For a science project, you would like to horizontally suspend an 8.5 by 11 inch sheet of black paper in a vertical beam of light whose dimensions exactly match the paper.
A) If the mass of the sheet is 1.0 g, what light intensity will you need?

The hydrostatic transmission's overall efficiency in percent can be calculated using the given information as follows:

Given that:

Formula for calculating overall efficiency of HST is given as:

Substituting the given values in the above formula, we get:

Overall efficiency of HST = 0.91 × 0.93 × 0.95 × 0.91 = 0.7460585 = 74.61%

Therefore, the overall efficiency of the hydrostatic transmission is 74.61% (rounded to two decimal places).

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Answer:

The acceleration time graph is the graph that is used to determine the change in velocity in the given interval of the time. ... The acceleration time graph is used to find the change in the velocity of the moving object for the given period of time and this can be determined by finding the area under the curve

Explanation:

Answer:

axon

Explanation:

Answer:     I

dk what rhe answer is but here is my prediction :)

Explanation:

If the rope is horizontal and the ball's speed is 10 m/s, what is the tension in the ... A 2 kg iron ball is swung in a horizontal circular path at the end of a 1.6 m length of rope. ... Freddie swings a 2 kg stone at the end of a thin rope of length 1.2 m. ... of an automobile tire that turns with a frequency of 11 Hz and has a linear speed ...

According to the given statement is the speed of the bicycle must be 84 m/s.

A quality of a moving body that it possesses due to its mass and motion and which, in general, determines the amount of time needed to bring the body to rest when subjected to a constant force is equal to the product of the mass and velocity of the moving body.

The momentum of the car is equal to:

p = mv

p =(1800kg) (4.2m/s)

p = 7560 kgm/s

Using the same momentum formula and the value of momentum we previously discovered, we discover

v = p/M

v = 7560 kgm/s / 90 kg

v = 84 m/s

The speed of the bicycle must be 84 m/s.

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Relation between Distance and acceleration

\(\\ \tt\longmapsto a=dv/dt\)

\(\\ \tt\longmapsto a=ds/dt^2\)

So

\(\\ \tt\longmapsto a\propto s\)

And

According to Newton's law

\(\\ \tt\longmapsto F=ma\)

\(\\ \tt\longmapsto F\propto m,a\)

Answer:

elastic

Explanation:

if you stretch it it will go back to its shape, and also it is the only one that makes sense.

Answer:

Elastic

Explanation:

I got it right

False. A pneumoencephalography (peg) cannot be considered a more sophisticated version of positron emission tomography (pet)

Define pneumoencephalography

Pneumoencephalography is a diagnostic radiology procedure that creates head X-ray images after injecting air or gas between the membranes lining the brain and spinal cord to highlight the contours of distinct brain structures.

Positron emission tomography (PET) is a method for assessing physiological function by examining neurotransmitters, blood flow, metabolism, and radiolabeled medicines.

A PET scan can be used to detect cancerous tumor cells and to identify diseases like epilepsy. A vein is injected with a little quantity of radioactive glucose (a sugar). Wherever glucose is being used in the brain is visualized by the PET scanner as it rotates around the body.

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Answer:

B

Explanation:

Answer:

c. the acceleration is constant and positive

Explanation:

Answer: you have it correct

Explanation:

Answer:yall dumd dang thought yall know better

Explanation:

hehe

Answer: (a) The velocity of the ball at its highest point is 10.12 m/s

              (b) The height that the ball goes is 1.13 m.

Mass of ball, m = 0.48 kg

Initial velocity, u = 8.8 m/s

Initial angle, θ = 36°

Using the principle of conservation of energy, the final velocity at the highest point can be found. The potential energy of the ball is converted into kinetic energy at its highest point, where the ball will stop momentarily. Then, we know that the total energy at the top will be equal to the potential energy at the beginning. That is, Initial Potential Energy + Initial Kinetic Energy = Final Potential Energy∴

mgh + 1/2mu² = mgh(max) where h(max) is the maximum height the ball attains. At this point, the kinetic energy will be zero. Therefore,0.5mv² + mgh = mgh(max). Since the kinetic energy of the ball at the top is zero, the total energy at the top of the projectile’s trajectory is the potential energy at the start of the trajectory, which is mgh.∴ v = √(2gh).

