Transform plate tectonic boundaries slide/move past each other, rubbing along the edges cause what types of damage?

Question 3 options:

tornadoes, flooding, destruction


hurricanes, flooding, wave surge


earthquakes, tsunami, landslides


blizzards, freezing conditions, snow drifts

Increasing number of photons per second striking the surface and increasing the frequency of the incident light lead to increase in maximum kinetic energy of ejected electrons in the photoelectric effect.

Increasing the number of photons per second striking the surface:

The maximum kinetic energy of the ejected electrons depends on the total energy transferred to the electrons by the incident photons. Increasing the number of photons per second increases the total energy transferred, resulting in an increase in the maximum kinetic energy of the ejected electrons.

Increasing the frequency of the incident light:

The maximum kinetic energy of the ejected electrons is directly proportional to the frequency of the incident light. According to the equation E = hf, where E is the energy of a photon, h is Planck's constant, and f is the frequency of the light, increasing the frequency of the incident light increases the energy of each photon. This, in turn, leads to an increase in the maximum kinetic energy of the ejected electrons.

Using photons whose frequency fo is less than Wo/h, where Wo is the work function of the metal and h is Planck's constant:

If the frequency of the incident light is less than the threshold frequency (fo) required to overcome the work function of the metal, no electrons will be ejected regardless of the intensity or number of photons. Therefore, using photons with a frequency less than the threshold frequency does not lead to an increase in the maximum kinetic energy of the ejected electrons.

Selecting a metal that has a greater work function:

The work function of a metal represents the minimum amount of energy required to eject an electron from its surface. Selecting a metal with a greater work function would result in a higher energy threshold for electron ejection. While it affects the threshold for electron ejection, it does not directly influence the maximum kinetic energy of the ejected electrons.

Increasing the number of photons per second striking the surface and increasing the frequency of the incident light lead to an increase in the maximum kinetic energy of the ejected electrons in the photoelectric effect. However, using photons with a frequency less than the threshold frequency and selecting a metal with a greater work function do not contribute to an increase in the maximum kinetic energy of the ejected electrons.

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Answer:

d

Explanation:

The appropriate symbol to use for the answer is "CI," which stands for confidence interval.

What is confidence interval?

A confidence interval is a range of values that provides an estimate of an unknown population parameter, such as the mean body temperature of all healthy humans in this case.

In the given question, we are asked to construct a 99% confidence interval estimate of the mean body temperature of all healthy humans. A confidence interval is typically denoted by "CI" followed by the level of confidence, which in this case is 99%. It helps in quantifying the uncertainty associated with our estimate and provides a range rather than a single point estimate.

Hence, the appropriate symbol to use for the answer is "CI" to represent the confidence interval estimate of the mean body temperature of all healthy humans.

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Answer:

Geomagnetic Field

Explanation:

Answer:

a unit of mass or weight equaling one thousand grams

The maximum induced electromotive force (emf) in the AC generator is approximately 3.25 volts.

To find the maximum induced electromotive force (emf) in the AC generator, we can use the equation:

emf = N * ΔΦ / Δt

Where:

emf is the induced electromotive force

N is the number of turns in the coil

ΔΦ is the change in magnetic flux

Δt is the time interval

First, we need to calculate the change in magnetic flux (ΔΦ). The magnetic flux through a coil is given by:

Φ = B * A

Where:

B is the magnetic field

A is the area of the coil

The area of the coil can be calculated using the formula:

A = π * r²

Where:

r is the radius of the coil

Substituting the values:

A = π * (0.05 m)²

A = 0.00785 m²

ω = 500 rpm = (500/60) rev/s

Δt = 1 / ω

Δt = 1 / (500/60) s

Δt = 0.12 s

Now, we can calculate the change in magnetic flux (ΔΦ) by multiplying the magnetic field (B) by the area (A):

ΔΦ = B * A

ΔΦ = (0.250 T) * (0.00785 m²)

ΔΦ = 0.0019625 Wb

emf = N * ΔΦ / Δt

emf = (200 turns) * (0.0019625 Wb) / (0.12 s)

emf ≈ 3.25 V

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Answer: Water vapors are the gaseous form of water when liquid water is exposed to heat or boiling temperature it vaporizes.

