Which circuit would have the most electrical power?

OA. A. 1 = 2.0 A = V = 0.17 V
B. 1 = 1.2 A V = 0.14 V

​

Explanation:

s = ?           u = 0m/s        v = ?         a = 5m/s²        t = 2s

v = u + at                  

  = 0 + (5 x 2)              

  = 10 m/s                    

s = ut + 1/2 at²

= (0)(2) +  x    \(\frac{1}{2}\)  x 5 x 2²

= 10 m

Hope this helps!

The magnitude of the displacement of the object after it travelled for seven seconds is 28 m (Option A).

The displacement of an object is the change in the position of the object.

Velocity = displacement / time

How to determine the displacement from the velocity - time graph;

From the question given above, the following data were obtained:

Time = 7 s

Velocity = 4 m/s

Displacement =?

Velocity = displacement / time

4 = displacement / 7

Cross multiply

Displacement = 4 × 7

Displacement = 28 m

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Answer:

Bottle opener works on a fulcrum.

Explanation:

A bottle opener is a second-class lever because the pivot point is at one end of the opener and the load is in the middle.

By solving the given equation on [² f(u)du = t_ -L₁ €² 2 f(u)du is obtained, we can find t.= J 1+e²t / 1 + e2t / 1-e²tdt. Now, we need to solve the integral,∫ 1+e²t / (1 + e2t)(1-e²t) dt.

For this integral, let u = 1+ e²tSo, du/dt = 2e²And, dt = du/2e²= 1/2e² ∫1+e²t / (u)(1-e²t) du= 1/2e² ∫ (1/u) - (e²/(1-e²t)) du= 1/2e² [ln|u| - ln|1-e²t|] + c.

Now, substituting back the value of u,= 1/2e² [ln|1+ e²t| - ln|1-e²t|] + c= 1/2e² ln|1+ e²t / 1-e²t| + c.

Now, putting the limits in the above expression and solving it, we get the value of t.= [1/2e² ln|1+ e²t / 1-e²t|] t = 1 2t / [1 + e²t] - L₁ 2t / [1-e²t].

Hence, the answer is D) f(t)= 2t / [1 + e²t] - L₁ 2t / [1-e²t].

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So the amount of work done by us needed to displace the object at the

height of 1.5m is W=37.5J

The further a planet is from the Sun, the colder its surface temperatures tend to be. Venus is an exception, since it has the highest surface temperature in our solar system due to its close closeness to the Sun and its thick atmosphere.

The inner planets are rocky, whereas the outer planets are gaseous, which can be attributed to the early solar system's temperature. The solar system's temperature increased as the gases came together to create a protosun. Temperatures in the inner solar system reached 2000 K, whilst in the outer solar system, it was only 50 K.

The quantity of heat received is just one of many intricate aspects that go into determining the temperature.

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The direction of the coefficient can be either positive or negative.

Coefficients are numerical values that represent the relationship between variables in a statistical model, such as a regression analysis. The direction of the coefficient refers to whether it has a positive or negative sign.

A positive coefficient indicates a positive relationship between the variables. This means that as the value of one variable increases, the value of the other variable also tends to increase. For example, in a regression model predicting sales based on advertising expenditure, a positive coefficient for the advertising variable suggests that as the amount spent on advertising increases, sales are expected to increase as well.

On the other hand, a negative coefficient indicates a negative relationship between the variables. In this case, as the value of one variable increases, the value of the other variable tends to decrease. For instance, in a regression model examining the impact of studying time on exam scores, a negative coefficient for the studying time variable implies that as the amount of time spent studying increases, exam scores are expected to decrease.

It's important to note that the magnitude of the coefficient also matters. A larger positive or negative coefficient indicates a stronger relationship between the variables, while a coefficient close to zero suggests a weak or negligible relationship.

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The capacitance of a silicon p-n junction can be calculated using the formula C = (εA)/(d), where C is the capacitance, ε is the permittivity of silicon, A is the area of the junction, and d is the width of the depletion region.

Given:

nd = 2 × 10^15 cm^-3

Area (A) = 0.005 cm^2

Reverse bias voltage (V) = 1 V, 5 V, 10 V

To calculate the capacitance, we need to determine the width of the depletion region (d). The depletion region width can be approximated using the equation d = sqrt((2εV)/(e·nd)), where e is the elementary charge.

