An LC circuit has a capacitance of 30 μ

μF and an inductance of 15 mH. At time t = 0, the charge on the capacitor is 10 μ

μC, and the current is 20 mA. The maximum current is what? Show work

Answer:

Solution,

Displacement(s)=200 m

Initial velocity (u)=?

Final velocity(v)=0 m/s^2

acceleration due to gravity(g)=-9.8 m/s^2

now,

\( {v}^{2} = {u}^{2} + 2as \\ {(0)}^{2} = {u}^{2} + 2 \times ( - 9.8) \times 200 \\ {u}^{2} = 2 \times 9.8 \times 200 \\ {u}^{2} = 3920 \\ u = \sqrt{3920} \\ u = \sqrt{ {62.6}^{2} } \\ u = 62.6 \: metre \: per \: second\)

Again,

Finding time taken,

\(v = u + at \\ t = \frac{v - u}{a} \\ = \frac{0 - 62.6}{ - 9.8} \\ = \frac{ - 62.6}{ - 9.8} \\ = 6.39 \: seconds\)

Hope this helps...

Good luck on your assignment...

A 25.5 kg video cart is rolled down a hallway. It is accelerated at 0.12 m/s2. If a force of 30 N is applied to move the cart . The wheels have 26.4 N  force of friction against the floor

Force of friction is that force  that resists the sliding or rolling of one solid object over another

F(applied) - friction = F net

30 - fr = mass * acceleration

30 - fr  = 25.5  *  0.12  

fr = 30 - 3.06

  = 26.4 N

The wheels have 26.4 N  force of friction against the floor

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a) The image distance for this lens is approximately 0.20004 meters.

b) The image height of the 950m high cliff is approximately 2 centimeters.

a) To find the image distance (v) for a 200mm focal length (f) telephoto lens photographing mountains 9.5km away (object distance, u = 9,500m), we can use the thin lens formula:

1/f = 1/u + 1/v

Rearrange the formula to solve for v:

1/v = 1/f - 1/u

1/v = 1/0.2 - 1/9500 ≈ 4.9989

v ≈ 1/4.9989 ≈ 0.20004 meters

So, the image distance for this lens is approximately 0.20004 meters.

b) To calculate the image height (h') of a 950m high cliff (object height, h), we first find the magnification (M) using the formula:

M = -v/u

M = -0.20004/-9500 ≈ 0.00002105

Now, to find the image height, we multiply the magnification by the object height:

h' = M * h

h' = 0.00002105 * 950 ≈ 0.02 meters or 2 centimeters

Therefore, the image height of the 950m high cliff is approximately 2 centimeters.

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Answer:

the answer is D

Explanation:

Answer:

The answer is D

Explanation:

yes

The whole blood collected from a donor should remain at option (a) a. 20°C to 24°C. temperature before the separation and preparation of platelet concentrates

Whole blood collected from a donor should be kept at a temperature of 20°C to 24°C before the separation and preparation of platelet concentrates. This temperature range is known as the "room temperature" range and is ideal for maintaining the viability and function of platelets.

If the temperature is too low (i.e., below 20°C), the platelets can become activated and lose their function, leading to reduced efficacy. If the temperature is too high (i.e., above 24°C), the risk of bacterial growth and contamination increases, which can compromise the safety of the platelet concentrate.

It's important to note that the temperature range may vary slightly depending on the specific facility and its protocols, but generally, the room temperature range is considered optimal for the preparation of platelet concentrates.

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A solar photovoltaic cell works by the conversion of photon energy to electricity.

It is typically made of semiconductors such as silicon or gallium and the semiconductors are able to absorb light energy and release electrons, which creates an electric current. This current is in the form of direct current (DC) and is typically used to power small devices or stored in a battery. However, to power larger devices or homes, the DC current needs to be converted to alternating current (AC) using an inverter. Solar panels are made up of multiple photovoltaic cells connected in series or parallel to create a larger solar panel. While solar panels can store energy in batteries, they are not typically used in this way. Instead, excess energy is sent back to the grid or stored in a net metering system for later use.