Explanation:

Humidity is the total concentration of water in the atmosphere or air. Dew point can be defined as the temperature at which the air get saturated into vapors. Clouds are the mass of water vapors enters into higher atmosphere due to evaporation these water vapors when condense they result in precipitation in the form of rain, hail, and others. The water cycle is the circulation of water in the form of vapors and liquid in the atmosphere, hydrosphere, and earth.

Answer:

3 m/s²

Explanation:

Initial Velocity, u = 18

Final velocity, v = 36

Time, t = 6 seconds

Acceleration is the change in velocity of a body with time. It obtained using the relation :

Acceleration = (v - u) / t

Acceleration = (36 - 18) / 6

Acceleration = 18 / 6

Acceleration = 3m/s²

Hence, acceleration of the skier is 3m/s²

Answer:  TRUE /   IT IS TRUE

Explanation:

A radio receiver can detect signals with electric field amplitudes as small as 350 μV/m, the intensity of the smallest detectable signal is approximately [tex]\(6.17 \times 10^{-21} \, \text{W/m}^2\)[/tex].

The intensity (I) of an electromagnetic wave is related to its electric field amplitude (E) by the formula:

[tex]\[ I = \frac{1}{2} \varepsilon_0 c E^2 \][/tex]

Where:

[tex]\( \varepsilon_0 \)[/tex] = vacuum permittivity ([tex]\(8.854 \times 10^{-12} \, \text{F/m}\)[/tex])

c = speed of light in vacuum ([tex]\(3.00 \times 10^8 \, \text{m/s}\)[/tex])

E = electric field amplitude of the signal

Given that the electric field amplitude (E) is [tex]\(350 \, \mu\text{V/m}\)[/tex], we need to convert it to volts per meter before using it in the formula. [tex]\(1 \, \mu\text{V} = 10^{-6} \, \text{V}\)[/tex], so:

[tex]\[ E = 350 \, \mu\text{V/m} \\\\= 350 \times 10^{-6} \, \text{V/m} \][/tex]

Now we can calculate the intensity (I) using the formula:

[tex]\[ I = \frac{1}{2} \varepsilon_0 c E^2 \][/tex]

Plug in the values:

[tex]\[ I = \frac{1}{2} \times (8.854 \times 10^{-12} \, \text{F/m}) \times (3.00 \times 10^8 \, \text{m/s}) \times (350 \times 10^{-6} \, \text{V/m})^2 \][/tex]

Calculate the intensity (I):

[tex]\[ I \approx 6.17 \times 10^{-21} \, \text{W/m}^2 \][/tex]

Thus, the intensity of the smallest detectable signal is [tex]\(6.17 \times 10^{-21} \, \text{W/m}^2\).[/tex]

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(a) If Tarzan starts from rest, his speed at the bottom of the swing is approximately 11.5 m/s.

(b) If Tarzan pushes off with a speed of 4.00 m/s, his speed at the bottom of the swing is approximately 15.0 m/s.

To solve this problem, we can use the principle of conservation of mechanical energy. At the highest point of the swing, all of Tarzan's initial potential energy is converted into kinetic energy at the bottom of the swing.

(a) When Tarzan starts from rest, he has no initial kinetic energy. Therefore, his initial potential energy is given by the formula:

[tex]\[ U_g = mgh \][/tex]

where m is Tarzan's mass, g is the acceleration due to gravity, and h is the height at the highest point of the swing. In this case, h is the length of the vine, which is 30.0 m. Tarzan's potential energy is then converted entirely into kinetic energy at the bottom of the swing:

[tex]\[ K = \frac{1}{2} mv^2 \][/tex]

where v is Tarzan's speed at the bottom of the swing. Equating the initial potential energy to the final kinetic energy, we have:

[tex]\[ mgh = \frac{1}{2} mv^2 \][/tex]

Simplifying and solving for v, we find that Tarzan's speed at the bottom of the swing is approximately 11.5 m/s.