This is the velocity at the maximum height.

(a) Speed at its highest point:

Initial velocity of ball, u = 8.8 m/s

Angle made with horizontal, θ = 36°

The vertical component of velocity, v_y = usinθv_y = 8.8 sin 36°v_y = 5.0 m/s

Now using the formula, v = √(u² + v_y²)v = √(8.8² + 5.0²)v = √(77.44 + 25)v = √102.44v = 10.12 m/s

Therefore, the velocity of the ball at its highest point is 10.12 m/s

(b) How high does it go: lets calculate the potential energy at the initial position. Potential energy, Ep = mgh

Ep = 0.48 * 9.8 * 0Ep = 0 J. The total energy at the top will be equal to the potential energy at the beginning. That is, Initial Potential Energy + Initial Kinetic Energy = Final Potential Energy∴ mgh + 1/2mu² = mgh(max). Substituting the values,0.48*9.8*h(max) + 0.5*0.48*8.8² = 0.48*9.8*0hmax = (0.5*0.48*8.8²)/(0.48*9.8)h(max) = 1.13 m.

Therefore, the height that the ball goes is 1.13 m.

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The second-order minimum thickness of the film required is 1.41 μm.

The minimum thickness required for a thin film to reflect a given color is half the wavelength of the light in the film material. For a second-order minimum thickness, the formula is given by;

t2=2nλwhere t2 represents the second-order minimum thickness of the film, n is the refractive index of the film material, and λ is the wavelength of the light in air.

If the wavelength of the light in air is 470 nm, then the second-order minimum thickness of the film required is given by;t2=2nλ= 2 × 1.5 × 470 nm = 1410 nm = 1.41 μm.

The second-order minimum thickness of the film required is 1.41 μm.

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This is due to the fact that occluded fronts combine two cold air masses, which causes one of the cold air masses to go downward.

When a warm air mass is sandwiched between two cold air masses, an occluded front occurs. In an occlusion, the warm front passes over the cold front, which dives beneath it.

In a front is obscured, the warm front is fully supplanted by the cold front, in which the warm air masses have completely disappeared. Furthermore, there are frequent shifts in the various weather producing circumstances because of the cold front's relatively low temperature.

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The region of the ultraviolet spectrum absorbed least by the atmosphere is UVC.

UVC radiation, with wavelengths between 100 and 280 nanometers, is mostly absorbed by the Earth's atmosphere, specifically by the ozone layer. This absorption prevents UVC radiation from reaching the Earth's surface in significant amounts. On the other hand, UVA and UVB radiation are partially absorbed by the atmosphere, but they still reach the Earth's surface to varying degrees. UVA has longer wavelengths (315-400 nm) and is less absorbed than UVB, which has shorter wavelengths (280-315 nm). However, it's important to note that excessive exposure to both UVA and UVB radiation can have harmful effects on human health, such as skin damage and an increased risk of skin cancer. Therefore, it's crucial to protect oneself from UV radiation by using sunscreen, wearing protective clothing, and seeking shade when necessary.

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The initial oil-in-place (N) of a volumetric oil reservoir is a critical parameter used to estimate the total amount of oil that can be recovered from the reservoir. It represents the total volume of oil contained within the reservoir at the beginning of its production life.

The initial gas-in-place (G) of a volumetric gas reservoir is a critical parameter used to estimate the total amount of gas that can be recovered from the reservoir. It represents the total volume of gas contained within the reservoir at the beginning of its production life.To calculate the initial oil-in-place and gas-in-place, we need to use certain parameters such as the area of the reservoir, the thickness of the reservoir, the porosity of the reservoir, the initial oil or water saturation, and the formation volume factor. The formulas used to calculate the initial oil-in-place and gas-in-place are different, and the parameters used in each formula are specific to either an oil or gas reservoir.

