write an assignment statement to convert temperature in degrees fahrenheit to degrees celsius. the formula for this conversion is celsius = 5/9 (fahrenheit - 32).

Answer:

They need carbon, sunlight and water.

Explanation:

Therefore, the angle between vectors `u` and `v` is 90°.

To find the angle between two vectors, we can use the formula:

`cos(θ) = (u . v) / (||u|| ||v||)`

Where u and v are vectors, `.` is the dot product of vectors and || || is the magnitude of a vector.θ is the angle between the two vectors.

In this problem, we need to find the angle between vectors `u` and `v`.

We have the following vector

s:u = (2, 3, 0) and v = (3, −2, 1)

Let's find the dot product of vectors `u` and `v`.u .

v = 2 × 3 + 3 × (−2) + 0 × 1

= 6 − 6 + 0

= 0

Let's now find the magnitudes of vectors `u` and `v`.||u|| = √(2² + 3² + 0²) = √(13) and

||v|| = √(3² + (−2)² + 1²)

= √(14)

Now, we can use the formula to find the angle between vectors `u` and `v`.cos(θ) = (u . v) / (||u|| ||v||)cos(θ)

= 0 / (√(13) × √(14))cos(θ)

= 0θ

= cos⁻¹(0)θ

= 90°

The angle between the vectors u = (2, 3, 0) and v = (3, −2, 1) is 90 degrees.

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The speed of the block at points just before and just after the midpoint and the time its takes the block to travel between them.

The rate at which speed and direction of movement change over time is referred to as acceleration. When something moves faster or slower, it is said to be accelerating. Motion on a circle increases even while the speed is constant because the vector is always changing.

According to Newton's second law of motion, an object's acceleration is equal to the net force applied to it divided by its mass, or a = F m. Given an object's mass and the net pressure exerted on it, one can use this acceleration equation to calculate its acceleration.

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The car that slows down to 20 m/s stopped 50 meters away. Assume a slowness is always present. The friction coefficients for static and dynamic surfaces are 0.5 and 0.03, respectively and the coefficient of kinetic friction is 0.203.

an amount or signal that increases a quantity or signal

Three is employed to measure some attribute as both the exponent to x in the expression 3x.

In addition to other sorts of numbers, coefficients can always be fractions, whole numbers, positive, negative, irrational, and more. Deleterious coefficients include those with negative values, to put it simply. Any negative integer, such as -8 in the formula -8z or -11 in the expression -11xy, can be a negative coefficient.

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The measured value of g is determined by the slope of the  time period T² vs. l graph (acceleration due to gravity).

Time period the amount of time that a behavior lasts or a condition persists. Depending on the type of activity or situation under consideration, it may be measured in seconds or in millions of years.

the duration T as determined by the formula T = 2π √(l/g). The pendulum's length, l, is indicated here.

The result of squaring both sides is  T² = 4π² l/g

42 and g are constants, thus

⇒ T² = ml

The slope of the T² vs l graph in this case is m. The slope's value is m =  4π²/g

We can determine the value of g from the slope of the graph by substituting π = 10 in the equation above.

g = 40/m

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The average temperature of the coffee during the first 16 minutes can be determined by finding the average value of the temperature function T(t) = 17 + 80\(e^{-t/47}\) over the interval [0, 16]. The average temperature is approximately 28.33°C.

To find the average temperature of the coffee during the first 16 minutes, we need to calculate the average value of the temperature function T(t) = 17 + 80\(e^{-t/47}\) over the interval [0, 16].

The average value of a function f(x) over an interval [a, b] is given by the integral of f(x) over that interval divided by the length of the interval (b - a):

Average value = (1 / (b - a)) * ∫[a, b] f(x) dx.

Applying this concept to the temperature function T(t) over the interval [0, 16], we have:

Average temperature = (1 / (16 - 0)) * ∫[0, 16] (17 + 80\(e^{-t/47}\)) dt.

Evaluating the integral, we get:

Average temperature = (1 / 16) * [17t - 80 * 47\(e^{-t/47}\)] from 0 to 16.

Plugging in the values, we have:

Average temperature = (1 / 16) * [17 * 16 - 80 * 47\(e^{-16/47}\)) - (17 * 0 - 80 * 47\(e^{-0/47}\))].

Simplifying further, we find:

Average temperature ≈ 28.33°C.

Therefore, the average temperature of the coffee during the first 16 minutes is approximately 28.33°C.

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Answer:

Explanation:

\(h=-v^2 /2g\)

\(with\\g = 9,8 m/s^2 or 10 m/s^2\)

\(h= (-13)^2 / 2 * 9,8 = 8,6\)

If they had done a risk assessment first "The student would have no injuries because he would know hydrochloric acid is dangerous and would be wearing gloves when using it"

An aqueous solution of hydrogen chloride HCl that is a strong corrosive irritating acid, is normally present in dilute form in gastric juice, and is widely used in industry and in the laboratory.

Maintain a safe distance between your hands and your body, mouth, eyes, as well as a face when utilizing lab supplies and chemicals.

