A student wishes to make the magnetic force exerted by the electromagnet shown below greater. Which procedure step could the student follow to accomplish this goal?

Answer:

D

Explanation:

The actual volume of the cone is 160/3 cm3, and it increases from the center of the base to the tip. The form of a cone with a dotted line.

The amount of quantity that is gained by the solid or object when it is located in three-dimensional space is referred to as the volume of the solid.

The volume of the cone may be calculated using the formula below, which is as follows:

\(V=\frac{\pi r^2 h}{3}\)

The radius of the cone's base is denoted by the symbol (r), while the height of the cone is denoted by the symbol (h).

The picture of the cone, the volume of which has to be determined, is attached further down.

The height of the cone is 10 centimeters, while the radius measures 4 centimeters. Thus, enter these numbers into the formula shown above as,

\(& V=\frac{\pi(4)^2(10)}{3} \\& V=\frac{160}{3} \pi \mathrm{cm}^3\)

As this is the case, the precise volume of the cone in which the outline of a cone with a dotted line rises from the center of the base to the tip is 160/3 cm3.

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Answer:

45/139

Explanation:

there are 45 green candies that you could pick out of a total of 139 candies.

the spring constant of the spring is k. the spring is initially compressed a distance x0. the block is released from rest.

Velocity is the measure of the amount of distance an object covers in a given amount of time. Here's a word equation that expresses the relationship between distance, velocity and time: Velocity equals distance travelled divided by the time it takes to get there.

Speed = Distance/Time – This tells us how slow or fast an object moves. It describes the distance travelled divided by the time taken to cover the distance. Time = Distance / Speed, as the speed increases the time taken will decrease and vice versa.

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Option A. An electromagnetic wave at very long wavelength (low frequency) best describes a radio wave.

A radio wave is best described as an electromagnetic wave at a very long wavelength or low frequency. It is not a pressure wave. Radio waves are a type of electromagnetic radiation, which also includes other forms such as visible light, infrared, and X-rays. The term "wavelength" refers to the distance between two consecutive points in a wave, such as from one crest to the next. In the case of radio waves, the wavelength is quite long, ranging from several millimeters to hundreds of meters. This long wavelength allows radio waves to travel long distances and pass through obstacles such as buildings and trees. Radio waves are used for various purposes, including communication, broadcasting, and radar systems. For example, when you listen to the radio, the sound is encoded onto a carrier wave, which is a specific radio wave frequency. The receiver then extracts the sound from the carrier wave, allowing you to hear it. Similarly, radar systems use radio waves to detect and track objects like airplanes or weather patterns. To summarize, a radio wave is an electromagnetic wave at a very long wavelength or low frequency. It is not a pressure wave. Radio waves are used for communication, broadcasting, and radar systems due to their ability to travel long distances and pass through obstacles. They play a crucial role in everyday life, allowing us to enjoy wireless communication and entertainment.

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The electric field strength between the two parallel plates is approximately 34,483 V/m.

The expression for the computation of the electric field between two plates is given as

Electric field (E) = Potential difference (V) / Distance between plates (d)

Substituting our given values into the expression we have:

E = 200V / 0.0058m

E ≈ 34,483 V/m

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Answer:

0.5

Explanation:

Two resistors with resistances of 2 ohms and 4 ohms, respectively, are connected in series with a battery. The current through the 2 ohms resistor is 2A. How would one find the current through the 4 ohms resistor?

I = V/R we get I = 10/ 200 or .05 amps.

Therefore, H2 will be less than H1 because the initial potential energy possessed by the block at point P will be converted to kinetic energy and some energy will be dissipated as heat due to friction. So, the final vertical height of the block on the other side of the track will be less than the initial vertical height from where it was released.

