An air mass moving inland from the coast in winter is likely to result in
A.
hail.
B.
fog.
C.
frost.

Answer:

10.21 m/s

Explanation:

∆x =( v ^2 sin(2θ))/ g

rearrange this to get

v=√Δx·(g÷ sin(2θ))

Plug it in

v=√10·(-9.8÷sin(2·35))

Solve

v=10.21

To calculate the total RMS current through a circuit with bulbs connected in parallel, you need to know the individual RMS currents of the bulbs. If you have the RMS voltage across each bulb and the resistance of each bulb, you can use Ohm's Law (V = I * R) to calculate the RMS current through each bulb.

Once you have the RMS currents of all the bulbs, you can add them together to find the total RMS current flowing through the circuit.

Here's how you can calculate the total RMS current:

1. Determine the RMS current for each bulb: If you know the RMS voltage (120 volts) and the resistance of each bulb, you can use Ohm's Law to calculate the RMS current for each bulb. The formula is I = V / R, where I is the current, V is the voltage, and R is the resistance.

2. Calculate the total RMS current: Once you have the RMS currents for all the bulbs, you can simply add them together to find the total RMS current flowing through the circuit.

Total RMS current = I1 + I2 + I3 + ... (sum of individual RMS currents)

Note: Make sure the units for voltage (V) and resistance (R) are consistent (e.g., volts and ohms) to get the correct unit for current (Amps).

By following these steps, you can calculate the total RMS current through the circuit when the bulbs are connected in parallel.

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The weight of a \(45 kg\) box is \(441.45 N\).

Weight refers to the measure of the force exerted on an object due to the gravitational pull of the Earth.

Given the mass of the box is \(m=45 kg\).

The weight of an object (\(W\)) can be found by multiplying the mass of the object (\(m\)) by the acceleration due to gravity (\(g\)).

So, \(W=mg\).

It is known that acceleration due to gravity, \(g=9.81 m/s^2\).

Hence, the weight of the box, \(W=(45kg)\times (9.81 m/s^2)\).

\(\Rightarrow W=441.45 (kg\cdot m/s^2)\\\Rightarrow W=441.45 N\)

Therefore, the weight of the box is \(441.45 N\).

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Answer:

6 Newton.

Explanation:

Force (F) = Mass (M) x Acceleration (A).

Force = 2kg x 3 m/s^2

F = 6kg m/s^2 = 6 Newton. = 6N

Therefore, Force required to accelerate the body is 6N

The demand for a necessity such as electricity tends to be inelastic. Here's why:Inelastic demand is when changes in price don't affect the quantity demanded as much.

Necessities such as food, water, and electricity often have an inelastic demand, meaning that when the price of the product increases, the quantity demanded does not decrease as much.Explanation:For example, if the cost of electricity increased by 10%, a household might not be able to decrease its use of electricity as much, such as by 10%. The amount of electricity that a household uses might not be affected by price changes because it's a necessity.A vertical demand curve implies that a change in price results in no change in quantity demanded.

Unit elastic refers to a change in price that results in a proportional change in quantity demanded.D elastic refers to the degree of price sensitivity. Demand is said to be elastic when a price change causes a substantial change in demand.

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The raw file size for a 320x240 12-bit thermal image is 115,200 bytes. Thermal images have smaller raw file sizes than digital camera images because they have lower resolution and color depth, resulting in less data being stored.

(i) To calculate the raw file size for a 320x240 12-bit thermal image, we need to consider the number of pixels and the bit depth. Each pixel in a 12-bit image can have 2¹² (4096) possible values.

The total number of pixels in a 320x240 image is 76,800 (320 x 240). Multiplying this by the bit depth, we get:

76,800 pixels x 12 bits/pixel = 921,600 bits

To convert this to bytes, we divide by 8:

921,600 bits / 8 = 115,200 bytes

Therefore, the raw file size for a 320x240 12-bit thermal image is 115,200 bytes.

(ii) The file size of a thermal image compared to a typical commercial digital camera image for the visible range is generally smaller due to a couple of reasons:

1. Resolution: Thermal images typically have lower resolution compared to commercial digital camera images. The example given is a 320x240 image.