If they had done a risk assessment first "The student would have no injuries because he would know hydrochloric acid is dangerous and would be wearing gloves when using it"

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Answer:

10m/s

Explanation:

Data

mass=55kg, Maximum height (h1) =10m

Height reached when going down (h2)= 5m

final velocity (v)=?

At Maximum height the velocity is zero

hence intial velocity is 0m/s

The change in Potential energy = change in kinetic energy

mgh1-mgh2=1/2mv²-1/2mu²

But (u)= 0m/s

mgh2-mgh1=1/2mv²

mg(h1-h2)=1/2mv²

2g(h1-h2)=v²

v²=2(10m/s²)(10m-5m)

v²=100m²/s³

v=10m/s

The effect of weather and climate on the picture is erosion. The 3 potential solutions to the erosion are Planting of a cover crop, Build Terraces, and Create diversions to Help Drainage.

Erosion is defined as the washing away of the topmost portion of the soil which can occur due to natural causes or through the activities of man.

The natural causes of erosion is related to changes in weather and climate through rain, rivers, floods, lakes, and the ocean.

The three potential solutions to the problem of erosion include the following:

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Conductors are materials that allow electrical charges to flow through them easily, such as metals, while insulators are materials that resist the flow of electrical charges and do not conduct electricity, such as rubber or plastic.

Conductors and insulators are two types of materials with very different electrical properties. Conductors allow electricity to flow freely through them, while insulators prevent the flow of electricity. Conductors have a low resistance to electrical flow, while insulators have a high resistance.

Examples of conductors include metals like copper and aluminum, as well as water and human tissue. Examples of insulators include rubber, plastic, glass, and air. Conductors are commonly used in electrical wiring and circuits, while insulators are used to protect people and equipment from electric shocks and to prevent electrical interference.

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Answer:

The electron is a negatively charged particle found in the atoms of all the elements. The electrons are located outside the nucleus in an atom. An electron is usually represented by the symbol (e –). The mass of an electron is about the mass of a hydrogen atom.

Explanation:

The pressure of the argon gas in the container is -8.77 atm.

To determine the pressure of the argon gas, we can use the ideal gas law equation: PV = nRT. Given that the volume of the container (V) is 3.00 liters, the number of moles of argon gas (n) is 0.52 mol, the gas constant (R) is 0.0821 L·atm/mol·K, and the temperature (T) is 20.0°C (which is equivalent to 293.15 K),

we can rearrange the equation to solve for pressure (P). Substituting the known values and solving the equation, we find that the pressure of the argon gas in the container is approximately -8.77 atm. The negative sign indicates that the gas is under a vacuum.

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The velocity of the airplane as we can see is  260 m/s.

The resultant velocity is the vector sum of all the individual velocities acting on an object. It represents the combined effect of these velocities and describes the overall motion of the object.

To find the resultant velocity, you need to consider both the magnitude (speed) and direction of each velocity vector. If the velocities are in the same direction, you can simply add their magnitudes together

The resultant velocity can be obtained from;

\(R^2 = (240)^2 + (100)^2\)

R = √67600

R =  260 m/s

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The shortest chain sling ACB for a movable bin is  1.228 m.

The question is not complete. A similar question is in the attachment. Use the image in a similar question for this problem. Look at the picture. In the system works

Triangle ABC is an isosceles triangle. If ∠ CAB = ∠ CBA = θ.

According to Newton's first law, in the y-axis

∑ F = 0

w - T₁y - T₂y = 0

T₁y + T₂y = 2,100

T₁ sin θ + T₂ sin θ = 2,100

5,000 sin θ + 5,000 sin θ = 2,100

10,000 sin θ = 2,100

sin θ = 2,100 ÷ 10,000

sin θ = 0.21

θ = sin⁻¹ (0.21)

θ = 12.12°

Look at AOC

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Answer: 8.75 km/hr

Explanation:

Concept to know

Average speed: total distance/total time

-------------------------------------------------------

 total distance/total time

=(12.2+19.3)/(1.4+2.2) ⇔ add the numbers of two time running together

=31.5/3.6 ⇔ simplify

=8.75 km/hr

Hope this helps!! :)

Please let me know if you have any question

Answer:

Abiotic referfers to non-living and biotic factors are living or once living

Explanation:

This can be done using the formula:

heat capacity = (mass of hot water x specific heat capacity of hot water) + (mass of cold water x specific heat capacity of cold water) – (mass of calorimeter x temperature change).

The heat capacity of a calorimeter can be found using a hot and cold water method. To begin, you will need a calorimeter (such as a coffee cup calorimeter), a hot water source, a cold water source, a thermometer, and a timer. Start by measuring the temperature of the hot water and the cold water, then fill the calorimeter half full with the hot water and half full with the cold water.

Place the thermometer in the calorimeter and wait for a few minutes to ensure that the temperature of the water in the calorimeter is stable. Once the temperature is stable, record the temperature and use it to calculate the heat capacity of the calorimeter.

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You should put your finger on the violin string at a specific distance from the nut to produce a note that is a perfect fifth above the fundamental of the open string.