The block of mass M placed on a semicircular track and released from rest at point P, which is at vertical height H1 above the track's lowest point, will slide on the track to the other side. Due to the rough surface of both the track and the block, a coefficient of friction exists between them. When the block reaches the other side of the track, it will come to rest at a vertical height H2.
The amount of energy possessed by the block at the beginning of the slide is equal to its potential energy at point P, which is Mgh1, where g is the acceleration due to gravity. As the block slides down the track, some of this energy is converted to kinetic energy, and some is dissipated as heat due to friction. By the time the block reaches the other side of the track, it will have lost some of its initial potential energy due to friction.

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Show us the experiment then

The hamster is running at a linear velocity of 6.5π cm/sec.

a) To find the angular velocity of the wheel, we can use the formula:

angular velocity (ω) = 2π / time period

where time period is the time taken for one revolution. In this case, the hamster takes 4 seconds to complete one revolution, so the time period is 4 seconds. Substituting this value into the formula, we get:

ω = 2π / 4 = π / 2

Therefore, the angular velocity of the wheel is π / 2 radians/sec.

b) To find the linear velocity of the hamster, we need to know the distance traveled by a point on the circumference of the wheel in one revolution. This distance is equal to the circumference of the wheel, which is:

circumference = 2πr = 2π(13) = 26π cm

The hamster completes one revolution in 4 seconds, so its speed can be found using the formula:

speed = distance / time

Substituting the values we have found, we get:

speed = 26π / 4 = 6.5π


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According to the search results, telescopes designed to study the earliest stages in galactic lives should be optimized for observations in infrared light. This is because infrared light can penetrate through the dust and gas that obscure the formation of stars and galaxies in the early universe. Infrared light also allows astronomers to observe the redshifted light from very distant and ancient galaxies, which are moving away from us at high speeds due to the expansion of the universe. Infrared telescopes can be either ground-based or space-based, but space-based ones have the advantage of avoiding the interference from the Earth's atmosphere, which absorbs and emits infrared radiation. Some examples of infrared telescopes that are used or planned for studying the earliest stages of galactic lives are:

- The James Webb Space Telescope (JWST), which is scheduled to launch in 2021 and will observe infrared light from 0.6 to 28 micrometers in wavelength. It will have a primary mirror of 6.5 meters in diameter and will operate at a temperature of about -230°C. It will be able to study the formation of stars and galaxies, as well as the evolution of planetary systems and the origins of life.

- The Herschel Space Observatory, which operated from 2009 to 2013 and observed infrared light from 55 to 672 micrometers in wavelength. It had a primary mirror of 3.5 meters in diameter and operated at a temperature of about -271°C. It was able to study the formation of stars and galaxies, as well as the interstellar medium and the chemical composition of celestial objects.

- The Atacama Large Millimeter/submillimeter Array (ALMA), which is a ground-based array of 66 radio telescopes that observe millimeter and submillimeter wavelengths, which are part of the infrared spectrum. It is located in Chile at an altitude of about 5000 meters and has a resolution of about 0.01 arcseconds. It can study the formation of stars and galaxies, as well as the structure and dynamics of protoplanetary disks and exoplanets.

Therefore, the answer is: Telescopes designed to study the earliest stages in galactic lives should be optimized for observations in infrared light.

Telescopes being planned for the study of the earliest stages in galactic lives will be optimized for observations in the infrared part of the electromagnetic spectrum.

This is because the infrared radiation can penetrate through the dust and gas clouds that shroud the earliest stages of galaxies and allow us to see the formation of stars and galaxies that would otherwise be obscured by the dust and gas.

Infrared observations can also reveal the temperature and chemical composition of these clouds and help us understand the physical processes that lead to the formation of galaxies.

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Braking studies have shown that a tractor-trailer traveling at 55 mph needs two times the distance to stop as an automobile.

There are four parts that make up a vehicle's overall stopping distance i.e., Vehicle reaction time and distance, human perception time and distance, human reaction time and distance Vehicle Braking Distance and Time

The maximum distance your car will travel while braking under perfect circumstances. It may require 216 feet at 55 mph on dry pavement with decent brakes. The brakes must use more force to stop a bigger car, which increases heat absorption. On the other hand, large vehicles' brakes, tires, springs, and shock absorbers are made to function optimally when fully loaded. Trucks that are empty need longer stopping distances because they have less traction. It can lock up and bounce, providing substantially worse braking.

