This system is now run in reverse as a refrigerator. how much heat does it extract from the cold reservoir when 900 j of work are done on the system? qc =

The winds aloft chart for the Great Lakes (Michigan is fine) region displays the wind direction and speed at several altitudes. At 3000 feet, the wind speed is approximately 17 knots.

At 12,000 feet, the wind speed is about 44 knots. The wind speed at FL350 is approximately 67 knots.Surface friction has an effect on the winds close to the ground, slowing them down due to the frictional force exerted on the ground by air molecules. The winds shift direction with altitude, veering to the right of the direction of travel in the northern hemisphere. The approximate location of the Jetstream can be obtained by examining the wind/temperature plot chart. The fastest wind speed at FL360 appears to be approximately 145 knots, traveling towards the northeast. Flight to the east or southeast would benefit from this wind speed.Seasonally, winds aloft change depending on the position of the jet stream, which moves towards the poles during the summer months and towards the equator during the winter months.

The current surface analysis chart (Prog chart) shows the major frontal activity passing through the Midwest states. Precipitation is what leads the frontal passage in general, with both temperature and wind speed/direction changing from behind to ahead of the front.

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Answer:

D

Explanation:

F=ma

a=F/m

according to option D, F is constant

so acceleration is inversely proportional to mass and A has half the mass of B. Hence, acceleration of A will be twice of B if same force is applied.

Measure the current in the circuit with battery 1 and resistor 1 and determine the power supplied and repeat this step substituting resistor 2 for resistor 1 and resistor 3 for resistor 2 is the correct procedure.

The students should use the following procedure for their experiment:

1. Using the circuit with battery 1 and resistor 1, measure the current in the circuit and determine the power supplied by the battery.

2. Repeat this step substituting resistor 2 for resistor 1. Measure the current in the circuit and determine the power supplied by the battery.

3. Repeat this step substituting resistor 3 for resistor 2. Measure the current in the circuit and determine the power supplied by the battery.

4. Repeat all three steps substituting battery 2 for battery 1. Measure the current in the circuit and determine the power supplied by the battery.

5. Repeat all three steps substituting battery 3 for battery 2. Measure the current in the circuit and determine the power supplied by the battery.

By performing these steps, the students can measure the current and power supplied by the battery with each of the three different resistors in the circuit. This will allow them to determine the effect that changing resistors have on the power supplied by the battery.

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When the slits are illuminated with coherent light with a wavelength of 500 nm, the distance between the second and third dark lines of the interference pattern on the screen is approximately 0.83 mm.

The distance between the second and third dark lines of the interference pattern can be calculated using the formula for dark lines in a double-slit interference experiment:

y = (m+1/2) * (λL/d), where y is the distance from the central maximum to the m-th dark line, λ is the wavelength of the light, L is the distance between the slits and the screen, and d is the distance between the two slits.

For the second dark line (m=1):
y₂ = (1+1/2) * (500 nm * 75.0 cm / 0.450 mm)
y₂ = (3/2) * (500 * 10⁻⁹ m * 0.75 m / 4.50 * 10⁻⁴ m)

For the third dark line (m=2):
y₃ = (2+1/2) * (500 nm * 75.0 cm / 0.450 mm)
y₃ = (5/2) * (500 * 10⁻⁹ m * 0.75 m / 4.50 * 10⁻⁴ m)

Now, find the distance between the second and third dark lines:
Distance = y₃ - y₂
Distance = [(5/2) - (3/2)] * (500 * 10⁻⁹ m * 0.75 m / 4.50 * 10⁻⁴ m)
Distance = (1) * (500 * 10⁻⁹ m * 0.75 m / 4.50 * 10⁻⁴ m)
Distance ≈ 0.8333 mm

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Answer:

Its not just a mere formula . It tells a hell lot about charges .

q = ne . As you know , q stands for charge and e stands for charge on an electron . As for n , it represents an integer.

This whole q=ne thing represents quantisation of charge. The formula tells us that charge is quantized ( in the form of small packets)

Every body on this small earth has a charge which has to be an integral multiple of ‘e’ . So , we represent charge on a body(q) as

q=ne.

Hence the formula .

I hope you got what I want to say .

Thanks for reading .

Insulators are often defined as materials that do not allow electricity to flow through them. Option A is correct. Electrons in an insulator do not move readily.

Insulators are commonly employed in physics. Insulators are often defined as materials that do not allow electricity to flow through them.

