A researcher wishes to produce a 1.2-t magnetic field at the center of a 5-turn circular loop of diameter 15 cm. approximately what current in the loop is required to produce this field?

Answer:

The substance of the physical world; anything that occupies space or has substance. An organized way of scientists to gather and pursue scientific knowledge. Consists of three main components: Hypothesis, Observation, and Experimentation. One of the main components of the Scientific method.

Explanation:

The album that is most frequently cited as the beginning of fusion is "In a Silent Way" by Miles Davis. Released in 1969, it is often regarded as a groundbreaking and influential work that marked a significant shift in jazz and the emergence of fusion music.

"In a Silent Way" showcased a departure from Davis' previous acoustic jazz sound and incorporated elements of electric instruments, studio production techniques, and improvisational freedom. The album blended jazz with elements of rock, funk, and electronic music, creating a unique and experimental sonic landscape. The musicians involved in the recording, including Wayne Shorter, Herbie Hancock, and John McLaughlin, went on to become key figures in the fusion genre. This album laid the foundation for future fusion developments, influencing artists across various genres. Its atmospheric, ethereal, and exploratory nature set the stage for the fusion movement of the 1970s, which further integrated jazz with elements of rock, funk, and other genres. "In a Silent Way" remains a pivotal work in the history of fusion, symbolizing the fusion of diverse musical styles and the limitless possibilities of blending genres in innovative and creative ways.

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Answer:

Force pull the child up. With the springs and the weight when you jump.

Answer:

I do believe it is A.

Explanation:

I hope this helps :)

Answer:I believe it is A

Explanation: B just doesn't seem like something an 8th grader would be learning about, and I'm not sure about the other ones.

From the calculation;

1) Melting point of indium = 171.4°

2) The resistance is 52.9 ohm

3) The power dissipated is  834 W

The temperature coefficient of resistance is a measure of how much the resistance of a material changes with temperature. It quantifies the relationship between the change in resistance and the change in temperature.

We have that;

R1/R2 = (1 + αt1)/(1 + αt2)

50/76.8 = (1 + (3.92 * \(10^-3\) * 20))/(1 +  (3.92 *\(10^-3\) * t))

0.65 = 1.0784/1 + 0.00392t

0.65(1 + 0.00392t) =  1.0784

0.65 + 0.0025t = 1.0784

t = 171.4°

P = \(V^2\)/R

R = \(V^2\)/P

R = \(230^2\)/1000

R = 52.9 ohm

The new power is;

P =\(210^2\)/52.9

P = 834 W

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Answer:

what?

Explanation:

Answer:

B - 813.16 m

Explanation:

First, find the time it takes to land.  Given in the y direction:

Δy = 100 m

v₀ = 0 m/s

a = 9.8 m/s²

Find: t

Δy = v₀ t + ½ at²

100 m = (0 m/s) t + ½ (9.8 m/s²) t²

t = 4.52 s

Now find the distance traveled in that time.  Given in the x direction:

v₀ = 180 m/s

a = 0 m/s²

t = 4.52 s

Find: Δx

Δx = v₀ t + ½ at²

Δx = (180 m/s) (4.52 s) + ½ (0 m/s²) (4.52 s)²

Δx = 813.16 m

What is the tangential acceleration of a gyroscope flywheel?

The tangential acceleration can be calculated as follows:

The equation of tangential acceleration is:

\(a_{t}=a_{}\)·\(r\)

Where, \(a_{t} =\) tangential acceleration

\(a\) = radial acceleration

\(r\) = radius of flywheel

\(a_{t} =\) (11.1 \(\frac{rad}{s^{2} }\))·(3.38cm)

\(a_{t}\) = 37.518\(\frac{rad}{s^{2} }\)

The tangential acceleration is 37.518\(\frac{rad}{s^{2} }\)

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Answer:

Answer:

2 in front of water and 1 in front of oxygen

Explanation:

This question is describing balancing a chemical reaction. A balanced chemical reaction has the same number of atoms of each elements on both the reactant and product side. According to the question, the reactants contains 4 atoms of oxygen. The reactants give rise to water (H20) and O2 in the products side.

