Design a single-lead ECG recording system that interfaces to three electrodes placed on the
body: a signal electrode, a reference electrode, and an active ground electrode. Your design
should include «single instrumentation amplifier which amplifies the signal between the signal
and reference electrodes with a differential gain of 60 dB, a low-pass corner of 2 kl¥7, an input
impedance greater than 10 GO, and a common-mode rejection ratio of at least 100 dB in the
presence of electrode mismatch up to 100 kQ. A driven right leg (DRL) auxiliary amplifier
should be inchided to feed hack the common-mode voltage on the signal and reference

‘lectrodes with 40 dB of inverting gain to the active ground electrode



The circu is powered by single 3.3 V battery aad should not deave more than $0 WA folio
the body. As before, show a complete circuit disgram and specify all types and values for active
and passive components, Also indicate the relative tolerances (in percentage error) for the
passive components. Justify design choices to meet the specifications

Explanation:

this might help you i think so

Answer:

The answer is C.) Lacks all 3 types of antigens.

Explanation:

Real images are those where light actually converges, whereas virtual images are locations from where light appears to have converged.

Answer: Unbalanced forces

Explanation: When the forces acting on an object are unbalanced, they do not cancel out one another

Answer:

The speed of sound in water is two times slower than that in air. Sound travels much faster in space than in water. Warmer water allows sound to travel faster so i think true

Explanation:

Answer:

It is B

Explanation:

I did the test

From the given options, the end product of mitosis is Two identical nuclei (option b)

Mitosis is a fundamental cellular process that occurs in somatic (non-reproductive) cells, aiming to create two genetically identical daughter cells from one parent cell. It consists of several stages: prophase, metaphase, anaphase, and telophase.

During prophase, the chromatin (a combination of DNA and proteins) condenses into visible chromosomes, and the nuclear membrane disintegrates. In the subsequent stage, metaphase, the chromosomes align at the cell's equator, ensuring each daughter cell receives an equal number of chromosomes.

Next comes anaphase, where the paired chromosomes are pulled apart and move towards opposite poles of the cell. The final phase, telophase, involves the formation of two separate nuclei around the separated chromosomes.

At the end of mitosis, the single parent cell has divided into two genetically identical daughter cells, each containing a complete set of chromosomes. These daughter cells are fully functional and capable of carrying out their specific tasks within the organism.

So, the correct Answer: B. Two identical nuclei.

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Both the assertion and the reason given are true.If the mass of the object is less, the acceleration produced by the force will be more. Hence, the acceleration produced by the force is directly proportional to the magnitude of the force and inversely proportional to the mass of the object.

The given assertion: When astronauts throw something in space, that object would continue moving in the same direction and with the same speed; and the given reason: The acceleration of an object produced by a net applied force is directly related to the magnitude of the force, and inversely related to the mass of the object are both correct.Astronauts are capable of throwing objects in space because they are beyond Earth's gravity and do not have to deal with any significant air resistance. In the absence of other forces like friction or air resistance, the initial velocity will be conserved, and the object will continue to move with the same speed and direction. The object would continue to move in a straight line with the same speed because no external force acts on it to change the object's state of motion.Newton's second law states that the force of an object is directly proportional to its acceleration, but inversely proportional to its mass. F=ma, where F is force, m is mass, and a is acceleration. Therefore, if the mass of the object is less, the acceleration produced by the force will be more. Hence, the acceleration produced by the force is directly proportional to the magnitude of the force and inversely proportional to the mass of the object.

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The answer is  slope of the tangent tothe given polar curve \($r=\cos (2 \theta)$\) at \($\theta=\frac{\pi}{4}$\) is \($m=1$\)

Given \($r=\cos (2 \theta)$\)

As we know that the slope m of the polar curve\($r=f(\theta)$\) at a point P is given by

\($$m=\left.\frac{\mathrm{d} y}{\mathrm{~d} x}\right|_{\theta=\theta_{0}}=\left.\frac{f^{\prime}(\theta) \sin (\theta)+f(\theta) \cos (\theta)}{f^{\prime}(\theta) \cos (\theta)-f(\theta) \sin (\theta)}\right|_{\theta=\theta_{0}}$$\)..........(1)

Here \($f(\theta)=\cos (2 \theta) \quad$\) and \($\quad \theta_{0}=\frac{\pi}{4}$\)

\($f^{\prime}(\theta)=-2 \sin (2 \theta) \quad$\) [ by using chain rule]

Substituting in eq. (1) we get

\(m=\left.\frac{\mathrm{d} y}{\mathrm{~d} x}\right|_{\theta=\frac{\pi}{4}}=\left.\frac{-2 \sin (2 \theta) \sin (\theta)+\cos (2 \theta) \cos (\theta)}{-2 \sin (2 \theta) \cos (\theta)-\cos (2 \theta) \sin (\theta)}\right|_{\theta=\frac{\pi}{4}}\)

