A straight wire produces a magnetic field of 6.1 ×10?6T at a distance of 25 cm .What is the current in the wire? I =

1. This type of boundary is called convergent

2. The area where one plate moves under another is called the subduction zone.

Hope that helps!

Answer:

nuclear fission

Explanation:

nuclear fission

Answer: Nuclear fission

Explanation:

A square loop which has 40 turns that are 17 cm on a side, placed in a uniform magnetic field of 0.55 is  1.15 A Current needed.

In order to calculate the current needed to create a maximum torque of 6 Nm for a square loop with 40 turns and 17 cm on a side placed in a uniform magnetic field of 0.55 T, we can use the formula for torque in a current-carrying loop:
Torque (τ) = N × B × A × I × sin(θ)
where N is the number of turns, B is the magnetic field, A is the area of the loop, I is the current, and θ is the angle between the normal to the loop and the magnetic field. For maximum torque, sin(θ) = 1.
Now, let's follow these steps:
1. Calculate the area of the square loop:
A = side × side
A = 0.17 m × 0.17 m
A = 0.0289 m²
2. Substitute the values into the torque formula:
6 Nm = 40 turns× 0.55 T×0.0289 m² × I × 1
3. Solve for the current (I):
I = 6 Nm / (40 turns × 0.55 T ×0.0289 m²)
I = 1.15 A
So, the current needed to create a maximum torque of 6 Nm is approximately 1.15 A.

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Answer: Yes, on many slate-roofed homes as temperatures change, such as cooling at night or heating during the day, thermal expansion or contraction of the slates may cause movement that in turn causes snapping, popping, or cracking noises, even bangs and clanks or clicks from the roof.

Explanation:

Answer:

because of its mealting

Explanation:

hope it helps you

The heat rate dissipated in one fin is approximately 13.8 W, and the total heat rate dissipated by the all-finned surface is approximately 138 W.

To calculate the heat rate dissipated in one fin, we can use the formula for heat transfer through a rectangular fin:

q = (k * A * ΔT) / L

where q is the heat rate, k is the thermal conductivity, A is the cross-sectional area, ΔT is the temperature difference, and L is the length of the fin.

Substituting the given values, we have:

q = (50 W/(m·K) * 20 cm * 1 cm * (53 ºC - 25 ºC)) / 10 cm

q = 520 W

However, since there are ten fins, we divide the heat rate by ten to obtain the heat rate dissipated in one fin:

q = 520 W / 10 = 52 W

To calculate the total heat rate dissipated by the all-finned surface, we multiply the heat rate dissipated in one fin by the total number of fins:

total heat rate = 52 W * 10 = 520 W

Therefore, the heat rate dissipated in one fin is approximately 13.8 W, and the total heat rate dissipated by the all-finned surface is approximately 138 W.

It is important to note that this calculation assumes uniform heat distribution and neglects any losses due to radiation, which are typically small in comparison to convective heat transfer in such systems.

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Temperature is a measure of the average kinetic energy  energy of particles in a substance.

Temperature and kinetic energy have a directly proportional relationship.

Kelvin, Celsius, and Fahrenheit are three types of Temperature scales.

The average kinetic energy of the particles in a substance is measured by temperature. The overall kinetic energy of the particles in a substance is measured by its thermal energy. The temperature and thermal energy of a substance increase with particle mobility.

The average kinetic energy of a substance's particles is directly proportional to the substance's temperature.

The three temperature scales that are now in use are Kelvin, Celsius, and Fahrenheit.

Typically, calories or joules per gramme per degree Celsius are used as the units of specific heat. For instance, water has a specific heat of 1 calorie (or 4.186 joules) per gramme per degree Celsius.

Temperature is a measurement of that energy in substances, whereas kinetic energy is the energy of motion.

Temperature is a measurement of that energy in substances, whereas kinetic energy is the energy of motion. According to Zoe, a material has a temperature of 12 degrees Celsius. What does this indicate to Zoe regarding the substance? It has an average kinetic energy of 12 Celsius.

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Temperature is a measure of the average kinetic energy  energy of particles in a substance.

Temperature and kinetic energy have a directly proportional relationship.

Kelvin, Celsius, and Fahrenheit are three types of Temperature scales.

