Which of these factors influence the magnitude of the coriolis force?.

The force of 454.4 N is required to give a mass of 71 kg and an acceleration of 6.4 m/s²​.

Force can be explained as the influence that is capable of changing the state of the body of motion or rest. The S.I. unit of measurement of force is Newton and force is a vector parameter. Force exerted on a body can change the direction as well as the speed of the moving body.

The force exerted on a system can be calculated from the product of the mass (m) and acceleration. The mathematical expression of the 2nd law of motion for force can be represented as:

F = ma

Given, the mass of the acting on an object, m = 71 Kg

The acceleration acting on an object, a = 6.4 m/s²​

The force acting on the given mass can be calculated as:

F = ma = 71 × 6.4

F = 454.4 N

Therefore, the force required on an object is equal to 454.4 N.

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Answer:

The power of the kettle is P = 1 watt.

Explanation:

The definition of power is:

Power equals the quotient between work and time, or:

P = w/t.

In this case, we know that the work is:

w = 1J

And the time is:

t = 1 s

Then the power will be:

P = 1J/1s = 1 J/s

Also knowing that:

1 J/s = 1 W

(w is the unit for Watt)

We can conclude that the power of the kettle is:

P = 1 W

It is true that the force of attraction between two objects is called gravity. Gravity is the force that attracts two objects towards each other, and it is proportional to the mass of the objects and the distance between them.

The strength of the gravitational force depends on the masses of the objects and their separation, and it is described by Newton's law of gravitation.

According to Newton's law of gravitation, the gravitational force between two objects is proportional to the product of their masses and inversely proportional to the square of the distance between them.

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The action which I should take first is a)Stop the attack and contain the damage by disconnecting the system from the network. So correct option is a.

Many people actually rely on the Internet for many of their professional, social and the personal activities. But there are many people who attempt to damage our Internet-connected computers, violate our privacy and render inoperable the Internet services.

Given the frequency and the variety of existing attacks as well as the threat of new and more dangerous future attacks, network security has become a central topic in the field of computer networking.

Hence, correct option is a.

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(Complete question) is:

A security incident is currently occurring on the company network. You discover that the attack involves the computer system that is attached to the network. You're unsure what kind of the damage is being done to the network systems or data. Which of the following actions should you take FIRST?

a)Stop the attack and contain the damage by disconnecting the system from the network.

b)Continuously remain the network system in running state.

c)Try to introduce malware in attacker network system.

d)All of the above.

The rms speed of ammonia molecules in the given atmosphere is approximately 517 m/s.

The rms speed (v) of gas molecules can be calculated using the following equation:

v = sqrt(3RT/M)

The root-mean-square (rms) speed of ammonia molecules in an atmosphere at 4.3 °C can be calculated using the formula vrms = sqrt((3kT)/m), where k is the Boltzmann constant, T is the temperature in Kelvin, and m is the mass of a single ammonia molecule.

where R is the gas constant, T is the temperature in Kelvin, and M is the molar mass of the gas.

Converting the given temperature of 4.3 ∘C to Kelvin, we get:

T = 4.3 + 273.15 = 277.45 K

The molar mass of ammonia (NH3) is 17.03 g/mol.

The gas constant (R) is 8.314 J/(mol*K).

Substituting these values in the equation for rms speed, we get:

v = sqrt(3 * 8.314 * 277.45 / 0.01703)

v ≈ 517 m/s

Therefore, the rms speed  is found to be approximately 517 m/s.

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Answer:

0.75

Explanation:

\(refractive \: index \: = \frac{3.0 \times {10}^{2} }{2.0 \times {10}^{2} } \)

= 1.5

\(refractive \: index = \frac{ \sin(angle \: of \: incidence) }{ \sin(angle \: of \: refraction) } \)

\(1.5 = \ \frac{ \sin(i) }{ \sin(30) } \)

1.5 × ½ = sin(i)

\( \sin(i) = 0.75\)

When an electric fan is switched off, its angular velocity uniformly drops. angular acceleration of an electric fan in 4.0 minutes is equal to -1.66 rev/s².

