A yellow photon has a lower energy than a green photon. Therefore, the yellow photon has
a. longer wavelength, higher frequency, and higher speed.
b. shorter wavelength, smaller frequency, and same speed.
c. longer wavelength, smaller frequency, and lower speed.
d. longer wavelength, higher frequency, and lower speed.
e. shorter wavelength, higher frequency, and same speed.
f. longer wavelength, smaller frequency, and same speed.

Most deserts are associated with the subtropical high.

A subtropical high is a semi-permanent high-pressure system located near the Tropics of Cancer and Capricorn. This high-pressure system creates stable atmospheric conditions that inhibit the formation of clouds and precipitation. As a result, regions located under the subtropical high, known as subtropical deserts, tend to be dry and arid.

Deserts cover about one-third of the Earth's land surface, and many of them are located in subtropical regions such as the Sahara, the Arabian Desert, and the Mojave Desert. Other deserts, such as those found in polar regions, are associated with different atmospheric systems.

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Most deserts are associated with the subtropical high.

These are areas of high atmospheric pressure located around the 30th parallel north and south of the equator, where the trade winds converge and create stable, dry conditions.

The descending air masses from the subtropical high-pressure zones prevent the formation of clouds and cause the hot, dry climate associated with deserts.

However, there are also other factors that contribute to the formation of deserts, such as the rain shadow effect, which occurs when moist air is forced to rise over a mountain range and then cools and releases its moisture on the windward side, leaving the leeward side dry.

Polar deserts are also formed due to the cold temperatures and low humidity of the polar regions.

Overall, while there are different factors that can lead to the formation of deserts, the subtropical high-pressure zones are the most commonly associated with desert regions due to the stable, dry conditions created by the descending air masses.

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Answer:

A

Explanation:

Newton third law of motion state that action and reaction are equal and opposite

Answer:

Always true

Explanation:

I got it right on the test.

Answer:

Mac’s Speed = 2.5 m/s

Tosh’s Speed = 4 m/s

Tosh moves 1.5 m/s faster than Mac.

Explanation:

Tosh starts from an initial position of 12m and in a span of 3 seconds, (1.00 seconds to 4.00 seconds) he moves 12 meters.

So his speed is distance / time

s = 12 / 3

s = 4 m/s

Mac starts from an initial position of 2m and in a span of 4 seconds, he traveled 10m (2.00m to 12.00m).

Speed = Distance / time

s = 10 / 4

s = 2.5 m/s

When weighing chemicals on a balance, the term "tare" is used. Pressing the tare button enables you to record only the weight of the substance being measured, not the weight of the container it is being measured in.

Weighing by difference is automatically accomplished by tarring a balance. When a balance is tared with an object on the balance pan, the weight of the object is automatically subtracted from each reading up until the balance is re-tared or zeroed.

Testing a balance is crucial because you want an accurate result when you weigh an object. The calculations could all be off if a balance is not set to zero.

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Explanation:

I think it is third law.

Answer:

C) Third law

Explanation:

:)

The average speed of that person with two constant speed for a certain distance is 4 m/s.

Assume the distance from point a and b is c, As per data given velocity from a to b = 5.10 m/sec. So,

time a to b = c : 5.10.

Since the constant speed is 3.3. then

time b to a = c : 3.30

The we can determine the average speed as follow:

Total distance = c + c = 2c

Total time = time a to b + time b to a

Total time = c : 5.10 + c : 3.30

Total time = 0.196c + 0.303c

Total time = 0.499c

Average speed = total distance : total time

Average speed =  2c : 0.499c

Average speed = 4.00801603206

Let round the result, so the average speed = 4 m/s

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Unlike velocity, speed is scalar, which means it is described by magnitude only.

A scalar quantity is a quantity that can be defined by its magnitude alone. Magnitude has enough information to describe the quantity.

Examples of scalar quanitites;

Vector quantities refer to the physical quantities that can be described by both magnitude and direction.

