A rectangular coil of wire, 22.0cmcm by 35.0cmcm and carrying a current of 1.95AA , is oriented with the plane of its loop perpendicular to a uniform 1.50 TT magnetic field (Figure 1).
Calculate the net force that the magnetic field exerts on the coil.
The coil is rotated through a 30.0∘∘ angle about the axis shown, with the left side coming out of the plane of the figure and the right side going into the plane. Calculate the net force that the magnetic field now exerts on the coil. (Hint: In order to help visualize this three-dimensional problem, make a careful drawing of the coil when viewed along the rotation axis.)
Calculate the torque that the magnetic field now exerts on the coil.

Answer:

I want to say decomposers, because they break down plants that the herbivores eat, and they can also decompose the remains of a scavenger, herbivore, OR carnivore, that was killed and eaten by a carnivore, and maybe even found and eaten by a scavenger. I'm sorry if it's not correct, that's just what my brain has decided right now

Answer:

The answer is number 4. Decomposers

Explanation:

Hope this helps!!

The whole wheat bread contains more protein than the white bread .

if you eat tossed salad without ranch dressing ,you gain 4 grams of protein.

a green salad that frequently includes additional veggies (such sliced tomato and cucumber) and is dressed with oil.

Benefits of eating salads :

Healthy Salads Help You Get Enough Fruits and Vegetables.

Vegetable and Fruit Salads are Full of Fibre.

Healthy Salads Cut Calorie Consumption.

You’ll Get Access to Good Fats.

A Salad Provides Water .

Salads Can Cool You Down.

Using flour that has been partially or totally milled from whole or nearly-whole wheat grains, whole wheat bread, also known as wholemeal bread, is a type of bread. For more information, see whole-wheat flour and whole grain. It is a specific type of brown bread. Outside of the United States (such as the UK), whole grain bread and wholemeal bread are synonyms or close synonyms for whole-wheat bread. In some US regions, the bread is simply referred to as wheat bread in contrast to white bread. When compared to the nutritional worth of a high-quality loaf, some varieties of whole-wheat bread are customarily sprinkled with whole or broken grains of wheat.

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Answer:

150

Explanation:

30 times 5 = 150 i think

The solubility of the salt. : 24 g/100 g solvent(water)

Given

48 gram of a salt in 200 gram of water at 35°C

Required

The solubility of the salt.​

Solution

Solubility : the amount of a substance that can be dissolved in a solvent

Can be formulated(for 100 g solution)⇒grams solute per 100 g of solvent(100 ml water)

\(\tt solubility=\dfrac{mass~solute}{mass~solvent}\times 100\)

Input the value :

\(\tt solubilty=\dfrac{48~}{200~g}\times 100=24~g\)

The angle θ for connecting member a to the plate so that the resultant of f a fa and f b fb is directed along the positive x axis are:

Fa=8sin54.93 in x direction

Fb=6sin40 in x direction

Resultant=10.4

The term magnitude is defined as the “how much of a quantity”. For instance, magnitude can be used for explaining the comparison between the speeds of a car and a bicycle. It can also be used to explain distance travelled by an object or to explain the amount of an object in terms of its magnitude.

In Physics, magnitude is defined as maximum extent of the size and the direction of an object. Magnitude is used as a common factor in the vector and scalar quantities. By definition, we know that the scalar quantities are those quantities that have magnitude only. Whereas the vector quantities are those quantities that have both magnitude and direction.

There are the different ways in which magnitude can be used. Some of them are:

The magnitude of a number, unlike magnitude of a physical quantity, is not relative to a scale or set of units: the magnitude of 100 is 100. By contrast, magnitude of a ruler is 12 in inches but is 30.48 in centimeters. Outside of the pure mathematics one has to be careful to specify the units in which the magnitude of some quantity is measured.

Therefore magnitude of resultant is:

=\(\sqrt{8sin54+936sin40}\)

=10.4

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Explanation:

Size ratio of actual to model = 30 : 0.10 = 300 : 1. (B)

Answer:

C.  1:300

Explanation:

given:

A toy boat that is 0.10 m long is used to model the actions of an actual boat

that is 30 m long

find:

which ratio shows the relationship between the sizes of the

model and the actual boat?

model = 0.10 m

actual = 30 m

30 / 0.1 = 300

therefore,

the scale ratio of model to actual = 1:300

C.  1:300

Answer:

The correct solution is "\(5\times 10^{-4}\) %".