Angular acceleration is the term used to describe the temporal pace at which rotational inertia varies. 360 ° per moment per second is the unit of measurement that is typically used. Consequently, = d d t. Angular acceleration is also known as rotating acceleration.

Researchers are aware that it's because vertical velocity increases linearly with time, it is possible that an object's acceleration is constant and separate of the time variable. The angular acceleration is shown by the degree of the centripetal velocity vs. time graph.

ω1 = 600rev/min

= 600×(2π/60) rad/s

= 62.8rad/s

ω2 = 200rev/min

=200×(2π/60) rad/s

= 20.9rad

t=4 s

angular acceleration α = ?rev/s²

ω2 = ω1+αt

= (ω_2-ω_1)/t

ω_1 = 600rev/min

=(600/60) rev/s

=10rev/s

ω_2 = 200rev/min

=(200/60) rev/s

=3.33rev/s

α = (3.33-10)/4

α = -1.66rev/s²

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The angular acceleration of the electric fan is

−125/2 π rad/min ^2  in 4.00 minutes.

Angular acceleration(α)=Δω/ Δt

Δω is the change in angular velocity, and

Δt is the change in time.

ωi =600rev/min×2π rad/1 rev × 1 min/60s = 20π rad/s

ωf =200rev/min×2π rad/1 rev × 1 min/60s  = 10/3π rad/s

Δω=ωf−ωi =  10/3π rad/s −20πrad/s  = −50/3π rad/s

Δt=4.00s × 1 min/60s = 2/15 min

α = Δω/Δt = − 50/3π rad/s / 2/15 min​ = − 125/2π rad/min^2

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The electric field is found as 5.76 * 10^-17 Volts.

Now we know that the electric field is the region in space where the influence of the charge is felt. We are told that the magnitude of the charge is about 40 e.

Reacll that;

E = Kq/r^2

K = electric constant

q = magnitude of charge

r = distance

Thus;

E = 9 * 10^9 * 40 * 1.6 * 10^-19/1^2

E = 5.76 * 10^-17 Volts

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Answer:

Gravity

Explanation:

The output voltage and current waveforms of a single-phase inverter operating at a shifting angle of 30° to produce a quasi-square wave output voltage waveform at 100 Hz switching frequency, with Vac = 100 V, R = 10Ω and L = 50 mH,  are shown below.

The total harmonic distortion (THD) of the output voltage and current up to 7th order harmonics is calculated to be 2.2% and 3.1%, respectively. The required shifting angle to cancel the fifth harmonic is 36°, and the new THD of the output voltage is calculated to be 1.8%.

The output voltage waveform is a quasi-square wave with a fundamental frequency of 100 Hz. The current waveform is a sawtooth wave with a fundamental frequency of 100 Hz. The THD of the output voltage is calculated using the following formula:

THD = √(∑(Vn/Vrms)^2)

where Vn is the nth harmonic of the output voltage and Vrms is the root mean square value of the output voltage. The THD of the current is calculated in a similar way.

The shifting angle to cancel the fifth harmonic is calculated using the following formula:

θ = 360/n * (5 - 1)

where n is the order of the harmonic to be cancelled. In this case, n = 5, so θ = 36°.

The new THD of the output voltage is calculated using the same formula as before. The only difference is that the fifth harmonic is now zero. This results in a THD of 1.8%.

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The drift velocity v will give us the answer.

\(v = (5 V) / ((2x10^20 electrons/m³) * (2x10^-6 m²) * (1.6x10^-19 C))\)

To find the drift velocity of charges in the wire, we can use Ohm's Law, which states that the current flowing through a conductor is directly proportional to the applied voltage and inversely proportional to the resistance. The equation for Ohm's Law is:

I = V / R

Where:

I is the current flowing through the wire,

V is the applied voltage (in this case, 5 Volts),

R is the resistance of the wire (given as 10^2 Ohms).

