Transformers: an ideal step-up transformer doubles a primary voltage of 110 v. what is the ratio of the number of turns in its primary coil to the number of turns in the secondary coil?

The concentration of the acute leukemia cc95 combination value in micromolar (μm) units is  6 × 10-4 μM.

Acute lymphocytic leukemia (ALL) is also called acute lymphoblastic leukemia. “Acute” means that the leukemia can progress quickly, and if not treated, would probably be fatal within a few months. "Lymphocytic" means it develops from early (immature) forms of lymphocytes, a type of white blood cell.

A rapidly progressing cancer that starts in blood-forming tissue such as the bone marrow, and causes large numbers of white blood cells to be produced and enter the blood stream.

In acute leukemia, the abnormal blood cells are immature blood cells (blasts). They can't carry out their normal functions, and they multiply rapidly, so the disease worsens quickly. Acute leukemia requires aggressive, timely treatment.

This corresponds to 0.6 × 10^-9 M × (1 μM/1 × 10^-6 M) = 0.6 × 10^-3 μM = 6 × 10-4 μM.

Acute myeloid leukemia (AML) is caused by a DNA mutation in the stem cells in your bone marrow that produce red blood cells, platelets and infection-fighting white blood cells. The mutation causes the stem cells to produce many more white blood cells than are needed.

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The average value have of the function h on the given interval is  [tex]\frac{1}{2} \ln^2 (2)[/tex].

The given function is [tex]h (u) = \frac{\ln (u)}{u}[/tex] on the interval (1, 5).

The average value of function (a, b) is found by using the formula:

[tex]\frac{1}{(b -a)} \displaystyle \int^{b}_{a} f(x) dx[/tex]

Here the function is  [tex]h (u) = \frac{\ln (u)}{u}[/tex] and a = 1, b = 5

Now,

[tex]\dfrac{1}{(5 - 1)} \displaystyle \int^{5}_{1} \frac{\ln (u)}{u}\ du[/tex]

[tex]= \dfrac{1}{4} \displaystyle \int^{5}_{1} \frac{\ln (u)}{u}\ du[/tex]

Substitute [tex]\ln (u) = t, dt = \frac{1}{u}\ du[/tex]

[tex]\dfrac{1}{4} \displaystyle \int^{4}_{1} \frac{\ln (u)}{u} du = \frac{1}{4} \int^{4}_{1} t (dt)[/tex]

                      [tex]= \frac{1}{4} \left [\frac{t^2}{2} \right ]^{4}_{1}[/tex]

                      [tex]= \frac{1}{8} \left [\{\ln (u)\}^2 \right ]^{4}_{1}[/tex]

                      [tex]= \frac{1}{8} [\{\ln (4) \}^2 - \{\ln (1) \}^2 ][/tex]

                      [tex]= \frac{1}{8} [\{\ln (4)\}^2 - 0][/tex]

                      [tex]= \frac{1}{8} \ln^2 (4)[/tex]

                      [tex]= \frac{2}{4} [2 \ln (2)]^2[/tex]

                      [tex]= \frac{1}{2} \ln^2 (2)[/tex]

Thus from the above conclusion we can say that The average value have of the function h on the given interval is  [tex]\frac{1}{2} \ln^2 (2)[/tex].

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Energy is transferred by waves as the wave travels through a medium All waves transfer energy no matter what medium they travel through. the correct answer is option(a).

A wave is a disturbance that shifts energy rather than actual substance from one location to another. Energy is transferred by waves away from its source, or initial location.

Energy is transferred via electric and magnetic field vibrations in electromagnetic waves. Energy is conveyed in sound waves by the vibrating of air molecules or the particles of the substance that the sound is traveling through. The vibration of the water molecules occurs during the transmission of energy in water waves. The medium's particles only vibrate stationary. As they vibrate, they transfer the disturbance's energy to the particles nearby, which then transfer it to the particles nearby, and so forth. The wave does not truly move together with the medium's particles.