This reaction is most likely the decomposition of hydrogen peroxide (H2O2) as follows:

H2O2 (l) ----> H2O (l) + O2(g)

Based on the description, H2O2 will be 2H2O2 as it is said to contain four atoms of oxygen. This means that, in order to have a balanced equation, we must place coefficient 2 in front of water and coefficient 1 in front of oxygen. That is;

2H2O2 (l) ----> 2H2O (l) + O2(g)

Explanation:

Answer:

2 in front of water and 1 in front of oxygen

Explanation:

i took the test and got 100 so it has to be right ;)

The resultant force is 12.6N at a bearing of 3°W of N. The direction of motion of the body is the same as the direction of the resultant force, which is 3°W of N.

A triangle of vectors can be used to solve vector addition problems, such as determining the resultant force and direction of motion of a body acted upon by two or more vectors.

Let's use this method to solve the given problem: Two vectors, 10N and 8N, act on a body on bearings 285° and N70°E respectively.

Using the triangle of vectors, we can determine the resultant force and direction of motion of the body.

1. Draw a diagram to scale, showing the two vectors and their respective bearings.

2. Begin by drawing the first vector, 10N, from the origin at bearing 285°.

3. Draw the second vector, 8N, from the end of the first vector at bearing N70°E.

4. Draw the third vector, the resultant force, from the origin to the end of the second vector.

5. Use a protractor and ruler to measure the magnitude and bearing of the resultant force.

The diagram is shown below: Triangle of vectors diagram using the two vectors 10N and 8N, with bearings 285° and N70°E respectively.

The third vector, the resultant force, is drawn from the origin to the end of the second vector.

The magnitude and bearing of the resultant force are found using a protractor and ruler.

6. Measure the magnitude of the resultant force using the ruler.

In this case, the magnitude is approximately 12.6N.

7. Measure the bearing of the resultant force using the protractor.

In this case, the bearing is approximately 3°W of N.

Therefore, the resultant force is 12.6N at a bearing of 3°W of N.

The direction of motion of the body is the same as the direction of the resultant force, which is 3°W of N.

Therefore, the body will move in this direction.

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Answer:

Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

Explanation:

ples give a crown

To solve this problem, we can use the equations of motion. The initial velocity (u) is 0 m/s, the final velocity (v) is 5.95 m/s, and the acceleration (a) is 0.365 m/s².

(a) To find the distance traveled (s), we can use the equation:

v² = u² + 2as

Plugging in the values, we have:

(5.95 m/s)² = (0 m/s)² + 2 * 0.365 m/s² * s

35.4025 m²/s² = 0.73 m/s² * s

s = 35.4025 m²/s² / 0.73 m/s²

s ≈ 48.49 m

Therefore, the swan will travel approximately 48.49 meters before becoming airborne.

(b) To find the time taken (t), we can use the equation:

v = u + at

Plugging in the values, we have:

5.95 m/s = 0 m/s + 0.365 m/s² * t

5.95 m/s = 0.365 m/s² * t

t = 5.95 m/s / 0.365 m/s²

t ≈ 16.30 s

Therefore, it will take approximately 16.30 seconds for the swan to become airborne.

Note: These calculations assume constant acceleration and neglect other factors such as air resistance.

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the electric field is more than the threshold value and the capacitor will experience dielectric breakdown.

