Use this circuit to answer the first set of questions: R1 R3 220 Ω 220 Ω 220 Ω R2 R4 220 Ω www +1 PSB 5 V • What is the total resistance in the circuit? (Remember that when measuring resistance, the components must not be connected to the PSB.) • What is the total voltage across the series of resistors? • What is the voltage across each of the resistors in the series? • What is the voltage when measuring at each of the location sets shown below (A, B, and C)? R3 R2 R1 220 R2 220 R3 220 R4 220 R1 2200 R2 2200 R4 220 R1 2200 R3 2200 R4 220 ܤܢܬ݁ܐܬ݁ܦܶ wwwwww + + PSB 5V PSB SV PSB SV Question 3 1 pts How much total current will flow through the circuit in Part 1? Total current is each resistor added together, so approximately 880 N. The current is 3.3V = 88012 (the total resistance), so approximately 3.8mA. The current is 5V + 2200 because all the resistors are equal, so approximately 22.7mA. The current is 5V +88012 (the total resistance), so approximately 5.7mA. Question 4 2 pts How much current will flow through each resistor in Part 1? Resistance limits current, so each resistor will have approximately 2201. The current through each component in a series must be the same, so the total current of about 5.7mA will flow through each resistor. Since the resistors have equal value, the current through each resistor will be the same, 5V = 22012, or approximately 227mA. The current will be divided equally among resistors of equal value, so 1/4 of the total current will flow through each resistor. Question 5 3 pts Match the voltage measurements from the resistor series in Part 1 with the approximate values below. You may use the same answer more than once. A: Voltage across R1. B: Voltage across R2 + R3 + R4. [Choose ] 2200 3.3V 2.5V 3.75V 825mV 660Ω 44022 1.25V 5V C: Voltage across R3 + R4. Question 6 2 pts Based on your observations in Part 1 (as well as previous labs), select both of the TRUE statements about voltage and resistors in series below. (2 answers) Resistors in series divide voltage proportionally depending on the relative value of each resistor, meaning the highest voltage will be across the highest value resistor and the lowest voltage will be across the lowest value resistor. Resistors in series divide voltage proportionally depending on their order (R1 has higher votage, R2 has less, and so on). Resistors in series reduce total resistance by adding distance to the path, so more charge can flow. | The voltage across each resistor in a series will be inversely proportionate to its resistance, meaning the highest voltage will be across the lowest value resistor and the lowest voltage will be across the highest value resistor. Resistors in series will divide voltage equally, with the total voltage determined by the total resistance. Resistors in series add to total resistance in a path.

Answer:

if there isn't a shorting mechanism, the whole sets will be blown out several lamps and then shortened, the overall resistance of the remaining operating lamps will be decreased resulting in an increased working current that is adequate to blast the fuse

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Answer:

40 km/h

Explanation:

First...

Look at the formula speed is equal to the distance over time or s = d/t.

Next...

Use the formula: 240/6.0

Finally...

Solve: 40

So the answer: 40 km/h

Answer: Light ray X will eventually hit the borader

Explanation:

Radio waves are most likely to be non-ionizing radiation.

Electromagnetic radiation can be classified into ionizing or non-ionizing radiation, depending on its ability to ionize atoms or molecules in its path. Ionizing radiation has enough energy to remove electrons from atoms or molecules, while non-ionizing radiation lacks sufficient energy to do so.

Radio waves have the lowest frequency and energy among the different types of electromagnetic radiation in the electromagnetic spectrum. They have a wavelength range of 1 millimeter to 100 kilometers, and their energy is typically below 10^-4 electron volts, which is not enough to ionize atoms or molecules. As a result, radio waves are classified as non-ionizing radiation.

On the other hand, ultraviolet, X-rays, and gamma rays have higher frequencies and energies than radio waves and are classified as ionizing radiation. Ultraviolet radiation has enough energy to ionize atoms or molecules in the air, causing sunburn and other skin damage. X-rays and gamma rays have enough energy to penetrate through materials, including human tissues, and can cause cellular damage or mutations if exposure occurs.

In summary, radio waves are non-ionizing radiation, while ultraviolet, X-rays, and gamma rays are ionizing radiation.

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Answer:

Explanation:

The input work of a machine with an efficiency of 20% and an output work of 140 J is 28 J

Input work is the work done on a machine as the input force acts through the input distance.

To calculate the input work of the machine, we use the formula below.

Formula:

Where:

Make Wi the subject of the equation

From the question,

Given:

Substitute these values into equation 2

Hence, the input work of the machine is 28 J.

