Replacing the NAD83 Datum The National Geodetic Survey is currently preparing a new national datum for the United States to better improve spatial reference and coordinate measurements. This new datum, which will be rolled out in 2022, will effectively replace NAD83 as the reference for geospatial data moving forward. The new datum will be based (in part) on the measurements taken from GNSS satellites. For further information about the change in datums and how it is going to impact working with geospatial technologies, point your Web browser to https://www.ngs.noaa.gov/datums/newdatums/index.s html . You'll see several clickable options for more information concerning the new datum's development, videos on the subject, and ways of tracking the progress of this new datum. Expansion Questions What types of changes will this new datum bring to how coordinates are measured at a national level and a state level? Why is this change to a new national datum being undertaken? What is the current status of this project?

Answer:

\(d_t=1339m\)

\(d_r=953.98\)

\(x=37.975 \textdegree\)

Explanation:

From the question we are told that

1st distance \(d_1=752 m\)

2nd distance \(d_2=587 m\)

Generally the total distance \(d_t\)covered by the man is mathematically given as

\(d_t =1st\ distance +2nd\ distance\)

\(d_t=752+587\\d_t=1339m\)

Generally the resultant distance traveled is mathematically given as

\(d_r^2=d_1^2+d_2^2\)

\(d_r=\sqrt{752^2+587^2}\)

\(d_r=953.98\)

Generally the angle  using sine rule traveled is mathematically given as

let angle =x

\(\frac{sin90}{d_r} =\frac{sinx}{587}\)

\(sinx=\frac{sin90*587}{953.98}\)

\(x=37.975 \textdegree\)

Answer:

1 m/s²

Explanation:

From the question,

Using

a = (v-u)/t.................... Equation 1

Where a = accelartion of the bicycle, v = Final velocity, u = initial velocity, t = time.

Given: v = 15 m/s, u = 5 m/s, t = 10 s

Substitute these values into equation 1

a = (15-5)/10

a = 10/10

a = 1 m/s²

Hence the acceleration of the bicycle is 1 m/s²

Answer:

1- How to Calculate Power?
ans; power is defined as " work done per unit time"
therefore calculated by P= Work/time.
2- What is the units of Power?
Ans; It is watt denoted by "W"
3- Write a solved example?
Ans; Lets say we move a block from One place to another by using 10joules in 4 seconds.
so put values
P=work/time
P=10/4
P=2.5

Explanation:

The following statement is true: The force on the charge you are holding from the charge on your left is 1,000,000 times as large as the force from the charge on your right.

According to Coulomb's law, the magnitude of the electrostatic force between two charges is directly proportional to the product of their charges and inversely proportional to the square of the distance between them. Since the charge on the left is much larger (+1000 C) compared to the charge on the right (+0.001 C), the force between the charge you are holding (-1 C) and the charge on the left is significantly greater.

The other statements are false:

The net force on the charge you are holding is not necessarily to your right. The direction of the net force depends on the relative magnitudes and positions of the charges involved.

The magnitude of the force on the charge you are holding would not be the same if it were +1 C instead of -1 C. The force depends on the magnitude of the charge, so changing its sign would affect the magnitude of the force.

The presence of the larger charge on the left does not eliminate the force from the +0.001 C charge on the charge you are holding. The forces from both charges contribute to the net force acting on the charge you are holding.

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Decreasing the battery voltage and increasing the resistance of the lights. This is shown by option marked D

The potential difference across the lights reduces when the battery voltage is decreased. As a result, there is less electrical energy available to power the lights. The lights may therefore fade or cease to operate at full brightness.

Depending on the particular properties of the lights, the reduced voltage may have an impact on their brightness or intensity.

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(a) The acceleration of the particle at time t = 5.1 is approximately 0.234.

(b) The values of t in the interval 0 ≤ t ≤ 2 for which the speed of the particle is 1 are approximately t = 0.559 and t = 1.890.