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Answer:

B

Explanation:

An object with a mass of 15 kilograms on Earth weighs approximately 147.15 Newtons (N).

 Mass is the amount of matter that an object contains, whereas weight is the force of gravity on that object. The formula for calculating weight is:F = m × gwhere:F is weightm is massg is the acceleration due to gravityOn Earth, the acceleration due to gravity is approximately 9.81 meters per second squared (m/s²). Therefore, the weight of an object with a mass of 15 kg on Earth would be:F = 15 kg × 9.81 m/s²F = 147.15 NThus, an object with a mass of 15 kilograms on Earth weighs approximately 147.15 Newtons (N).

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Answer:

The mass of the lorry 7800 kg

Explanation:

Momentum conservation law for inelastic collision:

\(m1*V1 + m2*V2 =( m1 + m2)*V^{'} \\ \\1200*10^{3} g * 30 m/s + m2*0 m/s =(1200*10^{3} g + m2)*4 m/s\\ \\\frac{1200*10^{3} g * 30 m/s}{4 m/s} -1200*10^{3} g=m2\\ \\m2=9000*10^{3} g-1200*10^{3} g=7800*10^{3} g=7800 kg\)

The airline will need to have at least 167 passengers on each flight to break even.

To calculate the number of passengers needed to break even, we need to consider the total costs and the revenue generated per flight.

The total cost per flight consists of the fixed costs (£25,000) and the variable costs (£75 per passenger). The revenue per flight is determined by the ticket price (£225) multiplied by the number of passengers.

Let's denote the number of passengers as 'P'. The total cost per flight is given by:

Total Cost = Fixed Costs + (Variable Cost per Passenger * Number of Passengers)

Total Cost = £25,000 + (£75 * P)

The revenue per flight is given by:

Revenue = Ticket Price * Number of Passengers

Revenue = £225 * P

To break even, the total cost should equal the revenue:

£25,000 + (£75 * P) = £225 * P

Now, we can solve this equation for P to find the number of passengers needed to break even:

£25,000 + (£75 * P) = £225 * P

£25,000 = £225 * P - £75 * P

£25,000 = £150 * P

P = £25,000 / £150

P ≈ 166.67

Since the number of passengers must be a whole number, we round up to the nearest whole number:

P = 167

The airline will need at least 167 passengers on each flight to break even. However, since the maximum capacity of the aircraft is 200 passengers, the airline will need to fill the aircraft to its maximum capacity to break even on each flight.

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Answer:

i think d. : 1 newton

Explanation:

because to accelerate something you need force and the unit for force is Newtons

Answer: Seatbelts relate to Newton's first law of motion because in the case of a car accident, someone in the car would continue forward until they hit somethng else. A seat belt will help prevent this because it will push back on you (action-reaction force).

Explanation:

Answer:

Weight varies with location depending upon the acceleration due to gravity eg. for a mass m = 10kg on Earth it`s weight is W = mg = 10 x 10 = 100N.

Explanation:

Near Earth's surface, the weight of an object in newtons is  10 times its mass in kilograms. This relationship of the acceleration is due to gravity on Earth, which is 9.81 m/s².

Mathematically, it can be expressed as:

Weight (in newtons) = Mass (in kilograms) × Acceleration due to gravity

So, an object with a mass of, for example, 5 kg, its weight near the Earth's surface would be:

Weight = 5 kg × 9.81 m/s² = 49.05 N

The weight in newtons is roughly 10 times the mass in kilograms of objects near the Earth's surface. The given statement is correct.

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Answer:

im not sure but from few stuffs i read online i will try and answer

Explanation:

The pod may be heavier or lighter than normal, depending on the number of

asteroid samples.

