The bar chart shows the percentage of adults in the U.S. living with certain heart disease risk factors. Which conclusion can be drawn from the chart?
A.
About 30% of adults are living with obesity, high blood pressure, or both.
B.
Diabetes is the leading cause of heart disease among adults who have high cholesterol.
C.
Over 50% of the reporting adults are living with risk factors that can be controlled through diet and exercise.
D.
If an adult leads an inactive lifestyle, he has a 38% chance of getting heart disease.

The voltage at the inverting terminal is 7.5 V. V out is -12.5 V. The current flowing through R4 is 0.5 mA.

Given that Vn, Vout, and lout for the circuit shown below and op amp is ideal.In the circuit, current I2 flows through the 2.5 kΩ resistor.

Therefore, the voltage drop across the 2.5 kΩ resistor is given by,

Vn = I2 x R2Vn = 3 mA x 2.5 kΩ = 7.5 V

Therefore, the voltage at the inverting terminal is 7.5 V.

Since op-amp is assumed to be ideal, no current flows into the inverting and non-inverting terminals.

Therefore, current through R3 is given by,

I3 = (Vn - Vout) / R3=> Vout = Vn - I3 x R3=> Vout = 7.5 V - 4 mA x 5 kΩ=> Vout = - 12.5 V

Therefore, Vout is -12.5 V.

Let's calculate the current flowing through R4:

This current will also flow through the 5 kΩ resistor.

Let lout be the current flowing through R4.

Therefore, current through the 5 kΩ resistor is also lout.

Now, I4 + lout = I3=> I4 = I3 - lout=> I4 = 4 mA - lout

Also, I4 = (5 V - Vout) / R4=> 4 mA - lout = (5 V - (-12.5 V)) / 5 kΩ=> 4 mA - lout = 3.5 mA=> lout = 0.5 mA

Therefore, lout is 0.5 mA.

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The amplitude of the air vibrations caused by a sound wave with a frequency of 249 Hz and an intensity of 7.7e-06 watts/m^2 is approximately 6.23 micrometers.

The relationship between frequency, intensity, and amplitude of a sound wave can be determined using the formula for sound intensity in air,

which is given by \(I = (1/2)\rho v \omega ^2A^2,\)

where I is the sound intensity, ρ is the density of the medium (air), v is the velocity of sound in air, ω is the angular frequency (2πf), and A is the amplitude of the sound wave.

In this case, we are given the frequency (f) as 249 Hz and the intensity (I) as 7.7e-06 watts/m^2. The velocity of sound in air (v) is approximately 343 m/s.

By rearranging the formula, we can solve for the amplitude (A) as follows:

\(A^2 = (2I) / (\rho v\omega ^2)\)

First, we need to calculate the angular frequency (ω) using the given frequency (f).

ω = 2πf = 2π(249 Hz).

Next, we substitute the values into the formula and calculate the amplitude:

\(A^2 = (2 \times 7.7 e-06 ) / (1.225 \times 343 \times (2\pi (249 ))^2)\)

\(A^2 = 1.66e-09\)

Taking the square root of both sides, we find:

A ≈ 4.07e-05 meters

Since the amplitude is given in meters, we convert it to micrometers by multiplying by 10^6:

\(A =4.07e-05 meters \times 10^6 = 40.7 micrometers\)

Therefore, the amplitude of the air vibrations caused by this sound wave is approximately 40.7 micrometers or 6.23 micrometers (rounded to two decimal places).

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Answer: Light ray X will eventually hit the borader

Explanation:

Electromagnetic spectrum represents the complete range of frequencies of light energy from radio waves to cosmic rays.

Electromagnetic spectrum is nothing but the complete range of electromagnetic radiation, classified by frequency or wavelength.

When an electric field interacts with a magnetic field, electromagnetic waves are created. Therefore, they are referred to as "electromagnetic" waves.

these are ranging from  highest to lowest energy

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Answer:

Reaction force. An object at rest on a surface experiences reaction force.

Tension. An object that is being stretched experiences a tension force.

Friction. Two objects sliding past each other experience friction forces.

Air resistance.

Explanation:

Answer with Explanation:

Conntact forces: Frictional force, Muscular force etc

Non-contact : gravitational, electrostatic, and magnetic

I hope   im right!!

Given:

The mass of the sun is

The universal gravitational constant is

The speed is

To find the required radius for the sun to become a black hole.

Explanation:

The radius can be calculated as

The name of the radius is Schwarzschild radius.

Answer:

amplitude

Explanation:

Answer:

who gives you you this kind of work???

Explanation:

Answer:

0.2m

Explanation:

F = 6 x 10^3N

k = 3 x 10^4 Nm-1

x = ?

from Hooke's law, F = kx

x = F/k = 6 x 10^3 ÷ 3 x 10^4 = 0.2m

Answer:

1. The distance of image from the plane mirror is same as the distance of object (person) from the plane mirror but the image is formed behind the mirror.

v=u=3 m

Thus distance between image and the person d=u+v=3+3=6 m

2.A concave mirror has a radius of curvature of 1.0 m. An object is placed 2.0 m in front of the mirror. Can you determine the location of the image (in cm)

1/v = 1/f - 1/u = 1/50 - 1/200 = 4/200 - 1/200 = 3/200

v = 200/3 c

NUMBER 3 Ans: 18.75 cm.

