What function does the prism or diffraction grating perform in a spectrophotometer?

The difference in work done is 66 J.

To find the work done, we can use the formula:

center>work = force x distance x cos(theta)

where force is the applied force, distance is the displacement of the object, and theta is the angle between the force and the direction of motion. Since the force is applied horizontally, theta is 0 degrees and cos(0) = 1.

Plugging in the values:

center work = 80 N x 10 m x 1

Simplifying:

center work = 800 J

the work done is 800 J.

Therefore, the difference in work done is 800 J - 734 J = 66 J.

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The airplanes have the same effective cross sectional area and drag coefficient. Then, the ratio of drag force at the two densities is 2.3.

Drag Force:

Drag is a type of air resistance that resists the motion of an object moving through the air. Strength is an important consideration in engineering design. Understanding drag and how to reduce it can help people design stronger structures and bridges to better resist wind, more efficient cars and planes, and more efficient harvesting of wind and hydroelectric power. As cars, planes and ships move, drag slows them down. Therefore, engineers improved the aerodynamics of these vehicles to reduce drag and increase vehicle efficiency.

It is related to the density ρ, to the drag coefficient C, to the speed v, to the surface A as follows:

D = 1/2 ρCAv².

According to the Question:

Here, C and A are the same then the ratio of the drag forces D1 and D2 at the two densities is:

D1/D2 = ρ1 v1²/ρ2 v2²

ρ1  = 0.38 kg/m³

ρ2 = 0.67 kg/m³

v1 = 1000 km/h

v2 = 500 km/h

Then, the ratios of drag force is ;

D1/D2 =  0.38 kg/m³ × 1000 km/h / (0.67 kg/m³ × 500 km/h)

          = 2.3

Therefore, the ratio of drag force at the two densities is 2.3.

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Answer:    Review your data. ...

   Calculate an average for the different trials of your experiment, if appropriate.

   Make sure to clearly label all tables and graphs. ...

   Place your independent variable on the x-axis of your graph and the dependent variable on the y-axis.

Hope this helps!!

The acceleration is in the same direction and has a magnitude of 3.4 m/s2.

Acceleration is the rate of change of an object's velocity over time. It is a vector quantity, measured in meters per second squared (m/s2), and is denoted by the symbol a.

The acceleration of the body can be calculated using the equation of motion,
F = ma
where F is the net force and m is the mass of the body.
In this case, the net force is the vector sum of the two forces, Fnet = F1 + F2 = 12N + 5N = 17N.
Therefore, the acceleration of the body is given by a = Fnet/m = 17N/5kg = 3.4m/s2.
Since the body moves in the direction QA, the acceleration is in the same direction and has a magnitude of 3.4 m/s2.

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Answer:

130.24m

Explanation:

According to the question ,

Using the third equation of motion namely ,

\(\twoheadrightarrow\) 2as = v² - u²

\(\twoheadrightarrow\) 2(2.4m/s²) * s = (25m/s)² - 0²

\(\twoheadrightarrow\) s = 625m²s-²/2*2.4 m/s² .

\(\twoheadrightarrow\) s = 130.24 m

The heating curve could be describing processes such as boiling and endothermic reactions.A heating curve is a graphical representation that shows the changes in temperature as a substance is heated.

It typically consists of two distinct segments: heating and phase change. Boiling is a process where a substance changes from its liquid phase to its gaseous phase. During the heating phase, the temperature of the substance gradually increases until it reaches its boiling point. At this point, the substance undergoes a phase change, and the temperature remains constant until all the liquid has vaporized. Therefore, the heating curve could be describing the process of boiling.

Endothermic reactions are chemical reactions that absorb heat from their surroundings, resulting in a decrease in temperature. If the heating curve represents the temperature changes during an endothermic reaction, we would observe a decrease or plateau in temperature during the reaction, followed by a subsequent increase. Thus, the heating curve could also be describing an endothermic reaction.

Condensation, on the other hand, is the process by which a substance changes from its gaseous phase to its liquid phase. It typically occurs when a gas is cooled down, and the temperature decreases. However, the heating curve represents temperature changes during the heating process, not cooling. Therefore, condensation is not applicable to the heating curve.

