Which step of the scientific method do you perform after you state the
problem?
O A. Collect data and observations.
B. Conduct an experiment.
C. Form a hypothesis.
D. Draw conclusions.

Answer:

D. Push Factor

Explanation:

Weather hazards and natural disasters are horrendously negative things that people actively seek to avoid; they make people want to leave or depart from an area in order to escape them. As such, they are considered push factors.

(Weather hazards and natural disasters are not pull factors because when discussing push vs pull we are specifically describing the mentioned factor. This aspect is not considered both because the migration factor mentioned in this question actively makes people want to move to any area that avoids their issue. Remember that pull factors make people want to move to a specific place for a unique advantage, while push factors make people want to move to any general place for a common advantage.)

Answer:

Its not B. So I think its A.

Explanation:

Reporting The Results.

The final step in the fourth stage of technological design after a product has been improved and approved is reporting the results. Thus, option A is correct.

It is a distinctive process with numerous defining characteristics. It is based on certain requirements. It is creative, systematic, and purposeful. It involves Identifying a problem, creating a solution for the problem, evaluating the solution, and implementing the solution.

The technological design involves four stages and it involves need, designing, implementing the solution, and evaluating the solution. The materials of the technological design should meet the need that they are affordable.

The final step in the fourth stage of technological design, after a product has been improved and approved is, Reporting the results. Thus, the ideal solution is option A.

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The magnetic field of a hollow cylinder can be calculated by the Biot-Savart law which can be represented as:`\(d\vec{B} = \frac{\mu_0}{4\pi} \frac{Id\vec{l} \times \vec{r}}{r^2}\)

Where:• I is the current through the wire• dℓ is an infinitesimal segment of the wire• r is the distance from the wire to the point of interest• μ₀ is the permeability of free space Biot-Savart's law can be used to determine the magnetic field produced by any current distribution.

Furthermore, this law is a consequence of the equation describing how a magnetic field induces an electric field and vice versa.

In this case, the cylinder's magnetic field at a distance of d = 10 cm from the axis of the cylinder can be calculated as follows:Given; Inner radius a = 5.0 cm

Radius of cylinder b = 10 cmµ

0 = 4π × 10−7 T.m/A

Formula to be used;`

B= (µ0 * I * a^2)/2 * (d^2 + a^2)^(3/2)`

Here, a = 5 cm

and d = 10 cm.

Substituting the values;

`B = (4 * π * 10^−7 * I * (5*10^−2)^2)/(2 * (10*10^−2^2 + (5*10^−2)^2)^(3/2))`

On solving the above equation, we get;`B = 1.33 × 10^-9 * I T`

Therefore, the magnitude of the magnetic field at a distance of d = 10 cm from the axis of the cylinder is `1.33 × 10^-9 * I T`.

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The total electric potential energy is \(\frac{kq_{1} q_{3} }{r_{13} } + \frac{kq_{2} q_{3} }{r_{23} } + \frac{kq_{1} q_{2} }{r_{12} }\).

Electric Potential Energy of a System of Charges :

The system's electric potential energy is equal to the amount of work necessary to create a system of charges by guiding them toward their designated locations from infinity against the electrostatic force without accelerating them. The symbol for it is U.U=W=qV. Electrostatic fields are conservative, therefore the work is independent of the path.

Assume three charges q₁ , q₂ and q₃ bring from infinity to point P.

To bring  q₁ no work is done,

\(V_{p} = \frac{kq_{1} }{r_{1} }\)

where, V = electric potential energy.

            q = point charge.

            r = distance between any point around the charge to the point charge.

           k = Coulomb constant; k = 9.0 × 109 N.

Now bring q₂,

\(V_{2} = \frac{kq_{2} }{r_{2} }\)

Work done by q₁ ;

\(W_{1} = V_{p} q_{2} = \frac{kq_{1}q_{2} }{r_{12} }\)

Now bring  q₃,

\(V_{3} = \frac{kq_{3} }{r_{3} }\)

Work done on q₃ by q₁ and q₂

\(W= q_{3} [ V_{1} + V_{2} ]\)

    \(=\frac{kq_{1} q_{3} }{r_{13} }\)\(+ \frac{kq_{2} q_{3} }{r_{23} } + \frac{kq_{1}q_{3} }{r_{12} }\)

This work done is stored in the form of potential energy.

∴U=W= potential energy of three systems.

