Baby Suzanna is 2 months old. Her mom places a red block about one foot in front of her. Suzanna most likely Multiple Choice can see the object and distinguish its color. Cannot see the object at that distance. Can see the object and recognize its dimensionality. Can see the object but cannot distinguish its color

Answer:

here

Explanation:

see in picture! hereee

Answer:

-1.6

Explanation:

e2021

The Height of an Image for a Convex Mirror is calculated by using magnification equation

m = h(i) / h(o)  = − d(i) / d(o) ,where  

the magnification index of the mirror, m

the height of the object, h(o)

the height of the image, h(i)

the distance between the object and the mirror, d(o)

the distance between the image and the mirror, d(i)

h(i)/ 2 = -8 / 10

h(i) = -1.6 cm.

"Convex Mirror is a curved mirror where the reflective surface bulges out towards the light source. This bulging out surface reflect light outwards and are not used to focus light."

"The formula for magnification is m=h(i)/h(o)=-d(i)/d(o). m is the total magnification; h(i) is the height of the image; h(o) is the height of an object; d(i) is the distance from the lens to the in focus projected image; d(o) is the distance of the object to the lens. The negative sign represents that the image is inverted."

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Answer:

“The only true wisdom is in knowing you know nothing.” ― Socrates. Socrates had it right. Remain humble and appreciate the fact that you don't know everything. ... Thankfully, one's search for knowledge has no end as there is always something new to learn, giving one's life meaning and purpose.

Explanation:

Answer:

knowing wisdom cool

Explanation:

lol

Two conducting plates make up an even electric field. These plates are endlessly wide and have opposing charges. Uneven electric fields are not present because infinitely wide conducting plates do not exist.

a field where the field strength value is constant throughout. For instance, two parallel charged plates have a consistent electric field around them. The field is not consistent at the ends of the plates.

strength of the electric field

A voltage applied between two conductive plates in a straightforward parallel-plate capacitor produces an even electric field between the plates. In a capacitor, the electric field strength is inversely proportional to the applied voltage and directly proportional.

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Answer:

a) 588.235 ohm ( all the 3 resistors are in parallel )

b) 10 A

c) Current flowing -

in 20 ohm resistor = 6.25 A

in 100 ohm resistor = 1.25 A

in 50 ohm resistor = 2.5 A

d) Voltage drop across all the resistor = 125 V

(As all the resistors are in parallel all the resistors will have the same voltage drop )

e) Power dissipated -

in 20 ohm resistor = 781.25 W

in 100 ohm resistor = 156.25 W

in 50 ohm resistor = 312.5 W

(Power = Current × Potential Difference)

Answer:

this is actually

Explanation:

6 points

Answer:

helppppp

Explanation:

Answer:

A

Explanation:

The voltmeter reads 154 volts when using a 22-turn coil, as each turn multiplies the voltage by the number of turns.

When using a single thick copper wire connected to a voltmeter around a region of time-varying magnetic flux, the voltmeter reads 7 volts.

However, when you replace that single wire with a coil containing 22 turns, the voltage reading increases due to the additive effect of the induced voltage in each turn.

This is based on Faraday's law of electromagnetic induction.

So, with 22 turns, the total voltage induced in the coil is 22 times the voltage of a single turn.

Thus, the voltmeter would read 22 x 7 volts = 154 volts when using a 22-turn coil.

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Answer:

your total displacement is 2 miles north

Explanation:

Answer:

86.1125 meters

Explanation:

Here is what we are given:

Initial Velocity - 0 m/s

Acceleration - 2.5 \(m/s^2\)

Time - 8.3 s

We can use this motion equation. This equation is derived from one of the common kinematics equations. It may not look familiar.

\(x=0.5t^{2}a\)

We can now substitute our values into the equation.

