the electron beam path isn't exactly circular; it spirals slightly inward. why is this? (hint: what variables affect the beam's radius?)

Answer:

Explanation:

It's the same. Wattage is E*I. It doesn't matter what the values are in the primary or secondary as long as the multiply out to the same amount.

For example

e = 110 volts

i = 3 amperes.

is = secondary voltage = 10 amperes.

es = ?

110 * 3 = 10 * x          Divide both sides by 10

11 * 3 = x

x = 33 volts.

110 * 3  = 330

10 33 = 330

The centripetal acceleration of the hammer is 36.36 m/s².

Centripetal acceleration is a characteristic of an object's motion along a circular path. Centripetal acceleration applies to any item travelling in a circle with an acceleration vector pointing in the direction of the circle's center.

Mass of the hammer = 6.90 kg.

Angular speed of the hammer = 0.9 rev/s

= 2π × 0.9 rad/s

= 6.031 rad/s

Length of the chain = 1.0 meter.

Hence,  the centripetal acceleration of the hammer is = ω²r

= (6.03)² × 1.0 m/s²

= 36.36 m/s²

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Answer:

The Answer is gonna be According D.separate atoms from their electrons

Answer:

hurricanes are the most awesome Violet storms on the earth people call the storms by other names such as typhoon or cyclone depending on where the car whatever they are called topical cologne all from the same way

Explanation:

so technically hurricanes are the most Violet storms

Answer:

\(V_{2.2} =2.2V\)

Fast and loose: that's a classic voltage divider. the drop from the i-th resistor is \(R_i \over {\sum R}\) of the drop across the whole series. In our situation, it's \(2.2\cdot 10^3 \over {2.2\cdot10^3 + 6.8\cdot 10^3\) of 9 V. By plugging numbers in a calculator, it's 22/90 of 9V, or 2.2V

With Ohm's Law

The series is equivalent of a single resistor of Resistance \(2.2\cdot 10^3+6.8\cdot 10^3 \Omega = 9.0 k\Omega\). By Ohm's first Law (\(V=Ri\)) the current flowing through the resistor is \(9V = 9*10^3\Omega i \rightarrow i=1mA\). At this point, the drop across the first resistor is, again by Ohm's law\(V = 2.2 \cdot 10^3 \Omega \cdot 1\cdot 10^{-3} A = 2.2V\)

Most helpful Answer~

There are no options~

Anyway If the ball is of bad quality it will get deflated/ or strike out.

' The must reasonable thing that could happen is that the ball will bounce'

*Smile* :)  

Infrared radiation has longer wavelengths compared to visible radiation, and lower energy per photon.

Infrared radiation (IR) is a type of electromagnetic radiation that is not visible to the human eye. It has a longer wavelength and lower frequency than visible light, and it is part of the electromagnetic spectrum that also includes radio waves, microwaves, visible light, ultraviolet radiation, X-rays, and gamma rays.

Infrared radiation is often associated with thermal radiation, which is the emission of electromagnetic waves from objects that are at a temperature above absolute zero. This is because infrared radiation is often emitted by objects that are warm, and it is this type of infrared radiation that is responsible for our ability to feel heat.

Infrared radiation has a wide range of applications, including in remote sensing, thermal imaging, and heating. For example, in remote sensing, infrared radiation can be used to observe and study the Earth and other celestial objects, as well as to detect and monitor changes in temperature, vegetation, and other physical properties. In thermal imaging, infrared cameras are used to detect heat signatures and create images based on temperature differences. In heating, infrared heaters use infrared radiation to heat objects and materials directly, rather than heating the air around them.

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Answer:

BOOM

Explanation:

Astronauts perform many tasks as they orbit Earth. The space station is designed to be a permanent orbiting research facility. Its major purpose is to perform world-class science and research that only a microgravity environment can provide. The station crew spends their day working on science experiments that require their input, as well as monitoring those that are controlled from the ground. They also take part in medical experiments to determine how well their bodies are adjusting to living in microgravity for long periods of time.

Working on the space station also means ensuring the maintenance and health of the orbiting platform. Crew members are constantly checking support systems and cleaning filters, updating computer equipment: doing many of the things homeowners must do to ensure their largest investment stays in good shape. Similarly, the Mission Control Center constantly monitors the space station and sends messages each day through voice or email with new instructions or plans to assist the crew members in their daily routines.

