A runner makes one lap around a 200 m track in a time of 25.0 s. What was the runner's average speed?

Orange light from the visible spectrum has a longer wavelength but less frequency and energy than green light. This is due to the inherent relationships between these properties of light.

When comparing green and orange light from the visible spectrum, one must consider the relationships between wavelength, frequency, and energy. Light with a longer wavelength has less frequency and energy. Orange light falls at about 590-620 nm on the visible light spectrum, while green is at 495-570 nm.

This shows that orange light has a longer wavelength but less frequency and energy than green light. This is due to the inverse relationship that exists between wavelength and frequency (the longer the wavelength, the lower the frequency) and the direct relationship between frequency and energy (the higher the frequency, the greater the energy).

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Final answer:

Green light has a longer wavelength, lower frequency, and less energy compared to orange light in the visible spectrum.

Explanation:

When comparing green and orange light within visible spectrum, it's important to understand their characteristics in terms of wavelength, frequency, and energy. Green light has longer wavelength than orange light.

Consequently, because the frequency of light is inversely proportional to its wavelength, green light has a lower frequency than orange light. When it comes to energy, the shorter the wavelength, the higher the energy; therefore, green light has less energy than orange light.

A position in the Caribbean Sea that is 20 degrees north latitude and 65 degrees west longitude is east of Central America and south of Bermuda. Typically, it is close to South America's northern shore.

In the Caribbean Sea, east of Central America and south of Bermuda, a position is indicated by latitude 20 degrees north and longitude 65 degrees west.

This geographic location is roughly located near South America's northern coast. It describes a place with tropical weather, lush habitats, and a wide variety of marine life.

Thus, the coordinates are important for navigation, weather monitoring, and regional research because they show how the Earth's geography is dynamic and how latitude and longitude interact to define certain places on our world.

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Latitude 20 degrees north and longitude 65 degrees west locate a point in the North Atlantic Ocean, northeast of the Caribbean Sea using the geographic coordinate system.

The question asks about a location defined by latitude 20 degrees north and longitude 65 degrees west. Latitude and longitude are part of the geographic coordinate system, which is used to pinpoint any location on the Earth's surface. Latitude indicates the position north or south of the equator and ranges from 0 to 90 degrees. Longitude, on the other hand, indicates the position east or west of the prime meridian, which runs through Greenwich, England, and ranges from 0 to 180 degrees. The coordinate pair provided corresponds to a point in the North Atlantic Ocean, northeast of the Caribbean Sea.

Answer: Option (b) is the correct answer.

Explanation:

When we push the box, it will start to move as a result it will gain kinetic energy. As kinetic energy is the energy due to the motion of particles. Also there will be some friction force acting on the box.

Cohesion means the strength of holding particles together. When there is resistance in holding particles together then it is called cohesive friction.

Static friction is a force due to which an object retains at rest.

When a body is rolling on a surface then the force which resists its motion is known as rolling friction.

Thus, we can conclude that when you push a box across the floor, the box will experience a kinetic friction.

It will take a train to 9 hours to travel 765 miles at 85 miles per hour.

The time taken to travel a certain distance can be calculated using the following expression;

Average speed = Distance traveled ÷ time taken

According to this question, a train is traveling 765 miles at 85 miles per hour. The time it takes is calculated as follows:

Time = 765miles ÷ 85mph

Time = 9 hours

Therefore, it will take a train to 9 hours to travel 765 miles at 85 miles per hour.

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If Ari feels compelled  to carry out repetitive tasks the same way very frequently and  if he does not conduct these tasks with extreme precision, he can feel extremely nervous and uncomfortable then he must be going through c) OCD

OCD stands for Obsessive compulsive disorder is a mental health condition of obsessions and compulsions . It is a common and long lasting disorder in which a person has uncontrollable , reoccurring thoughts and behaviors that a person can feel the urge to repeat over and over .

hence , According to question Ari feels compelled  to carry out repetitive tasks the same way very frequently that means he feels uncontrollable and compelled / forced to do few tasks because of OCD.

and  if he does not conduct these tasks with extreme precision, he can feel extremely nervous and uncomfortable because of reoccurring thought of doing things over and over again

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To find the magnitude of the acceleration in Atwood's machine system, set up equations for the forces on each block and solve them.

To determine the magnitude of the acceleration of the system, we can use Newton's second law and the concept of Atwood's machine. With Atwoods's machine, the magnitudes of acceleration of the two blocks are equal. We can set up two equations for the forces on each block and solve them to find the acceleration.

For block 1, we have T - mag = maa, where T is the tension in the string and ma is the mass of block 1.

For block 2, we have mbg - T = mba, where mb is the mass of block 2 and g is the acceleration due to gravity.

By substituting constants and solving these equations, we can find the magnitude of the acceleration.

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To convert the gravitational acceleration from flurg/grom² to meters/second², we use the relationships 5.24 flurg = 1 meter and 1 grom = 0.493 second. This results in a converted gravitational acceleration of 5.724 meters/second^2 on Omicron Persei 7.

To convert the gravitational acceleration from flurg/grom² to meters/second², we need to use the given unit equality relationships:

5.24 flurg = 1 meter

1 grom = 0.493 second

The given acceleration is 7.29 flurg/grom².