\(x=0.5*8.3^{2}*2.5\)

\(x=0.5*68.89*2.5\)

\(x=86.1125\)

Answer:

\({FY} = \dfrac{3}{4} \times FX\)

Explanation:

The parameters given for the planets are;

The mass of planet X = M and the radius of planet X = R

The mass of planet Y = 3·M and the radius of planet Y = 3·R

The magnitude of the gravitational force of the planets on their satellites are given by the following equation;

\(F=G \times \dfrac{M_{1} \cdot m_{2}}{R^{2}}\)

Where;

M₁ = The mass of the first object = The mass of the planet

m₂ = The mass of the second object = The mass of the satellite

R = The distance between the centers of the two planets = The distance between the center of the planet and the satellite

G = The universal gravitational constant

The force between planet X and the satellite in its orbit = \(FX=G \times \dfrac{M \times m}{(2 \cdot R)^{2}} = G \times \dfrac{M \times m}{4 \cdot R^{2}}\)

The force between planet Y and the satellite in its orbit = \(FY=G \times \dfrac{3\cdot M \times m}{(4 \cdot R)^{2}} = G \times \dfrac{3\cdot M \times m}{16 \cdot R^{2}} = G \times \dfrac{ 3\cdot M \cdot m}{16 \cdot R^{2}}\)

Therefore;

\(\dfrac{FY}{FX} = \dfrac{G \times \dfrac{ 3\cdot M \cdot m}{16 \cdot R^{2}}}{G \times \dfrac{M \times m}{4 \cdot R^{2}}} = \dfrac{3}{16} \times \dfrac{4}{1} = \dfrac{3}{4}\)

\({FY} = \dfrac{3}{4} \times FX\)

The resistance is the property of the resistors that helps to determine the amount of current flowing through the circuit with the given volatge source by the ohm's law,

where I is the current, V is the volatge, R is the resistance,

On the other hand, to control the flow of current in the circuit, resistor are connected. As the resistor decrease the value of current depending upon the value of resistance of the resistor.

Hence, 1st option ( Resistance, resistor) is the correct answer.

Answer:

Aspergillus oryzae or Aspergillus sojae is inoculated onto steamed soybeans and roasted wheat to produce koji

Explanation:

Aspergillus oryzae or Aspergillus sojae is inoculated onto steamed soybeans and roasted wheat to produce koji. The koji is then mixed with water and salt (approx. 17%, w/v) and is fermented for 6–12 months. The fermented product is then pressed to produce the fermented juice, shoyu.

The amount of heat required to raise the temperature of 10 g of water through 2°C is 83.68 Joules.

To determine the amount of heat required to raise the temperature of 10 g of water through 2°C, we will use the formula:Q = m × c × ΔT

Where Q is the amount of heat required, m is the mass of the substance being heated, c is the specific heat capacity of the substance, and ΔT is the change in temperature.

So, for 10 g of water, the mass (m) would be 10 g.

The specific heat capacity (c) of water is 4.184 J/(g°C), so we'll use that value.

And the change in temperature (ΔT) is 2°C.

Substituting these values into the formula, we get:Q = 10 g × 4.184 J/(g°C) × 2°CQ = 83.68 Joules

Therefore, the amount of heat required to raise the temperature of 10 g of water through 2°C is 83.68 Joules.

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A battery is an electrochemical device that generates electricity from a chemical reaction. It typically consists of two electrodes, an anode and a cathode, separated by an electrolyte, which is a solution or medium that conducts ions.

The chemical reaction between the electrodes and the electrolyte generates a flow of electrons, which can be harnessed to power electrical devices.The flow of electrons generated by the chemical reaction in a battery is a one-way process and cannot be reversed. When the battery is connected to a circuit, the electrons flow from the anode to the cathode, producing an electrical current.

However, the reverse flow of electrons, from the cathode to the anode, cannot be achieved by simply reversing the direction of the current. This is because the chemical reaction that generates the flow of electrons is not reversible.Different types of batteries use different chemical reactions to generate electricity. For example, alkaline batteries use zinc as the anode and manganese dioxide as the cathode, while lead-acid batteries use lead as the anode and cathode and sulfuric acid as the electrolyte.

Lithium-ion batteries, which are commonly used in portable electronic devices, use lithium ions as the charge carriers and graphite as the anode.In conclusion, a battery is an electrochemical device that generates electricity from a chemical reaction and cannot be run in reverse. The chemical reaction is a one-way process that generates a flow of electrons from the anode to the cathode, producing an electrical current that can be used to power electrical devices.

