The chart indicates the time, speed, and velocity of five runners.

A 4-column table with 5 rows. The first column labeled runner has entries Garreth, Luigi, Elisa, Jasmine, Logan. The second column labeled total time has entries 45 minutes, 35 minutes, 40 minutes, 35 minutes, 35 minutes. The third column labeled speed has entries 6.2 miles per hour, 5.0 miles per hour, 6.2 miles per hour, 5.0 miles per hour, 5.6 miles per hour. The fourth column labeled velocity has entries 5.5 miles per hour west, 4.3 miles per hour east, 5.5 miles per hour west, 4.0 miles per hour south, 4.0 miles per hour north.
Which best describes the runners?

Garreth and Elisa ran the same distance but not the same displacement, Luigi and Jasmine went the same displacement, and Logan ran faster than Jasmine.
Garreth ran farther than Luigi, Elisa and Jasmine went the same distance, and Logan and Jasmine has the same displacement in the opposite direction.
Garreth and Elisa ran together, Luigi and Jasmine went the same distance, and Logan and Jasmine have the same displacement in the opposite direction.
Garreth ran less than Logan, Elisa and Jasmine went the same displacement, and Luigi and Garreth ran together.

The nervous system regulates and controls the other bodily systems to keep the body in a state of homeostasis.

How is homeostasis maintained through feedback mechanisms?

In order to maintain homeostasis, negative feedback loops are frequently used. People have negative reactions when a stimulus or cue triggers one of these loops. In the event that your body temperature rises too much, a negative feedback loop, for example, will act to reduce it until it reaches the set point, or target value, of 98.6 F.

After receiving a stimulus, the central nervous system will analyse it and begin to respond. When a signal is sent by the nervous system, hormones are either released or blocked, which controls the feedback process. A gland that secretes hormones in response to environmental stimuli will be specifically targeted by this hormone.

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Answer:

Mass and volume.

Explanation:

The equation for density is always mass divided by volume. To determine the density of a fluid, you would need to find its volume and its mass.

To calculate the drag coefficient for the cylinder, we first need to determine the drag force acting on the cylinder. The drag force can be expressed the drag coefficient for the cylinder, based on projected frontal area, is 8/3π.

A cylinder is a three-dimensional geometric shape that consists of a circular base and a curved lateral surface that connects the base to another circular top. The shape of the cylinder is characterized by its height (h) and its radius (r), which is the distance from the center of the circular base to any point on the base.Cylinders can be found in various applications, such as pipes, hydraulic systems, engines, and other mechanical systems. The properties of a cylinder, such as its volume, surface area, and moment of inertia, can be calculated using mathematical formulas that depend on its dimensions.Cylinders are also important in fluid dynamics, where they can be used to study the behavior of fluids around solid objects. In this context, the drag coefficient and lift coefficient of a cylinder can be used to predict the aerodynamic forces acting on the cylinder when it is placed in a fluid flow.

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The Elaboration Likelihood Model (ELM) suggests that peripheral route processing is the more resistant to counter persuasion than central route processing

Central route processing involves carefully considering the content of a persuasive message and is more resistant to counter persuasion than peripheral route processing. Peripheral route processing, on the other hand, relies on shortcuts, such as speaker appearance, charisma, or previous knowledge, to process information, this route is less resistant to counter persuasion. While speaker charisma and looks might be thought to trigger the central route, they are actually factors associated with the peripheral route, which is not the preferred route for long-lasting attitude change. The central route requires more cognitive effort, as it engages a person's critical thinking and analysis of the message.

The peripheral route is less effortful but tends to produce less durable changes in attitudes and beliefs, it is not true that once the peripheral route is triggered, it is impossible to ever use the central route. Individuals may switch between the two routes depending on factors such as their motivation, ability to process information, and the relevance of the message to their personal situation. To encourage central route processing, it is important to present persuasive messages that are logically sound, well-reasoned, and supported by evidence. So therefore the Elaboration Likelihood Model (ELM) suggests that there are two distinct routes to persuasion: the central route and the peripheral route.

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Answer:

The first force that the bungee jumper experiences is gravity, which pulls down on everything and makes the jumper fall. The gravitational force is almost exactly constant throughout the jump. During the bungee jumper's fall, he or she also experiences a force due to air resistance.