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The acceleration of this car include the following: A. 2 m/s².

In Science, the acceleration of a car can be calculated by using this mathematical expression:

a = (V - U)/t

Where:  

By substituting the given parameters into the acceleration formula, we have;

Acceleration, a = (40 - 10)/15

Acceleration, a = 30/15

Acceleration, a = 2 m/s².

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"the mass of the neutron is approximately equal to the mass of the proton plus electron" is FALSE.

Mass is the amount of matter in a substance or an object. The mass of a neutron is around the same as the mass of a proton. The mass of an electron is only 1/1836 of the mass of a proton or neutron.

The mass of a proton is 1.007276 atomic mass units (amu), while the mass of a neutron is 1.008665 amu. Therefore,  the mass of the neutron is not equal to the mass of the proton plus electron.

Mass is the amount of matter in a substance or an object. The mass of a neutron is around the same as the mass of a proton. The mass of an electron is only 1/1836 of the mass of a proton or neutron.

The mass of a proton is 1.007276 atomic mass units (amu), while the mass of a neutron is 1.008665 amu. Therefore,  the mass of the neutron is not equal to the mass of the proton plus electron.

Hence, the statement is false.

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Answer:

fluorine

Explanation:

Answer:

12 volts

Explanation:

4 + 4 + 4 = 12 volts all volts on parallel circuit are the same

The speed of the flow at the Squish should rise as the cross-sectional area shrinks (becomes Smaller).

The continuity equation states that A1 = area at point 1, V1 = speed at point 1, and A2 = area at point 2, V2 = speed at point 2.

According to  the equation of continuity

A1 V1 = A2 V2

Where volume of the fluid flowring

At every point along the hose pipe, a pipe remains constant. Therefore, where area is less, velocity will be greater, and vice versa; as a result, when the area of the hose decreases, velocity (speed) increases.

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Answer:

82

Explanation:

According to law of reflection, the angle of incidence = angle of reflection

Answer:

The angle of incidence will be equal to the reflection.

Explanation:

The law of reflection states that when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection.

So 82 would be the answer.

The maximum frequency affected by the blackout is approximately 7.943 MHz, and the location of the blackout is Laurel, Maryland, which is located at approximately 39.09°N, 76.85°W.

HF radio blackouts are a phenomenon that impacts High Frequency (HF) radio waves by causing them to become inaudible or distorted. The severity of an HF radio blackout is determined by a number of factors, including the frequency of the radio waves, the time of day, and the solar zenith angle.

Let us calculate the maximum frequency affected by the blackout: According to the model, the frequency of the radio wave is inversely proportional to the power of 1.24. So we can write:f∝(P)-1.24, Where f is the frequency of the radio wave, and P is the power of the blackout. So if a blackout occurs at 15 MHz, then we can find the power of the blackout:P=15^(1.24)P=26.98

So the power of the blackout is approximately 26.98.Next, we need to calculate the maximum frequency affected by the blackout. We can do this by using the formula: f∝(P)-1.24, where f is the frequency of the radio wave, and P is the power of the blackout. So if the power of the blackout is 26.98, then we can find the frequency of the radio wave:f=26.98^(-1/1.24)f=7.943MHz

So the maximum frequency affected by the blackout is approximately 7.943 MHz. Now let us find the location of the blackout: According to the question, the blackout occurred at 10 AM Eastern Daylight Time over Laurel, Maryland on September 10th. So the location of the blackout is Laurel, Maryland, which is located at approximately 39.09°N, 76.85°W.

Therefore, the maximum frequency affected by the blackout is approximately 7.943 MHz, and the location of the blackout is Laurel, Maryland, which is located at approximately 39.09°N, 76.85°W.

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WACC (Weighted Average Cost of Capital) is a calculation used to assess a company's cost of capital. It is computed by multiplying each source of capital (equity, debt, and preferred stock) by its relevant weight and then summing these up.