Insulators are also referred to as poor electrical conductors. We may discover various instances of these insulators in our daily lives. Insulators include materials such as paper, glass, rubber, and plastic.

Insulators are often defined as materials that do not allow electricity to flow through them. Electrons in an insulator do not move readily

Hence option A is correct. Electrons in an insulator do not move readily

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The magnitude of the electrostatic force on sphere B due to sphere A is also 2.4 N, because the forces are equal in magnitude but opposite in direction as they form an action-reaction pair.

First by Coulomb's Law, the electrostatic force F between two point charges Q1 and Q2, separated by a distance r, is given by

F = k * (Q1 * Q2) / r^2

Where k is the Coulomb constant, which has a value of 9 × 10^9 N·m^2/C^2.

In this case, we have two spheres A and B, with charges +2 * 10^-6 C and +1 * 10^-6 C, respectively. The electrostatic force on A due to B is given as 2.4 N.

To find the electrostatic force on B due to A, we can use Coulomb's Law and the fact that the force between the two spheres is an action-reaction pair, meaning that the forces on A and B are equal in magnitude but opposite in direction. Therefore, the magnitude of the electrostatic force on B due to A is also 2.4 N.

We can see this by rearranging Coulomb's Law as:

F = k * (Q1 * Q2) / r^2

=> Q2 = (F * r^2) / (k * Q1)

where

Substituting the values given, we get:

Q2 = (2.4 N * (1 m)^2) / (9 × 10^9 N·m^2/C^2 * 2 × 10^-6 C) = 0.133 C

Therefore, the magnitude of the electrostatic force on sphere B due to sphere A is also 2.4 N, because the forces are equal in magnitude but opposite in direction as they form an action-reaction pair.

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Answer:

Parisian Scoop

Pocket thermometer

Pasty Bag

sifter

chinois

Rolling Pin

Immersion Blender

Chocolate tempering machine

Robot Coupe

Steam Jacketed kettle

marble table

commercial dough sheeter

Explanation:

Really it could differ dependent on model variety of each item

Answer:

Explanation:

It was Newton's genius that saw that it was true. He also realized that if it was true, the motion the earth experience would be unmeasurably small, especially in his time. Their instruments were just not good enough: crude and too approximate would be better descriptions.

Answer is D

Taking the test rn and found out the answer

The projectile D traveled the greatest horizontal distance.

Projectile motion is a form of motion experienced by an object or particle that is projected near the Earth's surface and moves along a curved path under the action of gravity only.

Horizontal range of a projectile is the horizontal distance travelled by the projectile between launch and the landing points.

The projectile horizontal distance is depend on horizontal speed and time in air.

In all these four projectile, projectile D has maximum horizontal speed and time in air.

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The area of a triangle is calculated by using the formula (1/2) x base x height, where the base is the length of one of the sides of the triangle and height is the distance from the base to the opposite vertex.

The formula to calculate the surface area of a right triangular prism is as follows:Surface area of a right triangular prism = 2(Area of triangle) + (Perimeter of base) x (Height) + (Sum of all rectangular face areas)   The perimeter of the base is equal to the sum of the lengths of the three sides of the triangle.

To find the area of a rectangular face, the product of its length and width should be calculated. Once the areas of all faces are calculated, add them together to get the total surface area of the prism. Example problem:What is the surface area of a right triangular prism with a base of 6 cm and 8 cm, and a height of 12 cm, and a length of 10 cm?To find the surface area of the prism

Area of the triangle = (1/2) x 6 cm x 8 cm = 24 cm²Perimeter of the base = 6 cm + 8 cm + 10 cm = 24 cmArea of the rectangular face = 6 cm x 12 cm = 72 cm² Area of the rectangular face = 8 cm x 12 cm = 96 cm²Area of the rectangular face = 6 cm x 10 cm = 60 cm²  Therefore, the surface area of the right triangular prism = 2(24 cm²) + (24 cm) (12 cm) + 72 cm² + 96 cm² + 60 cm² = 552 cm²

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Answer:

Explanation:

Current (I) is measured in amps (A)

Voltage (V) is measured in volts (V)

The volts is the measurement unit for voltage (V). The measurement unit for current is the ampere, and amp (A). the resistance unit of measurement, the ohm.

The SI measure known as just an ampere, or A, is used to measure electric current. By presuming that the elemental charge, e, has a fixed real number of 1.602 176 634 10-19 when mostly expressed in unit C, which is actually equivalent to the seconds in terms of vCs, it is calculated.