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The percent composition by mass of nitrogen in NH\(_{4}\)Oh (gram-formula mass = 35 grams/mole) is equal to 40% N.

Meaning of Nitrogen: Nitrogen (N), a nonmetallic element belonging to Periodic Table Group 15. It is a colorless, flavorless, and odorless gas that makes up the majority of the atmosphere on Earth and is a component of all living things.

You must divide the element's atomic mass (AM), which is 14 for nitrogen, by the total compound's molar mass (MM), then multiply the result by 100 to determine the percent composition of an atom by mass. The following is the formula for calculating percent composition.

\(=\frac{14}{35} *100\)

\(=\frac{1400}{35}\)

\(= 40\)

Therefore the percent composition by mass of nitrogen in NH₄OH is

40% N

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Yes. The frequency distribution appear to have a normal​ distribution.

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Minerals are any chemical substance which forms naturally in the Earth

Define mineral.

Minerals are those substances found in foods and in the earth that our systems require for healthy growth and development. Calcium, phosphate, potassium, sodium, chloride, magnesium, iron, zinc, iodine, chromium, copper, fluoride, molybdenum, manganese, and selenium are among the nutrients that are crucial for good health.

Compounds found only in living creatures are typically not considered minerals according to geological definitions. However, some minerals, like calcite, are frequently biogenic or, in terms of chemistry, are organic molecules (such as mellite). Additionally, living things frequently produce inorganic crystals (like hydroxylapatite), which are also found in rocks.

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The total energy that can be stored in the spring bumpers is 43.8 J, or KE = 43.8.

The battery's power capacity is the amount of energy it can hold. Its power is commonly stated in Watt-hours (the symbol Wh) (the symbol Wh). A Watt-hour is equal to the voltage (V) and current (Amps) that a battery can produce for a specific period of time (generally in hours). Voltage * Amps * hours = Wh.

Block A's momentum before to the impact can be calculated using the formula p1 = m1v1 = (3.50 kg)(9.00 m/s) = 31.5 kgm/s.

Block B's initial momentum is p2 = m2v2 = 0, indicating that it is at rest.

Prior to the collision, the system's total momentum was equal to 31.5 kgm/p1 + p2.

\(p1 + p2 = (m1 + m2)v\)

\(31.5 kgm/s = (3.50 kg + 10.00 kg) * v\)

\(31.5 kgm/s = 13.50 kg * v\)

\(v = 31.5 kg*m/s / 13.50 kg = 2.33 m/s\)

The kinetic energy of block A before the collision is given by KE1 = (\(1/2)m1v1^2 = (1/2)(3.50 kg)(9.00 m/s)^2 = 141.8\) J

The kinetic energy of block B before the collision is KE2 = \((1/2)m2v2^2 = 0\)

The total kinetic energy before the collision is KE1 + KE2 = 141.8 J

\(ΔKE = KEf - KEi = (1/2)(m1 + m2)v^2 - KE1 - KE2\)

\(ΔKE = (1/2)(3.50 kg + 10.00 kg)(2.33 m/s)^2 - 141.8 J - 0\)

ΔKE = 43.8 J\(31.5 kgm/s = 13.50 kg * v\)

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The term "metric system" refers to a set of formulas used to determine an object's mass, length, and volume.

The inch, foot, yard, and mile are the foundational units for measuring length or distance in the English system. Rod, furlong, and chain are some other units of length. foot of the survey The English metric system normally measures areas in square feet or square yards.

Four distinct measuring scale types are seen (nominal, ordinal, interval and ratio). The information about the variables being assessed that is provided by each of the four scales is often more than that of the scales that come before it.

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The Howitzer cart's motion is a combination of linear and rotational. It can move in a straight line or follow a specific path, while also having the ability to rotate around its vertical axis for maneuvering and aiming purposes.

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Answer:

ammeter

Explanation:

hope this helps

Answer:

13.33 gm/cm^3

Explanation:

Displacement of liquid =

 34 gm /  2.3 gm/cm^3 = 14.783  cm^3

so the VOLUME of the object is 14.783 cm^3

  density  =  197 gm / 14.783 cm^3 = 13.33  gm/cm^3

The capacitance of this parallel-plate capacitor is 2.37 x 10⁻⁸ Farads.