While commercial digital cameras often capture images with higher resolutions like 12 megapixels (e.g., 4000x3000 pixels). The higher-resolution images from digital cameras contain more data per image, resulting in larger file sizes.

2. Color Depth: Thermal images are often grayscale or have limited color palettes. They usually use a lower bit depth, such as 12 bits, to represent the temperature variations.

In contrast, commercial digital cameras capture images with higher color depth, such as 24 bits (8 bits per color channel), resulting in more information per pixel and larger file sizes.

In conclusion, the raw file size of a thermal image is generally smaller compared to a typical commercial digital camera image due to lower resolution and color depth, resulting in less data being stored for each image.

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The rms current at the 120V wall outlet where the power pack is plugged in is approximately 0.03033A.

To find the rms current at the 120V wall outlet where the power pack is plugged in, we'll use the following terms: battery, power, and power conversion.

First, let's find the power output of the power pack charging the cell phone battery. The power output (P_out) can be calculated using the formula:

P_out = V_out x I_out

where V_out is the output voltage (5.2V rms) and I_out is the output current (0.70A rms).

P_out = 5.2V x 0.70A = 3.64W

Now, we'll assume that the power conversion from the wall outlet to the power pack is 100% efficient (in reality, there will be some losses). Therefore, the power input (P_in) from the wall outlet is equal to the power output.

P_in = 3.64W

Next, let's find the rms current at the 120V wall outlet (I_in). We can use the formula:

P_in = V_in x I_in

where V_in is the input voltage (120V rms). We can rearrange the formula to solve for I_in:

I_in = P_in / V_in

I_in = 3.64W / 120V = 0.03033A

So, the rms current at the 120V wall outlet where the power pack is plugged in is approximately 0.03033A.

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The speeds of the light wave will be 0.56×10⁻⁵ m/sec.It is the ratio of the speed of the wave and the refractive index.

The distance between two successive troughs or crests is known as the wavelength. The peak of the wave is the highest point, while the trough is the lowest.

Given data;

the wavelength,λ= 640 nm

Wave's speed,v=?

Refractive index,n

The refractive index is the ratio of the square root of the dielectric constant;

\(\rn n= \sqrt{78}\\\\ n= 8.8\)

The relationship between the wave's wavelength, refractive index, and speed of light wave is given as;

\(\rm \lambda = \frac{c}{n} \\\\ c =n \times \lambda \\\\\ c= 8.8 \times 640 \times 10^{-9} \\\\ c= 0.56 \times 10^{-5} \ m/sec\)

Hence, the speed of the light wave will be 0.56×10⁻⁵ m/sec.

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Answer:

7.34 meters

Explanation:

If the entire Kinetic energy is converted to Potential energy

1/2 mv^2 = mgh          didvide both sides by ' m '

1/2 v^2 = gh                 solve for 'h'

1/2 v^2 / g = h              plug in the given values  ,   g = 9.81 m/s^2

1/2 (12)^2 / 9.81 = h = 7.34 m

Answer:

1400 N

Explanation:

Verá, durante el salto mortal, el piloto se mueve en una trayectoria circular y la fuerza que actúa sobre él es una fuerza centrípeta.

Sea la fuerza centrípeta F, la masa del piloto (m) = 70 Kg, el radio (r) = 500 my la velocidad (v) = 360 km / hr * 1000/3600 = 100 m / s

F = mv ^ 2 / r

F = 70 * (100) ^ 2/500

F = 1400 N

Out of the given options, only "Blown car tire" would be considered an emergency fund expense.

An emergency fund expense is an unforeseen and urgent cost that requires immediate attention and cannot be easily covered by one's regular income or savings.

Examples of emergency fund expenses may include unexpected car repairs, medical bills, or sudden job loss. The purpose of an emergency fund is to provide a financial cushion that can help cover these types of expenses, allowing individuals to manage unexpected financial shocks without having to resort to high-interest debt or deplete their long-term savings.

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Static electricity, static occurs when there is friction in this case the shirt and skin

When there is friction, like here between the clothing and the skin, static electricity results.

