If a physician sends a patient to a cardiologist, who happens to also be her husband, this may violate the Select one: a. anti-kickback law. b. Stark law. c. CLIA. d. False Claims Act.

Answer:

A dimension is a measure of a physical variable.

Unit is a way to assign a number or measurement to that dimension.

In dimensional analysis, a dimensionless quantity is a quantity to which no physical dimension is assigned, also known as a bare, pure, or scalar quantity or a quantity of dimension one, with a corresponding unit of measurement is the SI of the unit one, which is not explicity shown.

that means the parameter over another

Explanation:

that is when you say a parameter is inversely proportional to another it means what ever happens to the first parameter the opposite happens to the other parameter

The net effect of the sodium-potassium pump is to create a transmembrane electrical potential.

Sodium-potassium pump is a process in which sodium ions (Na+) are transported out of the cell while potassium ions (K+) are transported into the cell. The net effect of this process is that there is a greater concentration of K+ ions inside the cell and a greater concentration of Na+ ions outside the cell.

This creates an electrochemical gradient across the cell membrane. This gradient is what allows cells to carry out a variety of functions such as transmitting signals and carrying out metabolic processes. The electrochemical gradient is also what drives the movement of other molecules across the cell membrane.

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the goose has a mass of \(22.6 lb\) (pounds) and is flying at \(11.1\) miles/h (miles per hour). The kinetic energy of the goose in joules is \(5858.7 J\) .

Energy is the capacity to do work. It is the ability to move an object from one place to another or to cause a change in the object. Energy comes in many forms, including mechanical, electrical, chemical, thermal, and nuclear. Energy can be converted from one form to another, and it can also be stored and released. Energy is vital to many everyday activities, and it is necessary for the functioning of countless systems and processes. Humans have harnessed energy from the environment in various ways since the dawn of civilization. Today, energy sources such as fossil fuels, nuclear power, solar power, and hydropower are widely used to meet our energy needs.

The kinetic energy (KE) of an object is equal to its mass multiplied by the square of its velocity, divided by two.

KE = (mass× velocity2) \(/\) \(2\) =\((22.6lb* (11.1 mi/h)2) / 2\)\(=\)\((22.6 lb * 123.21 mi2/h2) / 2\) =\((2796.186 lb mi2/h2) / 2\) = \(1398.093 lb mi2/h21 lb mi2/h2 = 4.214 J\)

KE = \(1398.093 lb mi2/h2 * 4.214 J5858.7 J\)

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Answer:

b

Explanation:

because f its electronic configuration 2:8 indicating that it has 8 electrons in its outer most energy level

Answer:

I'm not that busy solving but I'll tell you the formula that Force x distance is equal to work done

The work is done on a pumpkin when we lift it by 15 m with 24 N is 360 J

Work done is the amount energy gained (loosed) in bringing the body from initial position to final position. It is denoted by W and its SI unit is joule(J).  

i.e. Work(W) is force(F) times displacement(s).

W=F× s

When a body is displaced with 1 newton of force by 1 m, then we can say that work has been done on the body by 1 joule.

Writing for it's dimension,

W=F× s

Force has dimension [L¹ M¹ T²]

Displacement has dimension [L¹]

multiplying both the dimensions Force and Displacement  

we get,

dimension of Work [L² M¹ T²]

According to newton's second law of motion,

Force(F) is mass(M) times acceleration(a).

i.e. F=ma

Given,

Force = 24 N

Displacement = 15 m

W=F.s= 24*15 = 360 J

Hence work done on pumpkin is 360 J

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To find the electric field at a distance of 0.750 m to the right of the Van de Graaff generator, we can use the formula for electric field intensity, E = kQ/r^2, where k is the Coulomb's constant, Q is the charge on the generator and r is the distance from the generator.

Plugging in the given values, we get:
E = (9 x 10^9 N.m^2/C^2) x (2.82 x 10^-6 C) / (0.750 m)^2
E = 4.032 x 10^3 N/C
So, the magnitude of the electric field at 0.750 m to the right of the Van de Graaff generator is 4.032 x 10^3 N/C. To express this value in the given format of a.bc x 10^d N/C, we need to determine the values of a, b, c and d.
First, we can express the value of the electric field in scientific notation:
E = 4.032 x 10^3 N/C = 4.032 x 10^(3-3) x 10^3 N/C = 4.032 x 10^0 x 10^3 N/C

Now, we can see that a = 4, b = 0, c = 3, and d = 3. Therefore, the answer is:
The magnitude of the electric field 0.750 m to the right of the Van De Graaff generator is 4.032 x 10^3 N/C.