Explanation:

Answer:

I hope you understand

Explanation:

Hello!!

For this, use the formula:

\(\boxed{I=V/R}\)

\(\textbf{Being:}\)

\(\sqrt{}\) \(I = Current = ?\)

\(\sqrt{}\) \(V = Voltage = 160 \ V\)

\(\sqrt{}\) \(R = Resistance = 10\ \varOmega\)

\(\textbf{If we replace and resolve it}\)

\(I = 160\ V / 10\ \varOmega\)

\(I = 16\ A\)

\(\text{The current of that circuit is \textbf{16 Amperes}}\)

The volume that 1L of gas will occupy at 37°C and a constant pressure is 0.8L. Details about volume can be found below.

The volume of a gas can be calculated using the Charles law equation as follows:

V1/T1 = V2/T2

Where;

1/310 = V2/248

248 = 310V2

V2 = 248 ÷ 310

V2 = 0.8L

Therefore, the volume that 1L of gas will occupy at 37°C and a constant pressure is 0.8L.

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The correct answer is b) never true. When capacitors are connected in series, the equivalent capacitance of the combination decreases. This is because the total charge on the combination is equal to the charge on each individual capacitor, but the voltage across the combination is the sum of the voltages across each capacitor.

The formula for capacitance is C = Q/V, so if the charge is the same but the voltage is higher, the capacitance will be lower.

Therefore, as more and more capacitors are connected in series, the equivalent capacitance of the combination decreases.

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The speed the golf which is in projectile motion must have initially to reach the hole is 31.321 m/s.

A projectile is any object which is thrown into the space upon which the only acting force is the gravitational force. The primary force which is acting on a projectile is only gravity. This does not necessarily mean that other forces do not act on the object, just that their effect is minimal compared to the gravity.

A golfer wishes to chip a shot into the hole, which is 50 meters away on the flat level ground. If the ball flies to a maximum height of 25 meters.

The angle with which the ball flies,

tan θ = 25 m/ (50m/2)

tan θ = 1

θ = 45°

If u is the initial speed, the maximum height of the ball will be:

H = u² sin²θ / 2g

By putting the values, we get

25 = u² sin²45 / (2 × 9.81)

u = 31.321 m/s

Thus, the initial speed is 31.321 m/s.

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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.

The voltage drop across the tungsten filament in a 100W light bulb is 120 volts.

We can use Ohm's Law to find the voltage drop across the tungsten filament:

V = I * R

Where

Substituting the given values, we get:

V = (0.833 A) * (144 Ω)

V = 120 V

Therefore, the voltage drop across the tungsten filament in a 100W light bulb is 120 volts.

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The coordinate axes are X and Y. The X-axis is the horizontal line that goes from left to right, while the Y-axis is the vertical line that goes from bottom to top.

The point where they intersect is known as the origin. Each point on the grid is identified by its coordinates, which are written in the order (x, y), with the x-coordinate representing the horizontal position and the y-coordinate representing the vertical position. The x-coordinate increases from left to right, and the y-coordinate increases from bottom to top. Therefore, the point in the bottom left corner would be (0, 0), and the point in the top right corner would be (10, 10).The grid is made up of 100 square cells that are all the same size. Each cell is assigned a unique pair of coordinates, and all points on the grid can be identified using these coordinates.

The grid is commonly used to represent data in various fields, including mathematics, science, and computer science.

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Answer:

9 years old and he/she crawl like at 2 years old

By altering the total mass of the carts in a collision simulation, the momentum of the carts is affected, which in turn changes the velocity of the combined carts after the collision. Therefore, the final velocity becomes the variable that depends on the change in the independent variable, which is the total mass of the carts.

In a collision between two carts, the total momentum before the collision is equal to the total momentum after the collision, according to the law of conservation of momentum. The momentum of an object is given by the product of its mass and velocity.

By altering the mass of the carts, we can change the total momentum before the collision. This change in momentum directly affects the velocity of the combined carts after the collision. If the total mass of the carts is increased, the momentum will also increase, resulting in a lower final velocity. Conversely, if the total mass is decreased, the momentum will decrease, leading to a higher final velocity.