Volts are the units used to quantify electric potential difference, often known as voltage. A volt is defined as the difference in between two points on a cable that is carrying a current of just one ampere and releasing one watt of energy.

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Answer:

1- Throwing a ball or a cannonball

2- The motion of a billiard ball on the billard table

3- A motion of a boat in a river

Answer: I don’t know the answer to this but just do what i do look up the question I’m sure someone has answered this hope it helps❤️

Explanation:

The distance which a force of 3N will pull a wooden block before transferring 12J of energy is 4m.

This is referred to as an influence that can change the motion of an object and the unit is Newton.

It has a relationship with distance and work which can be seen below:

Work = Force × distance

12J = 3N × d

d = 12/3 = 4m.

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Answer:

If it has a mass of 5 kg its weight is 5 kg * 9.8 m/s^2 = 49 N

Weight in air = 49 N

Weight in water = 25 N

Buoyant force provided by water = 49 - 25 = 24 N

The centripetal acceleration felt by the passengers of a car moving at 12 m/s along a curve with a radius of 2.0 m is 36 m/s².Option c, 36 m/s², is the correct answer.

Centripetal acceleration is the acceleration experienced by an object moving in a circle or circular path. The formula for calculating centripetal acceleration is given by:ac = v²/r

Where ac is the centripetal acceleration

v is the velocity

r is the radius

To calculate the centripetal acceleration felt by the passengers of a car moving at 12 m/s along a curve with a radius of 2.0 m, we substitute the given values in the formula as shown below:

ac = v²/rac

= (12 m/s)² / 2.0 mac

= 144 m²/s² / 2.0 mac

= 72 mac

= 36 m/s²

Therefore, the centripetal acceleration felt by the passengers of a car moving at 12 m/s along a curve with a radius 2.0 m is 36 m/s².

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Answer:

4. The choose b. 0.000355

Ans; 3.55× 10-⁴ = 0.000355

5. The choose C. 80600

Ans; 8.06 ×10⁴= 806×10² = 80600

I hope I helped you^_^

The sun is Yellow, red, orange, and blue. Therefore option B is correct.

The star is moving toward an observer. Therefore option B is correct.

39. The type of radioactive decay represented by the equation provided Gamma. Therefore option A is correct.

40. The statement is completed correctly by the information which states that the coal in Alberta has a lower carbon content than coal in other parts of Canada, resulting in reduced greenhouse gas emissions.

29. graph B depicts the relationship between gravitational field strength and the mass of the International Space Station orbiting Earth.

30. The correct sequence of colors representing the changing temperature from the surface to the atmosphere of the sun is Yellow, red, orange, and blue. Therefore option B is correct.

1. When a star undergoes a blue shift, it indicates that the star is moving toward an observer. Therefore option B is correct.

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(a) The free body diagram for representing all the forces acting on an object.

(b) The force Mr. Seifert is applying to the box to move it forward to the RIGHT is 105 N.

A free body diagram is a graphical illustration of all the forces acting on an object.

The force applied by Mr Seifert is calculated by applying Newton's second law of motion as follows;

F - Ff = ma

where;

The given parameters include;

mass of the cardboard = 40 kg

force of friction = 25 N

acceleration of the cardboard = 2 m/s²

The force applied by Mr Seifert is calculated as follows;

F = Ff + ma

F = 25 N  +    (40 kg x 2 m/s²)

F = 105 N

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The statement that rules of thumb are known as a non-traditional approach to setting standards is false. Rules of thumb are actually a traditional and informal method of making rough estimations or decisions.

Contrary to the statement, rules of thumb are not considered a non-traditional approach to setting standards. In fact, they have been used for centuries as a traditional and informal way to make rough estimations or decisions. Rules of thumb are practical guidelines or principles that are based on experience or common sense rather than precise measurements or formal procedures.

These rules are often used in various fields, such as engineering, construction, finance, and everyday life. They serve as quick and convenient methods to make approximate calculations or judgments when precise data or detailed analysis may not be available or necessary. For example, the "rule of thumb" that suggests spending around 30% of your income on housing expenses is a commonly used guideline in personal finance.

While rules of thumb can be helpful in certain situations, it's important to recognize their limitations. They are not meant to replace rigorous analysis or professional judgment. Depending solely on rules of thumb can lead to inaccuracies or oversimplifications. Therefore, they should be used with caution and in conjunction with more precise methods when necessary.