1. Given values are,
side length of metal plates, a = 3 cm and b = 6 cm
distance between the plates, d = 2.36 cm
voltage, V = 110 V
dielectric constant of water, k = 80.4
dielectric constant of new material, k2 = 3.75
a) To calculate the capacitance of capacitor, the formula is, C=εA/d  ……………… (1)
where A = area of plate, ε = permittivity, and d = separation distance between two plates.
We know that the permittivity of vacuum is given as, ε0 = 8.854 x 10^-12 F/m
The capacitance of capacitor can be expressed as,
C1 = ε0 (kA/d) …………….. (2)
where, ε0 = permittivity of vacuum, k = dielectric constant and A = area of plate.
Substituting the given values in equation (2),
C1 = 8.854 x 10^-12 x 80.4 x (0.03 x 0.06)/0.0236
C1 = 0.000132 F
Therefore, the capacitance of capacitor is 0.000132 F.

b) To calculate the new capacitance, the formula is given as,
C2 = k2ε0A/d ……………… (3)
where k2 is the dielectric constant of new material.
Substituting the given values in equation (3),
C2 = 3.75 x 8.854 x 10^-12 x (0.03 x 0.06)/0.0236
C2 = 0.000263 F
Therefore, the new capacitance is 0.000263 F.

c) The new voltage can be calculated as,
V2 = V1(C1/C2) …………… (4)
Substituting the given values in equation (4),
V2 = 110 (0.000132/0.000263)
V2 = 55 V
Therefore, the new voltage is 55 V.

d) The charge on each plate is given as,
Q = CV ………….. (5)
Substituting the given values in equation (5),
Q = 0.000132 x 110
Q = 0.0145 C
Therefore, the charge on each plate is 0.0145 C.

2. Given values are,
capacitance, C = 3.23 µF
area of plate, A = 6.35 mm^2
separation distance between two plates, d = ?
new capacitance, C2 = 5.63 mF
new dielectric constant, k2 = ?
voltage, V = 110 V
electric field between two plates, E = 8.99 x 10^4 N/C
working voltage, Vw = 63 V

a) The separation distance between two plates can be calculated as,
C1/C2 = d2/d1  …………….. (6)
where d1 and d2 are the initial and final separation distance, respectively.
Substituting the given values in equation (6),
3.23 x 10^-6/5.63 x 10^-3 = d2/d1
d2 = 5.63 x 10^-3 x (d1/3.23 x 10^-6)
Area of plate, A = 6.35 mm^2 = 6.35 x 10^-6 m^2
The capacitance can be expressed as,
C = εA/d
d = εA/C
where ε = permittivity of dielectric material.
Therefore, substituting the given values in above equation,
d1 = ε x 6.35 x 10^-6/3.23 x 10^-6
d1 = 12.50 ε
Substituting the value of d1 in equation (6),
5.63 x 10^-3 = d2/12.50 ε
d2 = 70.38 ε
The separation distance between two plates is 70.38 ε.

b) The new dielectric constant can be calculated as,
C2 = k2ε0A/d2
k2 = C2d2/ε0A
Substituting the given values in above equation,
k2 = 5.63 x 10^-3 x 70.38 ε/(8.854 x 10^-12 x 6.35 x 10^-6)
k2 = 3.95
Therefore, the new dielectric constant is 3.95.

c) The new voltage can be calculated as,
V2 = V1(C1/C2)
Substituting the given values in above equation,
V2 = 110(3.23 x 10^-6/5.63 x 10^-3)
V2 = 0.063 V
Therefore, the new voltage is 0.063 V.

d) The electric field can be expressed as,
E = V/d
d = V/E
Substituting the given values in above equation,
d = 63/8.99 x 10^4
d = 7.01 x 10^-4 m
The voltage, V = 110 V > working voltage, Vw = 63 V

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The mass of the heated air is 2475000 kg.

The heat capacity of a sample of a substance is equal to the mass of the sample divided by the specific heat capacity of the substance (symbol c) in thermodynamics.

Informally, it is the quantity of heat that must be added to one unit of a substance's mass in order to raise its temperature by one unit.

The specific heat capacity of air =  1.0 × 10³ J/kg °C.