Using the given values and the formula, we can calculate the capacitance at each reverse bias voltage by substituting the values of d and A into the capacitance formula.

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The total displacement of the ponies in the new pasture is 20m in the East direction.

The change in position of an object is measured by two physical quantities namely Distance and Displacement.

Distance is the total path traveled by the object. It is a scaler quantity. It can never be zero for a moving object. Also, its value can never be negative.

Displacement is the length of the shortest path connecting the initial and final position of the object. It is a vector quantity. Its value can be negative or zero for a moving object.

Given in the question, the pony moves 40m in the North direction and 40m in the South direction. These Directions are opposite to each other and cancel out each other. So the net displacement is only due to the movement of 20m in the East direction.

So Total Displacement = (40m North) - (40m South) + (20m East)

Total Displacement = 20m East

Hence, the total displacement of the ponies in the new pasture is 20m in the East direction.

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Answer:

the answer is b as cenvection only occurs through movement of liquids and gases

Explanation:

Answer:

the answer is b

the signs of the three charges are positive since the electric field lines point away from them. The magnitude of the electric field is the smallest at the midpoint between the charges because the electric fields produced by each individual point charge cancel each other out at this point.

(a) The signs of the three charges can be determined by observing the electric field lines. The direction of the electric field lines shows the direction of the electric field. According to the question, the electric field lines are shown due to three point charges arranged along the vertical axis. Since the electric field lines are pointing away from the charges, we can conclude that all three charges are positive. This is because positive charges create electric fields that point away from them.

(b) The point(s) where the magnitude of the electric field is the smallest can be determined by analyzing the configuration of the charges. In this case, the charges are arranged along the vertical axis. The magnitude of the electric field is the smallest at the midpoint between the charges. This is because the electric fields produced by each individual point charge cancel each other out at this point.

To understand how the fields produced by each individual point charge combine to give a small net field at this point, we can consider the principle of superposition. According to this principle, the total electric field at any point is the vector sum of the electric fields produced by each individual charge. In this case, the electric fields produced by the charges have equal magnitudes but opposite directions. Therefore, at the midpoint, the electric fields cancel each other out, resulting in a small net field or even no field at all.
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The magnitude of the electric force on the charge is 5 N.

The magnitude of force on the charge is calculated as follows;

F = Eq

where;

F = 100 N/C  x 0.05 C

F = 5 N

Thus, the magnitude of the electric force on the charge is 5 N.

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Answer:

5n downward

Explanation:

took the assignment

Resistance (R) = 9.375 ohm (Ω)

Steps:

\(R = \frac{V}{I} \)

\( = \frac{12 \: volt}{1280 \: milliampere} \)

\( = \frac{12 \: volt}{1.28 \: ampare} \)

\( = 9.375 \: ohm (Ω)\)

Answer:

277.9 J

Explanation:

We are given that

Mass,m=3.5 kg

Height=3 m

Speed,v=10 m/s

Kinetic energy of baseball=\(K.E=\frac{1}2}mv^2\)

\(K.E=\frac{1}{2}(3.5)(10)^2=175 J\)

Potential energy of baseball=P.E=mgh

g=\(9.8m/s^2\)

Substitute the values

Potential energy of baseball=\(3.5\times 9.8\times 3=102.9 J\)

Total mechanical energy=K.E+P.E

Total mechanical energy=175+102.9=277.9 J

Answer:

D all of these

Explanation:

Extrinsic statements originate in parents ,society and teachers. Option D is correct.

Extrinsic motivation is defined as conduct motivated by external incentives. Extrinsically driven people will continue to do something even if it isn't pleasurable or rewarding in and of itself.

These incentives might be monetary or intangible in nature, such as acclaim or renown. Extrinsic motivation is distinct from intrinsic motivation in that it is only motivated by external incentives.

Extrinsic statements originate in;

a. Parents

b. Society

c. Teachers.

Extrinsic statements originate in all of the above given option.

Hence, option D is correct.

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Answer:

yes

Explanation:

...........................

Answer:

wrong answer because m=100

Explanation:

I think it is incorrect

Ah, I tried

The four dimensions are volume, diversity, velocity, and truth, according to IBM data experts.