The capacitance of a parallel-plate capacitor is given by the equation C = εA/d, where C is the capacitance, ε is the permittivity of the material between the plates, A is the area of the plates, and d is the distance between them.

In this case, the area of the plates is 0.80 m² and the distance between them is 3.0 mm, or 0.003 m.

The permittivity of air is approximately 8.85 x 10⁻¹² F/m, which we can use in our equation.

Substituting the values, we get C = (8.85 x 10⁻¹² F/m)(0.80 m²)/(0.003 m) = 2.37 x 10⁻⁸ F.

Therefore, the capacitance of this parallel-plate capacitor is 2.37 x 10⁻⁸ Farads.

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Answer:

the answer is C

Explanation:

this is because pressure is defined as the force acting per unit area thus,

the lower the area the higher the pressure

this can be explained by This,

will you experience pain if touch the tip of the needle or your pen

the area in the needle is less thus, more pressure

hope this helps,

Answer:

500m

Explanation:

because 250+250 goood

Answer:

A. There is hydrogen bonding between water molecules

Explanation:

Boiling point is a physical property of matter. It is typically conditioned by the intermolecular forces present between the molecules of a compound.

Answer:

A)

Explanation:

There is hydrogen bonding between water molecules

Explanation:

3: the electricity is generated in the permanent magnet

Answer: V' = 1.514m/s

Explanation: Given the Impulse-Momentum Theorum, this is a description of an INELASTIC Collision. When you hug, you stick, making it inelastic.


Formula: m1xV1+m2xV2= pTotal, or total momentum

m1=60kg

V1=1.5m/s

m2=45kg

V2=2.2m/s

so (60)(1.5)+(45)(2.2)=159 kgm/s

To find the Resultant velocity of the lover(s) - plural (signalling inelastic)

you would take the sum of the m1+m2, which is 105kg-> then create the equation 159/105, which is the total momentum divided by the total mass, which would equate to the resultant velocity of an inelastic collision.

Hope this helped.

An example of how music involves some aspects of subjectivity or individual perception, which can’t be adequately described or explained by physics is the experience of listening to music

Music is a form of art that is highly subjective, and different people have different opinions on what is good music. Therefore, it is difficult to explain the individual perception of music in terms of physics, this is because physics deals with quantifiable, objective measurements and formulas that are used to describe the physical world. A good example of how music involves aspects of subjectivity or individual perception is the experience of listening to music. Every person perceives music differently, and what one person considers to be a beautiful melody may not resonate with another person, this is because music is more than just the sounds that are produced; it involves emotions, memories, and personal experiences that are unique to each individual.

Because music is subjective, it is challenging to describe or explain it adequately in terms of physics. While physics can explain how sound waves are produced, how they travel, and how they are perceived by the human ear, it cannot account for the emotional response that music evokes in people. Therefore, it is essential to recognize that music is a complex art form that cannot be fully understood or explained by science or physics.

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Answer:

It will remain the same.

Explanation:

Because the force is horizontal, there is no y-component to add to the gravitational force to affect the normal force, since the normal force will be directed straight up because it is on a horizontal surface.

If the applied force is doubled, the normal force on the box will (b) Remain the same. Option b is correct.

The normal force on an object is the force exerted by a surface to support the weight of the object in a direction perpendicular to the surface. In the given scenario, the box is placed on a horizontal frictionless surface, so the normal force is equal to the weight of the box, which is given by the equation:

Normal force = Weight = mass × gravitational acceleration

= 10.0 kg × 9.81 m/s²

= 98.1 N.

When a horizontal force is applied to the box, it doesn't affect the normal force because the box is not moving vertically (up or down) and there is no vertical acceleration. Therefore, the normal force remains constant at 98.1 N.

When the applied force is doubled to 20.0 N, it only affects the box's acceleration and the net force acting on it (since there is no friction). The normal force does not change because there is no change in the vertical direction of the box's motion. The box's weight remains the same, and the surface continues to exert the same upward force to support the box's weight.

In summary, the normal force on the box will remain the same (option b) regardless of the change in the applied horizontal force because it is determined by the weight of the box and the absence of vertical acceleration or friction.