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The net force on the block parallel to the incline is

∑ F = -mg sin(θ) = ma

where m is the mass of the block, g = 9.8 m/s² is the acceleration due to gravity, θ is the angle the incline makes with the horizontal, and a is the acceleration of the block. Solving for a gives

a = -g sin(θ)

so the block would slide down the incline with acceleration

a = - (9.8 m/s²) sin(30°) = -4.9 m/s²

Answer:

True

Explanation:

The Gravitational potential energy is given by:

G = mgh

m = mass of body ; g = acceleration due to gravity ; h = height

G for a ball of mass 10kg ; height of 20 meters above the ground

G = 10kg * 9.8m/s² * 20m = 1960 kgm²/s²

G for a ball of mass 1000kg at height, 0 meters :

G = 1000 * 9.8 * 0 = 0

1960 > 0

Hence, Gravitational potential energy for 10kg ball at height 20m is greater Thammfor a 1000kg ball on the ground.

(a) The rate of change of momentum of the water is 333.33 kgm/s².

(b) The force exerted by the building against the water is -333.33 N.

(c) The force exerted by water against the building is 333.33 N.

The rate of change of momentum of the water is calculated by applying the following equation as shown below.

ΔP/t = mv / t = (m/t)v

where;

ΔP/t = ( 1000 kg x 20 m/s ) / ( 1 min x 60 s )

ΔP/t = 333.33 kgm/s²

Based on Newton's third law of motion, action force and reaction force are equal and opposite. If the water exerts a certain force against the building, the building will exert equal and opposite force against the water.

The force exerted by water against the building, F = ma = (mv) / t

F = (mv) / t = 333.33 N

The force exerted by the building against the water;

F = - 333.33 N

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The magnitude of this magnetic field would need to be 15.17 tesla in order to exert a force of magnitude 6.16 newtons on a 0.864 meter length of this wire.

The magnitude of this magnetic field can be found by using the equation F = ILBsinθ, where F is the force, I is the current, L is the length of the wire, B is the magnitude of the magnetic field, and θ is the angle between the wire and the magnetic field. Rearranging the equation to solve for B gives us:

B = F / (ILsinθ)

Plugging in the given values gives us:

B = 6.16 N / (0.504 A × 0.864 m × sin(71.7°))

B = 6.16 N / (0.504 A × 0.864 m × 0.944)

B = 15.17 T

Therefore, the magnitude of this magnetic field would need to be 15.17 tesla in order to exert a force of magnitude 6.16 newtons on a 0.864 meter length of this wire.

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Answer:

None of the choices you provided are correct. When a gas burns, it releases energy in the form of heat and light. Some of this energy is transferred to the pot of water, increasing its temperature, but some of the energy is also released as light. However, the rest of the energy is not transformed into chemical, electrical, or nuclear energy. Instead, it is lost to the environment in the form of waste heat. This is why gas stoves can become hot to the touch - they are releasing excess energy in the form of heat that is not being used to heat the pot of water.

Explanation:

If the 2 spaceships are moving along the line connecting them , then the relative velocity of the two spaceships is 0.548C .

The term Relative Velocity is defined as " the velocity of an object with respect to  the another observer " .

it is given that ; u = 0.765C and u' = 0.925C ;

the space ships shoots a missile ,

we have to find the the velocity "v" ;

the equation to find the relative velocity(v) can be found by using the equation ;

u = (v + u')/(1 + vu'/c²)

simplifying further ,

we get ;

v = (u' - u)/(uu'/c² - 1)

substituting the values of u , u' ,

we get ;

v = (0.925C - 0.765C)/(0.765C*0.925C/C² - 1)

Simplifying and solving further ,

we get ;

v = -0.548C , the negative sign indicates that the spaceships are moving away from each other ,

Therefore , the relative velocity of the 2 spaceships is 0.548C  .

The given question is incomplete , the complete question is

Two spaceships are moving along the line connecting them , One of the spaceships shoots a missile towards the other , The missile leaves the attacking spaceship at 0.925C and approaches the other at 0.765C . given u = 0.765C and u' = 0.925C ,

What is the relative velocity of the two spaceships ? express it as a ratio to the speed of light. let the relative velocity of the spaceships be positive if they are approaching each other and negative if they are moving apart from one another.

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The magnitude of the electron's initial acceleration is approximately \(2.104 * 10^19 m/s^2.\)

To find the magnitude of the electron's initial acceleration, we can use Coulomb's Law and Newton's Second Law.

Coulomb's Law states that the force between two charged particles is given by:

\(F = k * (|q1| * |q2|) / r^2\)

where F is the force, k is Coulomb's constant (approximately 8.99 × 10^9 N m^2/C^2), q1 and q2 are the charges of the particles, and r is the distance between them.

In this case, we have an electron (negative charge) and the rod (positive charge). The electron experiences an attractive force towards the rod due to the opposite charges.

The force on the electron is equal to the product of its charge \((e = -1.6 × 10^-19 C)\) and the electric field (E) generated by the rod at the electron's position.