If Tarzan pushes off with a speed of 4.00 m/s, he has initial kinetic energy. The total mechanical energy at the highest point of the swing is the sum of the initial potential energy and the initial kinetic energy:

[tex]\[ E = mgh + \frac{1}{2} mv_0^2 \][/tex]

where [tex]v_0[/tex] is Tarzan's initial speed. At the bottom of the swing, the total mechanical energy is the sum of the final potential energy and the final kinetic energy:

[tex]\[ E = mgh + \frac{1}{2} mv^2 \][/tex]

Since the total mechanical energy is conserved, we can equate the expressions for E:

[tex]\[ mgh + \frac{1}{2} mv_0^2 = mgh + \frac{1}{2} mv^2 \][/tex]

Simplifying and solving for v, we find that Tarzan's speed at the bottom of the swing is approximately 15.0 m/s.

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The most complete lists of the forces that belong on a free-body diagram (FBD) of the car is Forces due to gravity, Normal force, Friction force.

The free-body diagram (FBD) of the car has several forces that belong to it.

Here are the most complete lists of the forces that belong on a free-body diagram (FBD) of the car:

The above three forces should be included on the free-body diagram (FBD) of the car.

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Answer:

[tex]\frac{60kgm}{s}[/tex]

Explanation:

momentum = mass * velocity

= 20kg * 3m/s

= 60kgm/s

As the time needed to run up a flight of stairs decreases, the power initially increases and then decreases.

The power generated during an activity can be calculated using the equation: Power = Work / Time. In the context of running up a flight of stairs, the work done is the force exerted to overcome gravity and move the body vertically against it. When the time needed to complete the task decreases, it means the individual is able to generate more power.

Initially, as the person improves their running ability and becomes more efficient, they can complete the task in less time. This reduction in time indicates an increase in power output since the work done remains relatively constant. The individual is exerting more force in a shorter amount of time, resulting in higher power.

However, there is a limit to how much power a person can generate. As the person continues to improve their running speed, they reach a point where their power output plateaus or even decreases. This decline can occur due to various factors, such as muscle fatigue or biomechanical limitations. At this stage, further decreases in time may not be achievable without sacrificing power output. Therefore, the power initially increases as time decreases, but eventually levels off or decreases as the person reaches their physiological limits.

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Answer:

When the angle between two vectors A and B is 0 degrees, they are parallel to each other and pointing in the same direction. In this case, the resultant of the two vectors will be the sum of the magnitudes of A and B, and it will also be parallel to both A and B.

When the angle between two vectors A and B is 90 degrees, they are perpendicular to each other. In this case, the resultant of the two vectors will be the vector that connects the initial point of A to the terminal point of B (or vice versa). The magnitude of the resultant vector can be found using the Pythagorean theorem: |R| = sqrt(|A|^2 + |B|^2), where |A| and |B| represent the magnitudes of vectors A and B, respectively.

When the angle between two vectors A and B is 180 degrees, they are pointing in opposite directions. In this case, the resultant of the two vectors will be the difference between the magnitudes of A and B, and it will be in the direction of the larger vector. The magnitude of the resultant vector can be found by subtracting the magnitude of the smaller vector from the magnitude of the larger vector: |R| = |A| - |B| if |A| > |B| or |R| = |B| - |A| if |B| > |A|.

To determine the resultant of two vectors A and B, it is necessary to know the magnitudes of the vectors and the angle between them. In your question, you provided the angles between A and B (0 degrees, 90 degrees, and 180 degrees), but you did not specify the magnitudes of the vectors.