Therefore, the final velocity of the combined carts becomes the variable that changes based on the alteration of the independent variable, which is the total mass of the carts in the collision simulation.

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The acceleration of the particle is constant \((a=9.8 m/sec^2)\), and it is vertically downward. Therefore, the correct option is diagram no 4.

In the case of a projectile launched into the air, the acceleration acts vertically and is influenced by gravity.

Let's analyze the three points along the path of the projectile:

1. On its way up: At this point, the projectile is moving upwards, and gravity is acting in the downward direction. Therefore, the acceleration of the projectile at this point is directed downward to oppose the upward motion and eventually bring the projectile to a stop.

2. At the top: The projectile reaches its maximum height and momentarily comes to a stop before starting to fall back down. At this point, the acceleration is solely due to gravity, and it acts vertically downward. The acceleration at the top of the projectile's path is directed downward.

3. On its way down: The projectile is now moving downward, and gravity continues to act in the downward direction. The acceleration at this point is again directed downward, assisting the downward motion of the projectile.

Considering these factors, the drawing that correctly represents the acceleration of the projectile at these three points should show the acceleration vector pointing vertically downward in all three positions.

This represents the consistent influence of gravity on the projectile throughout its motion.

Therefore, the correct option is diagram no 4. The acceleration of the particle is constant \((a=9.8 m/sec^2)\), and it is vertically downward.

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the pedestrian has to get out of danger's way within 3.16 seconds after seeing the block directly above him/her.

Height of the building (h) = 50 m Height of pedestrian (y) = 1.7 m Let the time taken by cement block to fall to the ground be (t).Now, we can use the equation of motion in terms of acceleration due to gravity to find the time (t).h = 1/2 × g × t² Here, g = 9.8 m/s² (acceleration due to gravity) Now, we have to find the time taken by cement block to fall to the ground. Using the above equation of motion, we can get: 50 = 1/2 × 9.8 × t²⇒ t² = 50 / (1/2 × 9.8) ⇒ t² = 50 / 4.9⇒ t = √10Therefore, the time taken by the cement block to reach the ground is √10 seconds or approximately 3.16 seconds. When a cement block is accidentally fallen from a height of 50 m, it will take around 3.16 seconds to reach the ground. If a pedestrian is standing below the falling block, the time taken by the pedestrian to get out of danger's way is crucial. The pedestrian has to leave the spot within 3.16 seconds after seeing the block directly above him/her. Hence, it is essential to take immediate action and leave the spot quickly to avoid any mishap.

When objects fall from a height, the time it takes to reach the ground is proportional to the height of the building. The greater the height of the building, the more time it takes for an object to fall. In this case, we have calculated the time taken by the cement block to reach the ground, which is around 3.16 seconds. Therefore, the pedestrian has to be cautious and take necessary precautions to avoid any accident.

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Explanation:

the centrifugal force of the Earth's rotation forces the Earth's belly at the equator to grow even further. that extra material/mass is pulled in from the poles.

so, from equator to equator there is more mass and more gravity than from pole to pole.

Answer:

I think its A

Explanation:

Not 100 percent sure tho but they do go up and down in big movements.

In a J-K flip flop, when the inputs are set as J=5V and K=0V, the output q will toggle or change state after the next clock cycle. Therefore, the output q will change from 5V to 0V (or vice versa) after the next clock cycle.

To determine the output of a J-K flip-flop after the next clock cycle, we need to consider the inputs, the current state of the flip-flop, and how the flip-flop behaves based on its inputs and the clock signal.

In a J-K flip-flop, the J and K inputs determine the behavior of the flip-flop based on their logic levels. The clock signal determines when the inputs are considered and the output is updated.

Given that the initial output (Q) is 5V, and the inputs J=5V and K=0V, we need to determine the output after the next clock cycle.

Here are the rules for a positive-edge triggered J-K flip-flop:

If J=0 and K=0, the output remains unchanged.

If J=0 and K=1, the output is set to 0.

If J=1 and K=0, the output is set to 1.

If J=1 and K=1, the output toggles (flips) to its complemented state.

In this case, J=5V and K=0V. Since J is high (5V) and K is low (0V), the output will be set to 1 (Q=1) after the next clock cycle.

Therefore, after the next clock cycle, the output (Q) of the J-K flip-flop will be 1V.