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Resistive force against 10.0 N of force to lift an object with a single, fixed pulley will be 10 N

Resistive force is a force, or the vector sum of numerous forces, whose direction is opposite to the motion of a body

A resistive force is one that inhibits or resists the motion of an object. It acts in a direction opposite to any motion or applied force that is trying to move the object. The most common resistive force is friction where an object is held back from sliding across a surface.

The force that the string (or similar) exerts on the object in these types of problems is called tension. Resistive Forces These include: Friction which is a force that prevents, or tries to prevent, the slipping or sliding of two surfaces in contact.

Hence , resistive force against 10.0 N of force to lift an object with a single, fixed pulley will be 10 N but in opposite direction to where pulley is been lifted .

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Observing star clusters will give astronomers needed data for stellar evolution because all the stars in the have the same Age

A star changes over time through a process called stellar evolution. A star can have a life that is substantially longer than the age of the universe, ranging from a few million years for the most massive to billions of years for the least massive.

Stellar evolution is a term used to describe how stars change through time. Most stars don't seem to change much on a human time scale, but if we looked for billions of years, we would witness how stars are born, how they grow older, and then how they die. Stellar evolution is significant because it produces the majority of the components.

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The sum of vectors lie between 5 - 45

We all know that Vector is a quantity of Magnitude and Direction.

Couple of examples of Vector quantity are Acceleration, Displacement, Force, Momentum, Velocity

Let's solve the problem:

I A I is given as 20

I B I is given as 25

The sum of vectors lie between their maximum and minimum

Hence,

MIn < Sum of Vectors < Max

I A-B I < Sum of Vectors < I A + B I

I 20 - 25 I < Sum of Vectors < I A + B I

5 < Sum of Vectors < 45

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Jovian Planets have low density and no Earth like things, like the terrestrial planets.

All of the planets in our solar system,except Pluto—are categorized as either terrestrial (like Earth) or jovian (like Jupiter) planets

Terrestrial planets:

Jovian planets:

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The rms current in the transmission lines is I = 487.18 A.

The root-imply-rectangular (rms) voltage of a sinusoidal supply of electromotive force  is used to represent the source. it is the rectangular root of the time average of the voltage squared.

Alternating-present day circuits. the root-imply-square (rms) voltage of a sinusoidal source of electromotive force is used to symbolize the supply. it's far the square root of the time average of the voltage squared.

Electric power is  by using present day or the waft of electric fee and voltage or the capacity of rate to deliver electricity. A given cost of power can be produced by using any combination of contemporary and voltage values

power = 38 M watt

rms voltage = 78 K v

power = IV

I = power/V

I = (38 * 1000000)/78*1000

I = 487.18 A.

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The resistance of the furnace is 2.4 ohm

Given,

P=24kW, V=240v,

P=[tex]\frac{V^{2} }{R}[/tex],  24kW=[tex]\frac{240^{2} }{R}[/tex], Therefore R=2.4 ohm

A force that opposes the flow of current is electrical resistance, often known as resistance to electricity. It acts as a gauge for how challenging it is for current to flow in this fashion. Ohms (), which represent resistance values, are used. Electricity will move from high to low when an electron difference exists between two terminals. This flow is opposed by resistance. Lower currents occur at higher resistance levels. The opposite is also true: the current increases as the resistance decreases. The Greek letter omega (), which represents resistance, represents ohms. German physicist Georg Simon Ohm (1784–1854), who investigated the connection between voltage, current, and resistance, is the name given to the unit of resistance known as an ohm. Ohm's Law was developed under his direction.

A 24-kw electric furnace is connected to a 240-v line. what is the resistance of the furnace? group of answer choices

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The current that will flow in the secondary coil will be 23.5 Amperes

Power is the rate per unit time, at which electrical energy is transferred by an electrical circuit.