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The quantity and orientation of orbitals in a specific sub-shell are principally determined by the magnetic quantum number. Azimuthal quantum number.

Also known as the orbital angular momentum quantum number, is hence necessary for its operation. The quantity and orientation of orbitals in a specific sub-shell are principally determined by the magnetic quantum number. Azimuthal quantum number, also known as the orbital angular momentum quantum number, is hence necessary for its operation. Check your understanding of magnetic quantum numbers.

Spin and orbital angular momentum together make up a body's total angular momentum. Another way to think of it is that angular momentum is a vector quantity that needs both the magnitude and the direction. The size of the angular momentum is for an object in orbit.

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Answer:within the focal length of the lens, provided the focal length is shorter than the near point distance.

Explanation:Hope it helps

It takes approximately 4.59 seconds for the car to come to a stop. the car's initial speed was approximately 110.2 ft/s,

To determine the time it takes for the car to stop and the car's initial speed, we can use the kinematic equation:

v² = u² + 2as

where:

v is the final velocity (0 ft/s, since the car comes to a stop),

u is the initial velocity (unknown),

a is the acceleration (-24.0 ft/s², as the car slows down),

and s is the distance traveled (253 ft).

Plugging in the known values into the equation, we can solve for u:

0² = u² + 2(-24.0 ft/s²)(253 ft)

0 = u² - 48.0 ft/s² * 253 ft

48.0 ft/s² * 253 ft = u²

u² = 12144 ft²/s²

Taking the square root of both sides:

u = √12144 ft/s

u ≈ 110.2 ft/s

So, the car's initial speed was approximately 110.2 ft/s.

Now, to find the time it takes for the car to stop, we can use the equation:

v = u + at

0 = 110.2 ft/s + (-24.0 ft/s²) * t

24.0 ft/s² * t = 110.2 ft/s

t = 110.2 ft/s / 24.0 ft/s²

t ≈ 4.59 s

Therefore, it takes approximately 4.59 seconds for the car to come to a stop.

In summary, the car's initial speed was approximately 110.2 ft/s, and it took approximately 4.59 seconds for the car to come to a stop while skidding a distance of 253 ft.

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Voyager 1 will continue moving with the speed it will have when the fuel runs out. The probe is traveling through the vacuum of space, where there is negligible gravity and no significant air resistance to slow it down.

Without the ability to adjust its trajectory, Voyager 1 will continue on its current path indefinitely unless it encounters a gravitational field that alters its trajectory. The probe may eventually drift off course and potentially collide with other celestial objects in its path. While Voyager 1 will continue to communicate data to Earth until its systems eventually fail, it will eventually become just another piece of space debris, floating silently through the cosmos.

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The magnitude of the current's magnetic field at radial distances (a) 0, (b) 1cm, (c) 2cm (wire's surface), and (d) 4cm are undefined, 1.7 * 10^-3 Tesla, 1.7 * 10^-3 Tesla, and 8.5 * 10^-4 Tesla, respectively. 

The question is about finding the magnitude of magnetic fields at different radial distances across a diameter of a long cylindrical conductor of radius a=2 cm carrying uniform current 170A.

Let's solve it step by step.

(a) At radial distance 0:

At the center of the conductor, r = 0, the magnetic field is zero.

It can be found by using the formula for the magnetic field at the center of the wire: 

B = (μ_0 * I) / (2 * π * r)

= (4π * 10^-7 * 170) / (2π * 0)

= undefined.

Therefore, the magnetic field at r = 0 is undefined. 

(b) At radial distance 1cm:

Using the formula for the magnetic field at a point P located at a radial distance r from the center of the wire: 

B = (μ_0 * I) / (2 * π * r)

= (4π * 10^-7 * 170) / (2π * 0.01)

= 1.7 * 10^-3 Tesla.

(c) At radial distance 2cm:

The magnetic field at r = a (i.e., the surface of the wire) can be determined by substituting the value of r = 2cm into the magnetic field formula:

B = (μ_0 * I) / (2 * π * r)

= (4π * 10^-7 * 170) / (2π * 0.02)

= 1.7 * 10^-3 Tesla.

(d) At radial distance 4cm:

Again, we use the formula for the magnetic field at a point P located at a radial distance r from the center of the wire:

B = (μ_0 * I) / (2 * π * r)

= (4π * 10^-7 * 170) / (2π * 0.04)

= 8.5 * 10^-4 Tesla.

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