A block of wood is floating with one half of its volume out of the water. Then it is pushed down so that it is completely underneath the water. Use your understanding of buoyant force and archimedes’ principle to determine what happens to the forces on the block of wood.

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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The purpose of the calibration curve in Part V of the electrochemical measurement procedure is to establish a relationship between the measured signal and the analyte concentration.

In electrochemical measurements, the calibration curve plays a crucial role in quantifying the concentration of the analyte of interest. It involves plotting a series of known analyte concentrations against their corresponding measured signals. By analyzing the resulting curve, one can determine the relationship between the signal response and the analyte concentration. This relationship is typically linear or follows a specific mathematical model. The calibration curve serves as a reference to convert the measured signals obtained from unknown samples into their corresponding analyte concentrations. It allows for accurate and reliable quantitative analysis by providing a means to interpolate or extrapolate the analyte concentration based on the measured signal.

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Answer: The high light yield of Nal(Tl) per amount of radiation absorbed contributes to improved energy resolution, making it a desirable property for certain applications in radiation detection and spectroscopy.

Explanation: The high light yield of Nal(Tl) per amount of radiation absorbed has a positive consequence for the detector's energy resolution. Energy resolution refers to the ability of a detector to distinguish between different energy levels of radiation. A higher light yield means that a larger number of photons are produced per unit of energy deposited in the detector material.

With a higher number of photons, there is more information available for the detector to accurately measure the energy of the incident radiation. This increased signal improves the statistical precision of the energy measurement and enhances the energy resolution of the detector.

In practical terms, a higher light yield enables the detector to better discriminate between different energy levels of radiation, allowing for more precise identification and measurement of specific radiation sources or energy peaks in a spectrum.

Therefore, the high light yield of Nal(Tl) per amount of radiation absorbed contributes to improved energy resolution, making it a desirable property for certain applications in radiation detection and spectroscopy.

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The two violet lines of hydrogen gas with wavelengths 434 nm and 410 nm in the third-order spectrum of a diffraction grating with 145 slits per centimetre would be expected at angles of approximately 1.09 radians and 1.22 radians, respectively.

Diffraction gratings are used to disperse light into its constituent wavelengths and measure their spectra. The number of slits per centimetre on the grating determines the angular spacing between the diffracted wavelengths. In this case, a diffraction grating with 145 slits per centimetre is used to measure the spectrum of hydrogen gas, which emits violet lines at wavelengths 434 nm and 410 nm. The third-order spectrum corresponds to diffracted wavelengths that are three times the spacing between the slits. Using the equation for diffraction grating, the angles at which these violet lines are expected to appear in the third-order spectrum can be calculated as approximately 1.09 radians for the 434 nm line and 1.22 radians for the 410 nm line.

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The bodies that uses information obtained by the Cascade Volcano Observatory are;

A place used for viewing terrestrial, marine, or celestial events is called an observatory. Observatories have been built for a variety of scientific fields, including astronomy, climatology/meteorology, geophysics, oceanography, and volcanology.

A US volcanic observatory that keeps track of the volcanoes in the northern Cascade Range is called the David A. Johnston Cascades volcanic Observatory.

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Answer:

38

Explanation:

76 divided by 2 =38

The size of the electric current is 155 Amperes.

Calculation:

I = Q / t

I = 93.0 C / 0.601 s

I = 155 C/s

I = 155 A

Electric current is the flow of charged particles such as electrons and ions, that travel through a conductor or space. It is measured as the net flux of charge to the surface or control volume. Electricity starts with atoms.

Atoms are made up of protons neutrons and electrons. Electricity is generated when electrons are moved from atom to atom by an external force. The flow of electrons is called current. Current refers to the flow of current in an electronic circuit and the amount of current that flows through the circuit.