The SI unit of power is the watt and is given by Voltage * Current

Let's solve the question:

Given:

Voltage ( Primary ) = Vp = 114 V

Current ( Primary ) = Ip = 6 A

Voltage ( Secondary ) = Vs = 29 V

Current ( Secondary ) = Is = ?

In Ideal Transformer Primary Power = Secondary Power

Therefore, Vp * Ip = Vs * Is

                  114 * 6 = 29 * Is

                   684 = 29 Is

                   Is = 23.5 Amperes

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A person is submerged of about 97.9%

The average density of the human body is given as

[tex]979kg/m {}^{3} [/tex]

What is Law of Floating?

Law of floating can be defined as the volume of the liquid

displaced when a body floats on the liquid surface is equal to the body submerged in water.

As body has the stable equilibrium state,the buoyant of the fluid will be equal to the weight.

weight of the body floating=weight of the body immersed in fluid

Law of floating=Density of the floating object/density of fluid

As fluid is the freshwater here,the density of fluid will be

[tex]1000kg/m {}^{3} [/tex]

[tex] = (979kg/m {}^{3})/(1000kgm {}^{3} )[/tex]

=97.9%

A person is submerged when floating gently in fresh water about 97.9%

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Boyle's Law

As weight was added to the top of a syringe, the volume of the air trapped in the syringe decreased. The weight and the surface area of the plunger were used to calculate pressure. As more weight was added, the pressure increased. The volume decreased in response.

As the pressure on a gas increases, the volume of the gas decreases because the gas particles are forced closer together. Conversely, as the pressure on a gas decreases, the gas volume increases because the gas particles can now move farther apart

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Answer:yes

Explanation:

Sample Justification: As weight was added to the top of a syringe, the volume of the air trapped in the syringe decreased. The weight and the surface area of the plunger were used to calculate pressure. As more weight was added, the pressure increased. The volume decreased in response.

then

yes and yes

The change in heat q for the aluminum cup is 141 J.  

A substance's heat capacity is the amount of heat needed to increase its overall temperature by one degree. The heat capacity is known as the specific heat capacity or the specific heat if the substance's mass is unity.

change in heat -

The amount of heat Q that is transported to create a temperature shift depends on the substance and phase involved, the mass of the system, and the magnitude of the temperature change. (A) The temperature change and the amount of heat transported are directly inversely related.

The answer's sign dig is determined by a calculation's lowest sign digits.

The solution will need 3 digits because the temperatures are provided with 3 significant digits and the specified heat has 3 significant digits (the mass has 4 significant digits).

31.91 g   * 0.903 J/g-C  *  (26.1 - 21.2 C) = 141 J

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When a small force is applied to a gyro, the result will instead occur 90 degrees ahead of that point, in the direction of rotation. this principle is known as: Precession

Precession is a shift in the direction of a rotating body's rotational axis. It can be described as a modification of the first Euler angle in the proper reference frame, while the rotation itself is defined by the third Euler angle. In other terms, a body is said to be precessing about a second axis if its own axis of rotation is spinning about that second axis. Nutation is a motion in which the second Euler angle varies. Precession can be either torque-free or torque-induced in physics.

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The speed of the particle after 10 seconds is, 25.88m/s.

To find the answer, we have to know more about the equations of motion.

                          [tex]m=16kg\\u=10m/s\\t=10s\\f=25N[/tex]

                        [tex]ma=f\\a=\frac{f}{m} =\frac{25}{16}=1.6m/s^2[/tex]

           [tex]S=ut+\frac{1}{2}at^2=(10*10)+(\frac{1.6*10^2}{2})=178.13m[/tex]

                [tex]v=\sqrt{u^2+2aS} =\sqrt{10^2+(2*1.6*178.13)} =25.88m/s[/tex]

Thus, we can conclude that, the speed of the particle after 10 seconds is, 25.88m/s.

