I am a change in movement cause by unbalanced forces what am I?

The given question describes a diode consisting of a cylindrical cathode and a cylindrical anode. The cathode has a radius of 6.200×10−2 cm, and the anode has a radius of 0.5580 cm. The potential difference between the anode and cathode is 345 V.An electron leaves the surface of the cathode with zero initial speed (vinitial).

To calculate the final speed of the electron (vfinal), we can use the equation for the kinetic energy:

KE = (1/2)mv^2

Since the electron starts with zero initial speed, the initial kinetic energy is zero. Therefore, we can set up the equation as:

0 = (1/2)m(vfinal)^2

To solve for vfinal, we need to know the mass of the electron (m). The mass of an electron is approximately 9.10938356 × 10^(-31) kg.

0 = (1/2)(9.10938356 × 10^(-31) kg)(vfinal)^2

We can rearrange the equation to solve for vfinal:

vfinal = √(0 / (1/2)(9.10938356 × 10^(-31) kg))

vfinal = 0 m/s

Therefore, the final speed of the electron leaving the surface of the cathode is 0 m/s.

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Answer:

We know that for a pendulum of length L, the period  (time for a complete swing) is defined as:

T = 2*pi*√(L/g)

where:

pi = 3.14

L = length of the pendulum

g = gravitational acceleration = 9.8 m/s^2

Now, we can think on the swing as a pendulum, where the child is the mass of the pendulum.

Then the period is independent of:

The mass of the child

The initial angle

Where the restriction of not swing to high is because this model works for small angles, and when the swing is to high the problem becomes more complex.

In glider, (A) T=360s, (B) F=0.0028 Hz, (C) A=26.5 cm and (D) vmax= 1.5 cm/s

Given data; A = 16.0 cm B = 69.0 cm N = 9.00n = 40.0 s

Part A: The period of oscillation is given by ;T = n × t, T = 9.00 × 40.0, T = 360s, T = 3.6×102s, T = 3.6×100s, T = 360sT = 360.0s, T = 3.6 × 10²s, T = 3.6 × 100s, T = 360s.

The period of oscillation is 360s.

Part B: The frequency of oscillation is given by; f = 1/T f = 1/360.0, f = 0.0027777778, f = 0.0028 Hz .

The frequency of oscillation is 0.0028 Hz.

Part C: The amplitude of oscillation is given by;A = (B − A)/2A = (69.0 - 16.0)/2A = 53.0/2A = 26.5 cm .

The amplitude of oscillation is 26.5 cm.

Part D: The maximum speed of the glider is given by; v max = A × 2π/T vmax = (26.5) × 2π/360, vmax = 1.4658, vmax = 1.5 cm/s .

The maximum speed of the glider is 1.5 cm/s.

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The long-term effectiveness of this suggestion depends on various factors such as the type and quality of carbohydrates consumed, overall diet, and individual health factors.

The suggestion of consuming lots of carbohydrates may provide temporary relief for Rohit's father in terms of providing energy and reducing fatigue. Carbohydrates are a primary source of energy for the body, and consuming them can lead to an increase in blood sugar levels, providing a quick boost of energy.

Excess consumption of carbohydrates can lead to several health issues. When the body receives more carbohydrates than it needs, the excess is converted into glycogen and stored in the liver and muscles. However, once these storage spaces are full, the excess carbohydrates are converted into fat and stored in adipose tissue, leading to weight gain and potential obesity-related complications. Additionally, a diet high in refined carbohydrates and sugars can cause spikes in blood sugar levels, increasing the risk of developing insulin resistance and type 2 diabetes. Therefore, it is important to maintain a balanced and varied diet that includes carbohydrates, proteins, healthy fats, and other essential nutrients to support overall health and well-being.

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Answer:

heuristic.

Explanation:

Psychology can be defined as the scientific study of both the consciousness and unconsciousness of the human mind such as feelings, emotions and thoughts, so as to understand how it functions and affect human behaviors in contextual terms.

This ultimately implies that, psychology focuses on studying behaviors and the mind that controls it.

A heuristic is an automatic mental shortcut or rule of thumb that avail people the opportunity to make quick and efficient judgement in decision-making process, as well as proffering solutions to a problem. Thus, it allows people to make decisions, pass probability judgement or proffer solutions to problem quickly and efficiently while applying minimal mental effort.

Basically, a heuristic helps an individual to shorten the decision-making time while paying less attention on thinking of his or her next course of action.

Hence, when you're advised to try working backward from the desired goal to the starting point or current state. This advice describes a heuristic.