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Answer:

15009

Explanation:

PE = mgh

PE = 61.2(9.81)(10 * 2.50)

PE = 15009.3

Answer:r other boundary that does not absorb the energy of the radiation and bounces the waves away from the surface. The simplest example of visible light reflection is the surface of a smooth pool of water, where incident light is reflected in an orderly manner to produce a clear image of the scenery surrounding the pool. Throw a rock into the pool (see Figure 1), and the water is perturbed to form waves, which disrupt the reflection by

Explanation:

Activity: Is it the same?!

Reflection of light (and other forms of electromagnetic radiation) occurs when the waves encounter a surface or other boundary that does not absorb the energy of the radiation and bounces the waves away from the surface. The simplest example of visible light reflection is the surface of a smooth pool of water, where incident light is reflected in an orderly manner to produce a clear image of the scenery surrounding the pool. Throw a rock into the pool (see Figure 1), and the water is perturbed to form waves, which disrupt the reflection by scattering the reflected light rays in all directions.

Some of the earliest accounts of light reflection originate from the ancient Greek mathematician Euclid, who conducted a series of experiments around 300 BC, and appears to have had a good understanding of how light is reflected. However, it wasn't until a millennium and a half later that the Arab scientist Alhazen proposed a law describing exactly what happens to a light ray when it strikes a smooth surface and then bounces off into space.

In this activity you will be working as an engineer that is working to modify different kinds of digital cameras and to study the effect of changing incident angle on the reflected angle.

Method

Explain the steps of your experiment and identify the scientific variables:

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

• Independent Variable

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

• Dependent Variable

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if anyone does ib myp 3. pleaseeee helppp im gonnnnaaa fail.

sciences by concept myp 3 formative assesment.

im giving 50 points please just help meeeeeeeeeeee

Answer:

4, 56

Explanation:

Hope this helped!

Answer:

4, 56

Ex................................................................................

The kinetic energy of the ice when it reaches the ground is 1176 J, and its speed is approximately 3.23 m/s.

To find the kinetic energy of the ice when it reaches the ground, use the equation:

Kinetic Energy (KE) = 1/2 × mass × velocity²

Given:

Mass (m) = 15.0 kg

Height (h) = 8.00 m

To calculate the potential energy of the ice at the starting position, use the equation:

Potential Energy (PE) = mass × gravity × height

where gravity (g) = approximately 9.8 m/s².

PE = 15.0 kg × 9.8 m/s² × 8.00 m

= 1176 J

Since there is no air resistance, all the potential energy is converted into kinetic energy when the ice reaches the ground. Therefore, the kinetic energy is equal to the potential energy:

KE = 1176 J

To find the speed of the ice when it reaches the ground, use the equation:

Potential Energy (PE) = Kinetic Energy (KE)

PE = 1/2 × mass × velocity²

1176 J = 1/2 × 15.0 kg × velocity²

Rearranging the equation to solve for velocity:

velocity² = (1176 J × 2) / (15.0 kg)

velocity² = 156.8 J / 15.0 kg

velocity² = 10.45 m²/s²

Taking the square root of both sides to solve for velocity:

velocity = √(10.45 m²/s²)

velocity ≈ 3.23 m/s

Therefore, the kinetic energy of the ice when it reaches the ground is 1176 J, and its speed is approximately 3.23 m/s.

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Answer:

rose

sunflower

seaweed

Answer:

20.4 cm; 2.4 cm  

Explanation:

The formula for the pressure p exerted by a column of a liquid with density ρ and height h is

p = ρgh

where h = the acceleration due to gravity

If you have two liquids balancing each other in a U-tube

     p₁ = p₂

ρ₁gh₁ = ρ₂gh₂

 ρ₁h₁ = ρ₂h₂

Data:

ρ₁ = 1010 kg/m³; h₁ = 18 cm

ρ₂ = 890 kg/m³; h₂ = ?          

1. Height of oil column

We measure from the horizontal red line.

