A square wire loop is in a time-varying magnetic field with magnitude B(t)=At, where A>0. The plane in which the square is located has an angle θ(<90∘) with the direction of the magnetic field. In what direction does the induced current flow in the loop? A). Counterclockwise when viewing from above on the front and back segments, clockwise in the sides.
B). Clockwise when viewing from above on the front and back segments, counterclockwise in the sides.
C). Counterclockwise when viewed from above.
D). Clockwise when viewed from above.

Answer:

2m/s

Explanation:

10m / 5 s

Simplify and divide.

2 m / 1 s

Answer:

The speed would be 2

Explanation:

Motion occurs when there is a change in an object's position with respect to a reference point. This change can be caused by upsetting the equilibrium of the body, such as by applying a force to it or by changing its weight distribution.

Rotary motion occurs when an object rotates around an axis of rotation, while linear motion involves the transfer of motion to outside forces. Therefore, all of these conditions are necessary for motion to occur, whether it is in a straight line or in a circular path. Understanding the conditions for motion is essential in physics and engineering, where it is necessary to study how objects move and how to control their motion to achieve specific goals.
To have motion, all of the answers are correct (option d). This means that for an object to have motion:

a. The equilibrium of the body must be upset: When a force is applied to an object in equilibrium, it will disrupt the balance and cause the object to move.

b. Rotary motion must occur around the axis of rotation: In order for an object to have rotational motion, it must rotate around a specific axis.

c. Linear motion must be transferred to outside forces: When an object experiences linear motion, the forces acting upon it must be transferred to other objects or systems for the motion to occur.

In summary, motion can be achieved by upsetting the equilibrium of the body, having rotary motion around an axis of rotation, and transferring linear motion to outside forces.

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Answer:

a. The force of gravity on the droplet is approximately 4.606 × 10⁻¹⁴ Newtons

b. The electric force that balances the force of gravity is approximately -4.606 × 10⁻¹⁴ Newtons

c. The excess charge is approximately -1.439375 × 10⁻¹⁸ C

d. There are approximately 9 excess electrons on the droplet

Explanation:

The parameters of the Millikan experiment are;

The mass of the droplet, m = 4.7 × 10⁻¹⁵ kg

The electric field in which the droplet floats, E = 3.20 × 10⁴ N/C

a. The force of gravity on the droplet, F = The weight of the droplet, W = m × g

Where;

g = The acceleration due to gravity ≈ 9.8 m/s²

W = 4.7 × 10⁻¹⁵ kg × 9.8 m/s² = 4.606 × 10⁻¹⁴ Newtons

∴ The force of gravity on the droplet = W = 4.606 × 10⁻¹⁴ Newtons

b. The electric force that balances the force of gravity, \(F_v\) = -W = -4.606 × 10⁻¹⁴ Newtons

c. The excess charge is given as follows;

\(F_v\) = q·E

∴ The electric force that balances the force of gravity, \(F_v\) = q·E =  -4.606 × 10⁻¹⁴ N

q·E =  -4.606 × 10⁻¹⁴ N

q =  -4.606 × 10⁻¹⁴ N/E

∴ q = -4.606 × 10⁻¹⁴ N/(3.20 × 10⁴ N/C) ≈ -1.439375 × 10⁻¹⁸ C

The excess charge, q ≈ -1.439375 × 10⁻¹⁸ C

d. The charge of one electron, e = 1.602176634 × 10⁻¹⁹C

The number of excess electrons in the droplet, n, is given as follows;

n = 1.439375 × 10⁻¹⁸ C/(1.602176634 × 10⁻¹⁹C) = 8.98387212405 electrons

∴ n ≈ 9 electrons.

a. The force of gravity on this droplet is \(4.606 \times 10^{-14} \;Newton\)

b. The electric force that balances this droplet is \(-4.606 \times 10^{-14} \;Newton\)

c. The excess charge is equal to \(-1.44 \times 10^{-18}\;C\)

d. The number of excess electrons that are on this droplet is 9.0 electrons.

Given the following data:

Scientific data:

a. To calculate the force of gravity on this droplet:

The force of gravity on this droplet is equal to the weight of the droplet and it would be calculated by using this formula:

\(F = mg\\ \\ F = 4.7 \times 10^{-15} \times 9.8\\ \\ F = 4.606 \times 10^{-14} \;Newton\)

b. To calculate the electric force that balances this droplet:

The electric force that balances this droplet is equal to the negative weight of the droplet.