Answer:

I'll be utilizing this section from the end to help me with Newton's law: "The acceleration of an item depends on the mass of the object and the amount of force applied." I believe that duties like as resting, fixing objects outside and within the ship, and just enabling them to stay grounded would benefit greatly from modifications. I believe that extremely powerful suction would be required to keep the astronauts grounded. For ease of access, the portions would be placed on both the feet and the hand.

Explanation:

Two coherent sources of intensity ratio 1: 4 produce an interference pattern. The visibility of fringes will be 0.6. Thus, the correct option is B.

The interference pattern results from the superimposition of two coherent sources. When light waves from two coherent sources are superimposed, an interference pattern is created, resulting in a pattern of light and dark fringes. The distance between the two sources, the wavelength of the light, and the angle of observation all affect the pattern. This pattern is referred to as an interference pattern.

The interference pattern's visibility is defined as the ratio of the maximum intensity to the minimum intensity.

V = (Imax- Imin)/(Imax + Imin)

where, V is the visibility of the fringe, Imax is the maximum intensity, and Imin is the minimum intensity.

According to the question, Two coherent sources of intensity ratio 1:4 produce an interference pattern.

Using the above formula: V = (Imax - Imin)/(Imax + Imin)

We know that the two sources' intensity ratio is 1:4.

Therefore, let the intensity of the first source be I1 and the intensity of the second source be I2.I1/I2 = 1/4 = I2 = 4I1

Imax = I1 + I2 = I1 + 4I1 = 5I1

Imin = I1 - I2 = I1 - 4I1 = -3I1

Substitute the value of Imax and Imin in the visibility formula:

V = (Imax - Imin)/(Imax + Imin)= (5I1 - (-3I1))/(5I1 + (-3I1))= (5I1 + 3I1)/(5I1 - 3I1) = 8I1/2I1 = 4

Therefore, the visibility of fringes will be 0.6.

Therefore, the correct option is B.

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After stating a hypothesis, next step that a physicist is most likely

to take is A. Planning and performing an experiment to answer the question

It is a tentative statement about the possible outcome of a scientific research study on a particular topic.

There are two parts of a physics problem , one is theoretical and the other is practical proof of that theory . So, after hypothesis scientists conduct an experiment to test its validity

hence correct answer is A. Planning and performing an experiment to answer the question

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Answer: It would be; A/B

The vertical positions, velocity, and acceleration during the downward part of the trajectory of the ball are given as +Y, +V, and +a respectively.

The motion of an object in a given direction may be considered a positive or negative motion depending on a given conventional direction.

The downward motion of an object toward the earth's surface is considered a positive motion while the upward motion of an object against the gravitational pull of the earth is considered a negative motion.

The vertical positions, velocity, and acceleration of an object falling under gravity are positive.

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just add for distance

for displacement:

parallel: add if the direction is the same

               subtract  if different

perpendicular:  find the hypothness

distance     displacement

6                    2m north

6                     2m west

10                  5√2m southwest

12                  2√26m nothwest

6                     6m east

7                      5m northeast

14                     10m southeast

21                       15m northwest

Answer:

8.70 s

Explanation:

Given (in the y direction):

v₀ = 2.38 m/s

v = 0 m/s

a = 0.310 sin (-62.0°) m/s²

Find: t

v = at + v₀

0 m/s = (0.310 sin (-62.0°) m/s²) t + (2.38 m/s)

t = 8.70 s

Answer:

1m every 0.28 seconds

Explanation:

she travelled 5 m in 1.4 s, so divide it by itself, 1.4s divided by 5 m gets you 0.28s for 1m

The centre of mass of the region is bounded by y=9-x^2 y=5/2x, and the z-axis is (3.5, 33/8). Formulae used to find the centre of mass are as follows:x bar = (1/M)*∫∫∫x*dV, where M is the total mass of the system y bar = (1/M)*∫∫∫y*dVwhere M is the total mass of the system z bar = (1/M)*∫∫∫z*dV, where M is the total mass of the systemThe region bounded by y=9-x^2 and y=5/2x, and the z-axis is shown in the attached figure.

The two curves intersect at (-3, 15/2) and (3, 15/2). Thus, the total mass of the region is given by M = ∫∫ρ*dA, where ρ = density. We can assume ρ = 1 since no density is given.M = ∫[5/2x, 9-x^2]∫[0, x^2+5/2x]dAy bar = (1/M)*∫∫∫y*dVTherefore,y bar = (1/M)*∫[5/2x, 9-x^2]∫[0, x^2+5/2x]y*dA= (1/M)*∫[5/2x, 9-x^2]∫[0, x^2+5/2x]ydA...[1].