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The total electric potential energy is \(\frac{kq1q3}{r13} + \frac{kq2q3}{r23} + \frac{kq1q2}{r12}\)

Electric Potential Energy of a System of Charges

The labor required to establish a system of charges by guiding them toward their intended positions from infinity against the electrostatic force without accelerating them is equal to the electric potential energy of the system. Its identifier is U.U=W=qV. Due to the conservatism of electrostatic fields, the work is independent of the path.

Consider having three charges. Q1, Q2, and Q3 bring point P from infinity.

No work has been done to bring q1,

\(V_{1} = \frac{kq1}{r1}\)

where, V = electric potential energy.

           q = point charge.

           r = distance between any point around the charge to the point charge.

          k = Coulomb constant; k = 9.0 × 109 N.

Now bring q₂,

\(V_{2} = \frac{kq2}{r2}\)

Work done by q₁ ;

W1 = \(V_{p} q2\) = \(\frac{kq1q2}{r12}\)

Now bring  q₃,

\(V_{3} = \frac{kq3}{r3}\)

Work done on q₃ by q₁ and q₂

W= q3{\(V_{1} + V_{2}\)}

W = \(\frac{kq1q3}{r13} + \frac{kq2q3}{r23} + \frac{kq1q2}{r12}\)

This work done is stored in the form of potential energy.

∴U=W= potential energy of three systems.

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Answer:

true b

Explanation:

They ask us to evaluate if the expressions are true

a) False. The concept of polarization refers to the direction of the oscillating electric field in a traveling wave, in this case the shocks cause the wave to disperse

b) True .. Yes, since no work is done inside the conductor, so all the load is on the surface

c) False. In electrostatic equilibrium the voltage must be the same everywhere

d) False. If the charges are positive point out

              If the charges are negative point inwards

e) False. If the charge is positive, the pattern is outward

               if negative largares points gavia inside.

The correct answer is Option B. The statement "they have the same A-number but different Z-number" is true .

Atoms of the same element only differ because one of the atoms has more electrons, making it an ion.

This difference does not affect the mass of the atom, which is determined by the sum of its protons and neutrons, represented by the atomic mass or A-number.

The number of protons in an atom is called the atomic number or Z-number.

The Z-number of an element is unique to it. All the atoms of a given element have the same number of protons.

Thus, for example, all carbon atoms have six protons, making the Z-number of carbon 6.

However, different isotopes of an element can have different numbers of neutrons.

This means that they have a different atomic mass or A-number.

Therefore, they have the same A-number but different Z-number.

Therefore the correct Option is B.

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Answer:

A.

Explanation:

During the fall the day gets shorter hence less sunlight this results to leaves stopping their food making process. The chlorophyll breaks down, the green color disappears and the yellow to orange color becomes visible

Answer:

2 nitrogen and 1 oxygen,

Explanation:

N2=2 nitrogen

O= a single element

Answer:

They both have the same acceleration

try this experiment ,drop a heavy Item and a light item and see which one hits the floor first.dont try with a feather

The magnitude of the tension in the rope of this two-block system is:

\(T=73.56\: N\)

We have here an equilibrium system, which means that all forces acting are equal to zero.

We can analyze the hanging block. We just two forces acting in this block, the tension upwards (T) direction and the weight downward (W) direction.

\(T-W_{2}=0\)

\(T=W_{2}\)

\(T=m_{2}g\)

\(T=m_{2}g\)

The mass of the second mass is 7.5 kg and g = 9.81 m/s².

\(T=7.5*9.81\)

\(T=73.56\: N\)

Therefore, the tension will be 73.56 N.

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The statement that describes the transformation of the graph of function f onto the graph of function g is: The graph shifts 2 units right and 7 units down.

To determine the transformation of the graph of function f onto the graph of function g, we compare the two functions f(x) and g(x) and observe the changes in the equations.

The function f(x) = (1/x - 3) + 1 represents a reciprocal function that is shifted vertically 1 unit up and horizontally 3 units to the right. The reciprocal function is reflected about the line y = x.

The function g(x) = (1/(1 + 4)) + 3 simplifies to g(x) = 4 + 3 = 7, which is a constant function representing a horizontal line at y = 7.

By comparing the equations, we can see that the transformation from f(x) to g(x) involves the following changes:

The term 1/x in f(x) is replaced by the constant 1/(1 + 4) in g(x), resulting in a vertical shift of 7 units up.

The term -3 in f(x) is replaced by 3 in g(x), resulting in a vertical shift of 3 units up.

The +1 in f(x) is replaced by +3 in g(x), resulting in an additional vertical shift of 2 units up.