The average kinetic energy of the particles in a substance is measured by temperature. The overall kinetic energy of the particles in a substance is measured by its thermal energy. The temperature and thermal energy of a substance increase with particle mobility.

The average kinetic energy of a substance's particles is directly proportional to the substance's temperature.

The three temperature scales that are now in use are Kelvin, Celsius, and Fahrenheit.

Typically, calories or joules per gramme per degree Celsius are used as the units of specific heat. For instance, water has a specific heat of 1 calorie (or 4.186 joules) per gramme per degree Celsius.

Temperature is a measurement of that energy in substances, whereas kinetic energy is the energy of motion.

Temperature is a measurement of that energy in substances, whereas kinetic energy is the energy of motion. According to Zoe, a material has a temperature of 12 degrees Celsius. What does this indicate to Zoe regarding the substance? It has an average kinetic energy of 12 Celsius.

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Answer:

True

Explanation:

Answer:

b

Explanation:

An insulator does not transfer thermal or electrical energy but a conductor does

Answer:

7 hours.

Explanation:

This is because you are traveling 5 kilometers per hour so 5 multiplied by 7= 35.

The statements true concerning the strips with a positive versus a negative hall voltage are a and d.

The hall voltage is the potential created across a current-carrying metal-strip when the strip is placed in a magnetic field perpendicular to the current flow in the strip. it is used as a research tool to probe the movement of charges in materials, as well as determining the blood flow rate.

The top strip possess positive charge carriers, and the electric field points are in the same direction as the electric force.

The bottom strip has negative charge carriers, and the magnetic force points upward along the plate.

This will create an equilibrium of the magnetic force and electrostatic force.

Thus, the correct option are a and d.

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Answer:

electric field to be measured and influence the source producing electric field to be measured.

Explanation:

The test charge used to mea... To measure the electric field at a point, the test charge used should be very small so that it does not change the electric field to be measured and influence the source producing electric field to be measured.

Answer:

100 is the frequency of wave

Explanation:

Fuel consumption rate refers to the amount of fuel consumed by a vehicle or equipment over a certain period of time. Approximately 3570.82 kiloliters of fuel are saved in a typical 2000 km trip.

Fuel consumption rate is typically measured in units such as gallons per hour (gal/hr) or liters per hour (L/hr). The fuel consumption rate indicates the efficiency or effectiveness of fuel utilization by the vehicle or equipment.

The fuel consumption rate represents the rate at which fuel is consumed by the Airbus A320 Neo aircraft. It is specified as 2200 gallons per hour (gal/hr) before the speed reduction and 2000 gallons per hour (gal/hr) after the speed reduction. This means that the aircraft consumes fuel at a rate of 2200 gallons per hour (gal/hr) when flying at a speed of 525 miles per hour (mph) and at a rate of 2000 gallons per hour (gal/hr) when flying at a reduced speed of 475 miles per hour (mph).

To calculate the amount of fuel saved in a typical 2000 km trip, we need to convert the fuel consumption rate from gallons per hour (gal/hr) to kiloliters per kilometer (kL/km).

First, let's calculate the fuel consumption rate per kilometer:

Fuel consumption rate (kL/km) = (Fuel consumption rate (gal/hr) * Conversion factor) / Distance (km)

Conversion factor: 1 gallon = 0.00378541 kiloliters

Distance: 2000 km

Fuel consumption rate (kL/km) = (2000 gal/hr * 0.00378541 kL/gal) / 2000 km

Fuel consumption rate (kL/km) = 3.78541 kL/km

Now, let's calculate the fuel saved during a typical 2000 km trip:

Fuel saved (kL) = (Fuel consumption rate before - Fuel consumption rate after) * Distance

Fuel consumption rate before: 3.78541 kL/km

Fuel consumption rate after: 2 kL/km

Distance: 2000 km

Fuel saved (kL) = (3.78541 kL/km - 2 kL/km) * 2000 km

Fuel saved (kL) = 1.78541 kL/km * 2000 km

Fuel saved (kL) = 3570.82 kL

Therefore, approximately 3570.82 kiloliters of fuel are saved in a typical 2000 km trip.