Explanation:

The given values are:

Pressure,

\(\Delta P=7\times 10^5 \ N/m\)

for copper,

\(B=14\times 10^{10} \ N/m\)

As we know,

The Bulk Modulus (B) = \(\frac{\Delta P}{-\frac{\Delta V}{V} }\)

or,

The decrease in volume will be:

= \((\frac{\Delta V}{V})\times 100 \ percent\)

then,

= \(\frac{\Delta P}{B}\times 100 \ percent\)

On putting the values, we get

= \(\frac{7\times 10^5}{14\times 10^{10}}\times 100 \ percent\)

= \(5\times 10^{-4} \ percent\)

Answer:

-10.8m/s^2

Explanation:

a=change in velocity/change in time

-27 m/s/2.5=10.8m/s^2

or if its not negative

27m/s/2.5=10.8m/s^2

The wave with the longest wavelength in the electromagnetic spectrum is a radio wave. Radio waves have the longest wavelength and the lowest frequency of all electromagnetic waves. They are used for broadcasting radio and television signals, as well as for communication purposes such as mobile phones and walkie-talkies.

The electromagnetic spectrum consists of various types of waves, each with different wavelengths and frequencies. As the wavelength decreases, the frequency of the wave increases, and the energy carried by the wave increases. After radio waves, the electromagnetic spectrum includes microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.

The properties of electromagnetic waves make them versatile and useful in various fields, such as communication, medicine, and astronomy. They can travel through a vacuum, at the speed of light, and their energy can be absorbed or emitted by matter. This makes them useful for studying the properties of matter and the universe, as well as for transmitting information over long distances.

In conclusion, radio waves have the longest wavelength in the electromagnetic spectrum, and they are widely used for communication and broadcasting purposes. The electromagnetic spectrum is a valuable tool for scientists and engineers, allowing them to study and utilize the properties of electromagnetic waves for a variety of applications.

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The demand for a necessity such as electricity tends to be inelastic. Here's why:Inelastic demand is when changes in price don't affect the quantity demanded as much.

Necessities such as food, water, and electricity often have an inelastic demand, meaning that when the price of the product increases, the quantity demanded does not decrease as much.Explanation:For example, if the cost of electricity increased by 10%, a household might not be able to decrease its use of electricity as much, such as by 10%. The amount of electricity that a household uses might not be affected by price changes because it's a necessity.A vertical demand curve implies that a change in price results in no change in quantity demanded.

Unit elastic refers to a change in price that results in a proportional change in quantity demanded.D elastic refers to the degree of price sensitivity. Demand is said to be elastic when a price change causes a substantial change in demand.

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The correct statement is "I only." One of the pre-loss objectives of risk managers is to meet any legal requirements the company may face.

The use of fire-resistive materials when constructing a building is an example of risk control. This is because risk control involves taking proactive steps to reduce the likelihood or severity of loss when an incident occurs. Fire-resistive materials are designed to withstand fire, and they are meant to slow down or contain the spread of fire in a building, thus reducing the risk of loss or damage.

In risk management, risk control is one of the four basic methods used to handle or mitigate risks. The other methods include risk transfer, risk avoidance, and risk retention. Risk transfer involves shifting the risk of loss to another party, such as through insurance or contract agreements. Risk avoidance involves eliminating the activity that could lead to loss or harm, while risk retention involves accepting the risk and dealing with any losses that may occur. As for the second question, the correct statement is "I only."

One of the pre-loss objectives of risk managers is to identify, assess, and evaluate potential risks that could negatively affect an organization. They also work to develop strategies to manage these risks and to ensure that the company is meeting any legal or regulatory requirements. On the other hand, one of the post-loss objectives of risk managers is to minimize the impact of losses that occur. They work to evaluate the effectiveness of the company's risk management strategies and to ensure that the company recovers from the loss as quickly as possible. Maximizing the risk manager's wealth is not a post-loss objective of risk managers.

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Answer:

B

Explanation:

Eff = output work/input work ×100

Hence, Eff = 10000/12000 × 100

Eff = 83.3%

The main reason for building large optical telescopes on the Earth's surface is to collect as much light as possible from faint objects.

Option B is the correct choice. Large optical telescopes are constructed on the Earth's surface primarily to maximize the collection of light from distant and faint celestial objects. By having a larger aperture, these telescopes can gather more photons, increasing the sensitivity and resolution of the observations.

The Earth's atmosphere also plays a significant role in the operation of optical telescopes. While it can introduce some challenges due to atmospheric turbulence, advancements in adaptive optics have helped mitigate these effects. The presence of an atmosphere also offers the advantage of filtering certain wavelengths, allowing astronomers to conduct observations in specific ranges of the electromagnetic spectrum.