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Assuming a constant rate of Earth's rotation and neglecting any axial tilt effects, Rigel, a star, would rise approximately 4 minutes earlier each day. Therefore, if Rigel rises at 6 PM today, it would rise at around 5:56 PM tomorrow. In one month, comprising roughly 30 days, Rigel would rise approximately 2 hours earlier, at around 4 PM. These calculations are based on the assumption that the observer's location on Earth remains constant, and no other factors, such as atmospheric conditions or the star's own motion, significantly affect the timing of Rigel's rise.

The Earth rotates approximately once every 24 hours, causing the stars to appear to rise and set each day. This rotation rate is relatively constant over short timescales. Therefore, if a star rises at a specific time on a given day, it will rise approximately 4 minutes earlier the following day, as 24 hours divided by 60 minutes gives an average of 4 minutes per minute of Earth rotation. Multiplying this by the number of days in a month (30) results in approximately 2 hours earlier for the star's rise time.

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The rotational speed of the motor 3 in rpm. b. 92

The figure shows a hydraulic circuit that uses three chain conveyors. The torque that drives the motors is T: =1500 N.m. T2 =700 Nm and, T3 = 300Nm.The volumetric flow rate produced by the pump is 6.3 liters per minute. The displacement volume of the motors is V01 =1000 cm3/rev. V02 =1000 cm3/rev and, V09 =500 cm3/rex.

The motors have a volumetric efficiency of 0.9 and an overall efficiency of 0.85. The leakage of hydraulic motors 1 and 3 is internal completely, while the leakage of hydraulic motor 2 is external completely.The orifice of the flow control valve has a diameter of 0.5 mm. The capacity coefficient of the needle valve is 0.7.

The pressure losses through the pipes are ignored. The volumetric flow rate through the needle valve is Q = C × A2 × ΔP / ρ where C is the capacity coefficient, A is the area of the orifice, ΔP is the pressure difference through the needle valve, and ρ is the density of the fluid. The density of the oil used in the hydraulic system is 860 kg/m3. We need to determine the rotational speed of motor 3 in rpm.

So,Let’s first determine the volumetric flow rate required by hydraulic motor 3. Using the expression of volumetric flow rate through the needle valve, we have Q = C × A2 × ΔP / ρ… (i)We are given that the capacity coefficient of the needle valve is 0.7. Its orifice diameter is 0.5 mm.

Hence, the area of the orifice is given byA2 = π d2 / 4where d is the diameter of the orifice. So, A2 = π × (0.5 mm)2 / 4 = 0.196 mm2 = 1.96 × 10-7 m2Using equation (i), we haveQ = C × A2 × ΔP / ρNow, we will calculate ΔP. To do this, we need to determine the flow rates Q1, Q2, and Q3.Let Q’ be the total volumetric flow rate through the system.

Since the overall efficiency of the system is given as 0.85, we haveQ’ = 0.85 × 6.3 l/min = 5.355 l/min = 5.355 × 10-3 m3/minWe know that the volume of fluid passing through the hydraulic motors is equal to their displacement volume multiplied by the number of revolutions per unit time.So, we haveQ1 = V01 × n1 … (ii)Q2 = V02 × n2 … (iii)Q3 = V03 × n3 … (iv)where V01, V02, and V03 are the displacement volumes of hydraulic motors 1, 2, and 3, respectively.

We are given that V01 = V02 = 1000 cm3/rev and V03 = 500 cm3/rev, which gives V01 = V02 = 1 × 10-6 m3/rev and V03 = 0.5 × 10-6 m3/rev.Substituting equations (ii), (iii), and (iv) in equation (i), we haveQ = C × A2 × (Q1 + Q2 - Q3) / ρSolving for Q3, we getQ3 = (Q1 + Q2 - Q) / C × A2 × ρPutting the given values in the above expression, we haveQ1 = V01 × n1 = (1 × 10-6 m3/rev) × n1Q2 = V02 × n2 = (1 × 10-6 m3/rev) × n2Q3 = V03 × n3 = (0.5 × 10-6 m3/rev) × n3Q = 5.355 × 10-3 m3/min = 5.355 × 10-3 / 60 m3/s = 8.925 × 10-5 m3/sA2 = 1.96 × 10-7 m2C = 0.7ρ = 860 kg/m3

Substituting the above values, we get8.925 × 10-5 = (1 × 10-6 × n1 + 1 × 10-6 × n2 - 0.5 × 10-6 × n3) / (0.7 × 1.96 × 10-7 × 860)Solving for n3, we have n3 = 91.6 rpmSo, the correct option is b. 92.