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A dime's 2.5 mm thickness would be covered by about 4,237 yellow light waves. The electromagnetic wave utilised by cell phones has a wavelength of roughly 1.76 metres.

A sodium lamp's yellow light has an average wavelength of 5893 A. Write it down in nanometers. The wavelength of yellow light emitted by a sodium lamp is 480 nm.

As the wavelength of yellow light is specified in nanometers, we can begin by converting the thickness of a dime from millimetres to nanometers.

1 mm = 10⁶ nm

So, 2.5 mm = 2.5 × 10⁶ nm

Number of waves = 2.5 × 10⁶ nm ÷ 590 nm

Number of waves = 4,237.28

2) We can use the formula:

wavelength = speed of light / frequency

where the speed of light is approximately 3.00 × 10⁸ meters per second.

Substituting the given frequency of 1.70 × 10⁸ Hz, we get:

wavelength = (3.00 × 10⁸ m/s) / (1.70 × 10⁸ Hz)

wavelength ≈ 1.76 meters

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1) From points O to A and F to G the velocity of the car is increasing.

2) The car moves with constant velocity from points A to B, C to D, and E to F.

3) The average velocity is 12 km/h.

4) The car initially is at rest.

5) The average velocity is 20 km/h.

6) The average velocity between D and E is 10 km/h.

7)The distance traveled from O to B is 48 kilometers.

8) As the car moves from B to C and from D to E, its speed is decreasing.

1) The velocity of the car at point O is 0 km/h and the increases to 24 km/h at point A.

The velocity of the car from point F to G increases from 4 km/h to 20 km/h.

2) The velocity of the car is constant at 24 km/h from A to B.

The velocity of the car is constant at 16 km/h from C to D.

The velocity of the car is constant at 4 km/h from E to F.

3) The velocity of the car at O is 0 km/h and at A is 24 km/h.

So, the average velocity is:

= ( 24 - 0 ) / 2 = 12 km/h

4) Initially the car was at rest.

5) The velocity of the car at B and C is 24 km/h and 16 km/h.

Then the average velocity is:

= ( 24 + 16 ) / 2 = 40 / 2 = 20 km/h

6) The velocity of the car at D and E is 16 km/h and 4 km/h.

The average velocity is:

= ( 16 + 4 ) / 2 = 10 km/h

7) From O to B,

Initial velocity, u = 0 km/h

Final velocity, v = 24 km/h

It takes 4 hours to travel from point O to B.

Using the equation of motion,

v = u + at

24 = a( 4 )

a = 6 km/h²

So, the distance traveled is:

s = ut + ( 1/2 )at²

s = ( 1/2 ) × 6 × ( 4 )²

s = 48 km

8) From B to C and D to E the velocity of the car is decreasing.

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The mass of the wheel is 400/3s² divided by the square of the radius.

Mass is a measure of the amount of matter or substance that an object contains. It is a fundamental physical quantity that is used to measure the amount of matter in a given object or system. It is measured in kilograms (kg) or grams (g). Mass is different from weight, which is a measure of the gravitational force between two objects.

At the start, all the energy is potential energy:
\(PE_{initial\) = mgh + Iω²/2
At the end, all the energy is kinetic energy:
\(KE_{final\) = mv²/2 + Iω²/2
Since the system is released from rest, we know that the initial angular velocity ω is 0, and the final velocity v is 10m/3s.
Setting the two equations equal to each other, and solving for I, we get:
I = 2mgh/v²
Plugging in m = 20kg, h = 10m, and v = 10m/3s, we get:
I = 200kg·m²/3s²
The moment of inertia of a wheel is given by I = (1/2)mr², so we can rearrange this equation to solve for the mass of the wheel:
m = 2I/r² = (400/3s²)/r²
Therefore, the mass of the wheel is 400/3s² divided by the square of the radius.

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The de Broglie wavelength of the electron is approximately 8.7 x 10^-11 m, which is option B.

The de Broglie wavelength of an electron is given by the formula:

λ = h / p

where λ is the de Broglie wavelength, h is the Planck's constant (6.626 x 10^-34 J s), and p is the momentum of the electron.

The momentum of the electron can be calculated using the formula:

p = m * v

where p is the momentum, m is the mass of the electron, and v is the velocity of the electron.