Explanation:

hello,

a = ( v - u ) / t

where u is the initial velocity.

and v is the final velocity.

t represents time,

and a represents acceleration.

in this case,

a = 1.4 m/s²

u = 6 m/s

v = 13 m/s

hence,

1.4 = (13 - 6)/t

1.4t = 7

t = 7/1.4

t = 5 s

thank you!

Answer:

about 4 km

Explanation:

15 minutes is a quarter of an hour, so you divide 16km by 4 to get your answer

Answer:

B

Explanation:

that is the most common due to the fact that you can observe what you want before you make a purchase

Answer:

Explanation:

b

The minimum coating thickness needed to ensure that light of wavelength 488nm and of perpendicular incidence will be reflected from the two surfaces of the coating with fully constructive interference is \(8.1 \times10^ {-8} m\)

We know that

\(L= \frac {(2m+1) \lambda }{4n}\)

To find the smallest coating thickness, we take m=0. Then,

\(L= \frac { \lambda }{4n}\)

\(L= \frac {488 \times 10^ {-9}}{4 \times 2}\)

\(L = 8.1 \times 10 ^{-8} m\)

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The language of the given pushdown automaton (PDA) can be described as follows:

The PDA has a stack alphabet consisting of symbols 'a', 'b', 'z', '6', '1', '۸', '2', '9', '0', 'x', 'y'. 'z' represents the stack end symbol.

The transitions of the pushdown automaton (PDA) are as follows:

Thus, the language accepted by this PDA is characterized by a sequence of 'a's followed by a sequence of 'b's, where the number of 'b's is three times the number of 'a's, and each 'b' is followed by a corresponding sequence of '90', '91', '92', 'a', 'b', 'b', 'b', '1', 'b', 'b', '1', and ending with '1'.

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Answer:

Energy stored in an object due to its position is Potential Energy. · Energy that a moving object has due to its motion is Kinetic Energy.

Explanation:

Answer:

To summarize, potential energy is the energy that is stored in an object due to its position relative to some zero position.

Holding a bow and arrow before shooting, The amount of energy stored before you race on track, And a roller coaster going to it's highest point staying there waiting to come down.

Mechanical energy lost is 127 J So, Option 'A' is the correct answer to the following question.

What information de we have?

Mass of brick = 1.5 kg

Velocity = 13 m/s

Time taken = 4.8 second

Mechanical energy lost = [KE(Final)] - [KE(Initial)]

Mechanical energy lost = [(1/2)(m)(v²)] - [(1/2)(m)(u²)]

Mechanical energy lost = [(1/2)(1.5)(0²)] - [(1/2)(1.5)(13²)]

Mechanical energy lost = 0.75 - [(1/2)(253.5)]

Mechanical energy lost = 0.75 - 126.75

Mechanical energy lost = 126 J or 127 J (Approx.)

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Work done by the given force as the object moves from x = -1 m to x = +2 m is 21 J.

Force acting on an object moving along the x-axis Fx = (14x - 3.0x²) N

where x is in m.

Work done by force = ∫F dx, limits = -1 to 2

The given force Fx = (14x - 3.0x²) N

∴ Work done W = ∫F dx = ∫(14x - 3.0x²) dx, limits = -1 to 2= [7x² - x³] from x = -1 to 2= [7(2)² - (2)³] - [7(-1)² - (-1)³]= [7(4) - 8] - [7 - (-1)]= 28 - 7= 21 J

Work done by the given force as the object moves from x = -1 m to x = +2 m is 21 J.

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Answer:

An object in motion will stay in motion until it comes in contact with an equal or opposite force

Explanation: this is Newtons first law

Answer:

vestigial structure

Homologous structure

Explanation:

Did the assignment.

Tetra fish that live in caves are blind and have small eyes that do not work. This is an example of a vestigial structure.

A harbour seal's flipper and a human hand have a very similar structure, but function differently. This is an example of a Homologous structure.

Some organisms have elements that seem to be left over from an earlier ancestor but have no apparent purpose. For instance, because they are evolved from reptiles with legs, certain snakes have pelvic bones despite not having any. The human vermiform appendix is another instance of a structure that serves no purpose.

Vestigial structures are these inactive, purposeless structures. Other examples of vestigial structures are the wings of flightless animals like the ostrich, the leaves of some cacti, the remains of whale pelvic bones, and the eyes that are blind in cave mammals.

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Answer:

The movement of a roller coaster is accomplished by the conversion of potential energy to kinetic energy. The roller coaster cars gain potential energy as they are pulled to the top of the first hill. As the cars descend the potential energy is converted to kinetic energy. Roller coasters rely on gravity to take them to the end of the track. This involves two types of energy, potential energy and kinetic energy.

Explanation: my mom told me lol ..

