plz help meh and explain how to do it i suck at physics...

The optic nerve leaves the eye and travels to the brain through the blind spot. Due to the lack of photoreceptor cells (rods and cones), no image is created here. So the correct answer is d.

This is the point where the optic nerve leaves the retina. Because of this, we are unable to perceive any kind of visual information at this time. This region, which is placed around 15 degrees to the temporal side of the centre of the visual field in each eye, is referred to as the optic disc or the blind spot.

On the other hand, because our brains are so good at making up for missing information using the visual information around it, we are typically unaware of our own blind spots.

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The car’s acceleration in g’s is equal to 0.67 m/s² and the centripetal force acting on is equal to 4033.47 Newton.

Since the car’s acceleration is given as 6.61 m/s², we would simply divide it by the acceleration due to gravity (9.8 m/s²) to calculate the car’s acceleration in g’s as follows:

Acceleration, g = 6.61/9.8

Acceleration, g = 0.67 m/s².

Mathematically, the centripetal force acting on this car can be calculated by using this formula:

Fc = mv²/r

Fc = (610 × 54²)/441

Fc = 1778760/441

Fc = 4033.47 Newton.

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Momentum is never created or destroyed. It is conserved.

The cue stick gave the cue ball all the momentum there is on the table.  There's nothing on the table that can pour in any more momentum.

After the strike, with 15 or 16 balls rolling every which way around the table, the total momentum of all of them combined will be the same as the cue ball's momentum right now, before the strike.

Answer:

what kind of car

Explanation:

Answer:

50km/hr

Explanation:

Now I am assuming you want the answer in Km/hr. with that being said speed is just distance/time.

so speed = 150km/3hr = 50km/hr

The graphical representation of Tara is correct because of energy of the wave depends on the amplitude of the wave.

The energy of a wave due to the motion of a spring is calculated as follows;

E = ¹/₂KA²

where;

Thus, the graphical representation of Tara is correct because of energy of the wave depends on the amplitude of the wave.

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Answer:  No, it is not correct because as the amplitude of a wave increases, the energy it carries also increases. This graph shows that as the amplitude increases, the energy decreases.  

Explanation:

The speed of light waves travel in air is 3.0 * 10⁸ m/s, while the speed of sound waves in air at 25° C is 346.3 m/s.

Light waves travels 8.66 * 10⁵ times faster in air in comparison to sound waves in air.

The speed of light in water is 3.0 * 10⁸ m/s while the speed of sound in water is 1.481 m/s

The distance covered by a wave per second is known as the wave speed.

The speed of a wave varies according to the density of the medium it is travelling as well as the due to the frequency of the wave.

The speed that light waves travel in air = 3.0 * 10⁸ m/s

The speed that sound waves travel in the air at 25° C = 346.3 m/s

The ratio of the speed of speed that light waves travel in air to that of the speed that sound waves travel in the air at 20° C = 3.0 * 10⁸/346.3 = 8.66 * 10⁵

Therefore, light waves travels 8.66 * 10⁵ in the air in comparison to sound waves in air

The speed of light in water = 3.0 * 10⁸ m/s

The speed of sound in water = 1,481 m/s

Therefore, light waves travels much faster water than sound waves in water.

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In order to calculate a planet's orbital period, we must know the dimensions of its orbit. The correct answer is C.

To calculate a planet's orbital period, we need to know the dimensions of its orbit, specifically the semi-major axis. The semi-major axis is the average distance between the planet and its parent star (assuming a circular or nearly circular orbit). The orbital period of a planet is determined by its distance from the star and the mass of the star.

The tilt of the planet's axis (option A) affects the planet's seasons but does not directly impact its orbital period. The radius of the planet (option B) is not directly related to its orbital period either. The velocity of the planet (option D) can vary along its orbit, but it is not sufficient on its own to calculate the orbital period. Hence the correct answer is C.

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Answer:  TRUE /   IT IS TRUE

Explanation:

To prove that rock layers in one area match rock layers found in another area, geologists use the principles of stratigraphy, including fossil, lithologic, and chemical correlation techniques.

One way to prove that rock layers in one area match rock layers found in another area is by using the principle of stratigraphy, which is the study of rock layers (strata) and their relationships. Geologists can use several techniques to correlate rock layers between different locations, including:

Fossil correlation: If a particular fossil is found in two different rock layers at different locations, it is a good indicator that the layers are of the same age. This is because certain fossils only existed during specific time periods, and so if the same fossil is found in two different rock layers, it can be inferred that those layers were deposited during the same time period.

Lithologic correlation: Rocks can have unique characteristics that allow geologists to match them to other rocks of the same type. For example, sandstone can have unique grain sizes or shapes that can help identify it as coming from a specific location.