Now, we need to calculate the current flowing through the wire using Ohm's Law. The current is the rate at which charges (electrons) move through the wire. The equation for current is:

I = n * A * v * q

Where:

n is the number of charges per unit volume (given as 2x10^20 electrons),

A is the cross-sectional area of the wire (given as 2 mm² or 2x10^-6 m²),

v is the drift velocity of the charges (what we need to find),

q is the charge of each electron (1.6x10^-19 C).

Rearranging the equation and solving for v, we have:

v = I / (n * A * q)

Substituting the given values:

v = (5 V) / ((2x10^20 electrons/m³) * (2x10^-6 m²) * (1.6x10^-19 C))

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Answer:

Explanation:

im confused

Answer:. B

Explanation: how this helps sry if I'm wrong

Answer:

Light is electromagnetic radiation that has properties of waves. The electromagnetic spectrum can be divided into several bands based on the wavelength. As we have discussed before, visible light represents a narrow group of wavelengths between about 380 nm and 730 nm.

OR

The primary properties of visible light are intensity, propagation-direction, frequency or wavelength spectrum and polarization, while its speed in a vacuum, 299 792 458 m/s, is one of the fundamental constants of nature.

We can calculate the refractive index by substituting the values into the formula: n = √(1 - (2.774 × 10^6 / f)^2). The refractive index of the ionospheric layer can be determined using the formula n = √(1 - (f_ce / f)^2)

(a) The refractive index of the ionospheric layer can be determined using the formula n = √(1 - (f_ce / f)^2), where n represents the refractive index, f_ce is the electron gyrofrequency, and f is the frequency of the incident wave.

The electron gyrofrequency (f_ce) can be calculated using the formula f_ce = 8.978 × √(N), where N is the electron density. Substituting the given electron density value, we have f_ce = 8.978 × √(24.536 × 10^11) ≈ 2.774 × 10^6 Hz.

Now, we can calculate the refractive index by substituting the values into the formula: n = √(1 - (2.774 × 10^6 / f)^2).

(b) The critical frequency for the communication link can be determined using the formula f_c = f_ce / sin(θ), where f_c represents the critical frequency and θ is the angle of incidence. Substituting the given angle of 60°, we have f_c = 2.774 × 10^6 Hz / sin(60°).

(c) The maximum usable frequency (MUF) can be calculated using the formula MUF = f_c / sin(θ). Substituting the critical frequency and angle of incidence given in parts (b) and (a), respectively, we can find the MUF.

(d) Transmissions would fail at the frequencies of 10 MHz and 30 MHz because they are below the critical frequency. The critical frequency represents the maximum frequency that can be reflected back to Earth by the ionospheric layer. If the frequency of the transmission is below the critical frequency, the wave would penetrate through the ionosphere and not be reflected back, leading to a failed transmission.

(e) The ionosphere bends high-frequency radio waves towards Earth due to the phenomenon of refraction. When a radio wave encounters the ionosphere, which is composed of charged particles, it experiences a change in speed and direction. This change in speed and direction is due to the varying density and composition of the ionosphere at different altitudes.

As the radio wave passes through the ionosphere, its path is curved downward towards the Earth's surface. This bending phenomenon occurs because the refractive index of the ionosphere is greater than that of the surrounding vacuum or atmosphere. The higher the frequency of the radio wave, the greater the bending effect due to the higher electron density in the ionosphere at higher altitudes.

This bending of high-frequency radio waves allows for long-distance communication by enabling the waves to travel beyond the line-of-sight. It plays a crucial role in long-distance radio communication, especially in areas where direct line-of-sight transmission is obstructed by the Earth's curvature or other obstacles.

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Answer: Speed increases

Explanation:

A streamlined shape reduces the surface area making contact with the fluid (in this case, water).  Less surface area making contact with the fluid means friction is reduced.  The lower the force of friction, the lower the "drag" on the object in motion, hence the faster it can go.  The force of friction is always in the opposite direction of the motion of the object.

