The consequence that an element of society produces for the maintenance of its social system.

Air masses from the tropics and the equator are warm as they form over lower latitudes. The major causes for moving air masses North America exists jet storm.

An air mass is a volume of air that in meteorology is identified by its temperature and humidity. Many hundreds or thousands of square miles are covered by air masses, which adjust to the properties of the land underneath them. Latitude and their continental or maritime source regions are used to categories them.

Warmer air masses are referred to as tropical, whilst colder air masses are referred to as polar or arctic. Superior and maritime air masses are moist, whereas continental and superior air masses are dry. Air masses with various densities are divided by weather fronts. Once an air mass has left its original location, nearby plants and bodies of water can quickly change the way it behaves. Classification systems address both the properties and modification of an air mass.

Air masses from the tropics and the equator are warm as they form over lower latitudes. They move poleward along the southern edge of the subtropical ridge and are drier and hotter than those that originate over seas. Trade air masses are another name for tropical maritime air masses. The Caribbean Sea, southern Gulf of Mexico, and tropical Atlantic Oceans, east of Florida via the Bahamas, are the origins of maritime tropical air masses that have an impact on the United States.

Monsoon air masses are moist and unstable. Rarely do dry superior air masses touch the ground. A trade wind inversion, which is a warmer and drier layer over the more moderately moist air mass below, is typically created over maritime tropical air masses when they are located above them.

Therefore, the correct answer is option C. jet storm.

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Answer:

5.7s

Explanation:

it is stationary when v = 0 so use the equations of motion to find t. Please see photo attached

The time passed before it is stationary (for a moment) will be 5.7s.

Acceleration is defined as the rate change of velocity with time.

acceleration a = (Δv) / (Δt)

A rollercoaster speeds up from rest to 100mph (45m/s) in 1.2s. The rollercoaster car then travels vertically upwards, and decelerates at 10m/s^2

Time taken for the change in speed is t.

The acceleration is given by

-10= (45 -0)/ t

t = 4.5

Total time passed = 4.5 +1.2 = 5.7s

Thus, the time passed is  5.7s.

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1. The force between the two charges is 1.78 × 10⁻⁵ pounds, with opposite signs indicating attraction between the charges.

2. The resistance of 10 gauge aluminum wire over a 40 ft distance would be 0.506 ohms.

3. The cost of electricity from the automobile battery is 38.6 cents per kWh.

4. The current that would be carried through the body is 0.8 mA if dry.

1. The force between two point charges can be calculated using Coulomb's law, which states that the force is proportional to the product of the charges and inversely proportional to the square of the distance between them.

Using the values given, the force can be calculated as F = (k * q1 * q2) / r², where k is Coulomb's constant, q1 and q2 are the charges, and r is the distance between them. Plugging in the values, the force can be calculated as 1.78 × 10⁻⁵ pounds, with opposite signs indicating attraction between the charges.

2. The resistance of a wire is determined by its length, cross-sectional area, and resistivity. The resistivity of aluminum is higher than that of copper, so a larger cross-sectional area is required to achieve the same resistance. Using the gauge size conversion chart, 10 gauge aluminum wire has a cross-sectional area of 5.26 mm², which is approximately 83% of the cross-sectional area of 12 gauge copper wire.

Thus, the resistance of 10 gauge aluminum wire over a 40 ft distance can be calculated as R = (rho * L) / A, where rho is the resistivity of aluminum, L is the length, and A is the cross-sectional area. Plugging in the values, the resistance can be calculated as 0.506 ohms.

3. To calculate the cost of electricity per kWh, the total cost and the total amount of energy supplied must be known. Since the battery supplies 12 V and 51 A for one hour, the total energy supplied can be calculated as E = V * I * t, where V is the voltage, I is the current, and t is the time.

Plugging in the values, the total energy supplied can be calculated as 612 watt-hours (Wh). Since one kWh is equal to 1000 Wh, the total energy supplied can be converted to 0.612 kWh. Dividing the total cost by the total energy supplied gives the cost per kWh, which is 38.6 cents.

4. The current through the body can be calculated using Ohm's law, which states that current is equal to voltage divided by resistance. Using the values given, the resistance can be either 100,000 ohms or 300 ohms depending on whether the skin is dry or wet.

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Answer: 207 W

Explanation: I assumed here that the object is moved vertically. If that is the case, the work done on the object is equal to its change in gravitational potential energy:

where

m = 47 kg is the mass of the object

g = 9.8 m/s^2 is the acceleration of gravity

is the change in height

Substituting,

Now we can calculate the power used, which is given by

Hope this helps I'm sorry if i'm wrong but I tried :(

Answer: sliding

Explanation:

A snow skier slowing to a stop after skiing down a mountain is an example of sliding friction

Answer:

static friction

Explanation:

Answer:

generator

Explanation:

it gives u electricity can i get brainliest

Answer:

Explanation:

To find the current flowing in the circuit, we can use Ohm's Law and Kirchhoff's circuit laws.