The limits of integration in the above equation are from 5/2x to 9-x^2 for x and from 0 to x^2+5/2x for y.To evaluate the above integral, we need to swap the order of integration. Therefore,y bar = (1/M)*∫[0, 3]∫[5/2, (9-y)^0.5]y*dxdy...[2].

The limits of integration in the above equation are from 0 to 3 for y and from 5/2 to (9-y)^0.5 for x.Substituting the values and evaluating the integral, we get y bar = (1/M)*[(9-5/2)^2/2 - (9-(15/2))^2/2]= (1/M)*(25/2)...[3].

Also, the x coordinate of the center of mass is given by,x bar = (1/M)*∫∫∫x*dVTherefore,x bar = (1/M)*∫[5/2x, 9-x^2]∫[0, x^2+5/2x]x*dA= (1/M)*∫[5/2x, 9-x^2]∫[0, x^2+5/2x]xdA...[4].

The limits of integration in the above equation are from 5/2x to 9-x^2 for x and from 0 to x^2+5/2x for y.To evaluate the above integral, we need to swap the order of integration. Therefore, x bar = (1/M)*∫[0, 3]∫[5/2, (9-y)^0.5]xy*dxdy...[5].

The limits of integration in the above equation are from 0 to 3 for y and from 5/2 to (9-y)^0.5 for x.

Substituting the values and evaluating the integral, we get x bar = (1/M)*[63/8]= (1/M)*(63/8)...[6]Thus, the centre of mass of the region is bounded by y=9-x^2 y=5/2x, and the z-axis is (3.5, 33/8).

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Answer: chicken nuggy

Explanation:

because chicken muggy

Answer:

Hi there!

Using Hooke's Law:

F = kx

F = Force (N)

k = Spring constant (N/m)

x = displacement (m)

Begin by converting cm to m:

280 cm = 2.8 m

Now, plug in the givens:

25 = 2.8k

k = 8.93 N/m

All of the Following statements concerning the nuclear force is false. so, the correct answer is (E) None of them is correct.

Because, All of the statements mentioned concerning the nuclear force are true:

A. The nuclear force is attractive: The nuclear force, also known as the strong nuclear force, is an attractive force that holds the nucleus of an atom together.

B. The nuclear force is short-ranged: The nuclear force has a very short range, typically limited to the size of an atomic nucleus.

C. The nuclear force is weak relative to the electrostatic force: The nuclear force is stronger than the electromagnetic force (which includes electrostatic forces), especially at short distances.

D. The nuclear force does not distinguish protons from neutrons: The nuclear force acts equally on protons and neutrons, without distinguishing between them.

Therefore, the false statement is E. None of them is correct.

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The kinetic energy of the charge at point y K.E. = q2E2t2 / 2m is the formula of columb's law.

What is kinetic energy?

Kinetic energy is the energy of motion. It is the energy possessed by an object due to its motion. This type of energy is associated with the movement of particles, atoms and molecules. Kinetic energy is expressed in terms of mass, velocity, and momentum. It can be calculated using the formula KE = ½mv², where m is the mass of the object and v is its velocity. Kinetic energy is associated with a variety of physical phenomena, including sound, light, electricity, and magnetism.

Law of Coulomb

The electrostatic force between two charged items is inversely proportional to the square of the distance between the two objects and directly proportional to the product of their charges.

Electrostatic force,

F = q E

m (dv/dt) = q E

Integrating, we will get,

v = q E t / m + c  

where c= integraing constant.

at t = 0, v = 0, so c = 0

now, v = q E t / m

Therefore,

K.E. =1/2 m v2

K.E. = q2E2t2 / 2m

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196 children and 165 adults were admitted to the amusement park on that day.

Let's assume that the number of children who entered the park was "x" and the number of adults who entered was "y". According to the problem, we know that the admission fee for children is $1.5 and for adults is $4. Using this information, we can create two equations:

1.5x + 4y = 954  (total admission fees collected on that day)
x + y = 361  (total number of people who entered the park)

Now, we need to solve these equations simultaneously to find the values of x and y. One way to do this is to use substitution. We can rearrange the second equation as x = 361 - y and substitute this value of x in the first equation:

1.5(361-y) + 4y = 954

Expanding the brackets and simplifying, we get:

541.5 + 2.5y = 954
2.5y = 412.5
y = 165

Substituting this value of y in x + y = 361, we get:

x + 165 = 361
x = 196

Therefore, 196 children and 165 adults were admitted to the amusement park on that day.

