7. does your experiment present evidence that the charge divides in a parallel circuit? lab 5 ohms law resistors in parallel and sereis

The strength of the magnetic field is approximately 2.8 mT.

The equation is:

Φ = B × A × cos(θ)

You are given the magnetic flux (Φ = 4.7 × \(10^-^5\) \(Tm^2\), the angle (θ = 37°), and the dimensions of the rectangular area (6.2 cm x 7.5 cm). First, we need to calculate the area (A):

A = length × width = 6.2 cm × 7.5 cm = 46.5 \(cm^2\)

= 0.00465 \(m^2\)

Next, rearrange the magnetic flux equation to solve for the magnetic field (B):

B = Φ / (A × cos(θ))

Now, plug in the given values and calculate the magnetic field:

B = (4.7 ×\(10^-^5\) \(Tm^2\)) / (0.00465\(m^2\)× cos(37°)) ≈ 0.00283 T

Finally, convert the magnetic field strength to milli tesla (mT) and express it using two significant figures:

B = 0.00283 T × 1000 mT/T ≈ 2.8 mT

So, the strength of the magnetic field is approximately 2.8 mT.

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The maximum number of 23 pieces a person could eat without exceeding 150 calories.

A calorie can be described as unit of energy. The large calorie, food calorie was originally described as the amount of heat required to raise the temperature of 1 Kg of water by one degree Celsius.

The small calorie was defined as the amount of heat required to cause the same increase in one gram of water.  In physics and chemistry, the calorie usually refers to a small unit of energy. One calorie is equal to exactly 4.184 Joules.

Given, the  234 calories contained in pieces of candy = 36

Then 150 calories contain by pieces of candy = (36/234) ×150 = 23

Therefore, a maximum number of 23 pieces someone could eat without exceeding 150 calories.

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If your new motorcycle weighs 2540 N, the mass of your new motorcycle is 259.18 kg.

To calculate the mass of the motorcycle, we can use the formula:

Weight = mass × acceleration due to gravity

In this case:

Rearranging the formula to solve for mass:

mass = Weight / acceleration due to gravity

Substituting the given values into the formula:

mass = 2540 N / 9.8 m/s²

Calculating the value:

mass ≈ 259.18 kg

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When an electron is accelerated from rest across the gap of a capacitor, it means that it moves from one plate to another. In this case, the two plates are charged with -q and q, respectively.

The electron emerges with a constant velocity of v through a hole in the top plate. The acceleration of the electron can be calculated using the equation: acceleration = change in velocity/time.

The electron is a subatomic particle (denoted by the symbol e or β−) whose electric charge is negative one elementary charge. Electrons belong to the first generation of the lepton particle family and are generally thought to be elementary particles because they have no known components or substructure.

However, without knowing the time it took for the electron to emerge, it is not possible to calculate the exact acceleration.

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Answer:

Your average velocity would be 20 m/s.

Explanation:

hope this helped!

Foundation: Use a deep and sturdy foundation that extends below the frost line and is anchored to bedrock. Consider foundations or caissons, which can better withstand lateral forces during an earthquake.

Structural System: Utilize a seismic-resistant structural system such as reinforced concrete or steel framing with appropriate bracing and cross-bracing configurations. Consider incorporating a moment-resisting frame or a shear wall system, which can provide enhanced lateral stability during seismic events.

Dampers and Isolators: Include seismic dampers or isolators in the structural system to absorb or dissipate seismic energy. These can be installed at various locations, such as between floors or in the foundation, to reduce the impact of seismic forces on the building.

Diaphragms: Strengthen diaphragms, which are horizontal structural elements such as floors and roofs, to improve their resistance to lateral loads during an earthquake. Consider using diaphragms made of materials such as cross-laminated timber (CLT) or steel decking, which can provide additional stiffness and strength.

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Answer:

The amount of energy required is 4.08 J.