The electric field (E) created by a uniformly charged rod is given by:

E = (2 * k * λ) / r

where λ is the linear charge density of the rod.

Substituting the given values into the equations, we can calculate the electric field at the position of the electron:

\(E = (2 * (8.99 * 10^9 N m^2/C^2) * (6.0 * 10^-6 C/m)) / 0.09 m\)

Simplifying the expression, we get:

\(E = 1.198 * 10^8 N/C\)

Now, using Newton's Second Law, we can find the acceleration of the electron:

F = m * a

where F is the force on the electron, m is the mass of the electron \((9.11 * 10^-31 kg)\), and a is the acceleration.

Since the force on the electron is the product of its charge and the electric field:

F = e * E

Substituting the values into the equation, we have:

e * E = m * a

Solving for the acceleration (a):

a = (e * E) / m

Substituting the known values:

\(a = (-1.6 * 10^-19 C) * (1.198 * 10^8 N/C) / (9.11 * 10^-31 kg)\)

Calculating the expression, we find:

\(a \approx -2.104 × 10^19 m/s^2\)

Therefore, the magnitude of the electron's initial acceleration is approximately \(2.104 * 10^19 m/s^2\).

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Answer: 1 m/s

Explanation: 1 km = 1000 m (1 kilometer is equal to 1000 meters)

1 hour = 3600 seconds (1 hour is equal to 3600 seconds)

This question involves the concepts of the equations of motion in vertical direction.

The height of the bridge is "116.8 m".

We will use the second equation of motion in vertical direction to find out the height of the bridge.

\(h=v_it+\frac{1}{2}gt^2\\\\\)

where,

h = hieght = ?

vi = initial speed = 0 m/s

t = time taken = 4.88 s

g = acceleration due to gravity = 9.81 m/s²

Therefore,

\(h=(0\ m/s)(4.88\ s)+\frac{1}{2}(9.81\ m/s^2)(4.88\ s)^2\)

h = 116.8 m

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The magnitude of the change in momentum after completing half a revolution is zero,The correct answer is option(a).

To determine the magnitude of the change in momentum after completing half a revolution, we need to consider the principles of circular motion and conservation of momentum.

The change in momentum of an object is given by the equation Δp = mΔv, where Δp represents the change in momentum, m is the mass of the object, and Δv is the change in velocity.

In this scenario, the body of mass 0.1 kg is moving in a uniform circular path with a speed of 2 m/s. Since the speed remains constant, there is no change in velocity during the circular motion. Therefore, Δv is equal to zero.

Applying the equation Δp = mΔv, we find that Δp = (0.1 kg)(0) = 0 kg·m/s.

It's important to note that while the body is continuously changing its direction during the circular motion, the magnitude of its velocity remains constant. As a result, there is no change in momentum, as indicated by the answer (a) zero.
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Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 4.6 × 9.2

We have the final answer as

Hope this helps you

You can safely hold your fingers on both sides of a candle flame due mainly to convection.

Convection is the process by which heat is transferred through the movement of fluids or gases, such as air. In this case, the heated air around the candle flame rises upwards, which means the heat is not directly transferred to your fingers when they are on both sides of the flame. Therefore we can correctly say that you can safely hold your fingers on both sides of a candle flame mainly due to convection.

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The total mass of the system after combustion is therefore 1Kg (ashes) + 9Kg (gases and water vapor) = 10Kg, which is the same as the total mass before combustion.

Therefore, if the mass of the logs before burning was 10Kg, the total mass of the system before combustion was 10Kg (logs) + 0Kg (oxygen) = 10Kg. After combustion, the mass of the ashes was 1Kg, so the mass of the remaining gases and water vapor released into the atmosphere was 10Kg - 1Kg = 9Kg.

There are three fundamental quantities in mechanics that are conserved. These are power, forward motion, and angular momentum.

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Answer:

1.12

Explanation:

it is correct on Acellus

The total force on charge q(3) is 1125 x \(10^{-3}\) Newton

We have three charges in a straight line.

We have to find the force on charge q3 due to charge q1 and q2.

The force between two point charges is directly proportional to the product of the magnitude of two point charges and inversely proportional to the square of the distance between them. Mathematically-

\(F = \frac{1}{4\pi\epsilon_{o}}{\frac{qQ}{r^{2} } } }\)

We have -

\(q_{1} =q_{2} =q_{3} = -5 \times 10^{-6} C\)

The distance between -

\(q_{1}\;and\;q_{2} = q_{2} \;and\;q{3}\) = 0.5 m

Now, Force on charge q(3) due to charge q(1) -

F(1 → 3) = \(\frac{1}{4\pi\epsilon_{o}}{\frac{5\times 10^{-6} \times 5\times 10^{-6} }{1^{2} } } } = 9\times 10^{9} \times 25 \times 10^{-12} = 225\times 10^{-3}\) N (repelling force)

Force on charge q(3) due to charge q(2) can be calculate similarly as -

F(2 → 3) = 900 x \(10^{-3}\) N(repelling force)

Now, both the forces are in same direction, so we can add them algebraically -

\(F_{net}\) = F(1 → 3) + F(2 → 3) = 1125 x \(10^{-3}\) N

Hence, the total force on charge q(3) is 1125 x \(10^{-3}\) Newton

Hence, the wavelength of light in nano meters is 0.0177 x   nm.

