you look at yourself in a shiny 9.3 cm diameter christmas tree ball. if your face is 24.5 cm away from the ball's front surface, where is your image? is it real, virtual, upright, or inverted?

The relationship between the period of an oscillating spring and the attached mass determines the ratio of the period to \(\sqrt{\dfrac{m}{k} }\).

Response:

Given:

The relationship between the period, T, the spring constant k, and the

mass attached to the spring m is presented as follows;

\(T = \mathbf{2 \cdot \pi \cdot \sqrt{\dfrac{m}{k} }}\)

Therefore, the fraction of of the period to \(\sqrt{\dfrac{m}{k} }\), is given as follows;

\(\mathbf{\dfrac{T}{ \sqrt{\dfrac{m}{k} }}} = 2 \cdot \pi\)

2·π ≈ 6.23

Therefore;

\(T :{ \sqrt{\dfrac{m}{k} }} = 2 \cdot \pi : 1\)

Which gives;

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Approximately 0.370 seconds after you drop the stone into the well, you will hear it hit the bottom.

To determine how soon after you drop the stone into the well you will hear it hit the bottom, we need to consider the speed of sound and the time it takes for the sound to travel back up from the bottom of the well to your ears.

The speed of sound in air is approximately 343 meters per second (m/s).

The time it takes for the sound to reach the bottom of the well can be calculated using the equation:

time = distance / speed

In this case, the distance is the depth of the well (d), which is given as 127.0 m.

So, the time it takes for the sound to reach the bottom of the well is:

time = 127.0 m / 343 m/s

Calculating this, we find:

time ≈ 0.370 s

Therefore, approximately 0.370 seconds after you drop the stone into the well, you will hear it hit the bottom.

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Answer:

its true since i already did this last year, if i am wrong i apologize

Explanation:

As n is not an integer, so there will be no constructive interference between the speakers, if speaker A is moved by minimum distance.

Interference is a phenomenon in which two waves combine by adding  displacement together at every single point in space and time and to form a resultant wave of greater, lower, or same amplitude.

Wavelength of a 500 Hz sound wave is the speed of sound (about 343 m/s) divided by the frequency of the sound, which is 343/500 m = 0.686 m. Therefore, minimum distance you can move speaker A to achieve constructive interference along x-axis is 0.686/2 m = 0.343 m.

Given, distance between the speakers is 6m. Constructive interference will occur when path difference between two waves is equal to integer multiple of the wavelength. To achieve constructive interference, distance between the speakers + the distance moved by speaker A should be equal to n*wavelength where n is integer.

So, 6 + 0.343 = n* 0.686

n = (6+0.343)/0.686 = 8.8

As n is not an integer, so there will be no constructive interference between the speakers, if speaker A is moved by minimum distance.

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Answer:

I'll give you all the answers, I know them all, I just did this. I need $1 via cas ap tho since it's hard

"Yes, the electronic crime scene is handled completely differently from a traditional crime scene. The electronic crime scene refers to a crime that has taken place in the digital world.

In contrast, a traditional crime scene refers to a crime that has taken place in the physical world, and it is evident that the two scenarios are handled differently.

An electronic crime scene refers to the area or place where electronic evidence is gathered for use in investigations or legal proceedings. Electronic evidence refers to information or data stored, created, or transmitted in electronic devices, including computers, smartphones, flash drives, and other digital devices. The collection of electronic evidence differs significantly from the collection of traditional evidence. The first step is the preservation of electronic evidence. In a traditional crime scene, it is possible to cordon off the area using yellow tapes, close windows, and take photographs of the scene. However, this is not the case with an electronic crime scene since electronic evidence is intangible. This is why digital forensic investigators begin the evidence preservation process by creating a forensic image of the electronic device under investigation. This is done to prevent data loss or alteration before investigations commence.

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Answer:

The force of repulsion is 17.802 N

Explanation:

Given;

magnitude of the first charge, q₁ = 8.6 x 10⁻⁶ C

magnitude of the second charge, q₂ = 2.3 x 10⁻⁴ C

distance between the two charges, r = 1 m

The force of repulsion is calculated using Coulomb's law;

\(F = \frac{Kq_1q_2}{r^2} \\\\F = \frac{9\times 10^9 \times 8.6\times 10^{-6} \times 2.3\times 10^{-4}}{1^2} \\\\F = 17.802 \ N\)

Therefore, the force of repulsion is 17.802 N

Answer:

its on wheels and they are supposed to make it eas

Explanation:

Answer: Wave speed is related to wavelength and wave frequency by the equation: Speed = Wavelength x Frequency. This equation can be used to calculate wave speed when wavelength and frequency are known.

Explanation:

Rational expectations theory suggests that the speed of adjustment Purcell correction would be very quick.