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The recessional velocity of a galaxy at a distance of 180 mpc will be 70 km/sec

Hubble's law, which says simply that a galaxy's velocity (or as is sometimes plotted, its redshift) is directly proportional to its distance, also tells us something important about the state of the universe. If the universe is static and unchanging, there should be no correlation between distance and velocity.

Recessional velocity is the rate at which an extragalactic astronomical object recedes (becomes more distant) from an observer as a result of the expansion of the universe. It can be measured by observing the wavelength shifts of spectral lines emitted by the object, known as the object's cosmological redshift.

Recessional velocity = Hubble's  constant *  distance

                                  = 70 km/sec/Mpc * 180 Mpc

                                  = 70 km/sec

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Answer:

length

Explanation:

Answer:

1). average velocity= displacement/time

= here displacement is zero

= 0/1

= 0 m/s

2). average speed= total distance/time

=2πr/1

=(2×22/7×5/10)/1

22/7

3.14 km/h

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Explanation:

Answer:

[tex]\sf \fbox{speed = 3.14 kmph}[/tex]

Explanation:

Given:

Radius of circular field (r) = 0.5 Km

Time taken to complete one round of field (t)= 1 hour

To find:

Average speed for the whole journey=?

Solution:

To find the average speed we will have to find the actual distance covered in given time, & the actual distance covered would be equal to the

[tex] \sf \: perimeter \: of \: circular \: field = 2 \pi r \\ \sf 2 \pi r = 2 \times 3.14 \times 0.5 = 3.14 \: km[/tex]

Distance covered in 1 hour is 3.14 km,

[tex]\small \sf Average \: speed = \frac{Distance}{Time} = \frac{3.14}{1} \\ \small \sf \fbox{speed = 3.14 kmph}[/tex]

[tex] \small\sf \: Thanks \: for \: joining \: brainly \: community! [/tex]

The time passed on earth is  mathematically given as

t' = 24.79 hrs

Generally, the equation for is time  mathematically given as

[tex]t' = \gamma t[/tex]

Where

[tex]\gamma = Lorentz\ factor \\\\\gamma = 1/ \sqrt {(1 - v^2/c^2)}[/tex]

[tex]t' = t/ \sqrt {(1 - v^2/c^2)}[/tex]

Therefore

[tex]t' = 24/ \sqrt {(1 - (0.25c/c)^2) }[/tex]

[tex]t'= 24/ \sqrt {(1 - 0.25^2)[/tex]

t' = 24.79 hrs

In conclusion, the time passed on earth

t' = 24.79 hrs

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The average current density is 7.6 × 10⁵ A/m².

To calculate the current density current will be 2.4 A.

Diameter of a wire = 2mm.

The cross-sectional area of the wire is given by r = d/2

where r is the radius of the wire.  

Then, the cross-sectional area is = 0.00000314159265

                                                                   = 3.1 × 10⁻⁶ m².

         Consider a current carrying conductor, the current density depends upon  the current flow in the conductor. If the current flow in the conductor will be high then the current density will also be high. Using the average current flowing through the conductor, the average current density will be found.

Average current density j = I / A Ampere/ meter².

By substituting the values in the formula,

             j = 2.4 / ( 3.1 × 10⁻⁶)

               = 7.6 × 10⁵ A/m².

Hence, the current density can be calculated.

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Southern hemisphere winds moving surface water 90 degrees to the left of the direction of the wind is a true statement.

This is referred to as the natural movement of air and other gases present in the atmosphere.

In the southern hemisphere, the surficial ocean waters which are moved by wind will result in a net perpendicular leftward movement to it thereby making it the most appropriate choice.

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Answer:

Proportional

Explanation:

The conditions that must be met to produce SHM are;

-The restoring force must be proportional to the displacement and act opposite to the direction of motion with no drag forces or friction.

- The frequency of oscillation does not depend on the amplitude.

The effective lever arm will be enhanced if we utilize a big diameter string.

The perpendicular distance from the axis of rotation to the force's line of action is specified as the lever arm.