Ohm's Law states that the current (I) flowing through a circuit is equal to the voltage (V) divided by the resistance (R):

I = V / R

In this case, the voltage (V) is the electromotive force (EMF) of the current source, which is 14 V. The total resistance (R) in the circuit is the sum of the internal resistance (r) and the resistances of the two resistors (R1 and R2):

R = r + R1 + R2

Given that the internal resistance (r) is 1Ω and each resistor (R1 and R2) has a resistance of 3Ω, we can substitute these values into the equation:

R = 1Ω + 3Ω + 3Ω = 7Ω

Now we can calculate the current (I):

I = V / R = 14 V / 7Ω = 2 A

Therefore, the current flowing in the circuit is 2 Amperes.

Option A) converging lens  , is the correct answer

What is lens ?

A lens is  a transparent material, usually circular, with two polished surfaces, one or both of which are curved, either convex (curved) or concave (deep). Curves are almost always spherical. That is, the radius of curvature is constant. Lenses have the valuable property of producing images of objects in front of us. Singlet lenses are used in eyeglasses, contact lenses, pocket magnifiers, projection condensers, signal lights, viewfinders, and simple box cameras

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Answer:

M' = μ₀n₁n₂πr₂²

Explanation:

Since r₂ < r₁ the mutual inductance M = N₂Ф₂₁/i₁ where N₂ = number of turns of solenoid 2 = n₂l where n₂ = number of turns per unit length of solenoid 2 and l = length of solenoid, Ф₂₁ = flux in solenoid 2 due to magnetic field in solenoid 1 = B₁A₂ where B₁ = magnetic field due to solenoid 1 = μ₀n₁i₁ where μ₀ = permeability of free space, n₁ = number of turns per unit length of solenoid 1 and i₁ = current in solenoid 1. A₂ = area of solenoid 2 = πr₂² where r₂ = radius of solenoid 2.

So, M = N₂Ф₂₁/i₁

substituting the values of the variables into the equation, we have

M = N₂Ф₂₁/i₁

M = N₂B₁A₂/i₁

M = n₂lμ₀n₁i₁πr₂²/i₁

M = lμ₀n₁n₂πr₂²

So, the mutual inductance per unit length is M' = M/l = μ₀n₁n₂πr₂²

M' = μ₀n₁n₂πr₂²

Answer:

a. the free movement of electrons within a conductor permits the transfer of change

Explanation:

Most conductors have more electrons than protons as well. And when you move from one conductor to another, the net charge on the conductor changes by the addition or subtraction of electrons only. In other words, all metals are charged and are considered to have a “positive charge.” A conductor permits energy, such as electric charge or heat, to flow freely through it.

Answer:

v_e »v_proton

Explanation:

To analyze which body has more energy, let's use the concepts of energy

starting point. Before releasing the particle

           Emo = U = e V

final point.

           Em_f = K = ½ m v²

energy is conservative

          Em₀ = em_f

          eV = ½ m v²

          v² = 2eV / m

we see that the velocity of the body is inversely proportional to the mass of the atom.

For the present cao the mass of the proton is much greater than the mass of the electron

which

           v_e »v_proton

The required buoyant force of the solid steel submerged in water is 124681934 N.

Force is defined as an object which is in a state of motion then its rate of change of momentum is called force.

Here,
To calculate the buoyant force on the steel object, we need to first determine the volume of the steel object. Let's assume the density of steel is 7,860 kg/m³.

Mass of the steel object = 1.0x10⁷ kg

Density of steel = 7,860 kg/m³

The volume of steel object = Mass of steel object / Density of steel

= (1.0x10⁷ kg) / (7,860 kg/m³)

= 1271.78 m³

Buoyant force = Weight of displaced water

= Density of water x Volume of displaced water x gravitational acceleration

= (1000 kg/m³) x (1271.78 m³) x (9.81 m/s²)

= 124681934 N

The weight of the steel object is given as 1.0x10⁷ N.

Comparing the buoyant force with the weight of the steel object, we find that the buoyant force is greater than the weight of the steel object. This means that the steel object will float in water, as the buoyant force is enough to counteract the weight of the object.

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After four half-lives, the amount that remains is (1/2)⁴ of the original sample.

That's (1/16) of 10 g, or 0.625 g.