Options A, C, and D are not accurate explanations for why large optical telescopes are built on the Earth's surface. The motivation behind constructing such telescopes is primarily driven by scientific goals and the desire to enhance our understanding of the universe through improved light collection capabilities

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Answer:

The efficiency of the hammer is 72%.

Explanation:

output work/input work x 100%

18J/25J x 100%

0.72 x 100%

72%

Answer:

1414.21 nm

Explanation:

diffraction grating equation is

d sin θ = nλ

were looking for λ

d is the distance between the slits = 1/500 mm = .002 mm = 2000 nm

θ is diffraction angle = 45

λ is the wavelength of the light (what were looking for)

n is the order of diffraction = "first-order bright band" = 1

λ = wavelength

θ = 45°

Plug in

2000sin(45°) = (1)λ

=> λ = 1414.21 nm

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The amplitude of a wave is directly related to the energy carried by the wave. This is because the amplitude of a wave is defined as the distance between the rest position of the wave and its highest or lowest point.

As the amplitude of a wave increases, the energy carried by the wave also increases .In the animation, we can see that as the amplitude of the wave increases, the height of the wave increases as well. This means that more energy is being transferred through the wave. Conversely, when the amplitude of the wave decreases, the height of the wave decreases and the energy carried by the wave decreases as well.

This relationship between amplitude and energy can be further illustrated by considering sound waves. A louder sound corresponds to a higher amplitude sound wave, which carries more energy. Similarly, a quieter sound corresponds to a lower amplitude sound wave, which carries less energy.

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An alien spacecraft is cruising along at 5000 km/s. Suddenly the late Leonard Nimoy appears 25,000 km in front of the spacecraft, the decelerate (in km/s/s ) to avoid hitting Mr. Nimoy at 6250 km/s/s.

If it decelerates at a slower rate, it will hit Mr. Nimoy before it can come to a stop. Given that the alien spacecraft is cruising at 5000 km/s and suddenly, Leonard Nimoy appears 25,000 km in front of the spacecraft. To avoid hitting Leonard Nimoy, the spacecraft must come to a complete stop before it reaches him. The time it takes the spacecraft to stop can be determined by dividing the distance by the velocity of the spacecraft.

Time taken to stop = 25,000 km / 5000 km/s = 5 seconds.

The deceleration required to achieve this can be calculated by dividing the velocity by the time taken to stop.

Deceleration = 5000 km/s / 5 s = 1000 km/s/s.

Therefore, the alien spacecraft must decelerate at 6250 km/s/s to avoid hitting Mr. Nimoy.

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The characteristics that Venus and Earth share are:

A. Similar size, mass, and density: Venus and Earth are often referred to as sister planets because they have similar sizes, masses, and densities.

Venus has a diameter of about 12,104 kilometers, while Earth has a diameter of about 12,742 kilometers. The mass and density of both planets are also comparable.

B. Same direction of rotation: Both Venus and Earth have a prograde rotation, meaning they rotate in the same direction as they orbit the Sun.

They rotate from west to east, with Venus completing one rotation in about 243 Earth days, while Earth takes approximately 24 hours for a full rotation.

C. Slow revolution period around the Sun: Venus has a longer orbital period around the Sun compared to Earth.

Venus takes about 225 Earth days to complete one revolution around the Sun, whereas Earth completes a revolution in approximately 365.25 days.

D. Atmosphere composed mostly of carbon dioxide: Venus has a thick atmosphere primarily composed of carbon dioxide (about 96%).

Earth's atmosphere, on the other hand, consists mostly of nitrogen (about 78%) and oxygen (about 21%), with only trace amounts of carbon dioxide.

In summary, the characteristics that Venus and Earth share include similar size, mass, and density, same direction of rotation, and a slow revolution period around the Sun.

However, their atmospheric compositions differ significantly, with Venus having a predominantly carbon dioxide atmosphere while Earth has a different composition dominated by nitrogen and oxygen.

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The average speed for John's trip to Sea World in San Antonio, given the displacement and driving distance of the trip, as well as the time it takes to get to the location is approximately 96 km/h.

Distance (d) = 528.0 km, Average speed = ? Time (t) = 5.5 hours

To calculate the average speed of the trip, use the formula:

Average speed = Total distance covered ÷ Time taken

The total distance covered is the driving distance given in the problem, which is 528.0 km.

Average speed = Total distance covered ÷ Time taken

= 528.0 km ÷ 5.5 hours

= 96 km/h

Therefore, the average speed for the trip from John's house in Carrollton to Sea World in San Antonio is approximately 96 km/h.

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Answer: Alpha and Beta radiation

Explanation: Within the nuclear gauge, the encapsulation of the radioactive material prevents alpha and beta radiation from escaping and being a hazard.