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Answer:

the quantity of matter contained in a body is called mass .si unit of mass is kilogram.weight is effected by gravity but mass is not effected by gravity.

Answer:

The quantity of matter contained in a body is called mass .si unit of mass is kilogram.weight is effected by gravity but mass is not effected by gravity.

Explanation:

Answer:

Damp Proofing:

Explanation:

The presence of damp proofing is very necessary to maintain the health of a structure. DPC plays an important role in all types of buildings and it should be necessary to know about the importance, requirements, and properties of DPC. In many of the buildings all over the world, the rising damp may be due to a damaged damp-proof course, or sometimes, there may be not any damp proof course in a building.

The magnitude of the gravitational force on mass M is: F = G * (M * m) / (L^2 + d^2)

To find the magnitude of the gravitational force on mass M, we will use Newton's Law of Universal Gravitation. The formula for this is:
F = G * (M * m) / r^2
Where F is the gravitational force, G is the universal constant of gravitation, M and m are the masses of the objects, and r is the distance between their centers.

Given the information in the question, we have:
M = mass of the larger object
m = mass of the smaller object
L = distance between the centers of the two objects in the horizontal direction
d = distance between the centers of the two objects in the vertical direction

We need to find the total distance r between the centers of the objects. To do this, we can use the Pythagorean theorem:
r^2 = L^2 + d^2
Now, we can plug this into our gravitational force formula:
F = G * (M * m) / (L^2 + d^2)

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To solve this problem, we need to use the kinematic equations of motion for an object thrown vertically. The key information given in the problem are the time of flight (3.0 s) and the height of the balcony (15 m).

Using the equation for displacement of an object thrown vertically, we know that:

displacement = initial velocity x time + 0.5 x acceleration x time^2

Since the ball is thrown vertically, the initial velocity is the only component that we need to find. We also know that the acceleration due to gravity is -9.81 m/s^2 (negative because it is acting downwards).

We can rearrange the equation to solve for the initial velocity:

initial velocity = (displacement - 0.5 x acceleration x time^2) / time

Plugging in the values, we get:

initial velocity = (15 - 0.5 x (-9.81) x 3^2) / 3
initial velocity = 14.7 m/s (rounded to one decimal place)

Therefore, the initial speed of the ball was approximately 14.7 m/s.

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An indicator that orients you when defining a motion is called the reference point. The reference point provides a fixed framing of reference for monitoring and describing the position, velocity, and acceleration of an object.

If you are describing the motion of a car on a highway, you can use the side of the road or a specific landmark as the reference point. By using a reference point, you can determine the position, velocity, and acceleration of the car.

An object is considered to be in motion if its position changes relative to a reference point over time. There are several ways to resolve if an object is in motion like Heeding its position, measuring its velocity and observing its acceleration.

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Answer:

Electron affinity is the energy change that results from adding an electron to a gaseous atom. For example, when a fluorine atom in the gaseous state gains an electron to form F⁻(g), the associated energy change is -328 kJ/mol.

Give brainliest please.

Answer:

Electron affinity is the energy change that results from adding an electron to a gaseous atom.

Sorry I don't know about the second one.

It is not possible to add two vectors of unequal magnitudes and get a resultant vector with a magnitude of zero, but it is possible to add three vectors of equal magnitudes and get a resultant vector with a magnitude of zero when they form a closed triangle or polygon.

No, it is not possible to add two vectors of unequal magnitudes and get a resultant vector with a magnitude of zero. When adding vectors, their magnitudes contribute to the magnitude of the resultant vector. If the magnitudes are unequal, the resultant vector will have a magnitude that is not zero.

The magnitudes of the vectors determine the strength or intensity of their individual contributions to the resultant vector. In order for the magnitudes to cancel out and result in a zero magnitude, the vectors must have equal magnitudes and opposite directions.

On the other hand, it is possible to add three vectors of equal magnitudes and get a resultant vector with a magnitude of zero. This occurs when the three vectors form a closed triangle or polygon. Each vector can cancel out the contribution of the other two vectors, resulting in a net magnitude of zero for the resultant vector.

For this to happen, the vectors must have equal magnitudes and be arranged in such a way that their directions form a closed loop. This condition allows the vectors to completely offset each other, resulting in a resultant vector with zero magnitude.

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