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So the strength of the electric field 2.0 cm from the surface of the sphere is 1.15 x 10^7 N/C.

To answer this question, we need to use Coulomb's law, which states that the electric field at a point due to a point charge is proportional to the charge and inversely proportional to the square of the distance from the point charge.

In this case, we have a charged sphere, but we can still treat it as a point charge as long as we are far enough away from the surface of the sphere. Since we are 2.0 cm from the surface of the sphere and the sphere has a radius of 5.0 cm, we can assume that we are far enough away for this approximation to be valid.

The first step is to calculate the total charge Q of the sphere. We know that the sphere is uniformly charged to 32 nc, which means that the charge per unit volume (the charge density) is constant throughout the sphere. We can use the formula for the volume of a sphere to find the total charge:

V = (4/3)πr^3

where r is the radius of the sphere. Plugging in r = 5.0 cm, we get:

V = (4/3)π(5.0 cm)^3 = 523.6 cm^3

Since the charge density is uniform, we can find the total charge Q by multiplying the charge density by the volume:

ρ = Q/V

Q = ρV = (32 nc/cm^3)(523.6 cm^3) = 16,592 nc

Now we can use Coulomb's law to find the electric field strength E at a distance of 2.0 cm from the surface of the sphere. The formula for Coulomb's law is:

E = kQ/r^2

where k is Coulomb's constant, Q is the charge of the sphere, and r is the distance from the center of the sphere. Plugging in the values we know, we get:

E = (9.0 x 10^9 N*m^2/C^2)(16,592 nc)/(7.0 cm)^2

E = 1.15 x 10^7 N/C

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Answer:it's 92 my friend

Explanation:

have a great day

Answer:

92

Explanation:

0.4 · 230 = 92

Explanation:

the vehicles displacement, since displacement deals with position

To know the location of a vehicle that ran out of gas after taking a zigzag route through the city, the quantity that would be  most useful is the vehicle's displacement.

In physics, the term quantity refers to something that can be measured.

Displacement is a vector quantity. Displacement simply means distance covered in a specified direction.

Notice that we want to find out the location of the vehicle after it ran out of gas. In this case, we don't only need to know the distance covered by the vehicle but also the direction in which the distance was covered in order to enable us to track the vehicle.

Hence, we need to find out the vehicle's displacement.

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Answer:

D. both physical and mental health

Explanation:

because if you cant mentally function then you wont have the desire to be physical and if your not physical then your not mentally well and you get all depressed.

         The technology that sends information as light pulses via a glass or plastic fiber is known as fiber optics, or optical fiber. These glass fibers can range in quantity from a few to several hundred in a fiber optic cable. The glass fiber core is encircled by yet another glass layer known as cladding.

         In fiber optics, data is sent as pulses of light, or photons, that travel over a fiber optic cable. Incoming light is bent at a specific angle due to the differing refractive indices of the glass fiber core and cladding.

       Total internal reflection is the method by which light signals traveling through fiber optic cable bounce off the core and cladding in a series of zigzag motions. Due to the thick glass layers, the light signals move around 30% slower than the speed of light instead of at the speed of light.

     Fiber optic transmission sometimes needs repeaters at a distance to renew, or amplify, the signal throughout its path. By converting the optical signal to an electrical signal, processing that electrical signal, and then retransmitting the optical signal, these repeaters regenerate the optical signal.

      Up to 10 Gbps transmissions can currently be supported by fiber optic connections. A fiber optic cable often gets more expensive as its bandwidth capacity increases.

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Answer:

Eat vegetables and make the stairs

Explanation:

because when the stairs are less deep you use less forced to go up them.

Answer: mass

Explanation:

i remember my teacher saying it lol

A rifle recoils from firing a bullet. The speed of the rifle’s recoil is small compared to the speed of the bullet because the rifle has a great deal more mass than the bullet.

Mass is a numerical measure of inertia, which is a basic feature of all matter. It is, in effect, a body of matter's resistance to a change in speed or position caused by the application of a force.

In the International System of Units (SI), the kilogram is the unit of mass.

A rifle recoils from firing a bullet. The speed of the rifle’s recoil is small compared to the speed of the bullet because the rifle has a great deal more mass than the bullet.

Hence d is the correct option.

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