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Answer:

C

Explanation:

frequency is the number of wave-crests that pass a fixed point per second.  Graph C shows a higher frequency wave (amplitude is the same as Graph 1).

Answer: liquids take the shape of the container they are in, but have definite volume. like liquids the shape of a gas changes with the container. unlike liquids the volume of a gas changes depending on the container it is in

Explanation:

Answer:

liquids flow freely, they take the shape of the container they are in, but have a definite volume. Like liquids, the shape of a gas changes with the container. This is because the atoms in a gas move rapidly and freely to fill any available space. Unlike liquids, the volume of a gas changes depending on the container it

Explanation

Answer:

Measuring potential difference Potential difference is measured using a device called a . Just like ammeters, some types have a pointer on a dial, but most have a digital display. However, unlike an ammeter, you must connect the voltmeter in parallel to measure the potential difference across a component in a circuit.

Answer:

Frequency and wavelength are inversely proportional to each other. The wave with the greatest frequency has the shortest wavelength. Twice the frequency means one-half the wavelength.

Explanation:

The overall dimming of starlight passing through dust clouds is Extinction .

To find the answer, we need to know more about the Extinction.

Thus, we can conclude that, the overall dimming of starlight passing through dust clouds is Extinction .

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The statement "They have a positive charge and are present in the nucleus of an atom along with the neutrons" correctly describes protons.

Protons are small particles that make up the nucleus of an atom. They carry a positive charge and have a mass of approximately 1 atomic mass unit. The number of protons within an atom's nucleus defines its atomic number and thus its identity as an element.

For instance, carbon atoms have 6 protons, and oxygen atoms have 8 protons. Protons are vital building blocks of all atoms and play a significant role in the chemical behavior and reactions of elements.

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Answer:

D i think

Explanation:

dont need a explanation it's just D

Answer:

1.42

Explanation:

got it right on my homework

Answer:

c

Explanation:

According to the conservation of energy

At the top of the hill, only the potential energy will work as it is at rest.

Also, potential energy increases with height, so if the height of the first hill is the highest, the total energy will be more.

The most scientific guess (hypothesis) based on what is known about the behavior of galaxies is that Galaxies are continuously moving away from each other. This hypothesis can be tested using Hubble's Law.

Hubble's law indicates that almost all galaxies are moving apart from one another because the universe as a whole is expanding. Choose any two galaxies at arbitrarily, and they're most likely traveling apart from each other.

Hubble discovered that galaxies move away from us at a rate proportionate to their distance: more distant galaxies move away faster than closer ones. The accompanying graphic shows Hubble's classic graph of measured velocity vs. distance for neighboring galaxies.

The graph shows a linear relationship between galaxy velocity (v) and distance (d).

The equation for the above linear relationship is:

                                          v = H₀ x d

Where:

H₀ is the expansion rate

v = velocity of the galaxy; and

d = distance.

Using the above formula, the astronomer can measure or test to know whether indeed the new galaxy is moving relative to the Milky Way galaxy and at what rate.

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Use Newton's second law.

The object's mass is the same everywhere, so first compute the mass using the object's weight on Earth:

F = ma   ⇒   59 N = m (9.8 N/kg)   ⇒   m ≈ 6.02041 kg

Now compute the acceleration on the other planet:

F = ma   ⇒   40.5 N ≈ (6.02041 kg) a

⇒   a ≈ 6.72712 m/s² ≈ 6.7 m/s² ≈ 1.5g

where g = 9.8 m/s², just to express this acceleration relative to the gravitational acceleration at Earth's surface.

Answer:

False

Explanation:

Metamorphic rock can melt into magma or weathers down (erosion) into sediments.

Answer:

b

Explanation:

Answer:

B. Vastus Lateralis

Explanation:

The vastus lateralis muscle is located on the side of the thigh. This muscle is the largest of the quadriceps group.

Answer:

I'M SO SORRY I SAW THIS TOO LATE :<

Explanation:

im pretty sure it's falseeee, information would probably be accurate

Answer:

24.5 m/s

Explanation:

Since the work done by the electric field on the charge equals the kinetic energy of the ball, then

qV = 1/2mv²

and v = √(2qV/m)

where q = charge = + 0.05 C, V = potential difference = 12.0 V, m = mass of ball = 2.0 g = 0.002 kg

Substituting the values into v, we have

v = √(2 × + 0.05 C × 12.0 V/0.002 kg)

= √(1.2 CV/.002 kg)

= √(600 CV/kg)

= 24.5 m/s

Answer:

I think this three:

I said (A) because :

I said (C) because :

I didn't choose (B) because :

The acceleration of John during the entire motion is 1.2 m/s².

The acceleration of John during the entire motion is calculated  by applying the following formula as shown below.

a = Δv / Δt

where;

a = ( v - u ) / ( t₂ - t₁ )

a = ( 4 m/s - - 2 m/s ) / ( 10 s - 5 s )

a = ( 6 m/s ) / ( 5 s )

a = 1.2 m/s²

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The complete question is below:

John walks away from his house at a constant speed of 2 m/s for 10 seconds , he then remembers he lost his key and immediately runs back to his house at a speed of 4 m/s in 5 seconds. find the average acceleration during the journey

Answer:

An electrical circuit is composed of a source of electrical power, two wires that can carry electric current, and a light bulb. One end of both the wires is attached to the terminal of a cell while their free ends are connected to the light bulb. The electrical circuit is broken when the bulb is switched off.