Chemical correlation: Some rocks have unique chemical compositions that can be used to match them to other rocks of the same type. For example, volcanic rocks can have unique isotopic signatures that can help identify them as coming from a specific volcano.

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A wide variety of producers, consumers, & decomposers can coexist in the ecosystem.

The variety of all living creatures on our world, known as biodiversity, has been disappearing at an alarming rate in recent years. This is largely due to human activities such changing land use, pollution, and climate change.

All living creatures and their interactions are represented by the term "biodiversity," which is short for biological diversity. Because of extinctions and the emergence of new species, biodiversity is always changing. Three types of diversity—species, genetic, and ecosystem—are frequently mentioned by scientists.

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Answer:

9.5km

Explanation:

To solve this problem, we add the distances given together.

The distance is the sum of the length of path covered. It is a scalar quantity and has only magnitude but no directional attribute.

Distance walked to friend's house  = 500m

Distance to mall  = 5km

              Since 1000m = 1km, 5km will be 5000m

Distance back to house  = 4km

                In m, this gives 4000m

So;

 Total distance covered  = 500m + 5000m + 4000m  = 9500m

Since 1000m = 1km;

        Then, 9500m will given 9.5km

Answer:

It is false

Explanation:

I am not sure behind the science on this, but if I had to guess I would chose false. This is because preventing certain things from happening in the long run can at least do a good job of reducing the chance of something happening, correct? Don’t take my answer as correct right away, do a quick search up on the internet and you should be able to find what your looking for with the science behind it! You got it!

A) Minimum recommended spiral parameter: 150.03m.

b) Distance P: 150.03m.

c) Distance Q: 4.122m.

d) Angle Φs: 16°30'14.0".

e) Distance Tc: 150.03m.

a) Calculation for the minimum recommended spiral parameter:

Design radius (R) = 300 m

Maximum superelevation (e_max) = 0.06 m/m

Spiral Parameter (A) = (R + e_max) / 2

A = (300 m + 0.06 m/m) / 2

A ≈ 150.03 m

b) Calculation for the distance P:

Distance P is equal to the length of the first spiral curve, which is the same as the minimum recommended spiral parameter.

P ≈ 150.03 m

c) Calculation for the distance Q:

Distance Q represents the length of the circular curve. It is given by the formula:

Q = (Deflection angle at Point of Intersection) / (Degree of Curve, D)

Deflection angle at Point of Intersection = 16°30'14.0"

Converting the angle to decimal degrees:

16° + (30'/60) + (14.0"/3600) = 16.504°

Q = 16.504° / (360° / D)

Q ≈ D / 21.814

Since the RAU80 has 4 lanes, the degree of curve (D) is 360° / 4 = 90°.

Q ≈ 90° / 21.814

Q ≈ 4.122 m

d) Calculation for the angle Φs:

The angle Φs is the deflection angle at the Point of Intersection.

Φs = 16°30'14.0"

e) Calculation for the distance Tc:

Distance Tc is equal to the length of the second spiral curve, which is the same as the minimum recommended spiral parameter.

Tc ≈ 150.03 m

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As four students designed and built air propelled rockets that were launched into the air. their data are recorded in the table, Rocket 3 had the greatest acceleration. The correct option is C.

The rate at which an object's velocity changes over time is measured by the physical quantity known as acceleration. It is calculated by dividing the change in time by the change in velocity.

To see the rocket that has the greatest acceleration, first we need to calculate the acceleration for all given rockets.

We know that,

Acceleration = Net Force / Mass

So,

Rocket 1: Acceleration = 12.0 N / 0.526 kg

                                      = 22.83 m/s²

Rocket 2: Acceleration = 8.0 N / 0.426 kg

                                       = 18.78 m/s²

Rocket 3: Acceleration = 12.0 N / 0.515 kg

                                      = 23.30 m/s²

Rocket 4: Acceleration = 8.0 N / 0.477 kg

                                       = 16.75 m/s²

As per this, one can see that the acceleration is greatest for rocket 3.

Thus, the correct option is C.

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Your question seems incomplete, the probable complete question is:

A) Moving with a constant speed in the positive direction, B) Moving in the negative direction and speeding up, C) Moving in the positive direction, first fast then slow, and D) Moving with negative velocity and negative acceleration.

A) Moving with a constant speed in the positive direction: This indicates a linear motion where the object maintains a constant velocity in the positive direction. The sketch would show a straight line with a constant positive slope, indicating a steady speed.

B) Moving in the negative direction and speeding up: This suggests an object that is initially moving in the negative direction and is accelerating, or increasing its speed. The sketch would depict a line with a negative slope that becomes steeper over time, indicating an increase in velocity.