Examples of vector quantities include;

Thus, unlike velocity, speed is scalar, which means it is described by magnitude only.

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a.) The impulse required to stop an object with a mass of 10 kg and velocity of 3 m/s is 30 Ns.

Impulse is defined as the change in momentum of an object, which is equal to the force applied multiplied by the time it acts. In this case, the object has a mass of 10 kg and is moving with a velocity of 3 m/s. To stop the object, a force needs to be applied in the opposite direction of its motion. The impulse required to stop the object can be calculated by multiplying the force applied with the time it acts. Since the impulse is equal to the change in momentum, it can be calculated using the equation  \(J = ∆p = mv_f - mv_i.\)  Solving for the force, we get\(F = J/t = ∆p/t = m(v_f - v_i)/t = m*a,\)  where a is the acceleration produced by the force. Therefore, the impulse required to stop the object is 30 Ns, which is equivalent to the force of 30 N acting for 1 second.

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To find the values of the  distance if the image is from the mirror,

Height of object, h = 3 cm

Distance of object from mirror, u = -18 cm (negative sign indicates that the object is placed on the left side of the mirror)

Focal length of mirror, f = -12 cm (negative sign indicates that the mirror is concave)

We can use the mirror formula to find the distance of the image from the mirror:

1/f = 1/u + 1/v

where v is the distance of the image from the mirror.

Substituting the values of u and f, we get:

1/-12 = 1/-18 + 1/v

Simplifying the equation, we get:

v = -36 cm (negative sign indicates that the image is formed on the left side of the mirror)

Therefore, the distance of the image from the mirror is 36 cm.

To find the height of the image, we can use the magnification formula:

m = -v/u

where m is the magnification of the image.

Substituting the values of v and u, we get:

m = -(-36)/(-18) = 2

Since the magnification is positive, the image is upright and enlarged.

The height of the image can be found using the formula:

h' = m * h

where h' is the height of the image and h is the height of the object.

Substituting the values of m and h, we get:

h' = 2 * 3 = 6 cm

Therefore, the height of the image is 6 cm.

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Answer:

B mate

Explanation:

The current in the lamp of the series current is D. equal to the current in the battery and in the ammeter.

It should be noted that a series circuit has only one path through which current can flow. A series circuit simply comprises a path along which the whole current can flow through each component.

Since the series circuit contains a battery, an ammeter, and a lamp. The current in the lamp is equal to the current in the battery and in the ammeter. This is because in series connection the current through all the circuit elements must be the same.

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A thermal energy transfer portfolio would be an excellent way for students to showcase their knowledge and understanding of this important scientific concept.

Thermal energy transfer is the energy transfer between two or more objects that have different temperatures. This energy transfer can take place in three different ways: conduction, convection, and radiation. A portfolio is a collection of documents or pieces of work that demonstrate a person's skills, abilities, and achievements in a particular area.

Therefore, a thermal energy transfer portfolio would be a collection of documents or pieces of work that demonstrate a person's skills, abilities, and achievements related to thermal energy transfer. This portfolio could include lab reports, experimental data, diagrams, and explanations of the various ways thermal energy can be transferred.

For example, a student's thermal energy transfer portfolio might include:

1. A lab report detailing an experiment they conducted to measure the rate of heat transfer through different materials using conduction.

2. A diagram showing the process of heat transfer through convection in a fluid, such as air or water.

3. A written explanation of the concept of radiation and how it relates to thermal energy transfer.

4. A spreadsheet of data showing the temperature changes in a system as heat is transferred through it.

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The given statement "Positive-edge D and JK flip-flops only update their internal state when the clock goes from 0 (low-voltage) to 1 (high-voltage)" is True.

Positive-edge D and JK flip-flops update their internal state when the clock transitions from a low voltage (0) to a high voltage (1). This means that the input data is sampled and transferred to the output only at the positive edge of the clock signal.

When the clock is in its low state (0), the flip-flop holds its previous state without any changes. However, when the clock rises to a high state (1), the input data is captured and reflected in the output of the flip-flop.