Answer:

The movement of a roller coaster is accomplished by the conversion of potential energy to kinetic energy. The roller coaster cars gain potential energy as they are pulled to the top of the first hill. As the cars descend the potential energy is converted to kinetic energy.

Explanation:

That's gonna help right?

Yes, you will accelerate when you throw a heavy rock forward while standing on a frictionless surface. You will accelerate in the opposite direction to the rock.

The laws of motion developed by Sir Isaac Newton illustrate that an object in motion stays in motion unless an external force acts on it. So, when you toss a heavy rock forward on a frictionless surface, the rock will continue moving in the forward direction until something stops it.

The force that pushes the rock forward is equivalent in magnitude to the force that pushes you backward. Thus, the rock's mass is higher than yours; it will travel further than you, and you will accelerate in the opposite direction to the rock.

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The resulting equation of motion for the system is given by m × x''(t) + k × x(t) = f(t), which is 2 × x''(t) + 18 * x(t) = 2 * sin(2t).

What is  equation of motion?

The equations of motion are a set of mathematical relationships that describe the motion of objects under the influence of forces. There are different sets of equations of motion, depending on the specific scenario and the type of motion being considered (linear motion, projectile motion, circular motion, etc.). The equations of motion for linear motion, also known as the equations of uniformly accelerated motion.

To find the equation of motion for the system, we start with Newton's second law of motion, which states that the sum of forces acting on an object is equal to the mass of the object multiplied by its acceleration. In this case, the object is the 2-kg mass attached to the spring.

The force exerted by the spring is proportional to the displacement of the mass from its equilibrium position, and it can be expressed as F_spring = -k× x(t), where k is the spring constant and x(t) is the displacement of the mass at time t.

In addition to the force exerted by the spring, there is an external force f(t) = 2 ×sin(2t) acting on the mass.

Applying Newton's second law, we have the equation of motion: m ×x''(t) + k ×x(t) = f(t).

Substituting the given values, m = 2 kg and k = 18 N/m, we obtain 2 ×x''(t) + 18 × x(t) = 2 ×sin(2t).

Therefore, the resulting equation of motion for the system is 2 × x''(t) + 18 × x(t) = 2 × sin(2t).

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Answer:

50%

Explanation:

If a light bulb uses 60J of electrical energy and produces 30 J of light energy, the percent efficiency of the light bulb is 50%.

The total amount of beneficial work accomplished, excluding waste and spoilage, is known as output or work output.

This pulp creates 30 jewels' worth of light energy, for a total of 60 jewels. So that's the energy output. Let's use E. O. to symbolize it. Those are 30 Jews.

Additionally, we must calculate the light bulb's efficiency %. Therefore, we will start by computing the efficiency, which is defined as the ratio of energy output to energy input in this book.

And 30/60 is the efficiency that we obtain. Moreover, this is 1 x 2.

The straightforward ratio between output and input energy—by 100. And the result is that this is 50%. That is the required efficiency percentage for this light bulb.

Therefore, the percent efficiency of the light bulb is 50%

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Major League Baseball games last an average of 190.885 minutes with a standard deviation that was not specified in the question. The standard deviation is a measure of how much the data deviates from the mean or average.

It can be used to determine the spread of the data and how closely the individual values cluster around the mean. Without the standard deviation, it is difficult to make any further conclusions about the duration of MLB games.

It seems that your question is incomplete, and I cannot provide a proper answer without the necessary information.

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Answer:

1. f=1T. where: f is the frequency of the wave in hertz. T is the period of the wave in seconds.

2. f=vλ where: f is the frequency of the wave in hertz. v is the velocity of the wave in meters per second. λ is the wavelength of the wave in meters

3. f=cλ

Explanation:

The slowing force of friction due to ice on the given sled on the ice is determined as 40 N.

The slowing force of friction due to ice can be determined by using Newton's second law of motion as follows;

F = ma

where;

F = 100 x 0.4

F = 40 N

Thus, the slowing force of friction due to ice on the given sled on the ice is determined as 40 N.

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The motion of the ball as it moves from the top of the ramp and comes to rest against the block can be described as follows:

Velocity: The initial velocity of the ball as it is released from the top of the ramp can be calculated by using the kinematic equation v_f = v_i + at, where v_f is the final velocity, v_i is the initial velocity, a is the acceleration, and t is the time.

Distance: The distance traveled by the ball as it moves from the top of the ramp to the point where it comes to rest against the block can be calculated using the kinematic equation d = v_i*t + (1/2)at^2.

Acceleration: The acceleration of the ball can be calculated by using the formula a = (v_f - v_i) / t, where v_f is the final velocity, v_i is the initial velocity, and t is the time.