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i. The elasticity at point \( g \) is the measure of responsiveness or sensitivity of a quantity to changes in another variable at point \( g \).

ii. To determine the elasticity at point \( h \), we first need to establish what quantity we are referring to at point \( h \). Once we have identified the relevant quantity, we can then calculate its elasticity by measuring the responsiveness or sensitivity to changes in another variable at point \( h \).

i. To determine the elasticity at point \( g \), we need specific information about the variables and their relationship. Elasticity is typically calculated as the percentage change in one variable divided by the percentage change in another variable.

ii. Without additional information about the specific variables and their relationship at point \( h \), it is difficult to provide a precise answer. The concept of elasticity requires specific context and variables to be defined in order to calculate or describe it accurately.

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Answer:

13.71

Explanation:

13.71 miles per hour

Rounding to two significant figures, the angular separation is 3.6 degrees.

Angular separation is a measure of the angular distance between two objects in the sky, such as stars, planets, or galaxies. It is expressed in degrees, arcminutes, and arcseconds. Angular separation is used to measure the distance between objects in the sky and to determine the size of celestial objects. It is also used to measure the distances between stars and galaxies, which helps astronomers to understand the size and scale of the universe.

The angular separation of the two spectral lines is equal to the difference between the two wavelengths, \($\lambda_2-\lambda_1$\), multiplied by the number of lines per cm in the spectrometer, \($L$\).
\($$\Delta\theta=\frac{(\lambda_2-\lambda_1) \cdot L}{d}$$\)
Where $d$ is the distance between the two lines in cm.
Using the given information, we can calculate the angular separation:\($$\Delta\theta=\frac{(589.592-588.995)\cdot 3900}{1 cm}=3.597 \ \text{degrees}$$\)
Rounding to two significant figures, the angular separation is 3.6 degrees.

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The kinetic energy of the spring is obtained as 12 J. Option C

We know that the kinetic energy is the energy that is required to stretch the spring. We can use the graph that has been shown to show the force constant of the spring.

We can find the force constant as the slope of the graph as follows;

K = \(y_{2} - y_{1} /x_{2} - x_{1}\)

K = 60 - 0/0.3 - 0.2

K = 60/0.1

K = 600 N/m

We then have;

W = KE = 1/2 Kx^2

Thus;

KE = 0.5 * 600 * (20 * 10^-2)^2

KE = 12 J

It would have a kinetic energy of 12 J.

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R(F) = 4F - 160

a. R¹(P) represents the temperature at which a cricket chirps at a rate of P chirps per minute.

b. R(60) refers to the chirping rate of the cricket when the temperature is 60 degrees Fahrenheit, while R¹(60) represents the temperature at which the cricket chirps at a rate of 60 chirps per minute.

The equation R(F) = 4F - 160 represents the relationship between the temperature of the cricket's environment (F) and its chirping rate (R). By plugging in different temperature values, we can determine the corresponding chirping rate.

For example, when we calculate R(60), we find the chirping rate at 60 degrees Fahrenheit.

In this case, R(60) = 4(60) - 160 = 240 - 160 = 80 chirps per minute.

On the other hand, when we calculate R¹(60), we are looking for the temperature at which the cricket chirps at a rate of 60 chirps per minute. Solving the equation 60 = 4F - 160, we find F = 70 degrees Fahrenheit. Therefore, R¹(60) = 70.

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The security guard make the trip of 120 m of distance in a time of 250 s with a speed of: 0.48 m/s

The formula and procedure we will use to solve this exercise is:

v = x /t

Where:

Information about the problem:

Applying the velocity formula we have that:

v = x /t

v = 120 m /250 s

v = 0.48 m/s

It is a physical quantity that indicates the displacement of a mobile per unit of time, it is expressed in units of distance per time, for example (miles/h, km/h).

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Answer:

16 ms2 is the answer for this question

It is 1.93 metres away from the post.

for vertical motion

\(S= u t + \frac{1}{2} g t^{2}\)

S = 0 +  \(\frac{1}{2} g t^{2}\)

1.7 = \(\frac{1}{2} 9.8 t^{2}\)

t = 0.589 sec

using law of  conservation of momentum, on the horizontal motion

\(m_{bullet} \ v_{bullet i} = m_{bullet} \ v_{bullet f} + m_{tin} \ v_{tin}\)

\(0.0020 = 0.0020 \ 3 \ 720 + 0.11 \ v_{tin}\)

\(v_{tin}\) = 3.273 m/s

S = \(v_{tin} \ t\)

   = 3.273 m/s * 0.589 s

   = 1.93 m

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