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Answer:

B and D

Explanation:

B (not the answer choice) is a hyperbole

Optical devices B and D can form only virtual images. Option C is correct.

When light beams from an object reflect off a mirror, they intersect with the picture of that thing, called an image. Real and virtual images are the two sorts of images.

The following parameters can be used to describe an image:

1. It is possible for an image to be real or virtual.

2. Left-right reversal is possible or not.

3. The image can be inverted or upright.

4. The image can be enlarged, shrunk, or made the same size as the object.

The image characteristic is described by the descriptive words will be;

1. image type.

2. image orientation.

3. image location.

4. image size.

Optical devices B and D can constitute only virtual images.

Hence, option C is correct.

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Without a specific circuit provided, it is difficult to estimate how the phase difference would change when the value of ω changes from zero to infinity.

The phase difference is dependent on the specific circuit components and their respective impedances.

In general, the phase difference between voltage and current in a circuit with inductive or capacitive elements can change significantly as the frequency (or angular frequency ω) changes.

For example, in a simple series circuit consisting of a resistor and an inductor, the phase difference between the voltage and current is zero at DC (ω=0) and approaches 90 degrees as ω approaches infinity.

In contrast, for a series circuit with a resistor and capacitor, the phase difference starts at 90 degrees at DC and approaches zero as ω approaches infinity.

Therefore, it is important to analyze the specific circuit and its components to determine how the phase difference would change as ω changes from zero to infinity.

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Explanation:

We can hear sound by our ears. Sound will be produced when two objects vibrate each other.

Answer:

Photosynthesis converts solar energy into chemical energy.

your answer is solar energy

hope it helps

1. set up the equation

2. multiply the variables

3. analyze your results

Answer:

THIS DUE TO THE THIRD LAW OF MOTION.

AS WE PUSH WATER BACKWARD THE WATER WITH SAME FORCE BUT EQUAL DIRECTION PUSHES US SO WE GO IN FORWARD DIRECTION.

Explanation:

While swimming a person pushes water backward because the pushing action create reaction due to which we move forward while swimming.

The presence of a magnetic field does not directly alter the wavelength of electromagnetic radiation. However, magnetic fields can indirectly affect the behavior of charged particles, which can lead to changes in the emitted or absorbed wavelengths of light.

The wavelength of electromagnetic radiation is primarily determined by the frequency of the wave and the speed of light in a vacuum, which are intrinsic properties of the wave itself. The magnetic field, on its own, does not have a direct effect on these fundamental properties. Therefore, in the absence of any other factors, the presence of a magnetic field does not increase or decrease the wavelength of electromagnetic radiation.

However, the behavior of charged particles in the presence of a magnetic field can be influenced, which can indirectly impact the wavelength of light emitted or absorbed by those particles. For example, when charged particles move in a circular path under the influence of a magnetic field, such as in a cyclotron, they emit radiation known as cyclotron radiation. This radiation is characterized by a specific wavelength determined by the properties of the particles and the strength of the magnetic field.

In addition, magnetic fields can cause a phenomenon called Zeeman splitting, which occurs when the energy levels of atoms or molecules are affected by the magnetic field. This splitting results in the emission or absorption of light at slightly different wavelengths, known as the Zeeman effect. This effect can be observed in certain situations, such as in the spectra of stars or in laboratory experiments involving magnetic fields.

In summary, while the magnetic field itself does not directly impact the wavelength of electromagnetic radiation, it can affect the behavior of charged particles and subsequently lead to changes in the emitted or absorbed wavelengths of light.

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Answer:

2.3 x 10-13 F

Explanation:

From the question,

Applying

C = e₁e₂A/d..................... Equation 1

Where C = Capacitance of the capacitor, d = distance of seperation, A = cross sectional area of the capacitor, e₁ = permitivity of free space, e₂ = relative permitivity of vacuum.