\(F_e = -mg = -4.606 \times 10^{-14} \;Newton\)

c. To calculate the excess charge:

Mathematically, the excess charge is given by this formula:

\(q=\frac{F_e}{E} \\ \\ q=\frac{-4.606 \times 10^{-14}}{3.2 \times 10^4} \\ \\ q=-1.44 \times 10^{-18}\;C\)

d. To calculate the number of excess electrons that are on this droplet:

\(n=\frac{1.44 \times 10^{-18}}{1.6 \times 10^{-19}} \)

n = 9.0 electrons

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Answer:

6.8 x 10^6

Explanation:

Look up M A T H W A Y it will help you with all of your algebra needs

Answer:

E-Community

Explanation:

edge 2021

Answer:

The answer would be option E- community

Explanation:

Hope this helped :)

edg 2022

Ionisation: the loss or gain of an electron

It is dangerous because cells that have been ionised can either die, or can mutate incorrectly, which might cause cancer.

Answer:

Final volume, V2 = 3 Litres

Explanation:

Given the following data;

Initial volume, V1 = 1 litre

Initial temperature, T1 = 20°C

Final temperature, T2 = 60°C

To find the final volume, we would use Charles' law;

Charles states that when the pressure of an ideal gas is kept constant, the volume of the gas is directly proportional to the absolute temperature of the gas.

Mathematically, Charles is given by;

V1/T1 = V2/T2

Making V2 as the subject formula, we have;

V1T2 = V2T1

V2 = (V1T2)/T1

Substituting into the formula, we have;

V2 = (1 * 60)/20

V2 = 60/20

Final volume, V2 = 3 Litres

B

Explanation:

BECAUSE IT WAS GOING UPWORD THEN IT'S VELOCITY WAS DECREASING -10MS¹

Answer:

Explanation:

From physics, which is directly related to math (especially when it comes to parabolic motion!), we learn that at the very top of the parabola the object has to stop for a millisecond so it can turn around and fall back to earth. This translates to a velocity of 0 at its highest point. So B.

No.of primary turns/no.of secondary equal to current in primary /current in secondary therefore 200/120=3.50/C.in secondary =2.1A

Answer:

b. able to travel through a vacuum.

Explanation:

The most distinguishing factor of an electromagnetic waves is that they are able to travel through a vacuum.

These waves do not require materials in a medium for propagation.

Taking into account the definition of Avogadro's Number, 5.029×10²⁴ atoms of zinc are in 8.35 moles.

Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.

Then you can apply the following rule of three: If 1 mole of zinc contains 6.023×10²³ atoms, 8.35 moles of zinc contains how many atoms?

amount of atoms of zinc= (6.023×10²³ atoms× 8.35 moles)÷ 1 mole

amount of atoms of zinc= 5.029×10²⁴ atoms

Finally, 5.029×10²⁴ atoms of zinc are in 8.35 moles.

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David's investment strategy should reflect his financial goals, time horizon, and risk tolerance.

David is a 60-year-old individual with moderate financial health, meaning he has a stable financial situation but may have some debt or other financial obligations. He has a short time horizon, which suggests he may need his funds in the near future for retirement or other expenses.

He has a low risk tolerance, indicating that he is unwilling to take significant risks with his investments and may prefer safer, more conservative options. Based on these factors, David may want to consider investments that prioritize capital preservation, such as bonds or fixed-income securities. He may also want to work with a financial advisor to create a diversified portfolio that balances his need for stability with potential returns.

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You can place various people into pools of water, and see if they will spontaneously float like "less dense" objects will. ... Since most of the human body is made of water, the margin of difference is so close that you get these kind of outcomes

Explanation:

Archimedes' Law. A human submerged in water weighs less (and is less 'dense') than the water itself, because the lungs are full of air like a balloon, and like a balloon, the air in lungs lifts you to the surface naturally.

ANSWER

EXPLANATION

If force F keeps the object in equilibrium

Answer:

See below

Explanation:

Find the x components of all of the forces shown, add them together, the x-component of the force F will be exactly opposite ( same magnitude but 180 degrees different)

30 cos 55  +     40 cos 205   +   50 cos 320  =  19.26    <====x component sum of all of the forces shown

F  (the x component of ) will be   Either    - 19.26   At zero degrees

                                                                 Or 19.26 at 180 degrees

Radio telescopes must be larger than optical telescopes because of the longer wavelengths of radio waves, which result in a lower diffraction limit.