\(m=\left.\frac{\mathrm{d} y}{\mathrm{~d} x}\right|_{\theta=\frac{\pi}{4}}=\frac{-2 \sin \left(2 \frac{\pi}{4}\right) \sin \left(\frac{\pi}{4}\right)+\cos \left(2 \frac{\pi}{4}\right) \cos \left(\frac{\pi}{4}\right)}{-2 \sin \left(2 \frac{\pi}{4}\right) \cos \left(\frac{\pi}{4}\right)-\cos \left(2 \frac{\pi}{4}\right) \sin \left(\frac{\pi}{4}\right)}\)

\(m=\left.\frac{\mathrm{d} y}{\mathrm{~d} x}\right|_{\theta=\frac{\pi}{4}}=\frac{-2 \sin \left(\frac{\pi}{2}\right) \sin \left(\frac{\pi}{4}\right)+\cos \left(\frac{\pi}{2}\right) \cos \left(\frac{\pi}{4}\right)}{-2 \sin \left(\frac{\pi}{2}\right) \cos \left(\frac{\pi}{4}\right)-\cos \left(\frac{\pi}{2}\right) \sin \left(\frac{\pi}{4}\right)}\)

\(\begin{aligned}&m=\left.\frac{\mathrm{d} y}{\mathrm{~d} x}\right|_{\theta=\frac{\pi}{4}}=\frac{-2 \frac{1}{\sqrt{2}}+0}{-2 \frac{1}{\sqrt{2}}-0} \\&m=\left.\frac{\mathrm{d} y}{\mathrm{~d} x}\right|_{\theta=\frac{\pi}{4}}=\frac{-\frac{2}{\sqrt{2}}}{-\frac{2}{\sqrt{2}}} \\&m=\left.\frac{\mathrm{d} y}{\mathrm{~d} x}\right|_{\theta=\frac{\pi}{4}}=1\end{aligned}\)

Hence slope of the tangent to the given polar curve \($r=\cos (2 \theta)$\) at \($\theta=\frac{\pi}{4}$\) is \($m=1$\)

What is chain rule ?

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Answer:

jgfsdghjjuk

Explanation:

khhnghjj

With the sound waves in phase at 688 hz and the speed of sound in air to be 344 m/s we have a wavelength of 0.5 m

To solve this problem the formula and the procedure that we have to use is:

λ = v / f

Where:

Information about the problem:

Using the wavelength formula and replacing values we get:

λ = v / f

λ = 344 m/s / 688 Hz

λ =0.5 m

It is the quantity that measures the number of times or cycles in which a wave is repeated over time in seconds. Frequency is expressed in Hertz (Hz).

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Answer:

1

Explanation:

Answer:

You have 1 apple.

Explanation:

3 - 2 = 1

Answer:

Sound is produced when an object vibrates, creating a pressure wave. This pressure wave causes particles in the surrounding medium (air, water, or solid) to have vibrational motion. As the particles vibrate, they move nearby particles, transmitting the sound further through the medium.

Explanation:

Answer:

Pluto is no longer considered a planet as a result of it's small size on the IAU scale.

Explanation:

Answer is in the photo. I can only upload it to a file hosting service. link below!

tinyurl.com/wpazsebu

Answer:

0 Kelvin is equal to -459.67 Fahrenheit which is also absolute zero. Along with that at zero Kelvin or minus 273 degrees Celsius or minus 459.67 Fahrenheit the particles stop moving and all disorder disappears. Thus, nothing can be colder than absolute zero on the Kelvin scale. Luckily 0 Kelvin is believed to be impossible to reach with our current technology.

-BlueBoy

Answer:

A,when the two air masses meet,the cold air cools the block if warm air,causing it to condense and form stratus clouds( blankets of blank clouds that form when air rises slowly e.g. a warm air mass meets a cold one). Eventually when the cloud becomes saturated precipitation falls from them(precipitation is moisture in any form that falls from the atmosphere).

The orange was at a height of 3.26 m above the ground.

The third equation of motion is

v² - u² = 2aS

Given is an orange dropped from a tree and had a velocity of 8 m/s just before it hits the ground.

We can write -

[v] = 8 m/s

[a] = 9.8 m/s²

[u] = 0 m/s

Using third equation of motion, we get -

v² - u² = 2aS

64 - 0 = 2 x 9.8 x S

64 = 19.6 x S

S = 3.26 m

Therefore, the orange was at a height of 3.26 m above the ground.

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The law that governs the conservation of electric charge in a closed system is known as the law of conservation of charge.

According to this law, the total amount of electric charge in a closed system remains constant and cannot be created or destroyed. As for how objects can change their charges in a closed system, it is because the distribution of electric charge can change.