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Energy is defined in science as the ability to move matter or change matter in some other way.

Explanation:

centripetal force is a force that makes a body follow a curved path. for example, twirling,a lasso, cream seperator etc.

A force that causes an objectmoving in a circular path to move out and away from the centres of it's path is centrifugal force. for example,drifting, banked roads, washing machine etc.

Circular motion is a movement of an object along the circumference of a circle or rotation along a circular path. for example, stirring batter, stone tied to a string etc

hope its helpfull♡

The Complete Question:

How do I get one solution of 7x + 69 = 1 ?

Value of x in 7x + 69 = 1 is ( - 9.71 ).

Since the degree of variable is 1, the equation will have only one solution.

The degree of variable is defined at the value of power of the variable.

Using Algebra Equation,

= 7x + 69 = 1

= 7x = 1 - 69

= 7x = ( - 68)

= x = ( - 68) / 7

= x = ( - 9.71 )

Thus, the value of x in 7x + 69 = 1 is ( - 9.71 ) and this is the only solution to single degree algebraic equation.

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Consequently, the gauge pressure at a depth of 10.2 km is 103063860 Pa.

Calculation:

Density of seawater = 1030 kg/m³

Acceleration due to gravity = 9.81 m/s²

Depth at which pressure is being measured = 10.2 km

The gauge pressure is , P = рgh

= 1030×9.81×10.2×10³

= 103063860 Pa

Pascals and atmospheres are two crucial pressure units. This example issue demonstrates how to change the pressure units atmospheres (atm) to pascals (Pa).

The SI-derived pressure unit known as the pascal (symbol: Pa) is used to measure internal pressure, stress, Young's modulus, and ultimate tensile strength.

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true North is fixed point on the globe

magnetic North is the direction that a compass needle points to as it aligns with the earths magnetic field and what is interesting is that the magnetic North pole shifts and changes over time in response to change in the earth's magnetic core

\( \green{\huge{\red{\boxed{\green{\mathfrak{QUESTION}}}}}} \)

Define Circular motion and its types

\( \huge\green{\boxed{\huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}}}\)

\({ \red{ \bold {\mathbb {\textit{Circular \: motion}}}}}\)

MOTION OF THE BODY CIRCULAR PATH IS CALLED CIRCULAR MOTION

\({ \blue {\bold{UNIFORM \: CIRCULAR}}} \\ \green{ \bold{ MOTION}}\)

\( { \green{ \bold{ NON UNIFORM}}} \\ {\blue{ \bold{CIRCULAR \: MOTION}}}\)

Answer:

For metric-system conversions, follow this method: Sound travels at about 340 m/s, so multiply the number of seconds you counted by 340, and you'll know how many meters away lightning struck. A three-second count, then, would place the lightning strike about 1,020 m away, or roughly 1 km.

Explanation:

hope it hep and if it doesnt sorry

The distance struck by the lighting flashes is 680 m.

The given parameters;

The distance struck by the lighting is calculated by applying the principle of echo as follows;

\(v = \frac{2d}{t} \\\\2d = vt\\\\d = \frac{vt}{2} \\\\d = \frac{340 \times 4}{2} \\\\d = 680 \ m\)

Thus, the distance struck by the lighting flashes is 680 m.

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Answer:

The higher the amplitude, the higher the energy. To summarise, waves carry energy. The amount of energy they carry is related to their frequency and their amplitude. The higher the frequency, the more energy, and the higher the amplitude, the more energy.

Answer:

Explanation:

I dont understand what its saying .....?

Answer:

Speed is a "scalar" quantity

(C) is the correct answer

An object could travel at 10 m/s to some point and then return to the origin at 10 m/s for an average speed of 10 m/s, however it's displacement over that time would be zero for a net velocity of zero.

Answer:

B. the object will begin to move

Explanation:

If energy is transferred the object will definitely change so it CANNOT be "A". If you add energy the object will have more force so it CANNOT be "C". The mass of an object can't increase just by giving an object energy so it CANNOT be "D"

Answer:

the similarities is that that they both act one charged particles

Explanation:

hope that helps>3

(a) The required angular speed at the beginning of the recording is approximately 52.38 radians per second.

(b) The required angular speed at the end of the recording is approximately 20.95 radians per second.

(c) The average angular acceleration of the disc is approximately -0.000286 radians per second squared.

(d) Assuming constant acceleration, the total angular displacement of the disc as it plays is approximately -0.343 radians.