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The direction of the current in the current-carrying wire that produces the field indicated in the figure is given below.

Conventionally, a positive charge would go in the same direction as an electric current. As a result, the battery's positive terminal receives less current in the external circuit than its negative counterpart. Indeed, electrons would go in the reverse direction across the cables.

According to Fleming's right-hand rule gives which direction the current flows. The right hand is held with thumb, index finger & middle finger mutually perpendicular to each other. The thumb is pointed in direction of motion to magnetic field of conductor relative to magnetic field.

(A) from right hand rule direction of current is towards left.

(B) Out of the Screen.

(C) Lower left to upper right.

According to Fleming's Right Hand Rule, if the thumb, forefinger, and middle finger are arranged in a straight line on the right hand, the thumb will point in the direction of the conductor's motion in relation to the magnetic field, the forefinger will point in the direction of the magnetic field, and the middle finger will point in the direction of the induced current.

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Full Question ;

Consider the following figures. Determine the direction of the current in the current-carrying wire that produces the field indicated in the figure. (a) * * * * * * * * * * * Bin * O out of the screen O into the screen O toward the left toward the right toward the top of the screen toward the bottom of the screen (b) O out of the screen O into the screen O toward the left toward the right O toward the top of the screen toward the bottom of the screen (C) * * * * O out of the screen into the screen lower right to upper left lower left to upper right upper right to lower left upper left to lower right

In the lab frame, the measured lifetime of a muon is 6.90 μs. The proper lifetime of the muon is given as 2.20 μs. Once we have the velocity, we can substitute it into the time dilation equation along with the proper lifetime to calculate the measured lifetime in the lab frame.

We can use the concept of time dilation to relate the two lifetimes. Time dilation occurs when an object is moving relative to an observer.

The time dilation equation is:
T_lab = T_proper / √(1 - v^2/c^2)
where T_lab is the measured lifetime in the lab frame, T_proper is the proper lifetime, v is the velocity of the muon, and c is the speed of light.

Since the muon is moving, its velocity is not zero. We can calculate the velocity using the equation:
v = √(1 - (m_electron / m_muon)^2) * c
where m_electron is the mass of an electron and m_muon is the mass of a muon.

Given that the mass of a muon is 207 times the electron mass, we can substitute this value into the equation to calculate the velocity of the muon.

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When a switch is closed, the electrons from the battery will reach the bulb at the speed of light or 299,792,458 meters per second. So, it will take approximately 3.34 x \(10^{-9}\) seconds for electrons from the battery to reach the bulb.

Electric current is the flow of electric charges. The flow of electric charges through a circuit is known as current. It is defined as the rate of flow of electric charges through a conductor. The SI unit of electric current is Ampere (A). Electric charge is a fundamental property of matter that results from an imbalance in the number of protons and electrons present in an atom or molecule. When the number of electrons is more than the number of protons, an atom or molecule is said to be negatively charged.

On the other hand, when the number of electrons is less than the number of protons, an atom or molecule is said to be positively charged. Electric potential is the work done per unit charge by an external force in moving a positive charge from infinity to a point in the electric field. The electric potential difference between two points in an electric field is the work done per unit charge by an external force in moving a positive charge from one point to another in the electric field.

The SI unit of electric potential difference is also volt (V). Therefore, , it will take approximately 3.34 x \(10^{-9}\) seconds for electrons from the battery to reach the bulb.

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Answer:

1503 km

Explanation:

Distance is speed multiply times. We can express mathematically as:

\(\displaystyle{s = vt}\)

where s is distance, v is speed and t is time. We know that speed is 501 km/h and t is 3 hours. Therefore, substitute v = 501 and t = 3 in:

\(\displaystyle{s = 501 \ \, \sf{km/h} \cdot 3 \ \, \sf{hours}}\\\\\displaystyle{s = 1503 \ \, \sf{km}}\)

Therefore, the train will be able to reach 1503 km within 3 hours.