(a) The acceleration of a particle can be found by taking the derivative of its velocity function with respect to time. Given that v(t) = (t⁶ - 13t⁴ + 12) / (10t³ + 3), we can differentiate it to find a(t):

a(t) = d/dt [(t⁶ - 13t⁴ + 12) / (10t³ + 3)]

Using the quotient rule and simplifying the expression, we find:

a(t) = (3t²(7t⁶ - 56t⁴ + 12t + 36)) / (10t³ + 3)²

Substituting t = 5.1 into the expression, we get:

a(5.1) ≈ 0.234

Therefore, the acceleration of the particle at time t = 5.1 is approximately 0.234.

(b) The speed of a particle is given by the magnitude of its velocity, which is equal to |v(t)|. In this case, we want to find the values of t for which |v(t)| = 1.

To solve for these values, we set |v(t)| = 1 and solve the equation:

|(t⁶ - 13t⁴ + 12) / (10t³ + 3)| = 1

Simplifying the equation, we have two cases:

(t⁶ - 13t⁴ + 12) / (10t³ + 3) = 1

(t⁶ - 13t⁴ + 12) / (10t³ + 3) = -1

By solving these equations, we find the approximate values of t in the interval 0 ≤ t ≤ 2 for which the speed of the particle is 1:

t ≈ 0.559 and t ≈ 1.890

Therefore, these are the values of t in the interval 0 ≤ t ≤ 2 for which the speed of the particle is 1.

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Answer:

The resultant velocity is 86.1 mi/h.    

Explanation:

The law of cosines is given by:

\( c^{2} = a^{2} + b^{2} - 2abcos(\theta) \)

Where:

c: is the resultant velocity =?

a: is the velocity of the plane = 75.0 mi/h

b: is the velocity of the wind = 15.0 mi/h  

θ: is the angle between "a" and "b"                          

The angle between "a" and "b" can be found as follows:

\( \theta = 180.0 - 46.0 = 134.0 ^{\circ} \)

Now, by using the law of cosines we have:

\( c^{2} = (75.0)^{2} + (15.0)^{2} - 2*75.0*15.0*cos(134.0) = 7413.0 \)

\( c = 86.1 mi/h \)    

Therefore, the resultant velocity is 86.1 mi/h.    

The law of sines is:

\( \frac{a}{sin(\gamma)} = \frac{b}{sin(\alpha)} = \frac{c}{sin(\theta)} \)

Where:

γ: is the angle between "b" and "c"

α: is the angle between "a" and "c"

So, if we want to find "c" by using the law of sines, we need to know another angle besides θ (γ or α), and the statement does not give us.

I hope it helps you!        

Answer:

The index of refraction can be calculated using Snell's law:

n1sin(theta1) = n2sin(theta2)

where n1 and theta1 are the index of refraction and angle of incidence in the first medium (glass), and n2 and theta2 are the index of refraction and angle of refraction in the second medium (unknown material).

Plugging in the given values:

1.76sin(25) = n2sin(35)

Solving for n2:

n2 = (1.76*sin(25))/sin(35)

n2 ≈ 1.29

Therefore, the index of refraction for the unknown material is approximately 1.29.

Answer:

true

Explanation:

they can cause skin damage

The visible range is 6.02×10^-7 m.

The refractive index of the oil film is n=1.58

The thickness of the film is , t=286 nm= 286×10^-9 m

2nt=( m+ ½) λ

m=0, 1, 2,.....

Substituting m=0, t and n

2× 1.58 ×(286×10^-9) =(0+½) λ=1.81×10^-6m (This is of infrared range)

Substituting m=1, t and n

2× 1.58 ×(286×10^-9) =(1+½) λ=1.81×10^-6=6.02×10^-7 m, this is visible range

Waves are vibrations that propagate. There are many types of waves such as sound waves, mechanical waves, to electromagnetic waves. All waves have different characteristics.

The physical characteristics of the wave are represented by the wavelength, frequency, amplitude, direction of vibration, and also the direction of propagation. Wavelength is the distance of one wave and is represented by the Greek letter Lambda (λ).

On transverse waves, length can be calculated as the distance from the peak of the wave to the crest of the next wave, or the trough of the wave to the trough of the next. Whereas in longitudinal waves, the wavelength can be calculated from one stretch to the next stretch, or the distance from one density to the next.