C) Moving in the positive direction, first fast then slow: This implies an object initially moving in the positive direction at a high speed and gradually slowing down. The sketch would show a line with a positive slope that becomes less steep over time, indicating a decrease in velocity.

D) Moving with negative velocity and negative acceleration: This refers to an object moving in the negative direction with decreasing speed, or decelerating. The sketch would display a line with a negative slope that becomes less steep over time, representing a decrease in velocity.

These sketches provide visual representations of the predicted actions/movements, illustrating the changes in velocity over time for each scenario.

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By using uniform motion, the time taken to accelerate is 5.21 second.

We need to know about the uniform motion to solve this problem. The uniform motion is an object's motion under acceleration. It should follow the rule

vt = vo + a . t

vt² = vo² + 2a . s

s = vo . t + 1/2 . a . t²

where vt is final velocity, vo is initial velocity, a is acceleration, t is time and s is displacement.

From the question above, we know that

vo = 80 km/h = 80 x 1000/3600 m/s = 22.22 m/s

vt = 110 km/h = 110 x 1000/3600 m/s = 30.56 m/s

a = 1.6 m/s²

By using first equation, we can calculate the time taken

vt = vo + a . t

30.56 = 22.22 + 1.6 . t

1.6t = 8.34

t = 5.21 second

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Answer: It is an observation which cannot be explained.

Answer:

c is the right answer

Explanation:

I just finished the test.

Answer:

I think lead is the heaviest one

Computerized axial tomography is a noninvasive roentgenography diagnostic technique.

Tomography can be described as imaging by sections or sectioning that uses any type of penetrating wave. The method is used in biology, radiology, archaeology, geophysics, atmospheric science, oceanography, plasma physics, astrophysics, materials science, quantum information, and other areas of science.

In some cases, the production of images will be based on the mathematical procedure of tomographic reconstruction, such as X-ray computed tomography being produced from projectional radiographs.

Most algorithms come into these two categories: filtered back projection (FBP) and iterative reconstruction (IR). Optical coherence tomography is transmission methods, they do not require movement of the transmitter to need data from different directions.

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Object positions with the image positions for a convex lens. The image formed by a convex lens can be real or virtual, upright or inverted, and magnified or diminished depending on the position of the object relative to the lens.

A convex lens is a converging lens, meaning it converges light rays to a point after passing through the lens. The image formed by a convex lens can be real or virtual, upright or inverted, and magnified or diminished depending on the position of the object relative to the lens.

a. Beyond 2f: When the object is beyond 2f (twice the focal length) of the convex lens, a real, inverted, and diminished image is formed between f (the focal point) and 2f.

b. At 2f: When the object is placed exactly at 2f (twice the focal length) of the convex lens, a real, inverted, and same-sized image is formed at 2f.

c. No image: When the object is placed at the focal point of the convex lens, no real image is formed. Instead, a virtual, upright, and magnified image is formed on the same side of the object.

d. Between f and 2f: When the object is placed between f (the focal point) and 2f of the convex lens, a real, inverted, and magnified image is formed beyond 2f.

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(a) The horse's average speed for the entire trip is 10.08 m/s, and (b) its average velocity, considering "away from the trainer" as the positive direction, is 3.36 m/s.

(a) The average speed of the horse can be calculated by dividing the total distance traveled by the total time taken. In this case, the horse moved 160m away from the trainer and then returned halfway back, covering a total distance of 160m + (160m/2) = 240m. The total time taken for the entire trip is 17s + 6.8s = 23.8s. Average Speed = Total Distance / Total Time = 240m / 23.8s = 10.08 m/s. (b) Average velocity, on the other hand, takes into account both the displacement and the direction of motion. As the positive direction is defined as "away from the trainer," we consider the displacement of the horse during the entire trip. It moved 160m away from the trainer and then returned halfway back, resulting in a displacement of 160m - (160m/2) = 80m. Average Velocity = Total Displacement / Total Time = 80m / 23.8s = 3.36 m/s. Therefore, the horse's average speed for the entire trip is 10.08 m/s, and its average velocity, considering the positive direction as "away from the trainer," is 3.36 m/s.

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Answer:

C.  Current.

Explanation:

In a series circuit the current is equal in all of its components, so to measure the current we put the meter in series with the circuit.

Answer:

The object starts away from the origin and then moves toward the origin at a constant velocity. Next, it stops for one second. Finally, it moves away from the origin at a greater constant velocity.

Explanation:

Sample Response: The object starts away from the origin and then moves toward the origin at a constant velocity. Next, it stops for one second. Finally, it moves away from the origin at a greater constant velocity.

What did you include in your description? Check all that apply.

The object starts away from the origin.

The object moves toward the origin at a constant velocity.