D is the ideal choice.

volume, variety, speed, and reliability

Big data is divided into four aspects by IBM data scientists: quantity, diversity, speed, and truthfulness. This infographic describes each and provides examples.

Volume, the first of the five "V's" of big data, refers to the total amount of data. Volume is similar to the foundation of big data because it represents the initial size and volume of data that is gathered. Big data can be used to describe data that is sufficiently enormous in volume.

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Answer:

v = 2.3166977808068 m/s

Explanation:

v=\(\sqrt{\frac{KE}{\frac{1}{2}}m}\)

KE: 212J

M: KG

V: 2.3166977808068 m/s

Answer:

Explanation: I know that people'strength vary on what they can lift.

Answer:

A

Explanation:

Hope this helps. Please if you need more information let me know

Power may be characterized as the total amount of energy that is transferred or converted per unit of time. The SI Unit of power is Watt.

Power is the product of voltage and current. With an electronic circuit, the amperage is the amount of electric charge that flows through the wire, while the voltage is the amount of electric potential within a circuit.

By multiplying the voltage times the ampere, you can see how much energy can flow through the circuit. The energy, or power, is measured in watts.

Power in Watts is calculated by multiplying voltage in Volts times current in Amps: 10 Amps of current at 240 Volts generates 2,400 Watts of power. This means that the same current can deliver twice as much power if the voltage is doubled.

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When curling the hair for a thermal design, a hard-rubber or nonflammable comb should be positioned near the base of the hair section.

This is because the heat from the curling iron or other thermal tool can cause the comb to melt or become damaged if it is too close to the heated area. Placing the comb near the base of the hair section also helps to create a smooth and even curl.

Additionally, using a nonflammable comb helps to prevent any potential fire hazards that could occur if a plastic comb were to come into contact with the heat source. Overall, positioning the comb properly and using the right type of comb are important factors in achieving a safe and effective thermal design.

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Answer:

2 1 1

Explanation:

Answer:

211

Explanation:

Answer:Explanation:

Protons and neutrons have very similar mass, while electrons are far lighter, approximately 11800 times the mass. Protons are positively charged, neutrons have no electric charge, electrons are negatively charged. The size of the charges is the same, the sign is opposite.

Answer:

imma try nd help cuz i havent seen anybody answer so

1.sara

2.same for both

3.tom

Explanation:

The magnetic field is in perpendicular to both of electric field and the EM wave and its magnitude will be E/c. where c be velocity of light.

EM waves are another name for electromagnetic waves. When an electric field interacts with a magnetic field, electromagnetic waves are created. These electromagnetic waves make up electromagnetic radiations. It is also possible to say that electromagnetic waves are made up of magnetic and electric fields that are oscillating. The basic equations of electrodynamics, Maxwell's equations, have an answer in electromagnetic waves.

According to question: an  electromagnetic wave moves to the right and  electric field's direction is out of the page.

So, magnetic field is in perpendicular to both of electric field and the EM wave and its magnitude will be E/c. where c be velocity of light.

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The amount of heat or energy that is lost when the water is cooled is 1,024.1 J.

The amount of heat lost is calculated by applying the formula for heat capacity of water as shown below;

Q = mcΔT

where;

The amount of heat or energy that is lost when the water is cooled is calculated as follows;

Q = 3.5 g x 4.18 J/gC x (90 C - 20 C)

Q = 1,024.1 J

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ANSWER

False.

EXPLANATION

In radioactive decay (or nuclei decay), an unstable nucleus emits radiation into a nucleus that is table and has less energy and a lower mass.

Therefore, nuclei decay from a less stable form to a more stable form.

The answer is false.

This is because your basal metabolic rate, or BMR, decreases as you age.

Your body burns calories at rest to maintain essential bodily processes like breathing, circulation and cell growth and repair which is referred to as BMR.

Age-related changes in body composition including an increase in body fat and a loss of muscular mass can result in a reduction in BMR.

Therefore, To maintain a healthy weight and overall health as you age, it is crucial to pay attention to your food and physical activity levels. Maintaining a healthy BMR and avoiding weight gain can be achieved by eating a well-balanced diet with sensible portion sizes and exercising frequently.

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