Explanation:

Given,m1 = m2 = 0.55-kgR = 14 cm = 0.14 m The distance between the two basketballs d = 1.1 m

Energy required to change the separation between the centers of the basketballs to 1.1 m is given by the formula; E = K1 + K2 - U where K1 = kinetic energy of ball 1K2 = kinetic energy of ball 2U = potential energy

Let's calculate K1,K2, and U: K1 = 0.5 mv²where m = mass of ball v = velocity of ball Initial velocity of ball = 0 m/s Final velocity of ball v = 0.5 m/sK1 = 0.5 × 0.55 × (0.5)²= 0.069 JK2 = 0.5 mv² Initial velocity of ball = 0 m/s .

Final velocity of ball v = - 0.5 m/sK2 = 0.5 × 0.55 × (- 0.5)²= 0.069 J Let's find out the potential energy; U = (kQ1Q2) / d

where Q1 = Q2 = Q d = distance between the centers of two balls U = (kQ²) / d where k = Coulomb's constant = 8.99 × 10⁹ Nm²/C²Q = charge on a ball = 0 (because it is an uncharged object) U = 0.

Therefore, E = K1 + K2 - U= 0.069 + 0.069 - 0= 0.138 J Therefore, the amount of energy required is 4.08 J.

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Explanation:

The acceleration due to gravity on the surface of the asteroid is directly proportional to the mass of the asteroid and inversely proportional to the square of the distance from the center of the asteroid.

Therefore, it varies depending on the asteroid's size, shape, and composition.

Acceleration is the rate of change of velocity over time. A change in velocity, which can be either a change in magnitude or direction or both, results in acceleration.

It is measured in units of meters per second squared (m/s²) or centimeters per second squared (cm/s²).

Gravity is a fundamental force in physics that exists between any two objects in the universe.

The force of gravity pulls all objects with mass toward each other.

Gravity's strength depends on the mass of the two objects and the distance between them.

An asteroid is a small rocky or metallic object in space that orbits the sun. They are usually composed of rock, metal, or a combination of the two.

They vary in size from a few meters to hundreds of kilometers in diameter.

Most asteroids are found in the asteroid belt between Mars and Jupiter, although some are also found in other regions of the solar system.

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11.The time at 75° East longitude would be 1 hour and 20 minutes behind. 12.The time at 135° degrees East longitude would be 4 hours ahead. and 13. the time in Lima, Peru (15° South latitude, 75° West longitude) would also be 9:30 AM.

At 2:00 AM at 90° East longitude, the time at 75° East longitude would be 1 hour and 20 minutes behind. This is because for every 15 degrees of longitude, there is a time difference of approximately 1 hour. Since the two longitudes in question have a difference of 15 degrees, we can divide this by 15 to calculate the time difference.

If it is 8:00 PM at 15° East longitude, the time at 135° East longitude would be 4 hours ahead. Similarly, for every 15 degrees of longitude, there is an approximate time difference of 1 hour. Since the two longitudes in question have a difference of 120 degrees, we can divide this by 15 to calculate the time difference.

There is a 7-hour difference** between 105° West longitude and the Prime Meridian (0° longitude). The Prime Meridian, passing through Greenwich, England, serves as the reference point for determining time zones. As one moves westward from the Prime Meridian, each 15 degrees of longitude corresponds to a time difference of approximately 1 hour. Therefore, the time at 105° West longitude would be 7 hours behind the time at the Prime Meridian.

If it is 9:30 AM in New York (41° North latitude, 75° West longitude), the time in Lima, Peru (15° South latitude, 75° West longitude) would also be 9:30 AM. The latitude does not affect the time difference between the two locations. However, since both locations have the same longitude (75° West), they would experience the same local time. The time difference between different latitudes is primarily significant for determining time zones rather than the actual time within a specific time zone.

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Answer:

.17Hz

Explanation:

The formula for frequency is f= 1/T , where T is the period.

f = 1/6 and 1/6 ≈ .17

Answer:

The charge of a neutron is 0  

The charge of an electron is -1

Explanation:

Answer:

The charge of Neutrons is: 0

The charge of Electrons is: -1

Explanation:

Neutrons are uncharged and Electrons are negatively charged. The negative charge of one electron balances the positive charge of one proton. Both protons and neutrons have a mass of 1, while electrons have almost no mass.

First, find the weight of the object.