Force: The net force acting on the ball can be calculated using Newton's second law of motion, F = ma, where F is the net force, m is the mass of the ball, and a is the acceleration.

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Venus completes around 3 orbits for every orbit of Mars, given their respective orbital periods of 0.615 years and 1.88 years.

Venus and Mars have different orbital periods, with Venus completing one orbit around the Sun in approximately 0.615 years, while Mars takes about 1.88 years to complete its orbit. To determine the number of Venus orbits for each Mars orbit, we can divide the orbital period of Mars by that of Venus.

By dividing the orbital period of Mars (1.88 years) by the orbital period of Venus (0.615 years), we get approximately 3.06. This means that Venus completes about 3 orbits for each orbit of Mars.

Venus and Mars are both planets in our solar system, and each has its own unique orbital period, which is the time it takes for a planet to complete one orbit around the Sun. The orbital period of Venus is approximately 0.615 years, while the orbital period of Mars is about 1.88 years.

To determine the number of orbits Venus makes for each Mars orbit, we divide the orbital period of Mars by the orbital period of Venus. In this case, we divide 1.88 years (the orbital period of Mars) by 0.615 years (the orbital period of Venus).

The result of this division is approximately 3.06. This means that Venus completes approximately 3 orbits for every orbit that Mars completes. In other words, as Mars is completing one orbit around the Sun, Venus has already completed about 3 orbits.

This difference in orbital periods is due to the varying distances between the planets and the Sun. Venus orbits closer to the Sun than Mars, which results in a shorter orbital period for Venus compared to Mars.

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Answer: Work = Force x Distance Work = 400 N x 4.0 m Work = 1600 J

Explanation:

The work done is equal to the force applied multiplied by the distance moved in the direction of the force. In this case, the force applied is 400 N and the distance moved in the direction of the force is 4.0 m. Therefore, the work done is:

Work = Force x Distance Work = 400 N x 4.0 m Work = 1600 J

So, when you reach the top of the ramp, you have done 1600 J of work.

Answer:

Vx = 3.10 [m/s]

Vy = 11.59 [m/s]

Explanation:

To solve this problem we must decompose the velocity vector by means of the angle on the horizontal.

v = 12 [m/s]

Vx = 12*cos (75) = 3.10 [m/s]

Vy = 12*sin (75) = 11.59 [m/s]

The Balmer series is a set of emission spectral lines of the hydrogen atom that results from electron transitions from the n = 3 state to the n = 2 state.

The wavelengths of the first five lines of the Balmer series can be calculated using the Rydberg formula.

The formula can be written as:

1/λ = R(1/4 − 1/n²)

where,

R is the Rydberg constant,

n is the principal quantum number of the higher energy level,

λ is the wavelength of the emitted photon.

The first five lines of the Balmer series have n values of 3, 4, 5, 6, and 7.

Plugging these values into the Rydberg formula gives the following wavelengths:

Line 1 (n = 3 → 2): λ = 656.3 nm

Line 2 (n = 4 → 2): λ = 486.1 nm

Line 3 (n = 5 → 2): λ = 434.0 nm

Line 4 (n = 6 → 2): λ = 410.2 nm

Line 5 (n = 7 → 2): λ = 397.0 nm

The wavelengths of the first five lines of the Balmer series are in the visible part of the electromagnetic spectrum.

The wavelengths range from 656.3 nm (red) to 397.0 nm (violet).

Therefore, the first five lines of the Balmer series are part of the visible spectrum.

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Answer:

Explanation:

The kinetic energy of the car can be found by using the formula

\(k = \frac{1}{2} m {v}^{2} \\ \)

m is the Mass

v is the velocity

From the question we have

\(k = \frac{1}{2} \times 1200 \times {5.5}^{2} \\ = 600 \times 30.25\)

We have the final answer as

Hope this helps you

If an object moves along a horizontal line, starting at position s(0) = 2 meters and with an initial velocity of 5 meters/second. If the object has a constant acceleration of 1 m/s², Then the velocity of the object would be 8 m/s.

To find the velocity of the object with constant acceleration, we can use the kinematic equation:

v = u + at

Where:

v is the final velocity,

u is the initial velocity,

a is the acceleration, and

t is the time.

Given:

u = 5 m/s (initial velocity)

a = 1 m/s² (constant acceleration)

Since the problem does not specify a specific time (t), we cannot calculate the exact velocity. However, we can determine the velocity at a certain time by substituting the values into the equation.

For example, if we want to find the velocity at t = 3 seconds:

v = 5 m/s + (1 m/s²) * 3 s

v = 5 m/s + 3 m/s

v = 8 m/s

Therefore, at t = 3 seconds, the velocity of the object would be 8 m/s.

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