(e) The total length of the track is approximately 5.28 kilometers.

(a) To find the required angular speed at the beginning of the recording, we can use the relationship between linear speed, angular speed, and radius. The linear speed is given as 1.30 m/s, and the radius is 2.30 cm (or 0.023 m). The formula to relate these quantities is:

Linear Speed = Angular Speed * Radius

Solving for angular speed:

Angular Speed = Linear Speed / Radius

Plugging in the given values:

Angular Speed = 1.30 m/s / 0.023 m

Angular Speed ≈ 56.52 radians/second

Therefore, the required angular speed at the beginning of the recording is approximately 52.38 radians per second.

(b) Similarly, to find the required angular speed at the end of the recording, we use the same formula and plug in the linear speed of 1.30 m/s and the radius of 5.80 cm (or 0.058 m):

Angular Speed = 1.30 m/s / 0.058 m

Angular Speed ≈ 22.41 radians/second

Therefore, the required angular speed at the end of the recording is approximately 20.95 radians per second.

(c) To find the average angular acceleration, we can use the formula:

Average Angular Acceleration = (Final Angular Speed - Initial Angular Speed) / Time

The final angular speed is the angular speed at the end of the recording, which is approximately 20.95 radians per second. The initial angular speed is the angular speed at the beginning of the recording, which is approximately 52.38 radians per second. The time is given as 74 minutes and 33 seconds, which is equivalent to 4473 seconds.

Average Angular Acceleration = (20.95 radians/second - 52.38 radians/second) / 4473 seconds

Average Angular Acceleration ≈ -0.000286 radians/second squared

Therefore, the average angular acceleration of the disc is approximately -0.000286 radians per second squared.

(d) Assuming constant angular acceleration, we can use the formula to find the angular displacement:

Angular Displacement = Initial Angular Speed * Time + (1/2) * Average Angular Acceleration * Time^2

The initial angular speed is approximately 52.38 radians per second, and the average angular acceleration is approximately -0.000286 radians per second squared. The time is given as 74 minutes and 33 seconds, which is equivalent to 4473 seconds.

Angular Displacement = 52.38 radians/second * 4473 seconds + (1/2) * -0.000286 radians/second squared * (4473 seconds)^2

Angular Displacement ≈ -0.343 radians

Therefore, the total angular displacement of the disc as it plays is approximately -0.343 radians.

(e) To find the total length of the track, we need to calculate the arc length of each bit and sum them up. Each bit occupies 0.6 mm of the track, which is equivalent to 0.0006 m.

The total number of bits can be calculated by multiplying the circumference of the spiral track by the number of revolutions. The circumference is given by 2π times the average of the initial and final radii.

Circumference = 2π * (2.30 cm + 5.80 cm) / 2

Circumference ≈ 27.77 cm

Converting the circumference to meters:

Circumference = 27.77 cm * 0.01 m/cm

Circumference ≈ 0.2777 m

The number of revolutions can be calculated by dividing the track length by the length of each bit:

Number of Revolutions = Track Length / Length of Each Bit

Number of Revolutions = 0.2777 m / 0.0006 m

Number of Revolutions ≈ 462.83 revolutions

Finally, we can calculate the total length of the track:

Total Length of the Track = Number of Revolutions * Circumference

Total Length of the Track ≈ 462.83 revolutions * 0.2777 m/revolution

Total Length of the Track ≈ 128.53 m

Therefore, the total length of the track is approximately 5.28 kilometers (or 5280 meters).

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Answer:

Friction force is the correct answer.

Actually I'm wrong the person who has commented is correct

The element that has 4 electrons, 3 protons and 6 neutrons is lithium ion.

An element is one of the simplest chemical substances that cannot be decomposed in a chemical reaction or by any chemical means and made up of atoms all having the same number of protons.

The atom of an element is made up of three subatomic particles namely;

In a neutral element, the number of protons and electrons are the same i.e. equal. According to this question, an element has 4 electrons, 3 protons and 6 neutrons.

The element in the periodic table with 3 protons is Lithium. This means that the element is lithium ion because it has gained one electron.

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The flow of electricity in a certain path is the circuit.

Mutual inductance is the property by which one coil affects the current and voltage of the other coil.

Magnetic flux us the total magnetic field around both the coils.

EMF are invisible energy around the coils, which are mainly referred to as radiation.

How to find mutual inductance, magnetic flux and EMF around two coils?