Substituting the given values, we get:

p = (9.1 x 10^-31 kg) * (8.4 x 10^6 m/s) = 7.644 x 10^-24 kg m/s

λ = h / p = (6.626 x 10^-34 J s) / (7.644 x 10^-24 kg m/s) = 8.67 x 10^-11 m

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Answer:

false

Explanation:

Electrical energy which is provided to the pump is transformed into gravitational potential energy and into sound in equal portions. Thus, the correct option is C.

The principle of conservation of energy establishes that the energy cannot be created nor it can be lost alone. Energy can only be transformed, based on the principle of conservation of energy, the mechanical energy of the system is established as formed by the kinetic energy and the different in potential energies.

In this case, the electrical energy of the system is transformed into kinetic energy to raise the water temperature, when it reaches a height level where its actual speed is zero, all the mechanical energy is transformed into gravitational potential energy.

Therefore, the correct option is C.

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Your question is incomplete, most probably the complete question is:

Ahmad uses an electric pump to raise water to a reservoir on his farm. The pump is very noisy, and Ahmad’s uncle, who is an engineer, told him that only 50\%50%50, percent of the energy it consumes is delivered as gravitational potential energy to the water. When Ahmad turns off the pump, he notices that when he touches it, it has not warmed up.

What happened to the electrical energy provided to the pump?

a. It mostly transformed into gravitational potential energy, and a small portion transformed into sound.

b. It mostly transformed into sound, and a small portion transformed into gravitational potential energy.

c. It transformed into gravitational potential energy and into sound in equal portions.

d. It mostly transformed into sound energy and gravitational potential energy, and a small portion disappeared.

The objective lens is one of the key components of a microscope. It's a tiny lens that magnifies the specimen and projects it onto the eyepiece for further enlargement. In comparison to the eyepiece lens, the objective lens is much closer to the object being viewed, allowing for increased magnification and resolution.

The objective lens on a microscope is one of the most critical components. It's the lens that is closest to the sample being viewed and is primarily responsible for producing the image that you see when looking through the eyepiece. It serves to magnify the specimen and project it onto the eyepiece for further enlargement. This lens's power is generally measured in magnification, with the most typical magnifications ranging from 4x to 100x.Each objective lens is unique in terms of its magnification, and it can also differ in other aspects such as its working distance, resolution, and aperture. Higher magnification is ideal for viewing smaller structures, but it comes with a smaller working distance, making it more difficult to operate. On the other hand, a lens with a shorter working distance will enable you to view larger specimens.

In conclusion, the objective lens is a critical component of a microscope. It plays a crucial role in producing the image that we see and can magnify a specimen from 4x to 100x. The objective lens's power is not the only factor to consider when selecting a lens for a particular experiment, as working distance, resolution, and aperture can all play a role in the final image quality.

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Answer:

im pretty sure its d

Explanation:

The space traveler's mass and weight on the earth are 115 kg and 1127 N respectively. His weight and mass in interplanetary space are 115 kg and 0 N respectively.

Mass and weight are often confused, but mass is the amount of matter in a substance, while weight is the force exerted on a body due to the pull of gravity. A space traveler with a mass of 115 kg will have different weights and masses depending on the planet he is on and the gravitational pull that planet has.

Mass on Earth = 115 kg

Weight on Earth = mass on Earth * acceleration due to gravity (9.8 m/s²) = 115 kg * 9.8 m/s² = 1127 N

Mass is the same in all locations, and as a result, the space traveler's mass in interplanetary space is still 115 kg. The force of gravity is non-existent in interplanetary space. As a result, his weight would be zero if he were to stand on a weighing scale. As a result, there is no weight acting on the space traveler in interplanetary space where there are no nearby planetary objects.

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To solve these questions, we can assume that the rate of change of temperature follows a linear model. Let's denote the initial temperature as T0 (20 degrees C), the rate of change as r (unknown), and the time in minutes as t.

(a) To find the reading on the thermometer after 5 more minutes, we need to determine the value of T (temperature) at t = 6 minutes. Using the linear model, we can set up the following equation:

Given that T0 = 20 degrees C and T = 10 degrees C at t = 1 minute, we can substitute these values into the equation:

Simplifying the equation gives us:

Now, we can use the value of r to find the reading after 5 more minutes (t = 6 minutes):

Therefore, the reading on the thermometer after 5 more minutes would be -40 degrees C.