W = m g = 900 x 9.8 = 8,820 N

T2x = -t2 cos 20

t1 x = t1cos 40

mgx= 0

T2y= t2 sin 20

t1y= t1 sin 40

mgy= - mg

X and y components of resultant (R)

Rx = t1x -t2x + mgx

Rx= -t2 cos 20 + t1cos 40 (3)

Ry = t2 sin 20 + t1 sin 40 - mg(2)

Rx, and Ry = 0

0 = -t2 cos 20 + t1cos 40 (3)

0= t2 sin 20 + t1 sin 40 - mg (4)

Solve (3)

0 = -t2 cos 20 + t1cos 40

t2 cos 20 = t1 cos 40

t2 = t1 cos40/cos20

t2 = 0.815 t1

Substitute t2 in 4

0 = t2 sin 20 + t1 sin 40 - mg

0 = (0.815 t1) sin 20 + t1 sin 40 - 8,820

0= t1 ( 0.815 sin 20 + sin 40 ) -8820

0 = 0.921 t1 -8820

8820 = .921 t1

t1 = 8820/0.921

t1= 9570.261N (option D)

The cost of operating a 60 W light bulb for 8 hours is 5.76 cents.

To calculate the cost of operating a 60 W light bulb for 8 hours, we need to first convert the wattage to kilowatts and then multiply by the number of hours and the utility charge per kWh.

First, convert 60 W to kW:
60 W / 1000 = 0.06 kW

Next, multiply by the number of hours:
0.06 kW (8 hours) = 0.48 kWh

Finally, multiply by the utility charge per kWh:
0.48 kWh (12 cents/kWh) = 5.76 cents

Therefore, to operate a 60 W light bulb for 8 hours you must spend 5.76 cents.

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Answer:

A centripetal force

Explanation:

The type of force in the given scenario is tension. The correct option is c.

Tension is defined in physics as the pulling force conveyed axially by a string, cable, loop, or similar material, or by every end of a rod, truss member, or similar three-dimensional object.

Tension can also be defined as the action-reaction pair of forces acting at each end of said elements.

Newton's second law states that the tension in the rope must equal the weight of the backed mass.

Tension, the normal force, and friction are all examples of contact forces.

Since the weight is not moving, the acceleration is zero. Even if the acceleration is not zero, this equals zero.

Thus, the correct option is c.

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Your question seems incomplete, the missing options are:

Mia wanted to know how Earth’s movements created new landforms . She decided to read about folded mountains and their characteristics because she had seen them in the Alps therefore the following statements which describe characteristics of folded mountains is the following below:

a. The folds can bend upward and form mountains.

b. They contain a combination of both anticlines and synclines.

c. The crust breaks into large chunks to form a series of sharp peaks.

This is referred to as a landform that rises high above the surrounding terrain in a limited area and is formed through different types of factors in the environment.

There were folded mountains found in the alps as a result of a features such as which are them bending upward and forming mountains and containing a combination of both anticlines and synclines.

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The full question:

Mia wanted to know how Earth’s movements created new landforms . She decided to read about folded mountains and their characteristics because she had seen them in the Alps. Which of the following statements describe characteristics of folded mountains? Choose the three statements that apply.

a. The folds can bend upward and form mountains.

b. They contain a combination of both anticlines and synclines.

c. The crust breaks into large chunks to form a series of sharp peaks.

d. The crust deforms and bends but it does not break.

The magnitude of the force significance of pressure is the diploma to which the force will accelerate the body it is performing on and it's miles are represented by means of a scalar (an unmarried variety).

The magnitude of a force is the degree to which the force will accelerate the frame it is appearing on and it's far represented via a scalar (a single variety). The value also can be thought of as the electricity of the pressure. whilst forces are represented as vectors, the significance of the force is usually explicitly classified.

The magnitude of the internet pressure performing on an item is the same as the mass of the object multiplied via the acceleration of the item as proven inside the components underneath. If the net pressure acting on an item is 0, then the item is not accelerating and is in a country that we call equilibrium.

Riding a bicycle is a simple example of the value of force. it's miles an easy system that converts the power furnished by way of a person into kinetic energy. The pressure introduced at the pedal results in the formation of power. work is finished to exchange this strength into kinetic electricity and flow the bicycle ahead.