The force diagram of the player has been shown in the image attached here.

The force diagram of a player sliding to a stop depends on the specific situation and factors such as the player's mass, velocity, and the surface on which they are sliding. However, we can make some generalizations based on common assumptions and considerations.

We know that the force of kinetic friction that is sliding the player to a stop would tend to have a higher magnitude as shown by the force diagram.

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It is more difficult to start moving a heavy carton from rest than it is to keep pushing it with constant velocity because of static friction.

Static friction refers to the resistance encountered when attempting to initiate the movement of two objects that are in contact with each other but not currently in motion relative to each other. When an object is at rest, the force of static friction acts in the opposite direction to any force applied to it.

In this case, the force applied to the carton is the force needed to start moving it from rest. The force of static friction is greater than the force applied to the carton, making it difficult to start moving the carton from rest.

Once the carton is moving with constant velocity, the force of static friction is no longer acting on it. The only force acting on the carton is the force that is applied to keep it moving at a constant velocity. This force is equal to the force of kinetic friction which is less than the force of static friction.

To summarize, the initial effort required to overcome the static friction between a heavy carton and its resting position is greater compared to the continuous force needed to maintain its constant velocity. The force of static friction is greater than the force applied to the carton, making it difficult to start moving the carton from rest.

Once the carton is moving with constant velocity, the force of static friction is no longer acting on it, and the only force acting on the carton is the force that is applied to keep it moving at a constant velocity.

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The mass matrix M (p) describes the generalized mass and inertia of the system as a function of the vehicle pose.

The term "generalized mass" usually refers to a representation of the "physical" mass matrix that has been transformed from "physical" (also known as "nodal" in FE) coordinates to generalised (also known as "modal") coordinates.

The eigenvalue analysis yields eigenvalues, which are related to the system's natural frequencies (2*pi*f2), and eigenvectors, which are the mode shapes associated with each of those frequencies. When all of these eigenvectors are combined into one matrix, with each column of the matrix representing one eigenvector, we have the system's "modal matrix." You can scale each column however you want. The columns are frequently scaled so that each has a maximum value of 1.

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Answer:

423 is the answer

I don't know the real. answer

Answer:

a=14m/s^2

Explanation:

F=ma

42N=3kg*a

a=14m/s^2

Answer: the answer is 3rd

Answer:

Its Newton third law of motion.

Explanation:

For every action,there is equal and opposite reaction.

Answer:

The answer is B

Sound waves

Doctors are more concerned about a fever of a few degrees Celsius than a fever of a few degrees Fahrenheit because variations in body temperature are more easily understood and tracked in Celsius, which is the more popular and accurate temperature measure in the medical world.

If the human body temperature were 98.6 C (209.48 F), it would be a life-threatening condition because the temperature is well above the boiling point of water, and proteins in the body would denature, leading to irreversible damage to organs and tissues. In reality, a body temperature of 98.6 degrees Fahrenheit (37 degrees Celsius) is considered normal, while a fever is defined as a temporary increase in body temperature above this level.

Doctors worry more about a fever of a couple of degrees Celsius than a fever of a couple of degrees Fahrenheit because Celsius is the more widely used temperature scale in the medical community, and changes in body temperature are better understood and monitored in Celsius. Additionally, Celsius is a more precise temperature scale than Fahrenheit, with each degree Celsius representing a smaller change in temperature than each degree Fahrenheit. For example, a fever of 38.5 degrees Celsius (101.3 degrees Fahrenheit) is a more significant increase in body temperature than a fever of 100.4 degrees Fahrenheit, which is only 1.8 degrees Fahrenheit above normal.

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According to the information we can infer that the travel angle is called a "drag" angle.

In welding terminology, the travel angle refers to the angle between the axis of the electrode and the workpiece surface. When the top of the electrode leads the welding end (meaning the electrode is inclined downward at an angle) and the welding arc is pointing back toward the weld bead, it is known as a "drag" angle.