Hence, the mass of the heated air is =

( 4.5 x 10⁷ × 55) ÷ ( 1.0 × 10³ ) kg

= 2475000 kg.

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A) OF = 2.25 x 10-6 N in the -i direction, E = 2.25 x 103 N/C in the -i direction and f = -i.  The direction of the force on the test charge is opposite to the direction of the electric field due to Coulomb's law.

The magnitude of the force and electric field are equal as the test charge is positioned such that the electric field is uniform and proportional to the force. The use of unit vector notation simplifies the representation of the force vector, making it easier to perform vector operations and compare forces in different scenarios. The expression for the force in unit vector notation, f = -i, simply represents the force as a vector in the -i direction with magnitude equal to the magnitude of the force. This notation makes it easier to perform vector operations, such as addition and subtraction of forces, and to compare forces in different situations.

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The particles in Figure 22.46 exhibit signs of both positive and negative charges.

In Figure 22.46, the presence of both positive and negative charges can be inferred based on the observed behavior of the particles. The interaction between charged particles can be explained through the principles of electrostatics. When two particles carry the same type of charge, they repel each other, while particles with opposite charges attract each other.

By observing the behavior of the particles in Figure 22.46, we can identify the signs of their charges. For instance, if two particles move away from each other or repel each other, it indicates that they possess the same charge. This behavior is characteristic of particles with either positive or negative charges.

Conversely, if two particles move closer together or attract each other, it suggests that they possess opposite charges. This behavior is indicative of particles with opposing charges, where one carries a positive charge and the other carries a negative charge.

It's important to note that the exact nature of the charges cannot be determined solely based on the behavior of the particles in Figure 22.46. Further information or experimental data would be required to ascertain whether the charges are positive or negative. Nevertheless, the observed repulsion and attraction between the particles provide clear indications of the presence of both positive and negative charges.

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Answer:

Below

Explanation:

Since F = ma       and F = same for both

   the one with 15 times the mass will have 1/15th the acceleration

Answer:

i say amen to that brother a big amen

Answer:

C

Explanation:

The pair that has the biggest electronegativity difference between the two atoms at the top of your list is given below:

In a covalent bond, an atom's ability to draw shared electrons is referred to as electronegativity. The strength with which an element attracts the shared electrons depends on the value of its electronegativity.

Therefore, An atom's or functional group's propensity to draw electrons to itself is known as electronegativity, which is a chemical property. An atom's electronegativity is influenced by both its atomic number and the separation of its valence electrons from its charged nuclei.

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See full question below

Put the pairs of atoms in order, with the pair that has the biggest electronegativity difference between the two atoms at the top of your list. Fluorine and Francium, Phosphorus and lithium, nitrogen and sodium, Chlorine and cesium, nitrogen and sulfur.

Answer:

Acceleration is the rate of change of velocity. What is commonly said as ‘ten meter per second squared’ can bee broken down into ‘ten meter per second per second.’ This gives us the true meaning of the term acceleration.

Just like ‘ten meter per second’ means increasing the displacement by ten meters every second, ‘ten meter per second per second’ means increasing the velocity by ten meters per second every second.

So, basically if you consider the case of a free fall motion, where ‘t’ stands for time and ‘v’ stand for velocity at that instant:

At,

t=0, v=0 m/s

t=1, v=0+10 m/s;

t=2, v=0+10+10 m/s;

t=3, v=0+10+10+10 m/s;

This can also be thought as a Arithmetic Progression where common difference ‘D’ is the acceleration(a), since it adds a 10 m/s to velocity every second and the first term ‘A’ stands for the initial velocity (u). Using this approach we can derive to the first equation of motion:

v = u + at

Hope this Answer Helps!!

Explanation:

plz mark me as a brainlest and thank my answer

It means that the vehicle's speed increases at the rate of 10m/s every second.

At any time, it's speed is 10 m/s faster than it was 1 second earlier.