Therefore, the overall transformation is a shift of 2 units to the right and 7 units down.

Hence, the correct statement is: The graph shifts 2 units right and 7 units down.

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The energy transferred in Joules by the radio when it has been switched on for 2 minutes would be 6000 Joules.

Power is defined as the rate of energy transfer or the rate at which work is done, and is given by the equation:

Power = Energy transferred / Time

Rearranging the equation to solve for energy transferred, we get:

Energy transferred = Power x Time

We are given:

Power = 50 W

Time = 2 minutes = 120 seconds

Therefore, the energy transferred by the radio when it has been switched on for 2 minutes is:

Energy transferred = Power x Time = 50 W x 120 s = 6000 J

In other words, the energy transferred by the radio is 6000 Joules.

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Answer:

Yes becacuse it will never run out. The sun is there and it soakes the light up to create energy Solar is a renewable resourse.

Answer:

Due to its larger size

Explanation:

This is due to those planets being much larger than Earth. The larger a planet is, the more gravity that planet has, since gravity is mainly calculated based on the mass and radius of the planet. Also since the pressure deep inside of the planet depends mainly on the gravity of that planet on the surface, this is calculated as the square of the planet's surface gravity. Ultimately, the bigger the planet is the higher the pressure deep inside the planet will be.

Answer:

1) \(I=1.8*10^{-6}\: W/m^{2}\)  

2) \(E=0.037 \: V/m\)

Explanation:

1)

The intensity equation is given by:

\(I=\frac{P}{4\pi r^{2}}\)

Where:

\(I=\frac{20000}{4\pi (30000)^{2}}\)

\(I=1.8*10^{-6}\: W/m^{2}\)  

2)

Now, the intensity and the electric field are related as:

\( I=0.5c\epsilon_{0}E^{2}\)

Here:

We need to solve it for E.

\(E= \sqrt{\frac{2I}{c\epsilon_{0}}}\)

\(E= \sqrt{\frac{2(1.8*10^{-6})}{(3*10^{8})(8.85*10^{-12})}}\)

\(E=0.037 \: V/m\)

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The potential energy of the water having height of 45 m and has a mass of 250 kg is 110,250 Joule.

The force acting on the two objects affects the potential energy formula. The formula for gravitational force is P.E. = mgh, where g is the acceleration caused by gravity (9.8 m/s2 at the earth's surface) and h is the height in meters.

Substituting the value of mass (m), height(h) and g in the formula of potential energy

P.E = mgh

P.E. = 250*9.8*45

P.E.= 110,250 J  

Potential energy is the power that a thing possesses as a result of where it is in relation to other objects. Because the earth can pull you down through the force of gravity while doing work in the process, being at the top of a stairwell gives you more potential energy than standing at the bottom.

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Answer:

  163 N

Explanation:

The density of copper is about 8.96. The ratio of the weight in water to the weight in air is about 1-1/ρ, so is about 0.8884.

  0.8884 × 184 N ≈ 163 N

The submerged weight is about 163 N.

The mathematical relationship between m₁ and m₂ is that m₁ is twice the value of m₂.

Length of the femur, L = 0.9 m

Mass of the femur, M = 10 kg

Centre of gravity = L/3

m₁ + m₂ = M

T₁ + T₂ = Mg

m₁g + m₂g = Mg

T₁ + T₂ = m₁g + m₂g

T₁(L/3) = T₂(2L/3)

m₁g(L/3) = 2m₂mg(L/3)

Therefore,

m₁ = 2m₂

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If the thrust was cut in half, the new acceleration of the spare shuttle would be half of its original acceleration.

Assuming that the mass of the space shuttle remains constant, the new acceleration of the space shuttle would be half of its original acceleration.

The formula for acceleration is:

a = F/m

where,

a = acceleration

F = force applied

m = mass of the object

If the force is cut in half, the new acceleration can be calculated as follows:

a' = (F/2)/m

where,

a' = new acceleration

Simplifying this equation, we get:

a' = F/2m

Since we know that a = F/m, we can substitute this expression into the equation above to obtain:

a' = a/2

So, the new acceleration of the space shuttle would be half of its original acceleration.

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A 1 m-high table drops an object with a mass of 1 kg. This acceleration vector is identical at 50 cm and 80 cm distant the table if you depict the motion by sketching the object's velocities and accelerations vectors.

A vector quantity with direction is velocity. The velocity vector's direction is always parallel to the object's motion. Acceleration direction: The vector quantity of acceleration has a direction.