The rational expectations theory is a widely used concept and modeling technique in macroeconomics. Individuals make decisions based on three primary factors, according to the theory: their human rationality, the information available to them, and their past experiences.

The rational expectations hypothesis was originally suggested by John (Jack) Muth 1 (1961) to explain how the outcome of a given economic phenomena depends to a certain degree on what agents expect to happen.

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F=ma

Newton's second law states that force is proportional to what is required for an object of constant mass to change its velocity. This is equal to that object's mass multiplied by its acceleration. We use Newtons, kilograms, and meters per second squared as our default units, although any appropriate units for mass (grams, ounces, etc.) or velocity (miles per hour per second, millimeters per second2, etc.) could certainly be used as well - the calculation is the same regardless.

The statements which are correct about calculating LaToya's mechanical advantage are—The input force is 50 N, the output force is 450 N and the mechanical advantage is 10.Therefore, the correct option is A, D and E.

Mechanical advantage is the ratio of output force to input force. In this case, LaToya is using a force of 50 N to pull a cart that weighs 500 N. The output force is the weight of the cart minus the force LaToya exerts on it:

Output force = 500 N- 50 N = 450 N

To see why statement F is incorrect, note that the formula for mechanical advantage is:

Mechanical advantage = output force / input force

Substituting the values we found earlier, we get:

Mechanical advantage = 450 N / 50 N = 9

So the mechanical advantage is actually 9, not 100.

Therefore, the correct option is A, D and E.

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The magnitude of the displacement of the object after it travelled for seven seconds is 28 m (Option A).

The displacement of an object is the change in the position of the object.

Velocity = displacement / time

How to determine the displacement from the velocity - time graph;

From the question given above, the following data were obtained:

Time = 7 s

Velocity = 4 m/s

Displacement =?

Velocity = displacement / time

4 = displacement / 7

Cross multiply

Displacement = 4 × 7

Displacement = 28 m

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According to René Descartes, machines could not think because they lacked consciousness or a mind. Descartes proposed a dualistic philosophy, which distinguished between the physical body and the immaterial mind or soul. He believed that the mind, or "res cogitans," was responsible for conscious thought, reasoning, and intellect, while the body, or "res extensa," operated mechanically and lacked consciousness.

Descartes argued that thinking and consciousness were unique attributes of human beings and could not be replicated by machines or animals. He claimed that machines, no matter how complex or advanced, were fundamentally different from human beings because they lacked a conscious mind.

Descartes' view became influential in the philosophy of mind and has been subject to debate and criticism over the years. However, his ideas about the distinction between mind and body and the limitations of machines in thinking were significant contributions to the philosophical understanding of cognition and consciousness.

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A football player kicks a football off a tee with a speed of 21 m/s at an angle of 51°, then the horizontal component of the velocity would be 15.58 m/s and the vertical component of the velocity would be 14.07 m/s.

It can be defined as the motion of any object or body when thrown from the earth's surface and follows any curved path under the effect of the gravitational force of the earth.

The horizontal component of the velocity = 21 × cos51 = 15.58 m/s

The vertical component of the velocity = 21 × sin51 = 14.07 m/s

Thus, the horizontal component of the velocity would be 15.58 m/s and the vertical component of the velocity would be 14.07 m/s.

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The reflectivity of an asteroid can be determined by comparing its brightness in visible light to its brightness in infrared light. The correct answer is option A.

The term "albedo" refers to the reflectivity of a celestial body, such as an asteroid. It refers to the amount of light that is reflected from an object's surface. Albedo is a term that astronomers and scientists use to describe the amount of light reflected by a celestial object. Scientists measure an asteroid's albedo by comparing its brightness in visible light to its brightness in infrared light.

Therefore, Option A is the correct answer to the question of how we can determine the reflectivity of an asteroid. By comparing its brightness in visible light to its brightness in infrared light.

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Answer:

with fuel

Explanation:

Answer:

you can add more energy to the car by launching it again.

Explanation:

Answer:

25000 J or 25 kJ

Explanation:

K = 1/2 mv^2

where mass is in kilograms kg

and velocity is in metres per seconds m/s

Here, m = 2000, v = 5

v^2 = 5*5 = 25

1/2 mv^2 = 1/2 * 2000 * 25

= 50000/2

= 25000

Hope it helps!

Answer:

students need to take courses in math, such as calculus, linear algebra, and statistics. Computer science classes also are essential, because physicists and astronomers often develop specialized computer programs that are used to gather, analyze, and model data.

From the table:

When time;

The position;

And when time,

The position;

The average velocity is given as,

Substituting all known values,

Therefore, the average velocity at t=4 s is 5 m/s.