It doesn't matter how long the half-life is.

A radioisotope has a starting mass of 10.0 g. Half lives of the isotopes are 0-10, 1-5, 2-2.25, 3-1.25, and 4-0.625 if the radioisotope has a half life of 2.75 years.

A chemical element in an unstable state that emits radiation as it decomposes and becomes more stable. Both the natural environment and a laboratory can produce radioisotopes. They are utilized in imaging studies and therapy in medicine.

In radioactivity, the half-life is the amount of time needed for half of a radioactive sample's atomic nuclei to spontaneously decay (convert into different nuclear species by emitting particles and energy), or, more precisely, the amount of time needed for the number of disintegrations per second.

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Answer:

x = 0.9 m

Explanation:

For this exercise we must use the rotational equilibrium relation, we will assume that the counterclockwise rotations are positive

          ∑ τ = 0

          60 1.5 - 78 1.5 + 30 x = 0

where x is measured from the left side of the fulcrum

           90 - 117 + 30 x = 0

           x = 27/30

           x = 0.9 m       

In summary the center of mass is on the side of the lightest weight x = 0.9 m

The time taken for the ball to reach its maximum height is 1 second.

To calculate the time taken for the ball to reach its maximum height, we can use the kinematic equation for vertical motion. The equation is:

v = u + at

Where:

v = final velocity

u = initial velocity

a = acceleration

t = time

In this case, the ball is thrown vertically upwards, so the initial velocity (u) is 10 m/s (considering upwards as positive) and the acceleration (a) is -10 m/s² (negative because it opposes the motion).

The final velocity (v) at the maximum height will be zero because the ball momentarily comes to a stop before reversing its direction. Therefore, we can rewrite the equation as:

0 = 10 - 10t

Simplifying the equation, we get:

10t = 10

Dividing both sides by 10, we find:

t = 1 second

Therefore, the time taken for the ball to reach its maximum height is 1 second.

During this time, the ball covers the distance required to reach the maximum height, overcoming the gravitational acceleration. After reaching the maximum height, it will start to descend towards the ground due to the gravitational pull.

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Answer:

the mug will moveforwards

Answer:

The maximum height reached by the water is 117.55 m.

Explanation:

Given;

initial velocity of the water, u = 48 m/s

at maximum height the final velocity will be zero, v = 0

the water is going upwards, i.e in the negative direction of gravity, g = -9.8 m/s².

The maximum height reached by the water is calculated as follows;

v² = u² + 2gh

where;

h is the maximum height reached by the water

0 = u² + 2gh

0 = (48)² + ( 2 x -9.8 x h)

0 = 2304 - 19.6h

19.6h = 2304

h = 2304 / 19.6

h = 117.55 m

Therefore, the maximum height reached by the water is 117.55 m.

Answer:

The maximum height reached by the water is 117.55 m.

Explanation:

Given:

The resistances are in parallel connection as shown in the diagram.

The current through the resistance,

is

The current through the resistance,

is

To find:

The relation between the main current and the current through the resistances

Explanation:

Kirchoff's current rule says the total sum of the current through any circuit is zero which means the input current is equal to the output current.

The input current is,

The output current is,

Hence,

Hence, option D is correct.

Answer:

Explanation:

a )

Iz( t ) = A + B t²

Iz( t ) = angular velocity

putting dimensional formula

T⁻¹ = A + Bt²

A = T⁻¹

unit of A is rad s⁻¹

BT² = T⁻¹

B = T⁻³

unit of B is rad s⁻³

b )

Iz( t ) = A + B t²

dIz / dt = 2Bt

angular acceleration = 2Bt

at t = 0

angular acceleration = 0

at t = 5

angular acceleration = 2 x 1.6 x 5

= 16 rad / s²

Iz( t ) = A + B t²

dθ / dt = A + B t²

integrating ,

θ = At + B t³ / 3

when t = 0 , θ = 0

when t = 2

θ = At + B t³ / 3

= 2.65 x 2 + 1.6 x 2³ / 3

= 5.3 + 4.27

= 9.57 rad .

Flywheel turns by 9.57 rad during first 2 s .

(a) The unit of A is rad/s and the unit of B is rad/s³.

(b) The angular acceleration of the flywheel at 0 s is 0 and at 5 s is 16 rad/s²

(c) The angular displacement of the flywheel during the first 2 seconds, is 9.57 rad.

The given parameters;

The units of A and B if z(t) is in radian per second (rad/s), are calculated as follows;

\(z(t)[\frac{rad}{s} ] = A[\frac{rad}{s} ] \ + \ Bt^2[\frac{rad}{s^3} ]\)

Thus, the unit of A is rad/s and the unit of B is rad/s³.