• Based on everyday experience, heavier objects are more difficult to move as

compared to lighter objects, which are easier to move

This pod moved differently because it was more massive. The kids in other missions were less massive, so the thursters stopped the pod. The thrusters were supposed to do stop the pod, but since it was more massive it only slowed. The force exerted by the thrusters wasn't great enough to stop the pod.

The average velocity of Iguana is -2.55m/s when it crawls from 5m to -18m in 9 seconds.

Average velocity of a body is defined as the total displacement divided by the total time taken by the body.

Here, initial position of iguana is 5m and the final position of the iguana is -18m.

Total displacement D is,

D = final position - initial position.

D = -18-5

D = -23m

Total time taken by the iguana is 9.0 seconds.

Average velocity(V) = total displacement/total time taken.

Putting values,

V = -23/9

V = -2.55m/s.

So, the average velocity of the iguana is -2.55m/s.

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Answer:

I think you don't understand my word because I write in English your writing in Italian

Answer: 65.25 J

Explanation:

Kinetic Energy K.E. = 1/2 * m * v^2 ; where m is the mass of the body and v is the velocity of the body ; K.E. = 1/2 * 0.145 * 30 * 30 = 65.25 Joules

Answer: 2 i think

Explanation:

Answer:Im pretty sure its the second one because sound sometimes bounces back and that causes echo and it doesnt travel in one line or direction

Explanation:

Answer:

0.407 kg

Explanation:

Given :

Coefficient of static friction, µs = 0.276

Force, F = 1.1 N

Using the relation :

μ = F/N

N = normal reaction ; N = mg

μ = F / mg

g = acceleration due to gravity = 9.8 m/s²

0.276 = 1.1 / m * 9.8

0.276 = 1.1 / 9.8m

0.276 * 9.8m = 1.1

2.7048m = 1.1

m = 1.1 / 2.7048

m = 0.4066844

Mass = 0.407 kg

Answer:

The world would be fine

Explanation:

Answer:

n ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical manifestation of its ecological niche. Thus "habitat" is a species-specific term, fundamentally different from concepts such as environment or vegetation assemblages, for which the term "habitat-type" is more appropriate.[2]

The physical factors may include (for example): soil, moisture, range of temperature, and light intensity. Biotic factors will include the availability of food and the presence or absence of predators. Every organism has certain habitat needs for the conditions in which it will thrive, but some are tolerant of wide variations while others are very specific in their requirements. A species habitat is not necessarily a geographical area, it can be the interior of a stem, a rotten log, a rock or a clump of moss; a parasitic organism has as its habitat the body of its host, part of the host's body (such as the digestive tract), or a single cell within the host's body.[3]

Explanation:

Geographic habitat types include polar, temperate, subtropical and tropical regions. The terrestrial vegetation type may be forest, steppe, grassland, semi-arid or desert. Fresh-water habitats include marshes, streams, rivers, lakes, and ponds; marine habitats include salt marshes, the coast, the intertidal zone, estuaries, reefs, bays, the open sea, the sea bed, deep water and submarine vents.

Habitats may change over time. Causes of change may include a violent event (such as the eruption of a volcano, an earthquake, a tsunami, a wildfire or a change in oceanic currents); or change may occur more gradually over millennia with alterations in the climate, as ice sheets and glaciers advance and retreat, and as different weather patterns bring changes of precipitation and solar radiation. Other changes come as a direct result of human activities, such as deforestation, the plowing of ancient grasslands, the diversion and damming of rivers, the draining of marshland and the dredging of the seabed. The introduction of alien species can have a devastating effect on native wildlife - through increased predation, through competition for resources or through the introduction of pests and diseases to which the indigenous species have no immunity.

Answer:

D, Air Quality Index :)

Hope this helped!

P.S. : Can I get brainliest please?

Answer:

b

Explanation:

because f its electronic configuration 2:8 indicating that it has 8 electrons in its outer most energy level