = 0.25 A
the current through 20Ω resistor is then I = current through 8Ω resistor + current through 16Ω resistor = 0.75 A
voltage across 20Ω is V = I*R = 0.75*20 = 15 V
the source voltage is Vs = V8 + V20 = 4+15 = 19 V
therefore the current through 2Ω resistor is
I = V/R = 19/2 = 9.5 A
b) The terminal voltage is
Vterminal = VR = I*R = 0.450*24 = 10.8 V
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If the temperature outside is 273 Kelvin, the temperature in degrees Celsius is 0 degrees Celsius. is this ture or false
Answer: false
Explanation: This is false the tempature of -272 celcius in 1 kelvin.
As of the time our textbook went to press, 118 different elements had been discovered. All of the ones with atomic number over 92 have been made in physics laboratories. When element 119 (one that has not yet been identified) is found, provided it is like the other artificially made elements, it will:
A
have only protons, no neutrons at all
B
soon be used in industry to make new kinds of plastics
C
have one of the smallest nuclei known
D
only remain stable for an extremely small fraction of a second
E
eventually be found in the Sun (with very high quality spectrometers)
Answer:
Option D is the most likely answer: element 119 will only remain stable for an extremely small fraction of a second.
This is because all elements with atomic numbers greater than 92 (i.e., the actinides) are unstable and undergo radioactive decay, with their isotopes having extremely short half-lives. As element 119 would have an atomic number greater than 92, it is highly likely that it too would be unstable and undergo radioactive decay, making it difficult to observe and study.
Option A is not possible, as all elements require neutrons in their nuclei to have stable isotopes. Option B is unlikely, as the properties of element 119 are unknown and it would need to be studied extensively before any industrial applications could be developed. Option C is also unlikely, as elements with large atomic numbers tend to have larger nuclei. Option E is also unlikely, as it is not clear how element 119 could be produced in the Sun, given that it is a highly unstable element.
In a gas experiment, the pressure of the gas is plotted against the reciprocal of the volume of the gas at a constant temperature.
The experiment would have the graph of the Boyle's law. The slope is work (N/m). Option C
What is the graph of Boyles law?Boyle's law is a gas law that describes the relationship between the pressure and volume of a gas at a constant temperature. The law states that the pressure of a gas is inversely proportional to its volume, or P ∝ 1/V, where P is the pressure and V is the volume.
The graph of Boyle's law can be used to predict the behavior of gases under different conditions, such as changes in temperature or the addition of other gases.
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Missing parts;
In a gas experiment, the pressure of the gas is plotted against the reciprocal of the volume of the gas at a constant temperature. the unit of the slope of the resulting curve is
A.
force
B.
force/m
C.
work
D.
force/m
3
E.
energy/m
help!! Sherri is drawing the free body diagram for an object. She says that the object has no net force acting upon it. Which of the following observations would support this statement? (Choose all that apply)
the object that is slowing down.
the object is sitting still
the object that is speeding up
the object is moving with constant velocity
the object that is changing direction.
Answer:
Constant velocity, sitting still
If a body does not have a net force acting upon it, then the object is sitting still or it is moving with constant velocity. Hence, options B and D are correct.
What is a force?A force is an action that modifies or maintains a body's or object's motion. A force is, to put it simply, a push or a pull. An object's speed, direction, and even shape can be altered by forces. Gravitational, electrostatic, and frictional forces are some examples of force.
Thus, when an object has no net force acting upon it, then the object is sitting still or is moving with constant velocity. Hence, options B and D are correct.
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In a series-parallel circuit, you can find the total
resistance of the circuit by calculating the resistance of
each parallel section and then adding the series
resistances to these values to obtain a single
resistance. (This class is about cars )
If you know the total current and voltage across the circuit, then you can find the total resistance using the Ohm's Law, that is : R = V / I.
How is resistance calculated in series-parallel circuit?In a series-parallel circuit, one can find the total resistance of circuit by calculating resistance of each parallel section and then adding reciprocals of these values to obtain total resistance of parallel section. Next, you can add series resistances to this total resistance to obtain single resistance for entire circuit.
In series the total resistance is equal to the sum of the resistors. In parallel, inverse of the total resistance is equal to the the sum of the inverse of each individual resistor.
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Note: The question given on the portal is incomplete. Here is the complete question.
Question: How is resistance calculated in a series-parallel circuit?
I need help with this one.
The correctly written chemical equation that demonstrates the conservation of mass is:
[tex]H_{2} + O_{2} - > H_{2}O[/tex]
What is conservation of mass?The law of conservation of mass is a fundamental principle in chemistry and physics that states that mass cannot be created or destroyed in a chemical reaction or a physical process. In other words, the total mass of the reactants must be equal to the total mass of the products in any chemical reaction. This means that the number of atoms of each element present in the reactants must be equal to the number of atoms of the same elements in the products.
[tex]H_{2} + O_{2} - > H_{2}O[/tex]
This equation shows the reaction between hydrogen gas and oxygen gas to produce water vapor. The equation is balanced, which means that the number of atoms of each element on both sides of the equation is equal, and therefore, the law of conservation of mass is upheld.
The law of conservation of mass is important in chemistry because it allows chemists to predict the outcome of a reaction and to calculate the amount of reactants needed to produce a certain amount of product. It also ensures that the total amount of matter in the universe remains constant, which is a fundamental concept in modern physics.
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