A mismatch of electric currents within or across the surface of a material, and between materials, results in static electricity. The charge persists until it can be expelled through an electrical shock or current. Static electricity is so-called in contrast to current electricity, which conveys energy by having an electric charge flow through a space or electrical conductor.

When two surfaces come into touch, wear away, then separate from one another while at least one of the surfaces seems to have a good strength to electric current, a static electric charge can be produced.

People do feel, hear, and even observe the flash as the surplus charge is neutralized when placed close to a large electronic circuit or a location with an expression of the opposite polarity, therefore most people are familiar with static electricity's effects.

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Answer: option (c)

Explanation:

Product development is also known as new product operation.

The main ideal is to satisfy the consumer demand.

There are some stages of product development process. They're idea generation, webbing, conception development and testing, request strategy, developing the new product, request testing, request commercialization.

The process of developing a product is managed by product inventor.

Product development can be done in two ways, the new product is introduced or the being products can be bettered according to the client satisfaction.

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Answer:

property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.

Answer:

Law of inertia, also called Newton's first law, postulate in physics that, if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.

Hope this answer is right!

Answer:

A is the answer because if you multiply 8 and 2 the period of wave frequency is 16Hz long.

Explanation:

Answer:

B 0.125 its a simple conversion

The maximum value of resistance is 1500kΩ while the minimum value of resistance is 100kΩ.

Given the capacitance of capacitor (C) = 10μF

Let the resistance be = R

Le the time take be = t

We know that the relation between resistance, capacitance and time taken are identified as: T = RC

When capacitance increases, the time it takes for the resistance to be reduced increases. This is because capacitance is the ability of a device to store electrical energy, and as capacitance increases, the amount of energy stored increases, and so it takes longer for the resistance to be reduced.

Given t = 15s, then R = 15/10μF = 1500kΩ

For t = 8s, then R = 8/10μF = 800kΩ

For t = 4s, then R = 4/10μF = 400kΩ

For t = 2s, then R = 2/10μF  = 200kΩ

For t = 1s, then R = 1/10μF  = 100kΩ

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The probability is 1/10!, which can be expressed as m/n. The answer is m = 1.

The problem can be solved through generating functions. The first thing to notice is that we need to stack the boxes in a way that the height is 41 ft.

Since each box is either 3, 4, or 6 feet in height, we can get 41 by adding a subset of the integers 3, 4, and 6. Letting the three integers be a, b, and c, this becomes the problem of finding the number of ways to choose non-negative integers x, y, and z such that 3x + 4y + 6z = 41.

We can use generating functions to solve this problem. The number of ways to choose x, y, and z is the coefficient of the term x^41 in the generating function F(x), where:

\($$F(x)=(1+x^3+x^6+x^9+...)(1+x^4+x^8+x^{12}+...)(1+x^6+x^{12}+...)$$\)

\($$=(1+x^3+x^6+x^9+...)\cdot \frac{1}{1-x^4}\cdot \frac{1}{1-x^6}$$\)

Using the geometric series formula, the generating function can be expressed as:

\($$F(x)=\frac{1}{1-x^3}\cdot \frac{1}{1-x^4}\cdot \frac{1}{1-x^6}$$\)

\($$=\frac{(1-x^{12})}{(1-x^3)(1-x^4)(1-x^6)}$$\)

Expanding the numerator and denominator, we get:

\($$F(x)=\frac{-x^{41}+2x^{29}-2x^{23}+x^{17}}{(1-x^3)^2(1-x^4)^2(1-x^6)^2}$$\)

The coefficient of x⁴¹in the expansion of F(x) is -1, so the answer is 1.

The probability of stacking the crates to a height of exactly 41 ft is 1/number of ways to stack the crates, which is 10! since there are 10 identical crates.

Thus the probability is 1/10!, which can be expressed as m/n. The answer is m = 1.

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Answer:

Vf = 31 m/s

Explanation:

Have to use the Final Velocity Formula - Vf = Vi + a * t

Vf = Final Velocity

Vi = Initial Velocity

a = acceleration

t = time

* = multiply

Vf = 25 + 1.5 * 4

Vf = 25 + 6

Vf = 31 m/s

The final velocity of the car is 31 m/s.

