A student constructs four electric circuits.
Each circuit includes two bulbs and an ammeter.
All the bulbs, all the cells and all the ammeters are identical.
The ammeter readings for the first two circuits are shown.
Use values from the box to complete the ammeter readings for the other two circuits.

A Student Constructs Four Electric Circuits.Each Circuit Includes Two Bulbs And An Ammeter.All The Bulbs,

Answers

Answer 1

Answer:

Part A

The ammeter reading for the current flowing through the second bulb, in the third circuit is 0.43 A

Part  B

The ammeter reading for the total current coming from the cell is 0.86 A

Explanation:

The given electric circuit schematics includes;

The number of bulbs in each circuit = 2 bulbs

The number of ammeter in each circuit = 1 ammeter

The number of cells in each circuit = 1

Each circuit have identical bulbs, cells and ammeters

Part A

Ammeter reading for the third circuit

The given reading for the total current going to the cell, [tex]I_T[/tex] = 0.86 A

The reading for the current flowing through one of the bulbs, I₁ = 0.43 A

Therefore, given that the bulbs are arranged in parallel, and the bulbs have identical resistance, 'R', the current flowing in the second bulb, I₂, is given by the current divider rule as follows;

[tex]I_2 = \dfrac{R}{R + R} \times I_T = \dfrac{R}{2 \cdot R} \times I_T = \dfrac{1}{2} \times I_T[/tex]

∴ The ammeter reading for the current flowing through the second bulb, in the third circuit I₂ = (1/2) × (0.86 A) = 0.43 A

Part B

Ammeter reading for the third circuit

The total current coming from the cell = The current passing through the bulbs = I₁ + I₂

The ammeter reading for the total current coming from the cell = 0.43 A + 0.43 A = 0.86 A = [tex]I_T[/tex]


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The balance of the equation 2Br2 + CaCO3 + H2O = CaBr2 + CO2 + 2HBrO is ensured by the equal distribution of each element between the reactants and the products.

Bromination can take place in a number of ways, depending on the reactant. A saturated molecule is bromine using the free radical technique. An unsaturated hydrocarbon undergoes bromination through an addition mechanism. An aromatic compound is bromined by an electrophilic substitution procedure.

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What is the ionic compound for MgBr2?

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The ionic compound for [tex]MgBr_2[/tex] magnesium.

Magnesium bromide is the chemical compound known as [tex]MgBr_2[/tex].

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How is the rule for the interaction between magnetic poles similar to the rule for the interaction between electrically charged particles?

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Why do people use sonar under water?

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Due to the fact that sound waves travel further in water than radar and light waves do, sonar, which stands for Sound Navigation and Ranging, is useful for exploring and mapping the ocean.

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Three students observe a toy car rolling across a level floor until it slows to a stop. After the observation, they make these statements: Max: "Energy is conserved, but friction turned it into heat, warming the floor and wheels." Chris: "But it stops. Energy is not conserved. The car's kinetic energy disappeared." Sam: "But energy can't just disappear. It must have become potential energy." Which student was correct?

Answers

Answer:

max

Explanation:

in this case Chris said that the car stops which means that its energy has disappear we know that this is wrong because energy can't just disappear energy can't be destroyed and Sam told that energy can't be the towards so it should have become potential energy in order for a body to be up converted into potential energy we need to change its position in respect to gravity in this case is position is not change in respect to gravity where is Max is correct because due to the production of wastage energy each energy and sound energy is produced due to friction and that's what stop the car

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Just as wavelength and frequency are related to light, they are also related to energy. The shorter the wavelengths and higher the frequency corresponds with greater energy.

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What is the mass of an airplane that is flying at 246 m/s and has a momentum of 1.968 x 107 kg-m/s? Show your work.

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The mass of an airplane is  79878 kg.

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Given that: an airplane is flying at 246 m/s and has a momentum of 1.968 x 10^7 kg-m/s.

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The error in the measurement of the area of the wall is 1.54 x 10⁻³ %.

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Kinetic energy decreases and gravitational potential energy increases when the planet moves from position 1 to position 2, but the total energy in the planet-star system stays constant. Hence, option (C) is correct.

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Thus, the required de-Broglie's wavelength of the particle is 3.313 × 10⁻²¹ m.

The question is incomplete. The complete question is 'If the paramecium has a volume of 2E-13m³ and a density equal that of water, what is the de-Brogile wavelength when in motion?

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a lathe rotating at is used to reduce the diameter of an long section of stock metal rod from a diameter of to at a feed rate of . the force measured at the tool post was down and pulling the tool toward the workpart. what is the specific energy of this material?