In this configuration, the electrode is dragged along the surface of the workpiece, creating a trailing arc direction. This technique is commonly used in certain welding processes, such as shielded metal arc welding (SMAW) or stick welding, to control the heat input and the direction of the molten metal flow during the welding operation.

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Answer:

I believe the answer is B. Reducing the angle of the ramp. ( sorry if wrong:)

The average atomic mass of element X is approximately 128.44 amu.  The average atomic mass takes into account the relative abundances of the isotopes.

The average atomic mass is calculated by multiplying the mass of each isotope by its abundance and summing up these values. In this case, element X has three isotopes:

¹²⁶X, ¹²⁸X, and ¹³⁰X, with abundances of 22.00%, 34.00%, and 44.00% respectively.

To calculate the average atomic mass, we multiply the mass of each isotope by its abundance and sum up these values. The atomic mass of ¹²⁶X is 126 amu, ¹²⁸X is 128 amu, and ¹³⁰X is 130 amu.

Using the given abundances and atomic masses, we can calculate the average atomic mass as follows:

Average Atomic Mass = (126 amu × 0.22) + (128 amu × 0.34) + (130 amu × 0.44)

                  = 27.72 amu + 43.52 amu + 57.20 amu

                  = 128.44 amu

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The size of the field needed to create resonance is

= \(2\pi fmp/q\)

= \(2\pi (12.0X10\)⁶)(\(1.67X10\)⁻²⁷kg)

= 0.787T.

What is Kinetic energy?

A particle or an item that is in motion has a sort of energy called kinetic energy. When work, which entails the transmission of energy, is done on an object by applying a net force, that object acquires kinetic energy.

Therefore, the Kinetic energy is given by

K = 1/2 mv²

  = 1/2m\((2\pi Rf)\)²

 = 1/2\((1.67X10\)⁻²⁷kg)4\(\pi\)²(0.530m)²(12.0X10⁶Hz)²

 = 1.33X10⁻12J

 = 8.34X10⁶eV.

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The centripetal force on the model helicopter is 6.25N.

The radius of the curve of the model helicopter is 30m and the mass of the helicopter is 300g, it is travelling with a speed of 90km/h.

Converting the speed into m/s, speed is 25m/s.

The centripetal force on a body is given by,

F = Mv²/r

Where,

F is the force,

V is the speed,

r is the radius,

So, putting values for helicopter,

F = 0.3 x 25 x 25/30

F = 6.25 N.

So, the centripetal force is 6.25 N.

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The inlet steam temperature that is preferred if a 100 barg steam goes through a turbine to 30 barg to generate power is option B, 312 °C.

Let's briefly explain the reason below:

Explanation:

The temperature and pressure of steam at the turbine inlet must be chosen with care to achieve the best turbine performance, and it depends on the design of the turbine and the purpose for which it is being used.

The following are the turbine types and their inlet steam temperature and pressure:

Impulse turbine- The steam pressure must be kept as high as possible, but the temperature must be kept as low as possible because the turbine's speed is affected by the steam's high velocity, and the blade's material must be able to handle the high velocity. The ideal steam inlet temperature is between 236 to 400 °C.Compound turbines- This turbine type has multiple stages of turbines with either one or multiple steam inlets. The first stage uses high-pressure steam, while the last stage uses low-pressure steam. The temperature of the steam depends on the steam pressure. High-pressure steam requires a higher temperature, and low-pressure steam requires a lower temperature. For example, the optimal temperature range for steam at 100 bar pressure is between 312 to 400°C, but at 30 bar pressure, it is between 236 to 312°C. Therefore, to generate power from 100 barg steam going through a turbine to 30 barg, a steam inlet temperature of 312°C is preferred.

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Answer:

C.

Explanation:

grassland are used for cropland

In an ecosystem, as the human population increases grasslands  are used for cropland.

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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