(b) To find when the thermometer will read -11 degrees C, we can set up the following equation using the linear model:

We know that T0 = 20 degrees C, and we want to find the time t when T = -11 degrees C. Substituting these values into the equation, we get:

Simplifying the equation gives us:

Now, we need to use the value of r we found in part (a) (-10) to solve for t:

Dividing both sides by -10 gives:

Therefore, the thermometer will read -11 degrees C approximately 3.1 minutes after it was taken outdoors.

A thermometer, also known as a temperature gauge, is a tool used to measure temperature. The term thermometer comes from the Latin thermo which means heat and meter which means to measure. There are various working principles of the thermometer, the most commonly used is the mercury thermometer.

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The period of rotation of the wheel is 0.6127 seconds.

The tangential speed of a point on the wheel's outer edge is 2.5624 m/s.

    To calculate the period of rotation T, we need to convert the frequency from revolutions per minute (rev/min) to revolutions per second (rev/s).

Given:

The radius of the wheel (r) = 0.25 m

Frequency of rotation (f) = 98 rev/min

First, let's convert the frequency to rev/s:

Frequency in rev/s = Frequency in rev/min / 60

f' = 98 rev/min / 60 = 1.6333 rev/s (rounded to four decimal places)

Now, we can calculate the period of rotation T:

T = 1 / f'

T = 1 / 1.6333 rev/s  = 0.6127 s (rounded to four decimal places)

The period of rotation (T) of the wheel is approximately 0.6127 seconds.

          To calculate the tangential speed of a point on the wheel's outer edge, we can use the formula:

Tangential speed = \(\frac{2\pi r}{T}\), where T is the time period

Substituting the given values:

Tangential speed = 2 * \(\pi\) * (0.25 m) / 0.6127 s

Tangential speed = 2 * 3.14 * 0.25  / 0.6127 s = 2.5624 m/s (rounded to four decimal places)

The tangential speed is 2.5624 m/s.

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The distance and the displacement of an object are 10 m and 0 m.

The complete question is in the attachment. Distance is a scalar quantity that does not pay attention to direction. The total distance traveled is the sum of all the distances traveled by an object.

Displacement is a vector quantity that is concerned with both magnitude and direction. The magnitude of the displacement is the result of two vectors.

R² = d₁² + d₂² + 2 × d₁ × d₂ × cos θ

where θ is the angle between two vectors.

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Answer:

Gravity

Explanation:

After it reaches it's highest point, it falls back down because of gravity.

As per the given values, and uncertainty of the speedometer the actual speed could be 61.33 km/h.

Uncertainty = 2.0 km/h

Measured value = 90 km/h

Calculating the Percent uncertainty -

= (Uncertainty / Measured value) x 100

= (2.0 / 90 ) x 100

= 2.22%

Now, assuming the speedometer has the same percent uncertainty at 60 km/h, this percent uncertainty can be used to determine the range of speeds.

Percent uncertainty = 2.22%

Measured value = 60 km/h

Calculating the range -

= (Percent uncertainty / 100) x Measured value

= (2.22% / 100) x 60

= 1.33

Calculating the Total speed -

= 60 + 1.33

= 61.33

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Complete Question:

If your speedometer has an uncertainty of 2.0 km/h at a speed of 90 km/h ,what is the percent uncertainty? (b) If it has the same percent uncertainty when it reads 60 km/h , what is the range of speeds you could be going?

Answer: (d)inclined to time axis

Explanation:

For a moving object, the distance equation can be written as:

D = S*t

if S = 0, we will have a line parallel to the time axis.

if S = infinity we will have a line parallel to the distance axis.

Both options are discarded here, as S = ∞ is not possible, and S = 0 would mean that the object is not moving.

where D is the distance moved at the time t, t is the variable, and S is the speed of the object.

As S is constant, this equation defines a linear relationship.

The graph of this line will be a line that is not parallel either to the time axis nor the distance axis, this will be an inclined line that goes between them.

So the correct option is: (d)inclined to time axis