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If a lathe turning at a feed rate is used to decrease a long section the stock metal rod's diameter from a diameter of to, the material's specific energy M RR = 109.96 cm3/min.

In hydrology, what is specific energy?

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The proportion of necessary energy (E) towards the volume of removed material is referred to as specific energy (SE) (V). This variable can be used to calculate how much energy is expended on removing material.

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Part A Determine the equivalent capacitance between points a and b for the combination of capacitors shown in (Figure 1). Express your answer in terms of the variables C1, C2, C3, and C4. O AO in O 2 ? Cab = Submit Request Answer

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The equivalent capacitance between points a and b for the combination of capacitors shown in Figure 1 is equal to C1 + C2 + C3 + C4.

The equivalent capacitance between points a and b for the combination of capacitors shown in Figure 1 can be determined by evaluating the capacitances of each individual capacitor and then adding them together. The capacitance of C1 is directly connected between points a and b, so it is simply C1. The capacitance of C2 and C3 are in parallel, so the equivalent capacitance of these two is C2 + C3. Similarly, the capacitance of C4 is in parallel with C2 + C3, so the equivalent capacitance of the combination is C1 + C2 + C3 + C4. Therefore, the equivalent capacitance between points a and b for the combination of capacitors shown in Figure 1 is equal to C1 + C2 + C3 + C4.

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1.24 × 107 kilograms. Write the mass in standard notation.

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The product of 1.24 and 107 kilograms expressed in standard form is 1.3268 x 10² kg.

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A standard form is a form of writing equations, numbers, or expressions using a certain set of rules.

Standard form is a method often used by scientists to express large number into a more condensed form, usually in power of ten.

The product of 1.24 and 107 kilograms expressed in standard form is calculated as;

1.24 x 107 kg = 132.68 kg

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Thus, numbers expressed in standard forms makes it very easy to represent and recall the number.

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An experiment with an a = 0.012 tail when N = 6 & Preal = 0.15 powered  is 1.0000

A scientific experiment where you do a series of actions and carefully track their outcomes to learn new knowledge. The students will conduct basic laboratory experiments. run, do, perform, or carry out an experiment.

Because it provides scientists with a set of well-organized steps to perform in order to reply to questions or assertions about the natural world, experimentation is essential to science. Additionally, experimenting produces vital data and results that help to verify the veracity and dependability of assertions made in an endeavor to fully know the world.

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Which is not a property of covalent solids?
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Covalent solids exhibit low melting points and boiling points. Therefore, option B is correct.

What are covalent compounds?

In a covalent compound, the covalent bond is formed by the mutual sharing of electrons that can hold all molecules together. Shared electron pairs are difficult to give away as nuclei of two elements together share the electrons therefore these types of bonds are stronger.

A covalent network solid can be described as a chemical compound in which the atoms are bonded by covalent bonds in a continuous network. The covalent solids are generally brittle in nature.

The melting points for covalent solids are generally low while high melting points for ionic solids.

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a circus performer is coasting in a small cart at a velocity of 3.5 m/s east. As she coasts, she collided with a small weighted juggling pin that was at rest in the ground.

Answers

The momentum of the performer and cart will decrease.  The momentum of the juggling pin increases. The overall momentum of the entire system will remain the same.

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According to the law of conservation of momentum, the sum of the momentum of a body before and after the collision will be equal.

m₁.u₁ + m₂u₂ = m₁ v₁ + m₂.v₂

where m₁ & m₂ is the mass of objects, u₁ & u₂ are their initial speed while v₁ & v₂ is final speed.

Given the initial velocity of the performer and cart is u₁ = 3.5 m/s

The final velocity of the performer and cart = 3.4 m/s

As the velocity of the performer and cart decreases therefore its momentum will increase.

The juggling pin was at rest initially, but its velocity increased from 0 to 6 m/s. Therefore its momentum increases.

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What causes magnetic stripes to form?

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Answer:

The striped magnetic pattern develops because, as oceanic crust pulls apart, magma rises to the surface at mid-ocean ridges and spills out to create new bands of ocean floor. Later, after the planet’s magnetic field flips again, the next stripe of new ocean floor aligns its polarity.

Explanation:

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When an object is moved from rest at a point A to rest atpoint B in a gravitational field, the net work done by thefield depends on the mass of the object and

1. the velocity of the object as it moves between A andB
2. the positions of A and B
3. both the positions of A and B and the pathtaken between them
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5. the nature of the external force moving the object fromA to B

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When an object is moved from rest at a point A to rest at point B in a gravitational field, the net work done by the field depends on the mass of the object (4) the path taken between A and B only.

The work done depends on the mass, acceleration due to gravitation and height. Hence, the distance between point A and point B affects the net work done by the objects.