The object stops for one second.

The object moves away from the origin at a greater constant velocity.

The circled vectors represent speed.

The is the ratio of distance traveled to time of motion. Speed is a scalar quantity because it has only only magnitude.

From the map, as the magnitude (size) of the green arrows changes, the size of the circled arrows changes accordingly.

Also, the direction of the circled arrow was constant for both top and bottom arrows.

Velocity changes with direction BUT speed does not change with direction, and has a complete meaning with only magnitude.

Thus, the circled vectors represent speed.

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The main answer is: The cheese will cause the spring to compress due to its weight.

When the cheese is placed on the vertical spring, it exerts a downward force due to its weight. This force causes the spring to compress. The spring constant, denoted by k, determines how much the spring will compress in response to the applied force. Since the mass of the cheese is given as 1.50 kg, the force exerted by the cheese due to its weight can be calculated using the equation F = mg, where m is the mass of the cheese and g is the acceleration due to gravity. This downward force causes the spring to compress, resulting in a change in the length of the spring from its equilibrium position. The specific amount of compression can be determined by the relationship between the force constant of the spring and the applied force.

In order to fully analyze the system, additional information is required, such as the value of the spring constant k. The spring constant represents the stiffness of the spring and determines how much force is needed to produce a given displacement or compression in the spring. Once the value of the spring constant is known, Hooke's Law can be applied to calculate the amount of compression in the spring. Hooke's Law states that the force exerted by a spring is directly proportional to the displacement or compression of the spring from its equilibrium position. Mathematically, this can be expressed as F = -kx, where F is the force exerted by the spring, k is the spring constant, and x is the displacement or compression of the spring. By rearranging the equation, the compression of the spring, denoted by x, can be calculated as x = -F/k. Therefore, with the value of the downward force exerted by the cheese and the spring constant, the compression of the spring can be determined.

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Answer:

B 0j

Explanation:

It is at rest, not moving

The specific set of equations that describe motion in terms of acceleration, displacement, time, and velocity are given as,

v = u + at.

v² = u² + 2as.

s = ut + ½at²

where, v is final velocity, u is initial velocity, t is time , s is displacement , a is acceleration. The above equation shows the equations of linear motion .

The acceleration is defined as ,the change in velocity (Δv) over the change in time (Δt), The unit is \(m/s^{2}\)

acceleration (a) = Δv/Δt.

The velocity is defined  as the rate of change of displacement .The unit is given by m/s.

Δv= Δx/Δt

In the above equation, Δv is change in velocity,  Δx & Δt are the change in distance and time respectively.

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The diameter of the sun, based on the given angular diameter of 3 arcminutes, is 5.56 kilometers.

To calculate the diameter of the sun, we can use the concept of angular diameter. The angular diameter of an object is the angle it subtends at the observer's location.

In this case, the angular diameter of the sun is given as 3 arcminutes (3').

We know that 1 degree (°) is equal to 60 arcminutes (').

So, 1 arcminute is equal to 1/60 degrees.

Given that the angular diameter of the sun is 3 arcminutes, we can convert it to degrees:

3 arcminutes * (1/60 degrees / arcminute) = 3/60 degrees = 0.05 degrees

Now, let's use the concept of angular diameter and trigonometry to calculate the diameter of the sun.

We can consider a right-angled triangle with the observer at one vertex, the center of the Earth at another vertex, and the sun's center at the third vertex. The angle at the observer's location is half the angular diameter,

which is 0.05 degrees / 2 = 0.025 degrees.

We can consider the radius of the Earth as a known value, approximately 6,371 kilometers.

Using trigonometry, we can set up the following equation:

tan(0.025 degrees) = (radius of the sun) / (distance from the Earth's center to the observer on the surface)

We can assume the distance from the Earth's center to the observer on the surface as equal to the radius of the Earth, which is 6,371 kilometers.

tan(0.025 degrees) = (radius of the sun) / 6,371 kilometers

Now, we can solve for the radius of the sun:

(radius of the sun) = tan(0.025 degrees) * 6,371 kilometers

Using a scientific calculator or trigonometric table, we can find the value of tan(0.025 degrees) to be approximately 0.000436.

(radius of the sun) = 0.000436 * 6,371 kilometers

(radius of the sun) ≈ 2.78 kilometers

Finally, to calculate the diameter of the sun, we double the radius:

diameter of the sun ≈ 2 * 2.78 kilometers

diameter of the sun ≈ 5.56 kilometers

Therefore, the diameter of the sun, based on the given angular diameter of 3 arcminutes, is approximately 5.56 kilometers.

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Explanation:

TEMPLE HINDUS MOSQUE MUSLIMS TEMPLE HINDUS MOSQUE MUSLIMS