Answer:

its speed will increase to 8 newtons allowing its position to dramatically change.

The time at which the centripetal and tangential accelerations of a point on the rim have the same magnitude is given by t = √(R/α).

A tangential = R, where R is the wheel's radius and is the angular acceleration, gives the tangential acceleration of a point on the rim of the wheel.

A centripetal =  v²/R, where v is the speed of the point, gives the centripetal acceleration of a point on the rim of the wheel.

At time t, the wheel's angular displacement is given by  = (1/2)t2, and the speed of the point on the rim is given by v = R, where is the wheel's angular velocity.

Setting the magnitudes of the tangential and centripetal accelerations equal, we have:

Rα = v²/R

Substituting v = Rω and simplifying, we get:

Rα = Rω²

α = ω²

Using the definition of angular velocity ω = αt, we get:

t = √(R/α)

Therefore, the time at which the centripetal and tangential accelerations of a point on the rim have the same magnitude is given by t = √(R/α).

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Answer:

The answer is 144kg to 3s.f

Explanation:

convert cm to m

48/100=0.48

V=L³

V=0.48³

V=0.110592m³

\(density = \frac{mass}{volume} \)

1300=m/0.110592

m=1300×0.110592

M=144Kg o 3s.f

The power that firefighter needed to reach the top of the building in 55s is equal to  463.3 Watts.

Power can be described as the rate of doing work and is also defined as the work done in unit time. The S.I. unit of power is Joule/second or Watt (W). The mathematical expression for power is mentioned below.

Power = work/ time

P = W/ t

Given, the height of the building, h = 20 m

The total mass of the firefighter and backpack, m =  85 + 45 = 130 Kg

The time taken to reach the top, t = 55 sec

The power that will be needed can be determined as:

\({\displaystyle {P = \frac{m\times g\times h}{t}\)

\({\displaystyle {P = \frac{130\times 9.8\times 20}{55}\)

P = 463.3 Watt

Therefore, with the power of 463.3 Watts, a firefighter will reach the top in 55s.

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If the car heading south travels 50 miles farther than the car going east, how far does the car heading east travel travels  150.0 miles, the problem can be solved by the formula d = rt.

The used equation is d = rt, The equation states that the distance traveled is equal to the rate times the time. This equation can be used to calculate the distance traveled by an object, given that the rate and time are known. In this case, the rate was the same for both cars and the time was the same for both cars, allowing us to calculate the distance traveled by a car heading east. Since we know that the car heading south traveled 50 miles farther than the car going east, we can subtract 50 miles from the total distance of 200 mi to find the distance traveled by car heading east. This gives us a value of 150 mi, which can be rounded to the nearest tenth to give us 150.0 miles.

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The net torque on the pulley about the axle would be -0.20 Nm.

Torque is defined as a twisting or turning force that causes rotation around an axis, which can be a centre of mass or a fixed point. Torque can also be defined as a rotating object's ability to overcome turning resistance, such as a gear or a shaft.

In most cases, it is expressed in pounds per foot or newtons per metre. Torque is frequently confused with work, which is defined as force applied across a distance. Torsion (twisting) is, however, an essential component of the definition of torque.

Torque and work are both mechanical expressions of energy. Torque is a force that allows cars to smoke brake burns and accelerate quickly from a slow speed.

The net torque on the pulley well about axle is the torque due to the 30 N force plus the torque due to 20 N force:

T=(30 N)r₁ sinθ₁+(20 N)r₂ sinθ₂

= (30 N)(0.02 m)sin(-90°)+(20 N) (0.02 m)sin(90°)

=(-0.60Nm)+(0.40 Nm)

=-0.20 N m

Thus, The net torque on the pulley about the axle would be -0.20 Nm.

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The average speed of the car is 35.6m/s

The average speed is the total distance traveled by the object in a particular time interval. The average speed is a scalar quantity. It is represented by the magnitude and does not have direction. It is measured in meter per second

Therefore average speed = total distance / total time taken

The total distance here is 500+ 500= 1000km = 1×10⁶m

the time taken for the first journey = 500×1000/35= 14285.71 seconds

the time taken for traveling back = 500000/43= 11627.91 seconds

total time taken = 14285.71 + 11627.91 = 25913.62seconds

therefore average speed = 1000000/25913.62

= 35.6m/s

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However, it's proximity to the Sun means that its average orbital velocity is a speedy 47.362 kilometers a second or 29.429 miles per second – approximately 170,500 km/h; 105,945 mph. At this rate, it takes Mercury 87.969 days, or the equivalent of 0.24 Earth years, to complete a single orbit of the Sun.