Question 9 (1 point) A (3.72040x10^0)-μF capacitor is connected to an EMF that is increasing uniformly with time at a rate of (2.451x10^3) V/s. What is the displacement current between the plates? Ex

Answer:

The final velocity of the race car is 27.14 m/s

Explanation:

Given;

initial velocity of the race car, u = 18.5 m/s

acceleration of the race car, a = 2.47 m/s²

distance covered by the race car, s = 79.78 m

Apply the following kinematic equation to determine the final velocity of the race car.

v² = u² + 2as

v² = (18.5)² + 2(2.47)(79.78)

v² = 736.363

v = √736.363

v = 27.14 m/s

Therefore, the final velocity of the racecar is 27.14 m/s

Most crashes occur at intersections because Drivers fail to search and identify a safe path of the travel when approaching an intersection. Drivers don't identify or understand the risks. Drivers fail tp develop good driving habits to effectively manage the risks.

Most crashes occur at intersections because of the following reason:

1) Drivers fail to search and identify a safe path of the travel when approaching an intersection.

2) Drivers don't identify or understand the risks.

3) Drivers fail tp develop good driving habits to effectively manage the risks.

Thus, Most crashes occur at intersections because all of the above reason. Most crashes occur at intersections because Drivers fail to search and identify a safe path of the travel when approaching an intersection. Drivers don't identify or understand the risks. Drivers fail tp develop good driving habits to effectively manage the risks.

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Answer:

1. Reuse your bath water for plants

2. Take speedy showers.

3. Turn off the water while brushing your teeth.

4. Help fill the dishwasher.

5. Wash your apple in a bowl of water.

6. Don't wash your car often

7. Fix any leaky taps at home

8. Collect rainwater

9. Avoid the use of recreational water toys

10. Don’t fill up a water cup to the brim

Answer:

A simple machine uses a single applied force to do work against a single load force. Ignoring friction losses, the work done on the load is equal to the work done by the applied force. The machine can increase the amount of the output force, at the cost of a proportional decrease in the distance moved by the load.

Explanation:

evaporation, condensation, precipitation, runoff, collection

Answer:

1. 7,230,000

2. -8,120

3. 45.21

4. 61,240,000

5. 8,470

6. 956,300

7. 1,250,000,000

8. 63,330

9. 455,000

Its been a while since I learned this so Im really hoping that I remembered it correctly.

Answer:

B.

Explanation:

There are many factors that go into the speed that an object drops. For example, aerodynamics, weight, and other things.

Answer:

the answer is A.) Wedge

A knife to cut a piece of bread is a A. Wedge

A simple machine, any of several devices with few or no moving parts that are used to modify motion and the magnitude of a force in order to perform work.

since , a wedge is a simple machine  with two inclined planes which when put together forms a sharped edge, which forms a triangular shaped tool which can be used to separate portion of  two objects .

hence , a knife to cut a piece of bread is a A. Wedge

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The pit, from the initial dropping point, will hit the ground after traveling a horizontal distance of approximately 18.4 meters.

To find the time it takes for the pit to hit the ground, we use the equation that relates the initial vertical velocity, acceleration due to gravity, and displacement. h = (1/2) * g * t^2. Where h is the initial height (1.0 m) and g is the acceleration due to gravity (approximately 9.8 m/s^2). Solving for t, we find: t = sqrt((2 * h) / g). Next, we calculate the horizontal distance using the horizontal velocity and the time. distance = horizontal velocity * time. By substituting the given horizontal velocity of 18 m/s, we get the horizontal distance traveled by the cherry pit from its initial dropping point.

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Answer:

b. 46 km/hr

Explanation:

Applying,

S' = d'/t'................... Equation 1

Where S' = Average speed of the bus, d' = Total distance covered by the bus, t' = Total time taken.

From the question,

d' = (100+55+75) km = 230 km

t' = (2+1+2) = 5 hours

Substitute these values into equation 1

S' = 230/5

S' = 46 km/hr.

Hence the correct option is b. 46 km/hr

It is not clear how many decimal places were used to measure the mass of each square of aluminum as the question doesn't provide that information.

Additionally, it's not possible to determine which places were exact and which were estimated without knowing the measurement itself. Decimal places refer to the number of digits to the right of the decimal point when measuring a quantity. The precision of a measurement is determined by the number of decimal places used. For example, if a measurement is recorded to the nearest hundredth, it has two decimal places. If a measurement is recorded to the nearest thousandth, it has three decimal places.