For example, when two objects with different electric charges are brought into contact, electrons can flow from one object to the other until both objects have the same electric potential. This transfer of electrons results in a change in the charge of each object, but the total charge remains the same.

Another way objects can change their charges is through the process of ionization, where an atom loses or gains electrons, resulting in a change in the electric charge of the atom. Again, the total charge remains constant, as the lost or gained electrons must go somewhere.

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Answer:

\(1.5 * 10^6\)

Explanation:

Given

Digit: 1,500,000

Required

Represent using scientific notation

We start by expressing the given digit as a product of 1.5 and a multiple of 10

\(Digit = 1.5 * 1,000,000\)

1,000,000 can be represented as 10⁶

So; the digit becomes

\(Digit = 1.5 * 10^6\)

Hence, the scientific notation of 1,500,000 is 1.5 * 10⁶

Answer:

The Speaker of the House is responsible for administering the oath of office to the Members of the U.S. House of Representatives, giving Members permission to speak on the House floor, designating Members to serve as Speaker pro tempore, counting and declaring all votes, appointing Members to committees, sending bills Explanation:

\(\lambda=\frac{v}{f}=\frac{400}{200}=2[m]\)

Answer:

\(\displaystyle 2\, \pi\, \sqrt{\frac{R^{3}}{G\m M}}\), where \(R\) is the orbital radius, \(M\) is the mass of the Moon, and \(G\) is the gravitational constant.

Explanation:

Let \(m\) denote the mass of the satellite. Let \(R\) denote the orbital radius, let \(M\) denote the mass of the Moon, and let \(G\) denote the gravitational constant.

The Moon would exert the following gravitational attraction on the satellite:

\(\displaystyle \frac{G\, M\, m}{R^{2}}\).

Let \(\omega\) denote the angular velocity of the satellite. For the satellite to stay in this orbit of radius \(R\), the net force on the satellite needs to be:

\(m\, \omega^{2}\, R\).

Since the gravitational force is the only force on this satellite, the net force on the satellite would be equal to the gravitational force:

\(\displaystyle m\, \omega^{2}\, R = \frac{G\, M\, m}{R^{2}}\).

Rearrange this equation to find the angular velocity:

\(\displaystyle \omega^{2} = \frac{G\, M}{R^{3}}\).

\(\displaystyle \omega = \sqrt{\frac{G\, M}{R^{3}}}\).

Note that with the Moon as the center, a full revolution around the Moon would take an angular distance of \(2\, \pi\). Divide the angular distance by the angular velocity to find the time required for this revolution:

\(\begin{aligned}T &= \frac{2\, \pi }{\omega} && \genfrac{}{}{0}{}{\text{angular displacement}}{\text{angular velocity}} \\ &= 2\, \pi \, \sqrt{\frac{R^{3}}{G\, M}}\end{aligned}\).

Answer:

probably the trip where it took u 5 seconds

Answer:

1) 150 [m/min]; 2) 250 [m/min].

Explanation:

1) time=10min; distance=1,5km, then the speed=distance/time=1.5/10[km/min]= 0.15 [km/min] or 150 [m/min] or 2.5 [m/s];

2) time=10 min; distance=2.5 km, the the speed=distance/time= 2.5/10= 0.25[km/min] or 250 [m/min] or ≈4.17 [m/s].

Answer:

Ice is less dense than water

Explanation:This is due to ice's density being less than liquid water's density.It happens that the lattice arrangement allows water molecules to be more spread out than in a liquid, and, thus, ice is less dense than water.

So this answer is A

Answer:

Explanation:

1

2

3

The third table shown in the diagram below can be modelled with the equation, y = x + 2, therefore, it represents a linear equation.

A linear function is a function whose graph represents a straight line when the points are plotted, and also can be modelled by the equation, y = mx + b.

b is the value of y when x = 0 (y-intercept)

m is the slope or unit rate.

Thus, the third table shown in the diagram below can be modelled with the equation, y = x + 2, therefore, it represents a linear equation (see attachment). The last table has a constant slope of -3, hence it represents a linear function.

Table of functions

From the given table, we need to determine which of the table is a linear table. To determine that, we must check which of the table has a constant rate of change

Looking at the last table;

Slope = -4-(-2)/2-1

Slope = -4+1/1

Slope = -3

Since the last table has a constant slope of -3, hence it represents a linear function.

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Answer:

sa64

Explanation:

Answer:

15 μF

Explanation:

If two capacitors are in parallel, the equivalent capacitance is equal to the sum of the capacitances, so for the first two capacitors, we get:

C = 10 μF + 20 μF

C = 30 μF

Then, this capacitor C is in series with another capacitor of 30μF. For capacitor in series, we can find the equivalent as follows

Therefore, the answer is 15μF

Answer:

you do a chemical reaction thing

Explanation:

get baking soda and mix it with b

vinegar and then try other liquids on baking soda and see the reaction, make sure to document and take pictures