First, we will convert flurg to meters and grom to seconds:

Convert flurg to meters:

7.29 flurg/grom² is equivalent to (7.29 flurg / grom²) x (1 meter / 5.24 flurg)

= (7.29 / 5.24) meter / grom² = 1.391 meters/grom².

Convert grom² to seconds²: 1 grom = 0.493 seconds,

so (1.391 meters / grom²) x (1 grom² / (0.493 seconds)²)

= 1.391 / (0.493 x 0.493) meters / seconds²

= 1.391 / 0.243049 meters / seconds²

= 5.724 meters/second².

Therefore, the acceleration of a freely falling object at the surface of Omicron Persei 7 is 5.724 meters/second².

Answer:

blue

Explanation:

The color of light would heat a yellow brick the most is blue.

A flame of light consists of different layers of light with different colors.

The colors include the following;

The inner core of the flame is blue which is the hottest and the color changes to yellow, orange and red towards the center of the flame with decreasing temperature.

Thus, the color of light would heat a yellow brick the most is blue.

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Jean Piaget's cognitive development theory comprises four stages: sensorimotor, preoperational, concrete operational, and formal operational. Emotional Development, however, is not included in these stages. The correct option is D.

Jean Piaget, a notable cognitive development theorist, proposed a theory that cognitive development unfolds in four stages.

The stages are the sensorimotor stage (from birth until about 2 years old), the preoperational stage (approximately 2 to 7 years old), the concrete operational stage (about 7 to 11 years old), and the formal operational stage (from around 11 years old and beyond).

These stages represent children's ability to understand objects and how they work, their ability to use symbols to represent words, images, and ideas, their ability to think logically about real events, and ultimately, their development of abstract reasoning and hypothetical thinking.

Among the options provided, Emotional Development is not one of Piaget's stages of cognitive development.

Piaget's theory primarily centers on the evolution of logical thinking and reasoning abilities across different age groups, rather than emotional development.

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The probable question is :-

Which of the following is not one of Piaget's stages of cognitive development?

A) Sensorimotor

B) Preoperational

C) Concrete Operational

D) Emotional Development

Tides are principally influenced by the difference in the Moon's gravitational pull on different parts of the Earth, called differential forces, rather than just the strength of the gravitational pull. The Sun's tidal force also impacts tides, but to a lesser extent. It's the differential forces that mainly shape tides.

Tides, the twice-daily rising and falling of the sea, are primarily influenced by the difference in the strength of the Moon's gravitational pull on different parts of the Earth, known as differential forces. These forces are caused by the fact that the Earth's parts are not all equally distant from the Moon. The side of Earth nearest the Moon is attracted more strongly, creating a distortion or stretch in the Earth represented by an oblate spheroid shape.

The Sun also exerts a tidal force, yet although its gravitational pull on Earth is nearly 200 times that of the Moon, the tidal effect of the Sun is less than that of the Moon due to relative distances and sizes. Depending on the relative positions of the Moon, Sun, and Earth, the net tidal effect can be amplified or attenuated.

Therefore, while both the strength of a gravitational pull and the differences in these strengths play a role, it is the differential forces - the differences in the Moon's gravitational pull on various parts of Earth - that primarily dictates the behavior of tides.

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Answer:

Object's momentum, p = 20 kg-m/s

Explanation:

It is given that,

Mass of the object, m = 4 kg

Velocity of the object, v = 5 m/s

We need to find the object's momentum. It is given by ;

p = m × v

[tex]p=4\ kg\times 5\ m/s[/tex]

p = 20 kg-m/s

So, the momentum of the object is 20 kg-m/s. Hence, this is the required solution.

Silver solder is an alloy with a specific percentage composition that can be graphically represented using a pie chart or bar graph. Alloys combine metals like silver, tin, copper, and zinc to create a material with properties superior to its individual components.

Silver solder is an alloy that consists of multiple metallic components, each with a specific percentage contributing to the total composition. To visually represent the composition of silver solder, one would typically use a pie chart or a bar graph. Given the percentages, we see that silver and tin each make up 40% of the alloy, followed by copper at 14%, and zinc at 6%.

In the making of alloys like silver solder, the individual elements such as tin (Sn) are often produced through processes such as the reduction of tin oxide (SnO₂) with carbon to yield molten tin, which is then drawn off and cast into blocks. The general properties of such elements, including metalloids and their compounds like boron and silicon, are critical to understanding the behavior and uses of the final alloy.

Alloys have properties that differ from those of their constituent metals; for example, they may be harder, more durable, or have better thermal or electrical conductivity. This is why they are often utilized in areas where such enhanced properties are desired.

Final answer:

Silver solder is a mixture of 40 percent silver, 40 percent tin, 14 percent copper, and 6 percent zinc. A graph that shows the composition of silver solder can be drawn using a bar graph or a pie chart.

Explanation:

Silver solder is a mixture of 40 percent silver, 40 percent tin, 14 percent copper, and 6 percent zinc. To draw a graph that shows the composition of silver solder, you can use a bar graph or a pie chart. In the bar graph, you can represent each element with a bar of the corresponding percentage. In the pie chart, you can divide a circle into four sections, each representing one component and its percentage.