Without the magnitudes of vectors A and B, it is not possible to calculate the exact resultant. The resultant vector depends on both magnitude and direction, and without knowing the magnitudes, it is not possible to determine the resultant accurately.

If you provide the magnitudes of vectors A and B, I can help you calculate the resultant for each angle.

Answer: Biotic

Explanation: Because it's bacteria.

This soil sample is one that is primarily clay, with some portions of silty clay and sand.

It has little of the clay loam category, that has a balanced mixture of clay, silt, and sand.

The soil triangle shows soil texture using sand, silt, and clay. Based on given percentages, soil sample has 40% silt, 40% sand, and 20% clay. It's silty sand or sandy loam soil.

Clay loam soil has a balanced blend of clay, silt, and sand. Moderate water-holding, good drainage, favorable nutrient retention. Sandy clay is a mixture of sand and clay. Retains sandy soil traits with better water hold from clay.

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The crank OB is horizontal and has a clockwise angular velocity of 0.8 rad/sec. The objective is to find the speed of the guide roller A and the angular velocity of the connecting rod AB link.

To solve this problem, let's first draw the mechanism diagram. [tex]\frac{d\theta_{1}}{dt}[/tex] and [tex]\frac{d\theta_{2}}{dt}[/tex] are the angular velocities of OB and AB, respectively. We can apply the kinematic equations to find these unknowns.

In this case, the kinematic equations of the mechanism are Vb = Va + AB * [tex]\frac{d\theta_{2}}{dt}[/tex] (1)0 = AB * cos β - OA * [tex]\frac{d\theta_{1}}{dt}[/tex] (2.).

Now, we can evaluate [tex]\frac{d\theta_{1}}{dt}[/tex] and [tex]\frac{d\theta_{2}}{dt}[/tex] using the given angular velocity of crank OB.

It is given that [tex]\frac{d\theta_{1}}{dt}[/tex] = 0.8 rad/sec.

Using equation (2), we can obtain AB = OA * cos β / [tex]\frac{d\theta_{1}}{dt}[/tex].

Putting the value of [tex]\frac{d\theta_{1}}{dt}[/tex] = 0.8 rad/sec, OA = 60 mm and β = 60° in equation (2),

We get:AB = 60 * cos 60 / 0.8 = 43.3 mm.

Now, using equation (1), We can find the speed of the guide roller Va as Vb = Va + AB * [tex]\frac{d\theta_{2}}{dt}[/tex]Vb - Va = AB * [tex]\frac{d\theta_{2}}{dt}[/tex]Va = Vb - AB * [tex]\frac{d\theta_{2}}{dt}[/tex].

We know that Vb = R * [tex]\frac{d\theta_{1}}{dt}[/tex] = 60 * 0.8 = 48 mm/sec.

Hence,Va = 48 - 43.3 * [tex]\frac{d\theta_{2}}{dt}[/tex].

Now, we need to find [tex]\frac{d\theta_{2}}{dt}[/tex]. We can find it using the kinematic equation of link AB, which is given as AB * sin β * [tex]\frac{d\theta_{2}}{dt}[/tex] = Va.

But, we don't know the value of Va yet. So, we can use the velocity diagram of the mechanism to relate the velocities of points A and B.

Using the vector law of addition of velocities, we can write Va^2 = (Vb cos β)^2 + (Vb sin β - R [tex]\frac{d\theta_{1}}{dt}[/tex])^2Putting the values of Vb, β and R, we get: Va^2 = (48 cos 60)^2 + (48 sin 60 - 60 * 0.8)^2Va = 52.4 mm/sec.

Now, putting the value of Va in the kinematic equation of link AB, we get AB * sin β * [tex]\frac{d\theta_{2}}{dt}[/tex] = 52.4d[tex]\theta_{2}[/tex] / dt = 52.4 / (43.3 * sin 60)d[tex]\theta_{2}[/tex] / dt = 0.639 rad/sec.

Hence, the speed of the guide roller A in the slot is 52.4 mm/sec and the angular velocity of the AB link is 0.639 rad/sec.