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Answer:

confusion

Explanation:

mark as brainlist plz

Answer:

d. homeostatic imbalance

Explanation:

Answer:

It's D

Explanation:

I'm pretty sure but if im wrong I'll give you the points back <3

We need a minimum of 18 windmills to generate the required power output of 900 kW.

The minimum number of windmills that need to be installed if the required power output is 900 kW.

The formula for wind power is

P = (1/2)ρAv^3 where P is the power (in watts), ρ is the density of air (in kilograms per cubic meter), A is the area of the rotor (in square meters), and v is the velocity of the wind (in meters per second).

We can substitute the given values into the formula and rearrange it to find the area of the rotor:

900,000 = (1/2)(1.23)(π)(20^2)(6^3)Area of rotor = (900,000 × 2) / (1.23 × π × 20^2 × 6^3) = 79.6 m^2

The total area of rotor blades for one windmill is approximately 79.6 m². Now, we can divide the total power needed (900 kW) by the power generated by one windmill to find the minimum number of windmills needed:

Minimum number of windmills = 900,000 W / (0.5 × 1.23 kg/m³ × π × (20 m / 2)² × (6 m/s)³) = 17.6

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Answer:

See below

Explanation:

speed = wavelength * freq

    120 =  4 * f

f = 30 Hz

period = 1/f =   1/30 periods per sec

Answer:

29.55 kg

Explanation:

force gravity =  G m1 m2 / (r^2)    now change the mass 1 and the r

                     =   G 2m1 m2 / ( 2r)^2

                      = 2/4  G m1 m2 / (r^2)

the weight will be 2/4   or  1/2 the original

Radiation transfers energy by moving matter is false.

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In the context of a bar, equilibrium refers to a state in which the bar is balanced and not experiencing any net forces or torques.

It means that the bar is at rest or moving with a constant velocity without any acceleration.For a bar to be in equilibrium, two conditions must be met: translational equilibrium and rotational equilibrium.Translational equilibrium means that the net force acting on the bar is zero. This condition ensures that the bar is not accelerating in any particular direction. If there is a net force acting on the bar, it will cause the bar to move in the direction of the force. To achieve translational equilibrium, the sum of all the forces acting on the bar must be zero.Rotational equilibrium refers to the absence of any net torque on the bar. Torque is the rotational equivalent of force and is responsible for the rotational motion of an object. For the bar to be in rotational equilibrium, the sum of all the torques acting on the bar must be zero. This means that the forces acting on the bar must be balanced and not causing any rotation.

Achieving equilibrium in a bar requires careful consideration of the forces acting on it. By ensuring that the forces and torques are balanced, the bar can remain stable and stationary. Equilibrium is a fundamental concept in physics and is essential for understanding the stability and balance of objects in various scenarios, including bars, beams, and structures.

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The y-component of the vector is 4.97 m.

A vector is a quantity that has both magnitude and direction.

To calculate the y-component of the vector in the diagram above, we use the formula below.

Formula:

From the question,

Given:

Substitute these values into equation 1

Hence, the y-component of the vector is 4.97 m.

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Answer:

Define the problem . what's exactly going on ?

- set some goals

- examine the consequences

- put your solution into practice

- brainstorm possible solutions

- Team working

Explanation:

ANY PROBLEM RELATED TO MANI CUSTOMER BILLING ACCOUNTING IN BOOKKEEPING ETC

NING A WAY TO MAKE THE COMPANY MORE PRODUCTS FIDABLE THROUGH NEW SERVICE OR PRODUCT OFFERING NEW PRICING IDEA PROMOTING AND SALES IDEA

The sample will start emitting at a frequency of 42.58 MHz. The frequency at which the sample of hydrogen nuclei will start emitting in an NMR spectrometer can be determined using the gyromagnetic ratio and the applied magnetic field.

The gyromagnetic ratio is a constant that relates the angular momentum of a particle to its magnetic moment. For hydrogen nuclei, the gyromagnetic ratio is 42.58 MHz/T.