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It is possible that after attaining an average speed of 40 mi/hr, the average speed of the car would increase no further.

The term average speed has to do with the ratio of the distance to the time taken. In a car, the speedometer is used to regulate the speed of the car. This implies that the average speed of the car an not increase above the maximum speed limit of the car.  Many cars have a programmed speed limit that the driver is unable to exceed.

Now we know that it is possible that the maximum speed limit of the car has been set to 40 mi/hr. The driver can not be able to exceed this. As such, it is possible that after attaining an average speed of 40 mi/hr, the average speed of the car would increase no further.

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13.02 meters

Explanation

the work done by the brakes makes the car stops, so the change in energy equals the work done

hence

also, the work done by a force is given by

then, let

replace

therefore, the answer is

13.02 meters

I hope this helps you

The terminal velocity of a person falling in air depends upon the weight and the area of the person facing the fluid.The formula for terminal velocity is given by :vT= 2mg/ρACDwhere,m = mass of the bodyg = acceleration due to gravityρ = density of the fluid

A = area of the body facing the fluidCD = drag coefficientvT = Terminal VelocityWe have,A = 0.5 m² (Assuming the person to be standing)ρ = 1.2 kg/m³ (Density of air at 20°C and 1 atm pressure)CD = 1.0 (Approximate value for standing person)vT= 2mg/ρACD = 2 x 80 x 9.8 / (1.2 x 0.5 x 1.0) = 52.18 m/sNow, to convert this value into km/h, we have;vT (km/hr) = vT (m/s) x 18/5 (As 1 km/hr = 18/5 m/s)vT (km/hr) = 52.18 x 18/5 = 187.85 km/hrTherefore, the main answer is : The terminal velocity of a person falling in air (when the person is standing) is 52.18 m/s or 187.85 km/hr.Explanation :We know that the terminal velocity of a person falling in air depends upon the weight and the area of the person facing the fluid.

The formula for terminal velocity is given by :vT= 2mg/ρACDwhere,m = mass of the bodyg = acceleration due to gravityρ = density of the fluidA = area of the body facing the fluidCD = drag coefficientvT = Terminal VelocityFor this question, we know the value of A, ρ, and CD. We just need to find the value of m and g. As the person is falling in air, acceleration due to gravity, g = 9.8 m/s². We can assume the weight of a person to be 80 kg. Therefore, substituting these values in the above equation, we get:vT= 2mg/ρACD = 2 x 80 x 9.8 / (1.2 x 0.5 x 1.0) = 52.18 m/sNow, to convert this value into km/h, we have;vT (km/hr) = vT (m/s) x 18/5 (As 1 km/hr = 18/5 m/s)vT (km/hr) = 52.18 x 18/5 = 187.85 km/hrTherefore, the main answer is : The terminal velocity of a person falling in air (when the person is standing) is 52.18 m/s or 187.85 km/hr.

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Answer:

1 m/s=3.6km/her

56km/hr=?

=56km/hr×1m/s/3.6km/her

velocity is 15.5m/s

Explanation:

w=fs

a=v/t

a=15.5m/s/30s

a=465m/s^2

w=fs

w=0.02×

The correct answer is option (A). The fact that a thermometer "takes its own temperature" illustrates the concept of thermal equilibrium.

Thermal equilibrium refers to a state where two objects or systems are at the same temperature and there is no net transfer of heat between them. In this case, the thermometer, being in thermal contact with its surroundings, eventually reaches a state of equilibrium where it shares the same temperature as its environment. Once thermal equilibrium is reached, the thermometer accurately reflects the temperature of its surroundings, effectively "taking its own temperature."

The concept of thermal equilibrium highlights the idea that heat transfer occurs until a balanced state is achieved. It is a manifestation of energy conservation because, in the process, energy is conserved. Heat refers to the transfer of thermal energy between objects, while internal energy represents the total energy stored within a substance, including both its kinetic and potential energies.

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Answer:

The Interpretation of Dreams": Freud noticed that dreams played an important role in his analysis of neurotic and "hysterical" patients. When he asked his patients to talk about whatever came into their minds, they often referred to their dreams, which would set off other associations and often illuminate other important connections in their past experience. It took Freud about two years to write the book, finishing it in September 1897.