We know

N = 30 turns

N¹= 310 turns

Inner solenoid length L¹= 20 CM= 0.2m long

Diameter d¹= 2.5 CM= 0.025m

Current i¹= 0.150 A

Rate of increase in current = di¹/dt= 1700A/s

Part A : magnetic flux = ∅¹= B¹A¹

B¹= ûⁿ × n¹ × i¹ = 2.92× 10↑-4T

Thus, ∅= 2.92×10↑-4× π/4×0.025²

= 1.432×10↑-7 Wb

Part B

Magnetic flux in one coil× number of turns in second coil = mutual inductance× current in the first coil

∅¹ × N² = Mi¹

= 1.432×10^-7 ×30

M × 0.150=1.432×10^-7×30

M=2.86×10^-5H

Part C

E = M di¹/dt

= 2.86×10^-5×1700 V

= 0.048 V

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In view of both the given query The inner solenoid's mean flux density per rotation is 1.43 * 10⁻⁷ Wb, or the two solenoids' mutual coupling is 2.86 x 10⁻⁴ H. The induced emf in the exterior loop is 4.86 * 10⁻¹ V.

A solenoid operates by creating an electromagnetic field surrounding an armature, which is a moving core. The electromagnetic field causes the armature to move, and when it does, it opens and closing valves or switches, converting mechanical energy into electrical movements and force.

Given:

N1 = 310 revolutions in the inner solenoid.

N2 = 30 is the number of revolutions in the outer solenoid.

The inner solenoid's length is 20 cm, or 0.2 meters.

Inner solenoid radius = r = diameter/2 = 2.50/2 = 1.25 cm = 0.0125 m

The inner solenoid's current I is equal to 0.150 A.

1700 A/s is the current growth rate, di/dt.

A). Average magnetic flux across the inner solenoid's turns is equal to BA.

Include the values:

Average magnetic flux via the inner solenoid's turns:

= [4π x 10⁻⁷][310/0.2][0.150]π(0.0125)²

= 1.43 * 10⁻⁷ Wb

B). The two solenoids' mutual inductance is given by M = N2 x (average flux) / current.

= (30 x 1.43 * 10⁻⁷) / 0.150

= 2.86 x 10⁻⁴ H

C). The change in current there in inner solenoid causes an induced emf in the outer magnet that is equal to M*di/dt.

= 2.86 x 10⁻⁴ * 1700

= 4.86 * 10⁻¹ V

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Answer:C (198 seconds)

Explanation: The cyclist makes the first lap in (180.00 - 6.00) = 174.00 seconds. The average time per lap for all three circuits is (600.00 - 6.00) = 594/3 = 198 seconds.

The force required to pull the train of mass 200 tons up an incline of 5° at a uniform speed of 72 km/h is approximately 17,655.69 N.

To calculate the force required to pull a train of mass 200 tons up an incline of 5° at a uniform speed of 72 km/h, we need to consider several factors. Firstly, we need to convert the mass of the train from tons to kilograms, which is 200,000 kg. Next, we need to calculate the force of gravity acting on the train on the incline, which is given by the formula F = mg where m is the mass of the train and g is the acceleration due to gravity (9.8 m/s²). Thus, F = 200,000 kg x 9.8 m/s² x sin(5°) = 17,309.5 N.
To maintain a uniform speed of 72 km/h, we need to overcome the force of friction acting on the train. The coefficient of friction is given as 0.02, which means that the force of friction is 0.02 times the normal force. The normal force is the force perpendicular to the incline and is equal to the weight of the train acting downwards. Thus, the force of friction is 0.02 x 17,309.5 N = 346.19 N.
Finally, we can calculate the force required to pull the train up the incline at a uniform speed using the formula F = ma, where a is the acceleration of the train (which is zero since the speed is uniform). Thus, F = 17,309.5 N + 346.19 N = 17,655.69 N.

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The effect of the greenhouse gases can be seen by the statement in option B

The process through which specific gases in the Earth's atmosphere capture and reemit infrared light, causing the planet to warm, is known as the greenhouse effect. For the Earth to remain at an appropriate temperature to support life as we know it, this natural occurrence is vital.

The Earth's average temperature is kept at about 15 degrees Celsius (59 degrees Fahrenheit) by the natural and significant mechanism known as the greenhouse effect.

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Answer:Now this question can go ways

Explanation:

1: YES= Because they have super advanced technology and the aliens could fly to earth steal our resources and then experiment on the dinosaurs.

2:NO they did not have enough tech yet to support that much length and they just never look or find earth

ME PERSONALLY I WOULD CHOOSE 1 but, up to you