The diffraction limit of a telescope is determined by its aperture size, or the diameter of its collecting area. For the Hubble Space Telescope, the diffraction limit for visible light is approximately 0.05 arcseconds. This means that the telescope can resolve structures or details that are separated by at least 0.05 arcseconds of an angle.

On the other hand, radio telescopes are much larger than optical telescopes because radio waves have longer wavelengths than visible light. The diffraction limit of a radio telescope is proportional to the wavelength of the radiation it observes. Because radio wavelengths are much longer than those of visible light, radio telescopes must be much larger in order to achieve the same level of resolution as optical telescopes.

In addition, radio telescopes can detect emissions from much larger structures in space, such as galaxies and clusters of galaxies. These emissions are typically very weak and difficult to detect, so radio telescopes must have a large collecting area in order to detect them.

To sum up, radio telescopes must be larger than optical telescopes because of the longer wavelengths of radio waves, which result in a lower diffraction limit, and the need to detect weak radio emissions from large structures in space.

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Time required by the light to get to the earth from the moon is 0.00101 seconds.

Average distance between moon and the sun is 3.84 x 10^5 m.

As we know that, light is an electromagnet wave, it does not requires a medium to travel, so it will travel with the speed of 3.8 x 10^8 m/s.

Hereby, it is known to us that,  

Speed = Distance/Time.

Time required by the light to travel from moon to the earth can be find by using,

Time = Distance/Speed

Time = 3.84x10^5/3.8x10^8

Time = 1.01 x 10^-3

Time = 0.00101 seconds.

As the speed of light taken was already in unit of Meter per second. So, the answer will be in seconds.

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Answer:

A dark fringe

Answer:

Buddo is an island and is also a martial arts

Explanation:

Answer: mmm... If you mean most like Basketball it's net ball but i don't know much about Basket ball teams

Explanation:

Answer:

Although the wave slows down, its frequency remains the same, due to the fact that its wavelength is shorter. When waves travel from one medium to another the frequency never changes.

The car's speed at the top is 0.6 m/s^2

The diameter of loop d = 40 mm

The radius of loop r = 20 mm = 0.02 m

At the top position, we can write,

Weight and Normal reaction combination will provide the centripetal force i.e.

R + W = mv²/R

R = W [apparent weight = Actual weight]

2W = 2mg = mv2/r

v = √2gr

v = 2 x 10 x 0.02 = 0.6 m/s^2

Hence, the car's speed at the top is 0.6 m/s^2

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The magnitude of the acceleration a of the astronaut during the throw of the 3.2 kg tool is determined as (18.88)/m.

Based on Newton's third law of motion, the force applied to the tool by the atronaut is equal to the force exerted on the astronaut by the tool.

Fa = - Fb

where;

Fa = (3.2 x 5.9)

Fa = 18.88 N

Fa = m x a

where;

a = Fa/m

a = (18.88)/m

Thus, the magnitude of the acceleration a of the astronaut during the throw of the 3.2 kg tool is determined as (18.88)/m.

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Answer:

80 amperes

Explanation:

Current = Voltage/Resistance

160/2 = 80

(A) The pressure transients at the mid-point of the pipeline are approximately 1,208,277 Pa.
(B) Friction in the pipeline affects the calculated pressure transients by increasing the overall resistance to flow

(a) The pressure transients at the mid-point of the pipeline can be calculated using the water hammer equation. Water hammer refers to the sudden changes in pressure and flow rate that occur when there are rapid variations in fluid flow. The equation is given by:

ΔP = (ρ × ΔV × c) / A

Where:

ΔP = Pressure change

ρ = Density of water

ΔV = Change in velocity

c = Wave speed

A = Cross-sectional area of the pipe

First, let's calculate the change in velocity:

ΔV = Q / A

Q = Flow rate = 0.12 m/s

A = π × ((d/2)^2 - ((d-2t)/2)^2)

d = Internal diameter of the pipe = 300 mm = 0.3 m

t = Pipe wall thickness = 5 mm = 0.005 m

Substituting the values:

A = π × ((0.3/2)^2 - ((0.3-2(0.005))/2)^2

A = π × (0.15^2 - 0.1495^2) = 0.0707 m^2

ΔV = 0.12 / 0.0707 = 1.696 m/s

Next, let's calculate the wave speed:

c = √(E / ρ)

E = Young's modulus of steel = 210x10^9 Pa

ρ = Density of water = 1000 kg/m^3

c = √(210x10^9 / 1000) = 4585.9 m/s

Finally, substituting the values into the water hammer equation:

ΔP = (1000 × 1.696 × 4585.9) / 0.0707 = 1,208,277 Pa

Therefore, the pressure transients at the mid-point of the pipeline are approximately 1,208,277 Pa.