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Therefore, the focal length of the converging lens is approximately 9.33 cm or 21 cm (rounded to the nearest whole number).

To determine the focal length of the converging lens, we can use the lens formula:

1/f = 1/v - 1/u

where f is the focal length, v is the image distance from the lens, and u is the object distance from the lens.

Given that the object is placed 28 cm in front of the lens (u = -28 cm) and the image is formed 14 cm behind the lens (v = 14 cm), we can substitute these values into the lens formula:

1/f = 1/14 - 1/(-28)

Simplifying the equation:

1/f = 1/14 + 1/28

Finding a common denominator:

1/f = 2/28 + 1/28

Combining the fractions:

1/f = 3/28

Inverting both sides of the equation:

f = 28/3

Converting the fraction to decimal form:

f ≈ 9.33 cm

Therefore, the focal length of the converging lens is approximately 9.33 cm or 21 cm (rounded to the nearest whole number).

The focal length of the converging lens is approximately 21 cm.

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Given:Initial Volume of gas filled balloon at ground level, V1 = 53.0 LInitial Pressure at ground level, P1 = 751 mmHgInitial Temperature at ground level, T1 = 25.0 °CNew Temperature at a height, T2 = -2.01 °CNew Pressure at a height, P2 = 0.511 atm.

The ideal gas law is given by the expressionPV = nRTwhere,P is the pressure of the gasV is the volume of the gasn is the number of moles of the gasR is the universal gas constantT is the temperature of the gasHere, we can assume the number of moles of the gas remain constant (n1 = n2). Therefore, the ideal gas equation can be rewritten as:

P1V1/T1 = P2V2/T2

Substituting the values given, we get:

751 mmHg × 53.0 L / (25.0°C + 273.15) = 0.511 atm × V2 / (-2.01°C + 273.15)V2 = 98.5 L (approx)

Hence, the volume of the weather balloon at a higher altitude is 98.5 L.

An ideal gas is one that obeys the following assumptions: the molecules of the gas are in constant motion, their motion is random, they are far enough apart to ignore intermolecular forces, and they are always elastic collisions. This formula can be used to calculate the volume of gas in the given situation.The ideal gas law equation can be rearranged to solve for any of the variables. For example, we can use the ideal gas law to calculate the pressure or temperature of a gas under different conditions.

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All supernova explosions leave stars in the same condition after the process has finished which is false.

Supernova explosions do not leave stars in the same condition after the process has finished. Supernovae are incredibly powerful explosions that occur at the end of a massive star's life or in the aftermath of a white dwarf's accretion. The outcome of a supernova depends on various factors, such as the mass of the star and the nature of the explosion. There are two main types of supernovae: Type I and Type II.

In a Type I supernova, the star is completely destroyed, leaving behind either a neutron star or a black hole. These explosions occur in binary star systems where a white dwarf accumulates matter from a companion star, eventually reaching a critical mass and triggering a runaway nuclear reaction.

In a Type II supernova, the massive star collapses under its own gravity, resulting in a powerful explosion. After the explosion, what remains can vary. It could leave behind a neutron star or even a black hole. The remnants may also include a rapidly expanding cloud of gas and dust called a supernova remnant, which can enrich the surrounding space with heavy elements.

Therefore, it is incorrect to say that all supernova explosions leave stars in the same condition after the process has finished. The specific outcome depends on various factors and can lead to the formation of different celestial objects.

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The image is located approximately 27.6 cm from the lens (as a positive value) on the same side as the object.

We can use the lens formula to find the position of the image:

1/f = 1/v - 1/u

Where:

f = focal length of the lens (22.5 cm)

v = image distance from the lens (unknown)

u = object distance from the lens (61.0 cm)

Rearranging the formula, we have:

1/v = 1/f + 1/u

Substituting the given values:

1/v = 1/22.5 + 1/61.0

Calculating the right-hand side:

1/v = (61.0 + 22.5) / (22.5 * 61.0)

    = 83.5 / 1372.5

1/v    ≈ 0.0608

Now, taking the reciprocal of both sides to isolate v:

v = 1 / (0.0608)

v   ≈ 16.4 cm

Since the object is placed in front of the lens, the image distance (v) is negative. So, the image is located 16.4 cm from the lens on the same side as the object.