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For the student that walks to the right 25 m in 15 s and then turns and walks to the left 15 m in 8.0 s, we have:

1. The average speed is 1.74 m.

2. The average velocity is 1.42 m.

1. The average speed is an scalar wich is given by:

\( V = \frac{d_{t}}{t_{t}} \)

Where:

\(d_{t}\): is the total distance

\(t_{t}\): is the total time

The total distance and the total time can be calculated as follows:

\(d_{t} = d_{1} + d_{2} = 25 m + 15 m = 40 m \)

\( t_{t} = t_{1} + t_{2} = 15 s + 8.0 s = 23 s \)

Since V is a scalar, the direction of motion is not important to calculate the final value.

Then, the average speed is:

\( V = \frac{d_{t}}{t_{t}} =\frac{40 m}{23 s} = 1.74 m/s \)

2. The average velocity is a vector, so the direction of motion is important here. This ΔV can be calculated with the following equation:

\( \Delta V = \frac{\Delta x}{\Delta t} = \frac{x_{f} - x_{i}}{t_{f} - t_{i}} \)

Where:

x: is the displacement  

f: is for final and i: is for initial

Hence, the average velocity is:

\( \Delta V = \frac{x_{f} - x_{i}}{t_{f} - t_{i}} = \frac{15 m - 25 m}{8.0 s - 15 s} = 1.42 m/s \)

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Laser means Light Amplication by Stimulated Emission of Radiation.

Uses of laser

DNA sequencing instrument

Cutting and welding materials

Semiconducting chip manufacturing

Military devices

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The correct answer is centripetal force keeps electrons in orbit around the nucleus.

What is Rutherford model?

Rutherford Atomic Model - J. J. Thomson's "plum pudding" model was unable to account for some experimental findings related to the atomic structure of elements. British scientist Ernest Rutherford carried out an experiment, and using the results of this experiment, he proposed Rutherford's Atomic Model and explained the atomic structure of the elements.

Thus, in the Rutherford model, the centripetal force that maintains the electron in orbit is produced by the electrostatic attraction between the (positive) nucleus and the (negative) electron.

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An im not sure how to do this

Explanation:

The potential energy of the system is found to be  4.12 Joules.

The potential energy of a system of point charges is :

PE = k * (\(q_1 * q_2\)) / r

PE =  potential energy,

k =  electrostatic constant k = \(8.99 * 10^9 Nm^2/C^2\)

\(q_1 and q_2\)=  charges,

r =  distance between the charges.

PE = k * (\(q_1 * q_2) / r + k * (q_1 * q_3) / r + k * (q_2 * q_3\)) / r

PE = (\(8.99 * 10^9\) ) * [(\(1.10 * 10^-^6 C\))² / (0.700 m) + (\(1.10 *10^-^6 C\))² / (0.700 m) + (\(1.10 * 10^-^6 C\))² / (0.700 m)]

potential energy = 4.12 J

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Answer:

Over 60N

Explanation:

If the resultant force is equal, the car will not move. In order for the car to move, Becky needs to apply a force that is stronger than 60N, since her dad is already pushing 240 (240+60=300), so anything over 60 from Becky would move the car.

Using the equation LifetimeMS = 1010 * (MMS / MSun)^(-2.5 yr), the lifetime of a 0.5-MSun star is approximately 2.8284 × 10¹⁰ years.

The given equation relates the main-sequence lifetime of a star (LifetimeMS) to its mass (MMS) compared to the mass of the Sun (MSun). In this case, we need to calculate the lifetime of a 0.5-MSun star.

Plugging the values into the equation, we have LifetimeMS = 1010 * (0.5 / 1)^(-2.5 yr). Simplifying the equation, we get LifetimeMS = 1010 * (0.5)^(-2.5 yr) = 1010 * (1 / 0.5)^(2.5 yr) = 1010 * (2)².⁵ yr ≈ 2.8284 × 10^10 years. Therefore, the calculated lifetime of a 0.5-MSun star is approximately 2.8284 × 10¹⁰ years in scientific notation.

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At number 5 (choice E).

i hate you right now..... im gonna be thinking about this all day now....... ohhhhhhh no i need my 5 monsters now cause i aint sleepin now......