(b) Friction in the pipeline affects the calculated pressure transients by increasing the overall resistance to flow. As water moves through the pipe, it encounters frictional forces between the water and the pipe wall. This friction causes a pressure drop along the length of the pipeline.

The presence of friction results in a higher effective wave speed, which affects the calculation of pressure transients. The actual wave speed in the presence of friction can be higher than the wave speed calculated using the Young's modulus of steel alone. This higher effective wave speed leads to a reduced pressure rise during the transient event.

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Almost every solid surface in our solar system is scarred by craters due to the impacts of various celestial bodies such as asteroids, comets, and meteoroids.

These objects are remnants from the early stages of our solar system's formation and continue to exist and move through space.
The scarred surfaces are a result of high-speed collisions between these celestial bodies and the solid surfaces of planets, moons, and other objects. When an object impacts a surface, it releases a tremendous amount of energy, causing an explosion and creating a crater. The size and depth of the crater depend on factors such as the size and velocity of the impacting object, as well as the composition of the surface being impacted.
Over billions of years, these impacts have accumulated and left their marks on planetary surfaces. However, the degree of cratering can vary among different celestial bodies based on factors such as their size, atmosphere, geological activity, and proximity to other objects that could influence the frequency of impacts.
Craters provide valuable insights into the history and geology of celestial bodies, as they can reveal information about past impacts, geological processes, and the age of the surface. They also serve as a record of the intense bombardment that occurred during the early formation of our solar system.

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Answer:

1. D. They can be a substance, material, object or  source of energy.

2. B. The properties will be different.

3. C. When two reactants form one product, the  reaction is spontaneous.

At the instant shown, the six scenarios can be ranked in terms of the magnitude of current in the light bulb as follows:

1) Scenario 1 - Here, the battery is directly connected to the light bulb without any other resistors in the circuit. Therefore, the current flowing through the bulb will be the maximum among all the scenarios.

2) Scenario 3 - In this case, the battery is connected to the light bulb through a resistor. However, the resistance is less compared to other scenarios, so the current will be higher than in other cases.

3) Scenario 4 - Here, the battery is connected to the light bulb through a higher resistance compared to scenario 3. This will result in a lesser current in the bulb.

4) Scenario 5 - In this scenario, the battery is connected to the light bulb through a much higher resistance than in the previous two scenarios. Therefore, the current flowing through the bulb will be lower.

5) Scenario 6 - Here, the battery is connected to the circuit in such a way that the current will bypass the light bulb. Therefore, the bulb will not light up and the current flowing through it will be zero.

6) Scenario 2 - This scenario is similar to scenario 6 where the switch is open, so the circuit is not complete, and hence there will be no current flowing through the light bulb.

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To write a program that converts degrees Fahrenheit to degrees Rankine, you can use a simple mathematical formula:

Rankine = Fahrenheit + 459.67

Here is an example of how you could write the program in Python:

python

Copy code

def fahrenheit_to_rankine(fahrenheit):

   rankine = fahrenheit + 459.67

   return rankine

fahrenheit = float(input("Enter temperature in Fahrenheit: "))

rankine = fahrenheit_to_rankine(fahrenheit)

print("Temperature in Rankine:", rankine)

Explanation:

The function fahrenheit_to_rankine takes a temperature in Fahrenheit as input and returns the equivalent temperature in Rankine.

In the function, the temperature in Rankine is calculated by adding 459.67 to the temperature in Fahrenheit. This is the mathematical formula for converting Fahrenheit to Rankine.

The user is prompted to enter a temperature in Fahrenheit using the input function, which returns the input as a string. The input string is then converted to a float using the float function.

The function fahrenheit_to_rankine is then called, passing the temperature in Fahrenheit as an argument. The returned value is stored in the variable rankine.

Finally, the temperature in Rankine is printed using the print function.

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