This acceleration vector, which represents the instantaneous acceleration, may be found by taking the velocity function's derivative with respect to time, as we saw in the previous chapter. The fact that they are essentially vector quantities is the only variation in either two or three dimensions.

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Answer: Vector A⃗ has y-component Ay = +12.0 m . A⃗ makes an angle of 24.0 ∘ counterclockwise from the +y-axis

The horizontal forces acting on each object are shown in the diagrams would only cause a change in motion in diagram A

A force causes a change in motion when it is unbalanced, meaning there is a net force acting on an object. According to Newton's first law of motion, an object at rest will remain at rest, and an object in motion will continue to move in a straight line at a constant speed, unless acted upon by an unbalanced force.

When an unbalanced force acts on an object, it will accelerate, meaning its velocity will change.

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The number of pool noodles that  would be needed to support the weight is 20.

The volume of a single pool noodle is calculated as follows;

V = πr²h

V = π (0.025)² x 1.65

V = 0.00324 m³

The weight of the water displaced is calculated as follows;

W = ρVg

where;

W = 1000 x 0.00324 x 9.8

W = 31.75 N

The number of pool noodles needed to support a person is calculated as follows;

= (65 x 9.8 ) / (31.75)

= 20

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Question :-

Answer :-

Explanation :-

As per the provided information in the given question, we have been given that the Velocity of the ball is 12 m/s . Time is given as 36 sec . And, we have been asked to calculate the Acceleration .

For calculating the Acceleration , we will use the Formula :-

\( \bigstar \: \: \boxed{ \sf{ \: Acceleration \: = \: \dfrac{v \: - \: u}{t} \: }} \)

Where ,

Therefore , by Substituting the given values in the above Formula :-

\( \dag \: \: \: \sf { Acceleration \: = \: \dfrac{Final \: Velocity \: - \: Initial \: Velocity}{Time} } \)

\( \longmapsto \: \: \sf { Acceleration \: = \: \dfrac{0 \: - \: 12}{36}} \)

\(\longmapsto \: \: \sf {Acceleration \: = \: \dfrac{ \: 12 \: }{36}}\)

\(\longmapsto \: \: \sf {Acceleration \: = \: \dfrac{ \: 1 \: }{3}}\)

\( \longmapsto \: \bf {Acceleration \: = \: 0.33 \: m/s^{2}} \)

Hence :-

\( \underline {\rule {212pt} {4pt}} \)

F=nmv

where;

n=no. of bullets = 1

m=mass of bullets=2g *10^-3

V=velocity of bullets200m/sec

F=1

loss in Kinetic energy=gain in heat energy

1/2MV^2=MS∆t

let M council M

=1/2V^2=S∆t

M=2g

K.E=MV^2/2

=(2*10^-3)(200)^2/2

2 councils 2

2*10^-3*4*10/2

K.E=40Js

H=mv∆t

(40/4.2)

40Js=40/4.2=mc∆t

40/4.2=2*0.03*∆t

=158.73°C

The given statement about EPS (  earnings per share) and FFO (funds from operations) is false. They are not interest deduction.

Net operating income is represented by EPS. Taxes and preferred dividends are factored into FFO (funds from operations), which also leverages them. Cash flow is not a factor in FFO. Net income to the number of outstanding shares is expressed as an EPS ratio. As previously indicated, companies may add FFO per share to their EPS.

Net income divided by the number of outstanding equity shares is earnings per share for a business. The amount of income being produced on a per-share basis is measured by EPS and FFO per share. the income per share. The company's profit, which belongs to the common shareholders, is measured in terms of earnings per share.

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The acceleration, in m/s² , that riders experience is 50.3 m/s²

Since the riders move in a circle, they undergo circular motion and will have a centripetal acceleration.

So, the centripetal acceleration, is given by a = v²/r where

Given that a rider in one swing is moving at 34 m/s with respect to the ground in a 46- m -diameter circle. We have that

So, substituting the values of the variables into the equation for the acceleration, we have

a = v²/r

a = (34 m/s)²/23 m

a = 1156 m²/s²/23 m

a = 50.26 m/s²

a ≅ 50.3 m/s²

So, the acceleration, in m/s² , that riders experience is 50.3 m/s²

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Explanation:

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Answer:

c thats the answer yep

Answer:

D.

Explanation:

The wire allows the current to follow the quickest path & will therefore follow the XY wire, restricting the energy source from reaching bulbs 1 and 2 which are beyond that wire.