The angular acceleration of the flywheel is calculated as follows;

\(a = \frac{d\omega }{dt} =2Bt\)

when, t = 0

a = 2(1.6)(0) = 0

when t = 5 s

a = 2(1.6)(5) = 16 rad/s²

The angular displacement of the flywheel during the first 2 seconds, is calculated as follows;

\(\theta = \int\limits {z(t)} \, dt\\\\\theta = At \ + \ \frac{Bt^3}{3} \\\\when, \ t = 2\ s;\\\\\theta = (2.65\times 2) \ + \ (\frac{1.6\times 2^3}{3} )\\\\\theta = 9.57 \ rad\)

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Answer:

250 m

Explanation:

Refer to the attachment for the graph. Here, we are asked to calculate the distance travelled.

⇒ Area under the graph = Distance travelled by the body

Area of trapezium = ½ × Sum of parallel sides × Height

\( \twoheadrightarrow \quad \sf {S = \dfrac{1}{2}\times (AD + BC) \times OC} \\ \)

\( \twoheadrightarrow \quad \sf {S = \dfrac{1}{\cancel{2}}\times (10+30) \times \cancel{10}} \\ \)

\( \twoheadrightarrow \quad \sf {S = 1\times 50 \times 5} \\ \)

\(\twoheadrightarrow \quad \boxed{\red{\sf{ S = 250 \; m}}}\\\)

❝ Therefore, distance travelled by the body is 250 m. ❞

Correct question is;

In an RC parallel circuit, Et = 480 V, R = 50kΩ, and XC = 47 kΩ. What is the reactive power?

Answer:

P_r = 4.9 VARs

Explanation:

We are given;

Total voltage: Et = 480 V

Resistance; R = 50kΩ = 50000 Ω

Capacitive reactance; XC = 47 kΩ = 47000 Ω

Formula for current across the capacitor is;

Et = I_c • XC

I_c = Et/XC

l_c = 480/47000

I_c = 0.01021 A

Formula for reactive power is;

P_r = (I_c)² × XC

P_r = 0.01021² × 47000

P_r = 4.9 VARs

Answer:

yes

Explanation:

Water HEATS up and turns into steam. Steam is made from HEAT. Granite can be compromised by HEAT. Lead compounds can be good insulators.

Answer:

12

Explanation:

I'm a beginner so am not sureeeeee

The wave front, also known as the wavefront, is an imaginary surface that represents equivalent points of a wave that vibrate in sync. The correct option is D ; 2.0 .

A wave front is described as a surface where the wave's phase remains constant. At any one time, all particles of the medium are moving in the same direction along a certain wave front. Two kinds of wave fronts are very essential. They are plane and spherical wave fronts, respectively. A wavefront is a surface on which the wave disturbance is in the same phase at all places. For example, the ripples of water created when a stone is tossed into a pond.

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Here are six things you can do to save energy or increase energy efficiency in any part of a house:

Install energy-efficient lighting and switch to LED lights from incandescent ones. While they live longer and consume up to 80% less energy than incandescent lights, LED bulbs require fewer replacements over time.

Upgrade your windows: Replace old windows with energy-efficient ones. Windows with double or triple panes, low-emissivity coatings, and insulated frames can significantly reduce heat loss in the winter and heat gain in the summer.

Install a programmable thermostat: A programmable thermostat allows you to set different temperatures for different times of the day, so you can automatically reduce heating or cooling when you're not at home or when you're sleeping.

Insulate your home: Adding insulation to walls, floors, and attics can help keep heat inside during the winter and outside during the summer, reducing your need for heating and cooling.

Upgrade to energy-efficient appliances: Energy-efficient appliances, such as refrigerators, dishwashers, and washing machines, use less energy and water than older models, which can help you save on your energy bills.

Seal air leaks: Seal air leaks around windows, doors, and other areas of your home to prevent drafts and heat loss. You can use weatherstripping, caulking, or other materials to seal gaps and cracks. This can help you save on heating and cooling costs and improve your overall energy efficiency.

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Explanation:

To solve this problem, we need to use the work-energy theorem, which states that the work done on an object equals the change in its kinetic energy.

(a) The work done by the man is equal to the change in kinetic energy of the crate. Since the crate starts from rest at the bottom and comes to rest at the top, its initial and final kinetic energies are both zero. Therefore, the work done by the man is equal to the potential energy gained by the crate as it moves up the ramp:

W_man = mgh = (9 kg)(9.81 m/s^2)(5 m) = 441.45 J

where m is the mass of the crate, g is the acceleration due to gravity, h is the height of the ramp, and W_man is the work done by the man.