But,

Area of a circle (A) is given as

A = πr²................... Equation 2

Where r = radius of the capacitor.

Substitute equation 2 into equation 1

C = e₁e₂πr²/d............... Equation 3

Given: r = 2.5 mm = 0.0025 m, d = 0.75 mm = 0.00075 m

Constant; e₁ = 8.85×10⁻¹² F/m, e₂ = 1 F/m, π = 3.14.

Substitute these values into equation 3

C =  [(8.85×10⁻¹²)(1)( 0.0025²)(3.14)]/(0.00075)

C = 0.23×10⁻¹²

C = 2.3×10⁻¹³ F

Answer:

A

Explanation:

edge

Answer:

C. precipitation

Explanation:

if clouds store too much water from evaporation, it will rain which is precipitation

Answer:

Explained below.

Explanation:

The ball doesn't fall behind the moving cart because the horizontal motion of the ballistic cart is not affected by the forces that act in the vertical direction. Therefore, when the cart is pushed, it means that the ball will shoot up and then it will land right back in the barrel.

Answer:

b that is density at object moves

Answer:

focal length

Explanation:

This describes focal length of the beam

It will take approximately 6.34 seconds for light to travel 1.90 billion km k m.

As per the given information, we are required to calculate the time taken by light to travel 1.90 billion km k m. Let's solve this problem with the help of a formula.How much time (in seconds) does it take light to travel 1.90 billion km k m?To calculate the time taken by light to travel 1.90 billion km k m we will use the formula:Time = Distance/Speed

Where, Distance = 1.90 billion km k m, Speed of light = 299,792,458 m/s.Put the values in the above formula:Time = 1.90 × 109 × 1000 × 1000 m / 299,792,458 m/s.

Time = 6.34 seconds.

Therefore, it will take approximately 6.34 seconds for light to travel 1.90 billion km k m.

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Given the following data:Time [s] 0 1 2 3 4 5 6 7 8 9 10Temp [F] 62.5 68.1 76.4 82.3 90.6 101.5 99.3 100.2 100.5 99.9 100.2To find the temperature at 2.7 seconds using linear interpolation. The temperature at 2.7 seconds using cubic splines is approximately \(77.82°F.\)

so let's use cubic splines to estimate the temperature at 2.7 seconds.Using the provided ex5_7.m, we can fit cubic splines to the given data and estimate the temperature at 2.7 seconds.

The code is as follows:

```matlab% Given dataT = [0 1 2 3 4 5 6 7 8 9 10];

% Time (s)Tq = [0 1 2 3 4 5 6 7 8 9 10];

% Query timeT = T';

% Convert to column vector

Tq = Tq'; %

Convert to column vectory = [62.5 68.1 76.4 82.3 90.6 101.5 99.3 100.2 100.5 99.9 100.2]';

% Temperature (F)% Fit cubic splinesp = spline(T,y);

% p contains the coefficients of the cubic splines% Evaluate temperature at 2.7 secondsty = ppval(p,2.7);

% Estimate temperature at 2.7 second

```Here, the \(`spline`\)function fits cubic splines to the given data and returns the coefficients of the cubic splines in\(`p`.\)

The \(`ppval`\) function is then used to estimate the temperature at 2.7 seconds, which is stored in \(`ty`.\)

Evaluating the code, we get:```matlabty =\(77.8186```\)

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Gas X, when held in a sealed chamber at STP, will have an approximate volume of 22.4 L.

At STP (Standard Temperature and Pressure), which is defined as 0 degrees Celsius (273.15 Kelvin) and 1 atmosphere of pressure, one mole of any ideal gas occupies a volume of 22.4 liters. This is known as the molar volume of a gas. It is a constant value that allows us to easily calculate the volume of a given amount of gas at STP.