In this case, the magnetic field applied is 1.0 Tesla. To calculate the frequency, we can multiply the gyromagnetic ratio by the magnetic field strength:

Frequency = gyromagnetic ratio * magnetic field strength

Frequency = 42.58 MHz/T * 1.0 T

Therefore, the sample will start emitting at a frequency of 42.58 MHz.

It's important to note that NMR frequencies are typically in the radio frequency (RF) range, which is why the result is given in MHz (megahertz).

The other answer choices provided (6.77 MHz, 0.02 MHz, and 0.14 MHz) do not match the correct frequency for hydrogen nuclei in the given magnetic field.

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Answer:

the answers for the first 3 are

C

A

C

Explanation:

In computing the standard error of the mean, the finite population correction factor is used when n/N > 0.05, where N is the population size and n is the sample size.

The standard error of the mean (SEM) is a statistical term that reflects how much the sample mean deviates from the actual mean of the population the sample was taken from. The larger the sample size, the lower the standard error because the sample mean is closer to the actual population mean.

The standard error of the mean formula is:

SEM = s/√n

Where s is the standard deviation of the sample and n is the sample size.

The finite population correction factor (FPC) is a statistical term used to adjust for the reduction in the number of degrees of freedom that occurs when a sample is drawn from a finite population rather than an infinite one.

The finite population correction factor formula is:

FPC = √((N-n)/(N-1))

Where N is the population size and n is the sample size.

So, in computing the standard error of the mean, the finite population correction factor is used when n/N > 0.05, where N is the population size and n is the sample size.

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The - 60.6 N is the average force experienced by the clay.

The force applied by a body moving at a constant velocity (rate of speed) over a fixed time period is known as the average force. The magnitude and direction of force are both vector quantities. The term 'average' denotes that this velocity was not precisely measured or was not 'instantaneous.' As a result, the average force over a given time period is equal to the body's mass multiplied by its average velocity. The magnitude and direction of the average force are both vector quantities.

Average acceleration = Δv/t

We know F = ma,

We have m = 0.24

Δv = Final velocity - Initial velocity

Δv = (0 - 23) m/s
Δv = -23 m/s

t = 91 ms or 0.91 s

As we know acceleration (a) = v/t

So, a = -23/0.91

a = - 25.27 m/s²

Put the above value in formula F = ma.

F = (0.24 kg) × (-25.27 m/s²)

F = - 60.6 N

Therefore, the average force experienced by the clay is - 60.6 N.

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The complete question is:

"A 0.24 kg blob of clay is thrown at a wall with an initial velocity of 23 m/s. the clay comes to a stop against the wall in 91 ms, what is the average force experienced by the clay"

Explanation:

hopefully this helps :)

Special Materials means any and all materials which, under Environmental Requirements, require special handling in use, generation, collection, storage, treatment or disposal, or payment of costs associated with responding to the lawful directives of any court or agency of competent jurisdiction.

Properties of the special materials:

1. Stainless steel
2. Aluminum
3. Brass
4. Titanium
5. Steel

what is special materials?

Special Materials means any and all materials which, under Environmental Requirements, require special handling in use, generation, collection, storage, treatment or disposal, or payment of costs associated with responding to the lawful directives of any court or agency of competent jurisdiction.

Importance of property:

1.As a result of its adaptability, toughness, and effectiveness, stainless steel is a common material for use in precision machining. When it comes to stainless steel, there are numerous alternatives and varieties to consider. In order to obtain the required outcome, several varieties of stainless steel can be employed for diverse applications in precision machining.

2.Aluminum is even becoming a preferred choice to steel, with advances in cleaning and machining to make aluminum a more useful material. However, for best results, aluminum welding always needs to be handled by an experienced machining shop.

3.Free machining brass is another economical alternative material. Advantages of brass machining are the ease of machining, smooth, clean finish, non-sparking, holds tolerances and threads well.

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An object's mass remains unchanged everywhere while the weight of an object depends on gravity, it is a measurement of how much gravity has an impact on an object. Therefore, an object’s mass, rather than its weight is used to indicate the amount of matter it contains.

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Answer:

two 5kg objects 2 meters apart✨

Answer:

Larger, because both the Sun and Moon are pulling it.

Explanation: