If an engine can produce 670 J of energy in 1 min, how many watts can it output?

4.40 times 103 yd is not equivalent to 2.50 miles.

So, the correct answer is D.

To determine which of the given options is not equivalent to 2.50 miles, we need to convert 2.50 miles to the respective units given in the options.

2.50 miles is equivalent to 4.02 times 103 km, which rules out option (c).

Now, we need to convert 2.50 miles to ft and in to compare with options (a), (b), and (e). 2.50 miles = 1.32 times 104 ft, which matches option (a), so it is equivalent to 2.50 miles.

Finally,

2.50 miles = 1.32 times 104 ft = 1.58 times 105 in, which matches option (e).

Therefore, the answer is option (D), 4.40 times 103 yd, as it is not equivalent to 2.50 miles.

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Answer:

no sabo por q no mi entender

From Coulomb's law, the sets of charges of +2 C and -2 C, and +2 C and +2 C are experiencing the strongest forces, both with a magnitude of 36 N.

The strength of the electrostatic force between two charges depends on the magnitudes of the charges and the distance between them, as given by Coulomb's law. The larger the magnitude of the charges and the smaller the distance between them, the stronger the force.

A fundamental characteristic of matter called charge describes how it interacts with magnetic and electric fields. It is commonly measured in coulombs (C), can be positive or negative, and can also be zero.

Protons and electrons are examples of subatomic particles that have electric charge.

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\( \large \mathfrak{Solution : }\)

Capicity of the septic tank is :

(i) capicity = 24 m³

(ii) capicity = 24 × 1000000 = 24000000 litres (cm³)

The tension in the string if a rod PR is balanced on a pivot at the end R while a string is used to support the rod at P is 6 N

Moment = Force * Perpendicular Distance

Let us consider the pivot side be initial point,

Since the rod is balanced,

CM = ACM

CM = Clockwise moment

ACM = Anticlockwise moment

F = 9 N

PQ = 15 cm = 0.15 m

QR = 30 cm = 0.3 m

PR = PQ + QR

PR = 0.15 + 0.3

PR = 0.45 m

CM = W * QR

CM = 9 * 30

CM = 2.70 N m

ACM = T * PR

ACM = 0.45 T N m

2.70 = 0.45 T

T = 6 N

Therefore, the tension in the string is 6 N

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Answer:

75mph

Explanation:

you multiply 33.528 by 2.237.

Your hand feels colder when it transitions from warm to "colder" (room temperature) water.

Your hand feels colder when you move it from the warm water to the "colder" (room temperature) water. Skin surface temperature will decrease in a constant ambient environment as a result of sympathetic nerve activity increasing and blood flow decreasing as a result of cutaneous receptors triggered by ice-water immersion of one hand in the palm skin of the non-immersed opposite hand.

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Answer: large reflector located in orbit above the Earth's atmosphere

Explanation:

Since the student wants to see the big weather patterns in the upper atmosphere of the planet, and she will therefore need to have excellent resolution, the type of telescope that is ideal for her to use is a large reflector located in orbit above the Earth's atmosphere.

It should be noted that the refractor or a radio telescope isn't ideal in this situation as they will not capture the bug weather pattern and doesn't have an excellent resolution like the large reflector.

A. Total momentum in a closed system is conserved

the law of momentum conservation states that The total amount of momentum before the collision is the same as the total momentum after the collision. Regardless of the change of momentum of each object.

Answer:

Use the drop-down menus to complete the statements.

All protists live in environments that are

✔ wet

.

All protists must

✔ reproduce

.

All protists have

✔ a nucleus

.

All protists make or consume

✔ food

Explanation:

I got it right hope its the right one

Answer:

Use the drop-down menus to complete the statements.

All protists live in environments that are  

✔ wet

.

All protists must  

✔ reproduce

.

All protists have  

✔ a nucleus

.

All protists make or consume  

✔ food

.

Explanation:

By applying the correspondent change of scale, we will see that Earth should be placed 214.8m away from the scale sun.

The real radius of the Sun is:

R = 696,340 km

And the radius of the scale Sun is 1m, then we have the relation:

1m = 696,340 km

1 = (1m/696,340 km)

Now, the real distance between the Sun and Earth is:

d = 149,600,000 km

If we apply the change of scale we have above, we will get:

d =  149,600,000 km*(1m/696,340 km) = 214.8m

So the Earth should be placed at 214.8m of the ball that represents the sun.

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Answer:

The will be C, but correct me if i am wrong

Answer:

D is the answer. Force can change the shape and size of an object.

A force that resists motion of two surfaces that are touching is known as friction.

when attempting to slide an object across two surfaces, there is resistance. When "rough edges" interact at the molecular level, friction results: Every time there is friction, the direction of motion is reversed.

The force that opposes motion when the surface of one object rubs against the surface of another is known as friction.

opposing forces These comprise: Friction is a force that tries to stop two surfaces from slipping or sliding when they are in contact. The motion is countered by air resistance, which acts.

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The electrical energy is transformed in the lightbulb at the rate of 0.78 W.

Given, Resistance of the light bulb, R = 2.9 ohms, Voltage of the battery, V = 1.5 V

Now we know that the power dissipated by the light bulb can be calculated by using the formula;

P = V²/R

Substituting the values we get;

P = (1.5 V)² / 2.9 Ω

= 0.78 W

Therefore, the electrical energy is transformed in the lightbulb at the rate of 0.78 W.

The formula for Power is given as:

P = VI where P is power, V is the voltage, I is the current

Substituting the values we get;

P = V²/RP

= (1.5 V)² / 2.9 Ω

P = 2.25 / 2.9P

= 0.78 W

Therefore, the electrical energy is transformed in the lightbulb at the rate of 0.78 W.

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Answer:

ntensive properties: A physical property that will be the same regardless of the amount of matter.

Explanation:

Answer:

    flow of electron is just opposite to the flow for current. Electrons flow from the negative terminal to the positive. Conventional current or simply current, behaves as if positive charge carriers cause current flow. Conventional current flows from the positive terminal to the negative.

Answer:

See below

Explanation:

We know that the unit of pressure is Pascal.

We have,

Pressure = \( \frac{force}{area} \)

\( = \frac{m \times g}{l \times b} \)

\( = \frac{kg \: \times \: {meter \: per \: second \: }^{2} }{ {m}^{2} } \)

\( = kg \: {m}^{ - 1} \: {s}^{ - 2} \)

The unit of pressure i.e Pascal is derived unit because it is expressed depending on more than two units i.e kg / [ m × s × s ]

Hope this helps..

best regards!!

Answer:

0,3

Explanation:

force = mass ×accelaration

Answer:

Osmium

Explanation:

Because Osmium has the highest numberic value

The voltage across one of the lamps will be 220V. This is because when components are connected in parallel, the voltage across each component is the same as the voltage across the source.

Voltage is a measure of the potential difference in electrical energy between two points. It is measured in volts and is the electrical force that causes current to flow in an electrical circuit. Voltage is the energy per unit charge that causes a current to flow through a conductor. It can be compared to the pressure of water in a pipe, where the greater the pressure, the more water that can be pushed through the pipe. Voltage is the primary factor in determining the amount of electrical current that can be produced in an electrical circuit. Voltage is also related to the amount of power that can be produced in an electrical circuit. Voltage can be generated by a variety of sources, such as batteries, generators, and rectifiers.

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the answer is 150 000 s2

The average speed of the swimmer is equal to 1 m/s.

The average speed can be defined as the total distance traveled by the object in a specific time interval. The average speed can be defined as a scalar quantity as it possesses only the magnitude and does not have any direction.

The average speed can be determined from the ratio of the total distance the object covers to the time taken to travel that distance.

The equation for average speed can be written as follows:

Average speed =  Total distance/Total time taken

Given, the distance covered by the swimmer = 50 m

The total time taken by the swimmer = 50 sec

The average speed of the train = 50/50 = 1 m/s

Therefore, the average speed of the swimmer is equal to 1 m/s.

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Answer:

17.215 m/s^2

Explanation:

L = 0.825 m

It completes 397 oscillations in 546 s.

Time period is defined as the time taken to complete one oscillation.

So, Time period, T = 546 / 397 = 1.375 s

Let g be the gravitational acceleration at that planet.

Use the formula for the time period

g = 17.215 m/s^2

All stars spend most of their lives on the main sequence is a result of it having enough hydrogen which is an important component and acts as the fuel for energy production used to ensure it remains in the main sequence.

Every star has a lot of hydrogen and which is a vital element every star has lots as it encourages the burning of hydrogen into helium which helps to put the stars in the main sequence during most of their lives.

The mass of the stars is also a determinant factor as the more mass a star the more amount of Hydrogen it uses and the less time it takes to remain in the main sequence.

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One mole of an ideal gas at STP (22.4 L), we get approximately 1830 moles of air in the room.

The entropy of the air in the room can be estimated to be approximately 1.1 × 10²⁷, given the assumption made.

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Answer:

it is becuase light travel faster then sound thus light come to us first

Explanation:

to dlatego, że światło podróżuje szybciej niż dźwięk, to światło dociera do nas jako pierwsze

Question :-

Answer :-

Explanation :-

As per the provided information in the given question, we have been given that the Mass of the body is 2 kg . Speed of the body is given \( \bf{10 \: {ms}^{ - 1} } \) . And, we have been asked to calculate the Kinetic Energy .

For calculating the Kinetic Energy , we will use the Formula :-

\( \bigstar \: \: \boxed{ \sf{ \: Kinetic \: Energy \: = \: \dfrac{1}{2} \: \times \: {mv}^{2} \: }} \\ \)

Where ,

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

\( \longmapsto \: \: \sf{ Kinetic \: Energy \: = \: \dfrac{1}{2} \: \times \: {m \: \times \: v}^{2} } \\ \)

\( \longmapsto \: \: \sf{Kinetic \: Energy \: = \: \dfrac{1}{2} \: \times \: 2 \: \times \: {10}^{2} } \\ \)

\( \longmapsto \: \: \sf{Kinetic \: Energy \: = \: \dfrac{1}{2} \: \times \: 2 \: \times \: 100 } \\ \)

\( \longmapsto \: \: \sf{Kinetic \: Energy \: = \: \dfrac{1 \: \times \: 2 \: \times \: 100}{2}} \\ \)

\( \longmapsto \: \: {\textbf {\textsf {Kinetic \: Energy \: = \: 100 \: Joule }}} \)

\( \underline {\rule {180pt} {4pt}} \)

The kinetic energy of the body with the given value of mass travelling at the given speed is 100 Joules.

Kinetic energy is simply a form of energy a particle or object possesses due to its motion.

It is expressed as;

K = (1/2)mv²

Where m is mass of the object and v is its velocity.

Given the data in the question;

We substitute our given values into the above expression to determine the kinetic energy of the body.

K = (1/2)mv²

K = (1/2) × 2kg × (10ms⁻¹)²

K = 0.5 × 2kg × 100m²s⁻¹
K = 100kgm²s⁻¹

K = 100J

Therefore, the kinetic energy of the body with the given value of mass travelling at the given speed is 100 Joules.

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The work done in this process will be equal to the initial potential energy of the capacitor minus the final potential energy of the capacitor.

Given, Capacitor has charge q = 0.00859

Capacitance, C₁ = 5.29 × 10⁻⁸ F (Initial Capacitance)

Capacitance, C₂ = 1.85 × 10⁻⁸ F (Final Capacitance)

We know that the potential energy of a capacitor is given by the equation;

U = (1/2)Q² / C

Where Q is the charge on the capacitor, and C is the capacitance of the capacitor.

Initial potential energy of the capacitor,

U₁ = (1/2) × 0.00859² / 5.29 × 10⁸

U₁ = 7.009 J

Final potential energy of the capacitor,

U₂ = (1/2) × 0.00859² / 1.85 × 10⁻⁸

U₂ = 32.614 J

The work done in this process will be equal to the initial potential energy of the capacitor minus the final potential energy of the capacitor.

Work done, W = U1 – U2= 7.009 - 32.614= -25.605 J (Negative because the work is done by the system).

The work done in the given process is -25.605 J.

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