Exact numbers are numbers that are known with complete accuracy. They are often defined quantities, such as the number of inches in a foot or the number of seconds in a minute. When using a measuring device, the last digit of the measurement is usually an estimate, as there is some uncertainty associated with the measurement. Therefore, it is important to record which digits are exact and which are estimated when reporting a measurement.

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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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The temperature for the blood that keeps longer is 120 K.

Temperature is a physical property of matter that quantitatively expresses the common notions of hot and cold. It is the measure of the thermal energy present in a system and is an intensive property, meaning that it is independent of the amount of material in the system. Temperature is measured in various scales, including Celsius, Fahrenheit, Kelvin and Rankine. At the molecular level, temperature is determined by the amount of thermal energy emitted from the particles in the system. In a solid, this thermal energy is transferred through the lattice structure, while in a gas, it is transferred through collisions between particles.

This is because -160°C on the Celsius scale is equivalent to 113 K on the Kelvin scale, and 4°C on the Celsius scale is equivalent to 277 K on the Kelvin scale. Therefore, the temperature of 120 K is the one that keeps the blood safe for the longest period of time.

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The electric force between two charged particles is decreased by increasing the distance and decreasing the charge of one of the particles. Thus, options A and D are correct.

The electric force or Coloumbic force between two charged particles is directly proportional to the product of charges and inversely proportional to the square of the distance between them. F = k (q₁×q₂) / r². The unit of force is Netwon.

From the Coloumbic force, the electric force is decreased by decreasing the number of charges, and the electric force is decreased by increasing the distance between the charges.

Hence, the ideal solution is options A and D.

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Answer:

b. between 2 s and 4 s

Explanation:

2-4 was both 3m/s

Answer:

because they are underaged and prob dont care and also the gov thinks that the youth cant make a reasonable decision for them selves for sum like that and the media influnces them to by saying whats going on and who supports who

Answer:

Not really, because wearing a mask can lower your immune system and covid can be caught like any other virus body contact and body fluids. So since you can still get it through those ways then you're going to get it and be worse off than if you don't wear a mask.

you can test this by not wearing a mask and see how not bad it is catching covid over getting it while you wear a mask.

Explanation:

Answer:

Yes

Explanation:

Hypothesis- if masks are used to protect yourself from Covid-19 then the spread of the virus will decrease

You could test this by:

Getting a mask and using materials such as shampoo, soap, honey, glue,  or (safe) chemicals to see how much the masks absorbs the materials. By doing so you can show how the mask can help block certain materials from entering or leaving the mask area therefore slowing the spread of Covid.

you can use formula:

\(\tt N_t=(\dfrac{1}{2}^n)N_o\\\\N_t=final\:mass\\\\N_t=initial\:mass\\\\n=number\:of\:half-life\)

Input the value:

\(15=120(\dfrac{1}{2}^n)\\\\\dfrac{15}{120}=\dfrac{1}{2}^n\\\\\dfrac{1}{8}=\dfrac{1}{2}^n\\\\\dfrac{1}{2}^3=\dfrac{1}{2}^n\Rightarrow \boxed{\bold{n=3\:half-lives}} \)

Answer:

\(31.7\:\mathrm{N}\)

Explanation:

We can use basic trig in a right triangle to solve this problem. Let the x component of the force be \(x\). We have the following equation:

\(\cos 24^{\circ}=\frac{x}{34.7},\\x=34.7\cos 24^{\circ}\approx \boxed{31.7}\)

Answer:

in case of a car crash they will prevent you from flying out of your seat (not litteraly) and keep you safer than what you would be without them!

Explanation:

to keep you safe (simple answer lol)

Answer:

Total distance /total time

The total distance traveled by the student is 12 m.

The magnitude of the displacement of the student is 4 m.

The total distance traveled by the student is 12 m. This is because the student travels a distance of 4 m to the right, then a distance of 8 m to the left, and then a distance of 4 m to the right. The total distance traveled is the sum of all the distances traveled, which in this case is 4 m + 8 m + 4 m = 12 m.