This behavior ensures that the flip-flop responds to changes in the input only at a specific point in time, which is the rising edge of the clock signal. It provides synchronization and helps in maintaining consistent and reliable state transitions within digital circuits.

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Answer:

100 ml de una disolucion 05 M de sulfate de vivre

Answer:

Projectile motion is a combination of horizontal and vertical motion. - The horizontal ... What are the horizontal and vertical components of the initial velocity? Round your ... A rock is thrown horizontally at a speed of 5.0 m/s from the top of a cliff 64.7 m high. The rock hits the ground 18.0 m from the base of the cliff.

Explanation:

When a glass of water is rotated, the ice stays in its original position due to the principle of conservation of angular momentum.

When a rotating object experiences a force, it will move in the direction of the force applied. In the case of a glass of water, the water molecules, which are in motion, will move to the edge of the glass due to the force of gravity.

However, the ice, which is denser and less mobile, will remain in its original position due to its greater inertia.

In physics, angular momentum is the quantity of rotational motion. It is equal to the moment of inertia times the angular velocity. Moment of inertia is determined by the mass and distribution of the object’s mass.

Angular velocity is the rate of change of the object’s angular position with respect to time. When the glass is rotated, the water molecules will move to the edge of the glass, but the ice molecules will not due to their greater inertia.

This results in the ice staying in its original position, preserving the angular momentum of the glass.

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The specific latent heat of vaporization of water given by the student's data is 2800000 J/kg, with the unit joules per kilogram (J/kg).

First we can use the formula:

Q = mL

where

From the given information, the mass of water is:

m = final mass - initial mass

m = 0.071 kg - 0.080 kg

m = -0.009 kg (Note: The negative sign indicates a decrease in mass)

The energy transferred by the immersion heater is Q = 25200 J.

Plugging in these values into the formula, we get:

25200 J = (-0.009 kg) x L

Solving for L, we get:

L = -25200 J / (-0.009 kg)

L = 2800000 J/kg

Therefore, the specific latent heat of vaporization of water given by the student's data is 2800000 J/kg, with the unit joules per kilogram (J/kg).

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(1) Calculation of the number of impeller blades For a centrifugal fan with straight blades, the number of blades is estimated using the following formula:

where, B1 = blade angle at outlet (in degrees) The average blade angle can be calculated as follows:

\(bav = (B1 + B2) / 2 = (60° + 90°) / 2\)

\(= 75° C = (π/30) [(r2^3 - r1^3) / (r2^2 - r1^2)]\)

\(= (π/30) [(0.375^3 - 0.26^3) / (0.375^2 - 0.26^2)]\)

\(= 0.001274 m^-1 RPM\)

= 750 RPM

D = 2r2

= 2 × 0.375 m

= 0.75 m

V1 = Q / A1

\(= (4.5 m^3/s) / (π × (0.26 m)^2)\)

= 68.22 m/s η

= 85% = 0.85

The number of fans required can be calculated using the fan flow rate and the given flow rate:

Fans required = Q required / Q per fan = 0.196 m³/s / 4.5 m³/s

= 0.043

= 1 fan (rounded to the nearest integer)

only one fan is required to achieve a head of 30 mm H2O.

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Answer:

Explanation:

See the attachment for the details.  A right triangle is formed to find the hypotenuse of the two legs consisting of the actual driving distances and times.  The hypotenuse gives the vector information for the displacement at the end of 8 hours of driving.  

The individual driving times and distances are summed to provide:

(a) How far did he travel?

103 km

(b) What was his average speed?

12.88 km/h

(c) What was his displacement?

73.82 km

(d) What was his average velocity?

9.228 km/h

The potential difference between the surface and the axis of the cylinder is -ρR²/4ε0.

The potential difference between the surface and the axis of the cylinder is given by:

Vsurface - Vaxis = -∫axis-to-surface E · dr

where E is the electric field and dr is an element of the path from the axis to the surface.