Answer:

D. 3 hours or more

Explanation:

The average 8- to 18-year-old spends at least D. 3 hours every day in front of a screen, performing little to no physical activity. This is because, instead of exercising and socializing with their peers, children and teenagers frequently talk, watch a lot of movies/shows, or play video games on their computers. Unfortunately, this is typically considerably more than three hours every day. Although some children still prefer physical activities over this, the bulk of the population does not.

The  the capacitance of the cable is 18 nF, when the resulting potential difference between the two conductors is 420 V.

The capacitance of a cable is 125 nF when the resulting potential difference between the two conductors is 60 V. If the resulting potential difference between the two conductors is 420 V, what is the capacitance, in nanofarads, of the cable

Given:

Capacitance, C = 125 nF

Initial potential difference, V1 = 60 V

Final potential difference, V2 = 420 V

To find:

The capacitance of the cable is given by the formula:

Capacitance, C = (Charge, Q) / (Potential difference, V)

Or,

Charge, Q = C × V

We know that,

Charge, Q1 = C × V1

Charge, Q2 = C × V2

If we divide Q2 by Q1, then we get:

C × V2 / C × V1

= Q2 / Q1

Or,

C × V2 / C × V1 = (Final charge) / (Initial charge)

From the principle of conservation of charge, we know that:

Charge cannot be created or destroyed; it can only be transferred from one place to another.

Therefore, the initial charge and final charge are the same.

So, we can say that:

Charge, Q2 = Charge, Q1

Hence, C × V2 = C × V1

Or,

C = V1 / V2 × C1

Substituting the values, we get:

C = 60 V / 420 V × 125nF

= 18 nF (approximately)

Therefore, the capacitance of the cable is 18 nF, when the resulting potential difference between the two conductors is 420 V.

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The mass of the white ball before the collision was 1.8 kg, and its velocity was 1.25 m/s. The mass of the white ball before the collision can be calculated using the conservation of momentum. Momentum of the system must remain constant before and after the collision, so:

Momentum before the collision = 0.9 kg-m/s

Momentum after the collision = (0.2 kg) (3 m/s) + (m) (0.75 m/s)

Therefore, 0.9 = (0.2)(3) + (m)(0.75)

This can be rearranged to calculate the mass of the white ball, m = 1.8 kg.

The velocity of the white ball before the collision can also be calculated using the conservation of momentum:

Momentum before the collision = (1.8 kg)(v) + (0.2 kg)(3 m/s)

Therefore, 0.9 = (1.8)(v) + (0.6)

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Answer:

The word physics originates from Greek word meaning nature physics is therefore a science dealing with the study of nature and various natural phenomenon.Physcis is the branch of science which deals with the study of matter,energy and the relationship between them.

Science is derived from the Greek word scientia which means knowledge science is defined as the knowledge gathered from observations and experimentations.

Explanation:

Hope it will help you. :)

The room temperature if the gas thermometer records a pressure of 234mmHg is 248.84 K.

The temperature of reading of the thermometer is calculated by applying interpolation method.

220 mmHg --------> 270 K

234 mmHg ----------> x

270 mmHg ------------ > 373 K

Now solve for x,

( 234 - 220 ) / ( 270 - 220 ) = ( x - 270 ) / ( 373 - 270 )

0.28 = ( x - 220 ) / 103

103 ( 0.28 ) = x - 220

x = 248.84 K

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The strength of an electromagnet's magnetic field can be increased by the following below:

A. Increasing the amount of current flowing through the wire

B. Increasing the number of coils packed close together

D. Increasing the thickness of the coils.

This is referred to as a region around a magnetic material or a moving electric charge within which the force of magnetism acts.

Increasing the number of coils packed close together or the thickness will increase the strength of an electromagnet's magnetic field because each coil has its own magnetic field, so the more coils will increase it thereby making it the correct choices.

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Answer:

The water filled balloon does not burst because the rubber obviously does not reach a temperature sufficient for it to melt or burn. The rubber is stretched thin so that heat is quickly transferred into the balloon. With air inside the balloon, this heat is not readily dissipated away from the spot touching the flame.