When you play an open string on the violin, the length of the vibrating part of the string determines the frequency of the sound produced.

When you place your finger on the string at a certain distance from the nut, you shorten the vibrating length of the string and increase its frequency, producing a higher note. The specific distance required to produce a perfect fifth above the open string is a ratio of 3:2, meaning the string length is divided into two parts, with the shorter part being 2/3 of the length from the nut.
To produce a note that is a perfect fifth above the fundamental of an open string on the violin, you should place your finger on the string at a distance that is 2/3 of the string length from the nut.

This division of the string length into two parts in a 3:2 ratio produces the required frequency for a perfect fifth.

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Our neighborhood galactic center's black hollow,, is a supermassive black hollow with a mass of approximately 4 million suns, which in all fairness small for a supermassive black hollow.

NASA's Hubble Space Telescope and different telescopes have decided that many galaxies have supermassive black holes at their centere. Once in the black hollow's occasion horizon, rely could be torn aside into its smallest subatomic additives and sooner or later be squeezed into the singularity.

As the singularity accumulates increasingly rely, the scale of the black hollow's occasion horizon will increase proportionally. Quasars are believed to be powered through accretion of cloth into supermassive black holes withinside the nuclei of remote galaxies, making those luminous variations of the overall elegance of items referred to as lively galaxies.rely falling into super-big black holes withinside the facilities of a few galaxies is idea to be the supply.

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The formulation for gravitational force does have the variables F, G, m1, m2, and r2.

The product of something like the gravitational constant as well as the masses of both the two items, divided with the square of such distance separating the two objects, would be the equation for the gravitational force among two things.

The formula is given as:

Force = (Multiplication of g, m  ) / square of distance among both the objects.

= F = (G × M × m (mass)) / r²

where,

Force = F

Gravitational Constant = G

Mass of one object = M

Mass of another object = m

Distance = r

Since all of the items in this situation share the same mass, the gravitational force equation is,

F = (G X M X m(mass)) / r² (distance)

Gravitational force was the force utilized by the earth to pull an item toward it. Issacs Newton made the discovery after seeing an apple fall from either the tree.

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Explanation:

The new volume of water = 25 ml

The old volume of water = 15 ml

The difference = 25 - 15 but what are the units?

Since the question asks for force, the units must start out as 10 mL

In water 1 mL has a mass of 1 gram, so the answer is 10 grams.

Grams are units of mass, not weight. You should convert this into newtons.

10 grams = 1/1000 = 0.01 kg

1 kg has a weight of 9.81 Newtons

0.01 kg has a weight 0.081 Newtons

If you have never seen a Newton before, then the answer is 10 grams

Answer:

See below

Explanation:

Total distance covered while jogging = 20 + 5 = 25 m  

   in 15 sec       speed is then  25 m / 15 s =  1  2/3  m/s

Displacement =   20 - 5 = 15 meters east  

Answer: No, constant speed does not mean constant velocity.

A classic often used example would be to consider a car driving in circles. If the speedometer reads say 20 mph the entire time, then the speed of the car is held constant (ie the same). But the velocity is changing because velocity measures direction along with speed. The car is changing direction as it moves in a circle.

Explanation:

Taking g=10m/s²

P.E =mgh

981J= 2×10×m

981J=20m

m. = 981J/20

m. = 49.05kg

Physical effects refer to the changes or alterations that occur in the physical properties of an object or system, as a result of a physical force or interaction.

Physical effects are the modifications or changes that take place in an object's or system's physical characteristics as a result of a physical force or interaction.

These effects can be observed and measured through various physical phenomena, such as temperature, pressure, density, electric fields, and magnetic fields, among others.

Examples of physical effects include the deformation of a material under stress, the heating or cooling of an object when it is exposed to a heat source or cold environment, the change in pressure of a gas when it is compressed or expanded, the flow of electric current through a conductor, and the generation of magnetic fields around a magnet or current-carrying wire.

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The magnetic domains in a magnet produce a weaker magnet when the magnet is subjected to external factors that disrupt or realign the domains, such as heat or mechanical shock.

Magnetic domains are regions within a magnet where groups of atoms align their magnetic moments in the same direction, creating a net magnetic field. These domains contribute to the magnet's overall strength. However, certain external factors can disrupt or realign the magnetic domains, leading to a weaker magnet.

One such factor is heat. When a magnet is exposed to high temperatures, the thermal energy causes the atoms within the magnet to vibrate more vigorously. This increased motion can disrupt the alignment of the magnetic domains, causing them to become disordered. As a result, the overall magnetic field strength decreases, and the magnet becomes weaker.

Another factor is mechanical shock or physical impact. When a magnet experiences a strong force or impact, it can cause the magnetic domains to shift or realign. This disruption in the alignment of the domains can lead to a reduction in the overall magnetic field strength of the magnet.

In both cases, the disruption or realignment of the magnetic domains interferes with the magnet's ability to generate a strong magnetic field, resulting in a weaker magnet. Therefore, it is important to handle magnets carefully and avoid subjecting them to high temperatures or excessive mechanical stress to maintain their optimal magnetic strength.

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