Work done = mass X acceleration due to gravity X height

= W = mgh

where,

Mass of the object = m

Acceleration due to gravity = g

Height between the object = h

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if the water pressure at a pump station at sea level is 4,000,000 pa, how high can the water be pumped uphill, and how fast will it flow out of a faucet at a washing station at sea level? group of answer choices 408 m; 45 m/s

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At a washing station at sea level, the water is pushed 408 meters uphill and flows out of a faucet at 45 meters per second.

What is the water pump's pressure?

According to the needs of the application, the discharge water is pressured. The water is pressurized to 3000psi to 5000psi for cleaning applications. They are extremely highly pressurized in the pressure ranges of 30000psi to 50000psi for cutting purposes. Water that must be pushed in a specific length of time is called a flow rate.

How are water pumps operated?

Wastewater or sewage is gathered at a pump station and kept there in a chamber. When the level of collected sewage reaches its maximum, a high-pressure integrated pump is used to lift the sewage through a discharge system. 

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(6) Different colors of light correspond to different: (I) frequencies (II) intensities (III) wavelengths (A) I only (B) Il only (C) Ill only (D) I and IlI (E) all of the above

Answers

Answer:e all of the above

Explanation:

Can somebody answer this

Answers

Answer:

answer is c

Explanation:

....................

Rita is riding a 7.0 kilogram bike at a velocity of 15 meters/second. Rita’s mass is 42 kilograms. What is her momentum?

Answers

Rita's momentum  is 294 kg.m/s.

What is momentum?

The product of a particle's mass and velocity is called momentum. Being a vector quantity, momentum possesses both magnitude and direction. According to Isaac Newton's second equation of motion, the force applied on a particle is equal to the time rate of change of momentum.

Given that Rita is riding a 7.0 kilogram bike at a velocity of 15 meters/second.

Mass of Rita = 42 kg.

Hence, her momentum is = mass × velocity

= 7.0 × 42 kg.m/s

= 294 kg.m/s.

Her momentum  is 294 kg.m/s.

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What does λ mean in the wave equation?

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In physics, the symbol λ (lambda) is used to represent the wavelength of a wave.
What is wave equation?
Wave equation is an equation that describes the behavior of waves, such as sound and light. It is used to analyze wave patterns and their interactions. Wave equations can be used to describe the propagation of waves in different media, such as air, water, and solids. Wave equations are also used to study wave phenomena, including resonance, diffraction, interference, and scattering.
It is typically used in the wave equation, which describes the relationship between the speed, frequency, and wavelength of a wave. λ is usually represented by the Greek letter lambda and is used to calculate the speed of a wave in a medium or vacuum. λ can also be used to calculate the frequency of a wave when the speed and wavelength are known.
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According to the diagram, the approximate abundance of oxygen atoms in the galaxy is __________.
1/10 that of hydrogen
1/100 that of hydrogen
1/1000 that of hydrogen
1/10,000 that of hydrogen

Answers

According to diagram, the approximate abundance of oxygen atoms in the galaxy is 1/1000 that of hydrogen.

If we look along the vertical axis, we find that the point for oxygen lies about halfway between the points  10−4 and 10−2, near to 10−3, which is 0.001 or 1/1000. Therefore, the abundance of oxygen atoms is about 1/1000 that of hydrogen.

The general trend in elemental abundance in our galaxy: There is a general trend of increasing abundance with increasing atomic number. Exceptional rule is that elements with odd atomic numbers tend to be more abundant compared to elements with even atomic numbers. These abundances decrease smoothly from atomic number of 6 to atomic number of 20. These abundances fluctuate randomly.

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a race car completes the final lap of a race on a 2-kilometer circular track. at the start of the lap, it crosses the line at 60 meters/second. it completes the lap 28.57 seconds later, crossing the line at 85 meters/second. calculate the displacement and average acceleration of the car along the track over the course of the final lap.

Answers

The average acceleration is (0.88 m/s2) given that (85 m/s - 60 m/s)/28.57 s.

A. The distance travelled is 0 metres, and the speed is 0.88 metres per second.

B. The distance travelled is 2,000 metres, and the speed is 1.14 metres per second.

C. The distance travelled is 0 metres, and the speed is 70.0 metres per second2.

D. The distance travelled is 2,000 metres, and the speed is 80.0 metres per second.

E. The distance travelled is 0 metres, and the speed is 0.70 metres per second2.

Displacement is a change in position over a predetermined period of time. The displacement is 0 since the initial and final positions are equal.

-

Average acceleration is the result of changing time and velocity. As a result, the average acceleration is (0.88 m/s2) given that (85 m/s - 60 m/s)/28.57 s.