By Gauss's law, the electric field inside the cylinder is:

E = ρr/2ε0

where ρ is the charge density and ε0 is the electric constant.

Substituting this expression into the integral, we have:

V_surface - V_axis = -∫axis-to-surface ρr/2ε0 · dr

Integrating from the axis (r=0) to the surface (r=R), we get:

V_surface - V_axis = -[ρ/4ε0]R²

Therefore, the potential difference between the surface and the axis of the cylinder is:

V_surface - V_axis = -ρR²/4ε0

This expression shows that the potential difference is proportional to the charge density and the radius of the cylinder squared, and inversely proportional to the electric constant.

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Answer:

iv)Salt

III) Ethanol

Hopefully this helps you all the best.Help me out by giving me a like

This motion of the balloon is an example of buoyancy, which is the upward force exerted by a fluid on an object immersed in it.

When the balloon is neutrally buoyant, it means that the weight of the balloon and the weights attached to it is equal to the weight of the water displaced by the balloon.

If you push the balloon down to a greater depth and then release it, the balloon will rise back up to its original position.

This is because the balloon is still partially inflated and contains air, which is less dense than water. When you push the balloon down, the water pressure compresses the air in the balloon, causing it to become smaller in size.

When you release the balloon, the compressed air expands and pushes the balloon upwards towards the surface of the water.

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Meteorologists label different kinds of weather fronts based on their characteristics and behavior. The four main types are cold fronts, warm fronts, stationary fronts, and occluded fronts.

Cold fronts occur when a cold air mass moves into an area, pushing the warm air ahead of it upwards. These fronts often bring a drop in temperature, strong winds, and precipitation. Cold fronts are typically represented by a blue line with triangles pointing in the direction of the front's movement.

Warm fronts are the opposite, where a warm air mass advances and replaces a cooler one. These fronts cause a gradual increase in temperature and humidity, along with light rain or drizzle. Warm fronts are depicted as a red line with semicircles pointing in the direction of movement.

Stationary fronts form when cold and warm air masses meet but do not displace one another. This type of front can result in extended periods of cloudy and rainy weather. It is represented by alternating blue triangles and red semicircles on opposite sides of a line.

Meteorologists use these labels and symbols to communicate weather patterns and make accurate forecasts.

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The limitations of this model in depicting the actual factors and processes connected with groundwater are its lack of direct sensory experience, restricted access to real-time data, and incomplete comprehension of local variances.

For flows and aquifer properties for which there are no direct data, models can be employed to estimate these parameters. The response of the aquifer can be simulated using models under fictitious circumstances. Models can pinpoint sensitive regions where more hydrologic knowledge could enhance comprehension.

The behavior of groundwater flow under actual conditions is not well predicted by groundwater models. Although highly precise, groundwater models are at their best as qualitative indicators of future behavior.

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Answer:

postural is the answer you're looking for

Answer:

postural is the answer for you question

Answer:

the answer to the first one is B and the second one is c I hope I got them right

Answer:

false

Explanation:

The magnitude of the net electric field at the center of the square is zero.

When three equal negative point charges are placed at three corners of a square, the forces exerted by the charges cancel each other out at the center of the square, resulting in a net electric field of zero.

Each negative charge creates an electric field that points radially away from it. At the center of the square, the electric fields from the three charges will have equal magnitudes but opposite directions. Due to the symmetry of the system, the vectors representing the electric fields will cancel each other out, resulting in a net electric field of zero.

This cancellation of electric fields at the center of the square is a consequence of the equal magnitudes and positioning of the charges. If the charges were not equal or if they were not positioned symmetrically, the net electric field at the center of the square would not be zero.

In summary, the presence of three equal negative point charges at the corners of a square leads to the cancellation of electric fields at the center, resulting in a net electric field of zero.

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Answer:

no

Explanation:

because The properties of matter include any traits that can be measured,

Physical properties can be observed or measured.