Answer:

Jsdiwkwdmxxj we

Explanation:

hcndjnjwidjxnwnjwi

Answer:

23.8 What is the speed of light in water (n = 1.33)? ... 23.14 Two light pulses are emitted simultaneously from a source. ... The index of refraction for ice is 1.305 ... reflection so all of it is reflected with an angle of reflection of 53° and none of it is refracted into the air. ... For a diamond in air (n2 = 1.00), then, the critical angle is.

Explanation:welcome

Here is a screenshot of the answer:

(The second sentence is incorrect because the triangle should be a right triangle, not an isosceles one. The fifth sentence is incorrect because we use M cos g to calculate the horizontal component.)

Answer:c

Explanation:

because it is the same

Answer: skull, vertebrae, ribs and sternum.

Explanation:

Answer:

a. y = (tanθ)x - 1/2gx²/(v₀cosθ)²

b. Range R = v₀²sin2θ/g

c. Time of flight T = 2v₀sinθ/g

Explanation:

a. Show that the path followed by the object is parabolic

Let the vertical component of its velocity be v₁ = v₀sinθ and the horizontal component of its velocity be v₂ = v₀cosθ where v₀ = initial velocity of the projectile.

Now, for its vertical displacement Δy = v₁t - 1/2gt²   (1)

Its horizontal displacement Δx = v₂t  (2)

From (2) t = Δx/v₂

Substituting t into (1), we have

Δy = v₁(Δx/v₂) - 1/2g(Δx/v₂)²

= (v₁/v₂)Δx - 1/2g(Δx)²/(v₂)² =

= (v₀sinθ/v₀cosθ)Δx - 1/2g(Δx)²/(v₀cosθ)²  

If we assume the initial position is at the origin, then Δx = x - 0 = x and Δy = y - 0 = y. So,

y = (tanθ)x - 1/2gx²/(v₀cosθ)² .

This is the required equation and it is a quadratic equation in x. Thus, the path followed by the projectile is parabolic.

b. The Range, R

The range, R is obtained when y = 0

So, 0 = (tanθ)x - 1/2gx²/(v₀cosθ)²

[(tanθ) - 1/2gx/(v₀cosθ)²]x = 0

x = 0 or (tanθ) - 1/2gx/(v₀cosθ)² = 0

x = 0 or (tanθ) = 1/2gx/(v₀cosθ)²

x = 0 or (tanθ)(v₀cosθ)² = 1/2gx

x = 0 or x = 2(sinθ/cosθ)(v₀cosθ)²/g

x = 0 or x = v₀²(2sinθ/cosθ)/g

x = 0 or x = v₀²sin2θ/g      [sin2θ = 2sinθ/cosθ]

So its range R = x = v₀²sin2θ/g    

c. Time of flight, T

The time of flight, T is obtained from (1) when Δy = 0 and t = T

So, 0 = v₁T - 1/2gT²

(v₁ - 1/2gT)T = 0

T = 0 or (v₁ - 1/2gT) = 0

T = 0 or v₁ = 1/2gT

T = 0 or T = 2v₁/g = 2v₀sinθ/g

So, the time of flight T = 2v₀sinθ/g

To calculate the resistance of a toaster oven, we need to use Ohm's Law, which states that the current (I) flowing through a conductor is directly proportional to the voltage (V) applied to it and inversely proportional to the resistance (R) of the conductor, or I = V/R. We also know that power (P) is equal to the product of voltage and current, or P = V*I.

In this case, we are given that the toaster oven has a power of 800 W when connected to a 110 V outlet. Using the formula for power, we can find the current flowing through the toaster oven as follows:
P = V*I
800 W = 110 V * I
I = 800 W / 110 V
I = 7.27 A
Now that we know the current, we can use Ohm's Law to calculate the resistance of the toaster oven:
I = V/R
7.27 A = 110 V / R
R = 110 V / 7.27 A
R = 15.12 Ω

Therefore, the resistance of the toaster oven is 15.12 Ω when it is connected to a 110 V outlet and has a power of 800 W.

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At an altitude of 50km, you would expect the sky color to be a darker shade of blue, almost black.

This is because the atmosphere becomes thinner as you go higher in altitude, leading to less scattering of sunlight.

The lower atmosphere's blue color can be explained by several factors, including Rayleigh scattering and absorption of light. Rayleigh scattering occurs when sunlight interacts with gas molecules and small particles in the atmosphere. This scattering is more effective for shorter wavelengths of light, such as blue and violet.

However, our eyes are more sensitive to blue light, which is why we perceive the sky as blue. Additionally, some of the violet light is absorbed by the ozone layer, further contributing to the sky's blue appearance.

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Answer:

Ally has a harder time

ally takes more time

juan is quick

juan is more experienced

if none of those are awnser choices what are the awnser choices?

Explanation:

Answer:

Yes

Explanation:

Rubbing a balloon with wool cloth will create static electricity charges. If you place small pieces of tissue paper near the balloon in Picture 2, they would probably stick to the balloon.