The image is located approximately 27.6 cm from the lens (as a positive value) on the same side as the object.

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Answer:

Y = 4.775 x 10⁹ Pa = 4.775 GPa

Explanation:

First, we calculate the stress on the rod:

[tex]stress = \frac{Force}{Area} = \frac{3000\ N}{\pi r^2} \\\\stress = \frac{3000\ N}{\pi (0.01\ m)^2}\\\\stress = 9.55\ x\ 10^6\ Pa = 9.55 MPa\\[/tex]

Now, we calculate the strain:

[tex]strain = \frac{Change\ in Length}{Original\ Length}\\\\strain = \frac{0.501\ m - 0.5\ m}{0.5\ m}\\\\strain = 0.002\\[/tex]

Now, we will calculate the Young's Modulus (Y):

[tex]Y = \frac{stress}{strain}\\\\Y = \frac{9.55\ x\ 10^6\ Pa}{0.002} \\[/tex]

Y = 4.775 x 10⁹ Pa = 4.775 GPa

You take a picture of a rainbow with an infrared camera, and your friend takes a picture at the same time with visible light.

Part A: The height of the rainbow in the infrared picture would be the same as the height of the rainbow in the visible-light picture.

Part B: The best explanation is "A rainbow is the same whether seen in visible light or infrared; therefore the height is the same."

Part A: Infrared light and visible light are both part of the electromagnetic spectrum, and they interact with water droplets in the same way to form a rainbow. Therefore, the height of the rainbow, which is determined by the angle of dispersion and reflection, would be the same in both the infrared and visible-light pictures.

Part B:

The height of a rainbow is determined by the angle at which light is dispersed and reflected by water droplets. This angle remains the same regardless of the specific range of the electromagnetic spectrum being observed, be it visible light or infrared light.

While the top of a rainbow appears red in visible light, it is important to note that infrared light is also present in the upper part of the rainbow, but it is not visible to the human eye. Therefore, the height of the rainbow would not be greater in the infrared picture solely because infrared light is "higher" than the visible spectrum.

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-50F is the air temperature at which the speed of a sound wave is closest to 1,000 feet per second. It is option D.

The speed of a sound wave depends on the temperature of the medium through which it travels. The formula for calculating the speed of sound in air is given by: v = 331 m/s + 0.6 m/s °C × t

t = temperature in degrees Celsius  

v = velocity of the sound wave in meters per second.

Therefore, to answer the question, we need to convert the temperatures from Fahrenheit to Celsius and use the above formula to determine the velocity of the sound wave at each temperature.

A. -46F = -43.33°C

Speed of sound = 331 + 0.6 x (-43.33)≈ 304.4 m/s

B. -48F = -44.44°C

Speed of sound = 331 + 0.6 x (-44.44)≈ 303.6 m/s

C. -49F = -45°C

Speed of sound = 331 + 0.6 x (-45)≈ 303 m/s

D. -50F = -45.56°C

Speed of sound = 331 + 0.6 x (-45.56)≈ 302.5 m/s

Therefore, the air temperature at which the speed of a sound wave is closest to 1,000 feet per second is option D.-50F.

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The magnification of the eyepiece is 19.

The magnification of an eyepiece of a microscope is,

Magnification = Near-point distance / Focal length of eyepiece

Given that,

Near-point distance = 38 cm

Focal length of eyepiece = 2 cm

Substituting the values,

Magnification = Near-point distance / Focal length of eyepiece

Magnification = 38 / 2

Magnification = 19

Therefore, the magnification of the eyepiece is 19.

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