In this question, Ace Batteries is utilizing the CAPM (Capital Asset Pricing Model) to determine the cost of equity capital.Ace Batteries' WACC can be reduced if the company's beta decreases. The beta of a company is a measure of its market risk or volatility, and it is a component of the CAPM formula

As a result, a lower beta lowers the cost of equity capital, lowering the company's WACC. Consequently, option c: A decrease in the company's beta, will REDUCE Ace Batteries' WACC (weighted average cost of capital).

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A collection of a fixed number of elements (called components) arranged in n dimensions ( n >= 1) is called a(n) n- dimensional array

an array of dimensions gives Information about the material composition for each point in the heterogeneous part is stored in N.

Similar to a one-dimensional array, a two-dimensional array is represented graphically as a grid (or table) with rows and columns.

A big gathering of objects or people is referred to as a "array," especially one that is eye-catching, inspires admiration, or has been arranged in a particular way: The spread of food on the table was magnificent. They were seated in front of numerous microphones and cameras. Related words and phrases are part of the SMART Vocabulary. Things in groups and collections

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Answer:

Air moves from the areas of higher temperature to areas of lower temperature.

Explanation:

this is because hotter temperatures seek out colder temps.

hope this helped!

When a teacher opens a window on a cold day. the room starts to feel cooler because air moves from the areas of higher temperature to areas of lower temperature.

The transfer of heat between two bodies by currents of moving gas or fluid is known as convective heat transfer. In free convection, air or water rises and is replaced by a cooler parcel of air or water as it moves away from the hot body.

As air moves from the areas of higher temperature to areas of lower temperature, when the teacher opens a window on a cold day, the air in the room moves out side and cold air takes the position inside the room. So, it feels cooler then.

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The most comfortable color to wear on a hot day would be white. A blue shirt looks blue due to the absorption of white light.

We mostly notice colors in reflected light. The room's variously colored objects reflect some of the white light while absorbing the rest. A blue shirt shows that white light contains blue light because blue wavelengths are reflected by blue and are absorbed by the remainder.

White Light. However, fluorescent light has different wavelengths than sunshine. We feel as though our clothing and makeup are a little out of color when these wavelengths are reflected in our eyes.

According to conventional wisdom, white is the best color to wear in hot weather since it keeps the body cool, as opposed to black, which has a tendency to absorb heat.

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Answer:

The answer is C. 129.83 grams

Answer:

150

Explanation:

30 times 5 = 150 i think

The time it takes the spaceship to complete one full period of orbit is 4270.1 s

Since a spaceship of 3.20 × 10⁷ kg travels around another planet, of

6.34 x 10²⁵ kg and the distance between them is 12,500 km, we require the time for one full orbit which is its period.

The period of orbit is the time it takes to complete one full cycle of orbit

To calculate the period, we use the equation for the speed of an orbiting object.

v = √(GM/R) where

Also, since the orbit is a circular orbit, its speed, v = 2πR/T where

So, v = √(GM/R)

2πR/T = √(GM/R)

Making the period, T subject of the formula, we have

T = 2π√(R³/GM)

Substituting the values of the variables into the equation, we have

T = 2π√(R³/GM)

T = 2π√((1.25 × 10⁷ m)³/{6.67 × 10⁻¹¹ Nm²/kg² × 6.34 × 10²⁵ kg})

T = 2π√((1.953125 × 10²¹ m³/42.2878 × 10¹⁴ Nm²/kg)

T = 2π√((0.04619 × 10⁷ mkg/N)

T = 2π√((0.4619 × 10⁶ mkg/N)

T = 2π√((0.4619 × 10⁶ mkg/N)

T = 2π(0.6796 × 10³ s)

T = π(1.3592 × 10³ s)

T = 4.27009 × 10³ s

T = 4270.09 s

T ≅ 4270.1 s

So, it take the spaceship 4270.1 s to complete one full orbit

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