\(\begin{array}{rcl}\rho_{1}h_{1} & = &\rho_{2}h_{2}\\\text{1010 kg/m}^{3} \times \text{18 cm} & = & \text{890 kg/m}^{3} \times h_{2}\\\text{18 180 cm} & = & 890h_{2}\\h_{2} & = & \dfrac{\text{18180 cm}}{890}\\\\ & = & \text{20.4 cm}\\\end{array}\\ \text{The height of the oil column is $\textbf{20.4 cm}$}\)

2. Height of oil above water

h₂ - h₁ = 20.4 cm – 18 cm = 2.4 cm

Answer: the water level would rise since the pebble displaces minimal water compared to the boat.

Explanation:..........

The ball will take 0.45 seconds to reach the ground

We will use Newton’s laws of motion, so

H= \((1/2)gt^2\) taking height= 1m

\(1= (1/2) x 9.8 x t^2\)

\(t=\sqrt{10/49} = 0.45 seconds\)

The 3 laws of motion given by Newton are as follows:

1) Unless an unbalanced force acts upon it, an item at rest remains at rest, and an object in motion continues to move in a straight line at a constant pace.

2) An object's acceleration is influenced by its mass and the force being applied.

3) Whenever one thing applies force to another, the second object applies the opposing, equal force to the first.

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Answer:Three elements make up over 99.9 percent of the composition of dry air: these are nitrogen, oxygen, and argon.

Explanation:

Answer: Air is an gaseous substance

Explanation:

Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances. Salt, sugar, and many other substances dissolve in water to form homogeneous mixtures.

Answer: The sun

Explanation: Trust me bro?

the answer is (a. 21

Answer:the answer it’s A) I just took the test on USATestPrep

Explanation:

It will need a force acceleration

Answer:

1. 240 J

Explanation:

1. 300*80%= 240J

The given amplifier circuit is a common-source amplifier. The equivalent circuit diagram of the amplifier includes a MOSFET N5486 transistor. We can determine the drain current (ID) and drain-source voltage (VDS) using the following equations:

1. Voltage at the source terminal (VS) is calculated using Ohm's law: VS = IS x RS.2. The drain current (ID) can be calculated using the equation ID = IS (1 + GVin), where Vin is the input voltage, G is the voltage gain, and IS is the current flowing through RD.Let's calculate the values of ID and VDS:

Given:- IS = VDD / RD = 10V / 10Ω = 1A- Vin = -1V / (1.5 x 10^6Ω + 0.47μF) = -0.6666667μA (using voltage divider rule)- G = -RD / RS = -10Ω / 3kΩ = -0.003333 Calculating ID:ID = 1A (1 - 0.003333 x 0.6666667 x 10^6)≈ 0.997A = 997mACalculating VDS:VDS = VDD - IDRD= 10V - 997mA x 10Ω≈ 10V - 9.97V≈ 0.03VTherefore, the values of ID and VDS are approximately ID = 997mA and VDS ≈ 0.03V, respectively.

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We need more 50 g of KNO3

Solubility is the ability of a substance to dissolve in a solvent (usually a liquid) to form a homogeneous solution. It is a property of a substance and can be defined as the maximum amount of a substance that can dissolve in a given amount of solvent at a specified temperature and pressure.

The solubility of the KNO3 at this temperature is 80 g/100 g water. If we have already 3og of the solute then we need an extra 50 g to make a saturated solution.

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Answer:

Radioactive Decay

Explanation:

The book has potential energy and the bike has kinetic.

kinetic energy is energy possessed when a object is in motion. The bike is moving. Therefore, it has kinetic energy. The book isn't moving. Hopefully that helped

a)

Since we have a constant angular acceleration we have that:

Plugging the values we know we have that:

Therefore it will take 0.516 (rounded to three decimals) seconds to achive this angular velocity.

b)

To find how many revolutions he needs we first calculate the change in angular position using the formula:

Now we divide this change in angular position by 2pi (the angle equivalent to a revolution) to get the revolutions:

Therefore it takes 0.094 (round to three decimals) revolutions to get to this angular velocity.

c)

The torque is the force by the radius, then we have:

But the torque is also equal to the moment of inertia multiplied by the angular acceleration:

Then we have:

Now we use the formula for angular acceleration to get the time:

Therefore it takes 0.573 seconds to stop the merry go round.