The molar volume of 22.4 liters can be derived from the ideal gas law equation, PV = nRT, where P is the pressure, V is the volume, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature. At STP, the pressure is 1 atmosphere, and if we assume we have one mole of Gas X, we can rearrange the equation to solve for V:

V = (nRT) / P

Substituting the values for STP (n = 1 mole, R = 0.0821 L·atm/mol·K, P = 1 atm, T = 273.15 K) into the equation, we get:

V = (1 mol * 0.0821 L·atm/mol·K * 273.15 K) / 1 atm

 = 22.4 L

Therefore, the approximate volume of Gas X in a sealed chamber at STP is 22.4 L.

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Answer:

measure what

Explanation:

?????????????

Answer:

B. Mass

Explanation:

According to the question: the units of t in the equation d = rt are seconds.

An equation is a mathematical statement that expresses the equality of two expressions or the relationship between different quantities. It usually consists of an equal sign and two expressions that are separated by the sign. Equations are used in a variety of different disciplines, including mathematics, engineering, and physics. They are used to solve problems and to analyze relationships between different variables.

This is because feet per second (r) is a unit of speed,
which is the rate at which distance is covered (d).
Since speed is the rate of change of distance over time, the units of time (t) must be seconds in order to cancel out the units of speed (feet per second). Therefore, the units of t in the equation d = rt are seconds.

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200 MeV of energy is the energy released per kilogram of fuel used. 
E1/E2=7.61=8 (E1 , E2 are energies)

U is equal to 1 kilogram or 1000 g.
There are 6.02310 23 atoms in one mole, or 235 g, of uranium. Therefore, 6.02310 23 atoms are present in 1000 g of 92/235 U.
It is understood that one atom releases 200 MeV of energy during its fission.

As a result, the energy released from the fission of one kilogram of 92/235 is given by E 2 = 6.02310 23 1000200/235 =5.10610 26 MeV E1/E2=7.61=8

In light of this, the energy released during the fusion of one kilogram of hydrogen is roughly eight times greater than the energy generated during the fission of one kilogram of uranium.

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Answer:

200 MeV of energy is the energy released per kilogram of fuel used.

E1/E2=7.61=8 (E1 , E2 are energies)

U is equal to 1 kilogram or 1000 g.

There are 6.02310 23 atoms in one mole, or 235 g, of uranium. Therefore, 6.02310 23 atoms are present in 1000 g of 92/235 U.

It is understood that one atom releases 200 MeV of energy during its fission.

As a result, the energy released from the fission of one kilogram of 92/235 is given by E 2 = 6.02310 23 1000200/235 =5.10610 26 MeV E1/E2=7.61=8

In light of this, the energy released during the fusion of one kilogram of hydrogen is roughly eight times greater than the energy generated during the fission of one kilogram of uranium.

Negative zero error describes the situation in which the vernier caliper's jaws are just closed as well as the reading deviates in the negative direction from the true reading of 0.00 mm.

The dial, digital, layout & spring, and vernier subcategories of calipers are the main ones. External measurements are taken by all four categories. The inside, step, and depth measurements are handled by others. Four-way calipers are also referred as calipers that can measure each type of quantity.

The n-1 divide on the main scale corresponds to the width n division of the graduations on the vernier scale, which is the basis for the vernier calliper. Vernier scales typically have a division count of 10.

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Answer:

hope this helps  : )

Explanation:

brainliest plz

Answer:

1 N/C

Explanation:

Please Mark Me Brainly!!

Hope This Help??

When we Click Play() the motion of a transverse wave is from left to right and when we Click Reset() the motion of a wave and hand both is left to right.

Wave motion is the regular and orderly movement of disturbances, or departures from equilibrium or rest, from one location to another. The most well-known waves are surface waves on water, but waves can also be seen in sound waves, light waves, and subatomic particle movements.

When we Click Play() the motion of a transverse wave will be from left to right but the movement of particles will be up and down and in conclusion the wave moves left and right and the hands move up and down.

Now, when we Click Reset() and choose the Longitudinal wave and increase the Amplitude to 20. 0 cm. and then  Click Play the motion of the longitudinal wave and the hand both is left to right.

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