Answer:

Lava

Explanation:

Heat at high temperature can cause rocks to melt into liquid form within the underground layer of the rocks. This molten rock trapped within is referred to as MAGMA. However, when this trapped molten magma begins to flow, it is said to be LAVA by scientists.

It is important to note that although magma and lava are both molten forms of rocks or a volcano, their differences lie in the fact that A LAVA IS AN ERUPTED or FLOWING MAGMA.

The correct answer is option B) the push of box H on box G, which represents the reaction force to your push on box G.

When you push on box G, according to Newton's third law of motion, there will be an equal and opposite reaction force. Let's examine each of the options to determine the correct answer:

A) The push of box G on box H: This force is the action force, not the reaction force. It is the force you exerted on box G, not the force exerted back on you.

B) The push of box H on box G: This force is the reaction force to your push. As you push on box G, box H exerts an equal and opposite force on box G, according to Newton's third law. This force is directed toward box G.

C) The push of box G against you: This force is not the reaction force to your push. It represents the resistance of box G against your push, but it is not equal in magnitude and opposite in direction to your applied force.

D) The upward force of the floor on box G: This force is unrelated to the push you exerted on box G. It is the normal force exerted by the floor to support the weight of box G.

E) The acceleration of box G: This is not a force but a measure of how quickly the velocity of box G is changing. It is related to the net force acting on box G and its mass, according to Newton's second law (F = ma).

Based on the explanations above, the correct answer is option B) the push of box H on box G, which represents the reaction force to your push on box G.

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Matter in motion possesses energy in various forms such as kinetic energy and potential energy.  The right option is B and C.

Kinetic energy is the energy possessed by an object in motion.

Potential energy, on the other hand, is the energy possessed by an object due to its position or configuration.

Heat flow is the transfer of thermal energy from a body at a higher temperature to one at a lower temperature.

The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted from one form to another. This law implies that the total amount of energy in a system remains constant.

The second law of thermodynamics states that in any energy transfer or transformation, the total amount of usable energy in a system decreases. This law implies that energy tends to flow from a higher state of order to a lower state of order.

Therefore, it is difficult to achieve 100% efficiency in any energy transfer process.

In conclusion, matter in motion possesses energy in different forms, and the laws of thermodynamics govern energy transfer and transformation processes.

Understanding these laws is crucial in various fields, including engineering, physics, and chemistry. Therefore, the correct option is B and C.

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Answer:

a wedge.

Explanation:

it moves when you apply force to one end of the wedge.

If I'm understanding the picture, it looks like the riders add up to 117.8 .

Answer:

they mostly use them as predictions if items they are not sure about or to show ideas in a smaller form

Explanation:

When a light ray propagating in vacuum contains both 600nm light and 400 nm light and is incident on top of a glass cube then 400nm light travels faster than the 600nm light so the answer is (b).

The speed of light in a medium is dependent on the refractive index of the medium, which is a function of the wavelength of the light and the properties of the medium. In general, light with a longer wavelength will travel slower in a medium than light with a shorter wavelength. This is because the longer wavelength light experiences more refraction, or bending, in the medium.

In the case of a glass cube, both the 400 nm and 600 nm light will slow down as they travel through the glass. The 400 nm light will slow down more than the 600 nm light, meaning it will experience more refraction and bend more than the 600 nm light. Therefore, the answer is (b) the 400nm light travels faster than the 600nm light.

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This query calls for the use of Newton's second law of motion. Mass is equal to the product of acceleration and net force. Mass = 32 N / 4 m/s2 = 8 kg when the values are entered into the formula.

We can obtain a=F/m by adopting the formula F=m*a and rearranging the subject. Then, using the provided numbers as substitutes, we can determine that a=30/10=3. The item will accelerate at 3ms-2 because acceleration is measured in ms-2.

Newton's second law of motion provides the definition of the force formula: An object's force is equal to its mass times its acceleration. F = m ⨉ a. To apply this formula, you must use SI units for force (newtons), mass (kilograms), and acceleration (meters per second squared).

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