(b) Gravity does negative work on the crate because it acts in the opposite direction to the displacement of the crate. The work done by gravity is equal to the negative change in potential energy of the crate:

W_gravity = -mgh = -(9 kg)(9.81 m/s^2)(5 m) = -441.45 J

where W_gravity is the work done by gravity.

(c) The normal force acts perpendicular to the displacement of the crate and therefore does no work. Therefore, the work done by the normal force is zero:

W_normal = 0 J.

Answer:

In general, if the dimensions are same, the quantities do represent the same physical content. Like work and energy have the same dimensions and represent inter-convertible quantity. ... These two quantities represent the same quantity - same meaning and content.

Explanation: i hope this helped.

Okay, here are the steps to calculate the full distance traveled when an object is thrown at a certain speed and angle:

You have the initial velocity (v): 35 m/s

You have the launch angle (θ): 45 degrees

We need to split the initial velocity into its horizontal (vx) and vertical (vy) components.

To calculate vx (horizontal component):

vx = v * cosθ

vx = 35 * cos(45) = 24.7 m/s

To calculate vy (vertical component):

vy = v * sinθ

vy = 35 * sin(45) = 24.7 m/s

We can calculate the horizontal distance (d) traveled using:

d = vx * t (where t is time)

Since there is no air resistance, the vertical velocity (vy) will remain constant. This means the time the object is in the air is:

t = vy / g (where g is acceleration due to gravity, 9.8 m/s^2)

t = 24.7 / 9.8 = 2.52 seconds

Now we can calculate the full horizontal distance traveled:

d = vx * t

d = 24.7 * 2.52

= 62.3 meters

So the full distance the object will travel when thrown at 35 m/s at a 45 degree angle is approximately 62 meters.

Let me know if you have any other questions!

Answer:

To calculate the full distance traveled by an object thrown at a velocity of 35 m/s at an angle of 45 degrees, we need to consider the horizontal and vertical components of the motion separately.

The horizontal component of the motion remains constant throughout the trajectory and is given by:

Horizontal distance = (Initial velocity) * (Time of flight) * cos(angle)

In this case, the initial velocity is 35 m/s, the angle is 45 degrees, and we need to find the time of flight.

The time of flight can be calculated using the vertical component of the motion. The vertical motion can be described using the equation:

Vertical displacement = (Initial velocity * sin(angle))^2 / (2 * acceleration)

Where the initial velocity is 35 m/s, the angle is 45 degrees, and the acceleration is the acceleration due to gravity, approximately 9.8 m/s^2.

The vertical displacement is zero at the highest point of the trajectory since the object comes back down to the same height it was launched from. So we can solve the equation for the time of flight.

Using these calculations, we can find the horizontal distance traveled by the object.

Let's calculate step by step:

Step 1: Calculate the time of flight

Vertical displacement = 0 (at the highest point)

0 = (35 * sin(45))^2 / (2 * 9.8)

0 = (24.75^2) / 19.6

0 = 616.0125 / 19.6

0 = 31.43

Step 2: Calculate the time of flight

Vertical displacement = (Initial velocity * sin(angle)) * time - (1/2) * acceleration * time^2

0 = (35 * sin(45)) * time - (1/2) * 9.8 * time^2

0 = 24.75 * time - 4.9 * time^2

4.9 * time^2 - 24.75 * time = 0

time * (4.9 * time - 24.75) = 0

time = 0 (initial point) or 24.75 / 4.9

time = 5.05 seconds

Step 3: Calculate the horizontal distance

Horizontal distance = (Initial velocity) * (Time of flight) * cos(angle)

Horizontal distance = 35 * 5.05 * cos(45)

Horizontal distance = 35 * 5.05 * (sqrt(2)/2)

Horizontal distance = 88.96 meters

The most logical conclusion to make in light of the facts available is that the electric field is directed to the left. This conclusion may be drawn from the fact that a negative test charge, which is attracted to positive charges and repels other negative test charges, feels a force to the right.

The force applied to the negative test charge suggests the presence of positive charges in the electric field, indicating that the field lines begin with positive charges and end on negative charges since opposing charges attract.

The assumption that electric field lines originate from positive charges and end on negative charges is supported by this deduction. As a result, in this situation, the electric field is directed leftward.

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Answer:

2.00 A

Explanation:

Total resistance = 10 + 20 + 30 = 60 ohms

Potential difference (V) = 120volts

Current (I) =?

from Ohms law V = IR

==> I = V/R = 120/60 = 2 A

Note: for resistors in series equal amount of electric current flows through the circuit