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IM BEGGING IVE LITERALLY LOST HOPE AND I REALLY NEED HELP PROPER ANSWE PLEASEEEE

Complete the values in the table, assuming that all projectiles are launched horizontally and fall
downwards with an acceleration of 9.8 ms 2. Give all your answers to 2 significant figures.
Find the time to reach target and distance fallen

Answers

Time to reach target / s---> B4.1, Distance fallen / m,----> B4.2,

What is the connection between time and acceleration?

The magnitude of the velocity change increases with lengthier acceleration. When acceleration is constant, the change in velocity is directly proportional to time. If velocity grows by a particular amount during a specific period of time, it ought to do so by an equal amount over an equal period of time.

What is the distance-time formula for acceleration?

The equation a = v/t denotes acceleration (a), which is the change in velocity (v) over the change in time (t). This enables you to calculate the change in velocity in meters per second squared (m/s2). ​

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The percent composition by mass of nitrogen in nh4oh (gram-formula mass = 35 grams/mole) is equal to.

Answers

The percent composition by mass of nitrogen in NH[tex]_{4}[/tex]Oh (gram-formula mass = 35 grams/mole) is equal to 40% N.

Meaning of Nitrogen: Nitrogen (N), a nonmetallic element belonging to Periodic Table Group 15. It is a colorless, flavorless, and odorless gas that makes up the majority of the atmosphere on Earth and is a component of all living things.

You must divide the element's atomic mass (AM), which is 14 for nitrogen, by the total compound's molar mass (MM), then multiply the result by 100 to determine the percent composition of an atom by mass. The following is the formula for calculating percent composition.

[tex]=\frac{AMN}{MMNH_{4} OH} *100[/tex]

[tex]=\frac{14}{35} *100[/tex]

[tex]=\frac{1400}{35}[/tex]

[tex]= 40[/tex]

Therefore the percent composition by mass of nitrogen in NH₄OH is

40% N

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How do you solve a volume? Anita is conducting market research for her new invention and is deciding which research collection tool would be ideal for assisting her in this process. Which of the following is NOT a common tool that she may consider using when conducting market research? Jordan bought 3.8 pounds of turkey, 2.2 pounds of cheese, and 3.6 pounds of egg salad for a party. What was the total cost before sales tax? Round your answer to the nearest cen which is a tax-free savings account that can only used for educational expenses? federal grants merit-based scholarships a 529 plan merit-based scholarshipswhich is a tax-free savings account that can only used for educational expenses? federal grants merit-based scholarships a 529 plan merit-based scholarships Construct a venn diagram illustrating the sets below. U = {1,2,3,4,5,6,7,8,9} Y={1,3,4,6,7} Z={1,5,7} 6 Principles of Internal Control activities Assume that a competitive industry producing a normal good is in long-run equilibrium. If average consumer income decreases, which of the following changes will occur?a) Short-run price: increase; short-run industry output: increase; movement of firms: enterb) Short-run price: increase; short-run industry output: decrease; movement of firms: exitc) Short-run price: decrease; short-run industry output: increase; movement of firms: exitd) Short-run price: decrease; short-run industry output: decrease; movement of firms: entere) Short-run price: decrease; short-run industry output: decrease; movement of firms: exit What is communism Commonlit answers? Match each expression on the left with its quotient. Use number sense and estimation to help.5.85 or 36 or 9.4 or 21.540.42 4.3 ( Drag Here )15.48 0.72 ( Drag Here )86.4 2.4 ( Drag Here )50.31 8.6 ( Drag Here ) What are two other names for atherosclerosis? Albert thought of a number, added 5, multiplied the result by 2, took away 6 and then divided by 2 to give an answer of 8. * 05 06 03 What computing appliance blocks and filters unwanted network traffic?" O Firewall O Router O VPN Server Modem If you're driving one and a half miles per minute, slow down by 15 miles per hour, and then reduce your speed by one third, how fast are you going now? * 90 miles per hour 60 miles per hour O 50 miles per hour O 75 miles per hour O 45 miles per hour What subsection of the Internet requires specialized browser to access and is frequently used by cyber criminals and underground subcultures? * Surface Web Deep Web Dark Web O Crypto-Net Identify ONE economic change in the period 1750-1900 that led to the formation of new elites How busy is a stock broker? What was one of the results of the Schenck decision? 1. Select the solution set of the quadratic inequality. What is the slope when x =- 4? What type of account is best for earning interest? What happens to the cardiovascular system during exercise? sort the following protein complexes of the electron transport chain according to whether they are involved in pumping protons across the inner mitochondrial membrane or not. What is the most important aspect to focus on when recording with a microphone?A. HeightB. AngleC. VolumeD. Distance