Answer:

F+20Hz

Explanation:

If the resistance remains constant and the voltage doubles, the power will increase by a factor of 4 (option E)

The following data were obtained from the question:

P = V² / R

Resistance is constant, we have

V₁² / P₁ = V₂² / P₂

V² / P = (2V)² / P₂

V² / P = 4V² / P₂

Cross multiply

V² × P₂ = P × 4V²

Divide both side by V²

P₂ = P × 4V² / V²

P₂ = P × 4

From the above, we can conclude that the power will increase by a factor of 4 (option E)

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The tail shape of a surfboard greatly affected the board's interaction with the wave's face and the flowing of water flowing.

The tail shape of a surfboard affects how the board depends on the wave's face, and the water flowing between it. More comprehensive, thicker tail shapes have more surface area and assist the board to float and create lift - allowing the surfboard to plane over the surface of the water more efficiently.

The shape of both the surfboard and its fin swap the way the water moves around it if you can grab a wave as well as the turning ability of the surfboard.

So we can conclude that Surfboard bottom outlines are also essential. Concave and V-shaped contours have similar performances, for all opposite designs.

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Answer:

b i think

Explanation:

The thinnest soap film that appears black when illuminated with light with a wavelength of 520 nm is about 195 nm.

A natural phenomenon known as "thin-film interference" occurs when light waves reflected by a thin film's upper and lower limits collide with one another, either enhancing or weakening the light that is reflected.

First, draw the diagram. From the diagram 1 is the first reflected ray and 2 is the second reflected ray. The red circle indicates the phase change. The first ray experience phase change but the second ray doesn't experience phase change.

Therefore, the thickness of the soap bubble is given by the thin-film interference formula,

\(\begin{aligned}2t& = m\lambda_{soap}\\t&=\frac{m\lambda_{soap}}{2}\\\lambda_{soap}&=\frac{2t}{m}\end{aligned}\)

From Snell's law, we know that n₁λ₁=n₂λ₂, where λ is the wavelength and n is the index of refraction.

Then, for the soap film, \(n_{air}\lambda_{air}=n_{soap}\lambda_{soap}\).

We know that n (air) is 1. From this,

\(\begin{aligned}\lambda_{soap}&=\frac{\lambda_{air}}{n_{soap}}\\\frac{2t}{m}&=\frac{\lambda_{air}}{n_{soap}}\\t&=\frac{m\lambda_{air}}{2n_{soap}}\end{aligned}\)

Excluding the case of zero thickness, substitute m=1 for the first destructive interference.

Then, the smallest thickness is,

\(\begin{aligned}t&=\frac{\lambda_{air}}{2n_{soap}}\\&=\frac{520}{2\times1.33}\\&=\mathrm{195\;nm}\end{aligned}\)

The answer is 195 nm.

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Collected data plays a crucial role in evaluating whether the criteria for success have been met. By analyzing the collected data, one can assess the progress made towards achieving the desired goals and determine if the criteria have been fulfilled.

Data provides an objective measure of performance or outcomes, allowing for an evidence-based assessment of success. It helps to quantify and track key metrics or indicators related to the criteria for success. By comparing the actual data with the predetermined benchmarks or targets, one can determine if the criteria have been met or if further improvements are required.

Data analysis also enables the identification of trends, patterns, and correlations, providing insights into the factors influencing success. It helps in identifying areas of strength and areas that need improvement. Additionally, data can be used for comparative analysis, benchmarking against previous periods or similar projects, to gain a broader perspective on success.

In summary, collected data provides an objective basis for evaluating progress and success by comparing actual performance against predetermined criteria, identifying areas of improvement, and gaining insights for future decision-making.

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Answer:

Fossil fuels are of great importance because they can be burned (oxidized to carbon dioxide and water), producing significant amounts of energy per unit mass. The use of coal as a fuel predates recorded history. Coal was used to run furnaces for the smelting of metal ore.