When a big diameter string is utilized, the effect of the diameter on the string of the lever arm will be enhanced.

This is due to the reason that if the radius of the pulley is R and the radius of the string is r, then the effective lever arm becomes R+r.

If the radius,r of the string is very minute such that its addition to the radius of the pulley, R will hardly make a change to the effective lever arm, then it is avoided. However, if the radius of the string is a big number then it can not be avoided as it can make significant errors in the calculation of the effective lever arm.

Hence, The effective lever arm will be enhanced if we utilize a big diameter string.

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The magnitude of the change in the car's momentum during the turn is

[tex] = 1.9 \times 10 {}^{3} kgm/s[/tex]

What is momentum?

Momentum can be defined as "mass in motion." All objects have mass,so if an object is moving, then it has momentum - it has its mass in motion.

Given:

V1=21m/s

V2=24m/s

m=600kg

To Find:

momentum

Now using Pythagoras theorem

[tex]f = ((600)(21)) {}^{2} + ((600)(24)) {}^{2} [/tex]

[tex]f = \sqrt{1.59 \times 10 {}^{8} + 2.07 \times 10 {}^{8} } [/tex]

[tex] = 1.9 \times 10 {}^{3} kgm/s[/tex]

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When conducting a hypothesis test there are two possible decisions  that you can make: reject the null hypothesis or fail to reject the null hypothesis.

A statistical hypothesis test is a method of statistical inference used to decide whether the data at hand sufficiently support a particular hypothesis. Hypothesis testing allows us to make probabilistic statements about population parameters.

When conducting a hypothesis test there are two possible decisions: reject the null hypothesis or fail to reject the null hypothesis. You should remember though, hypothesis testing uses data from a sample to make an inference about a population. When conducting a hypothesis test we do not know the population parameters. In most cases, we don't know if our inference is correct or incorrect.

When we reject the null hypothesis there are two possibilities. There could really be a difference in the population, in which case we made a correct decision. Or, it is possible that there is not a difference in the population (i.e.,  is true) but our sample was different from the hypothesized value due to random sampling variation. In that case we made an error. This is known as a Type I error.

When we fail to reject the null hypothesis there are also two possibilities. If the null hypothesis is really true, and there is not a difference in the population, then we made the correct decision. If there is a difference in the population, and we failed to reject it, then we made a Type II error.

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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:

Heat Input = Work Output       (at 100% efficiency)

ΔQ = ΔW

(you cannot get something for nothing)

To determine whether a celestial body is approaching or receding from Earth, astronomers employ The Doppler principle.

There is a Doppler effect for both light and sound.

For instance, astronomers regularly measure the amount to which a star or galaxy's light is "stretched" towards the lower frequency, red region of the spectrum to calculate how quickly the object is travelling away from us.

A wave's frequency changes in response to an observer moving in respect to the wave source, which is known as the Doppler effect or Doppler shift.

The Doppler effect results from the fact that as the wave source moves in the direction of the observer, the crest of each succeeding wave emerges from a location that is closer to the observer than the crest of the previous wave.

As a result, each wave travels to the observer slightly faster than the one before it. As a result, the interval between successive wave crests arriving at the observer is shorter, increasing the frequency.

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The day of the year that has the greatest amount of insolation is June 20 or 21, and December 21 or 22 in the Southern Hemisphere.

Solar radiation that enters the Earth's atmosphere or surface is known as insolation. Only around 52% of this insolation reaches the surface of the earth. The remainder is reflected by the Earth's surface and dispersed by airborne particles, or it is absorbed by water vapor, dust, and clouds.

The portion of Earth south of the equator, a hypothetical horizontal line that circles the planet halfway between its poles, is known as the southern hemisphere. The Northern Hemisphere sees its peak insolation and summer on June 21 as a result of the Earth's continuous motion, with the highest overhead sun now over the Tropic of Cancer (23.5° N).

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