Given:

The initial height of the ball, h=1.6 m

The initial speed of the ball, u=14 m/s

To find:

a) The time of flight of the ball.

b) The range of the ball.

Explanation:

As the ball is thrown horizontally, the ball will have no vertical component of the initial velocity. The velocity of the ball is completely horizontal.

Thus the vertical component of the initial velocity of the ball is u_y=0 m/s.

The horizontal component of the initial velocity of the ball is u_x=u=14 m/s.

a)

From the equation of motion,

Where g is the acceleration due to gravity and t is the time of flight of the ball.

On substituting the known values,

b)

The range of the ball is given by,

On substituting the known values,

Final answer:

a) The time of flight of the ball is 0.57 s

b) The range of the ball is 7.98 m

Answer:

1. Which statement correctly describes the classification of chemical reactions into different categories?

-Not all reactions fit into a category, and some reactions can fit into more than one category.

2. In a synthesis reaction, two atoms of sodium (Na) combine with one molecule of chlorine gas (Cl2) to produce sodium chloride (NaCl). How many molecules of sodium chloride are produced?

-Two

3. In the decomposition of water, why is twice as much hydrogen as oxygen formed?

- There are two atoms of hydrogen and one atom of oxygen in a water molecule.

4. Which component is transferred between substances in an oxygen-reduction reaction?

-Electrons

5. In a chemical reaction, substance A transfers electrons to substance B. Which statement is correct?

-Substance B is reduced and acts as the oxidizing agent.

Hope that helps!!

Substance B is reduced and acts as the oxidizing agent.

REDOX REACTION:

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Without the specific reading from the noncontact ammeter, it is not possible to determine the current flowing through the circuit.

To obtain the current value, you need to use the noncontact ammeter according to its instructions. Typically, a noncontact ammeter measures current by detecting the magnetic field generated by the current-carrying conductor. By positioning the ammeter close to the conductor, it can measure the magnetic field strength and calculate the corresponding current. To obtain an accurate reading, ensure the ammeter is properly calibrated and positioned correctly. Once the measurement is taken, the displayed value on the ammeter will indicate the current flowing through the circuit.

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Answer:

I can't really see it sorry

Tech A's point is correct as Tech A says that one advantage of distributor less ignition systems is no moving parts to maintain.

Ignition system have following merits:-

Less voltage loss, from the coil to the plug.

However with fewer connections and the elimination of the distributor rotor to cap air gap.

So, the evolution of ignition systems, has provided a number of merits.

As a result, drivers driving with newer systems enjoy better fuel efficiency; infact more reliable operation with reduced maintenance costs.

The position sensors, are equipped with a magnetic coil, generating a magnetic field. So, when the gap of a triggering wheel, comes in front of the position sensor; a fluctuation in the signal is likely to occur. These signals then stop or start, the flow of current, to the primary winding of the coil cannot be tested with voltage measuring device.

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Answer:

radiation!

Explanation:

Answer: Radiation is the thermal transmission of heat energy across space.

Explanation:

Answer:

1.A

2.C

3.B

4. i.dk about that one

Explanation:

1. It is true that Tracking your exercise can help you stick with an exercise routine.

2. Yes, it is best to do as many different kinds of exercise as possible.

3. Building muscle strength helps with all aspects of fitness

4. Yoga would be the best exercise to achieve this goal.

Exercise is any activity that utilizes the physical movements of the body that improves a people's health, endurance, and wellbeing while lowering their chance of contracting illnesses. It enables the person to keep their body weight in a healthy weight range.

The benefits of fitness fluctuate depending on the sort of dying a person experiences. Even if a muscle is stretched, excessive sitting can cause a number of illnesses, many of which are fatal. The individual should engage in mobility activities as well as exercising to improve their stamina.

Thus, exercise is very necessary for health.

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Answer: 10000 mm's

Explanation: Online calculator to convert meters per second to millimeters per second (m/s to mm/s) with formulas, examples, and tables.