The magnitude of the displacement of the student is 4 m. The magnitude of the displacement is the distance between the student's starting point and its ending point. In this case, the student's starting point is at the origin and its ending point is 4 m to the right. The distance between these two points is 4 m.

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The expression for the pressure of a system of independent bosons and independent fermions is given below

\(KT NkTP=t Σn[1±exp(β(μ-ε,)]Vs=1\)

Where t is the sum over all states, and the plus sign and minus sign in the brackets correspond to bosons and fermions, respectively. The negative sign of kT implies that energy tends to decrease as the temperature rises. The summation is bounded, and the square brackets are non-negative, with the upper bound being 1 for bosons and 0 for fermions. Since there are N particles in total, the first term in the bracket is multiplied by N to obtain the total number of particles. Then, the sum is rearranged and simplified as follows:For bosons:

\(KT NkTP=t Σn[1-exp(-β(ε_n-μ))]Vs\\=1KT NkT|P|≤Nexp(βμ) Σn exp(-βε_n)V\)

For fermions:\(KT NkTP=t Σn[1-exp(-β(ε_n-μ))]Vs=1KT NkT|P|≤Nexp(βμ) Σn exp(-βε_n)V\)In each case, the sum is bounded and non-negative. As a result, both the expressions have a non-negative value. This implies that pressure is always positive or zero.Since the number of particles is constant, the second term is the chemical potential multiplied by the total number of particles. For bosons, chemical potential is always less than zero, whereas for fermions, chemical potential is always greater than zero. This implies that the bosonic pressure is greater than the fermionic pressure if the number of particles is constant. Hence, P_(B) > P_(F). From the great partition function, the expression for pressure of a system of independent bosons and fermions is given as,

\(KT NkTP=t Σn[1±exp(β(μ-ε,)]Vs=1\)

where t is the sum over all states, and the plus sign and minus sign in the brackets correspond to bosons and fermions, respectively. The negative sign of kT implies that energy tends to decrease as the temperature rises. The summation is bounded, and the square brackets are non-negative, with the upper bound being 1 for bosons and 0 for fermions. Since there are N particles in total, the first term in the bracket is multiplied by N to obtain the total number of particles. The expressions can be written as:

For bosons\(:KT NkTP=t Σn[1-exp(-β(ε_n-μ))]Vs=1KT NkT|P|≤Nexp(βμ) Σn exp(-βε_n)V\)For fermions:\(KT NkTP=t Σn[1+exp(-β(ε_n-μ))]Vs=1KT NkT|P|≤Nexp(βμ) Σn exp(-βε_n)V\)In each case, the sum is bounded and non-negative. This implies that pressure is always positive or zero. Since the number of particles is constant, the second term is the chemical potential multiplied by the total number of particles. For bosons, chemical potential is always less than zero, whereas for fermions, chemical potential is always greater than zero. Hence, P_(B) > P_(F)

Thus, we can conclude that for a system of N independent bosons and one of independent fermions, the pressure is given by \(KT NkTP=t Σn[1±exp(β(μ-ε,)]Vs=1\)where the plus sign and minus sign in the brackets correspond to bosons and fermions, respectively. The summation is bounded and non-negative. This implies that pressure is always positive or zero. The bosonic pressure is greater than the fermionic pressure if the number of particles is constant.

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Answer:

3136 Joules

Explanation:

Applying,

P.E = mgh.............. Equation 1

Where P.E = potential energy, m = mass of the cinder block, h = height of the platform, g = acceleration due to gravity.

From the question,

Given: m = 16 kg, h = 20 m

Constant: g = 9.8 m/s²

Substitute these values into equation 1

P.E = 16(20)(9.8)

P.E = 3136 Joules

Hence the potential energy of the cinder block is 3136 Joules

Answer:

d

Explanation:

Answer:

During photosynthesis solar energy is converted into chemical energy

Explanation:

During photosynthesis solar energy is converted into chemical energy in the form of energy rich bond of ATP molecule.

ATP (Adenosine triphosphate) and ADP (Adenosine diphosphate) molecules are termed currency of energy. ADP molecule is converted into ATP molecules, whenever energy is available in certain exothermic reactions of metabolism.

ATP molecules are store- house of energy. ATP molecule is broken down into ADP molecule in presence of enzyme ATPase, releasing energy whenever energy is required.

The synthesis of ATP molecules, utilizing solar energy during photosynthesis, is termed photo-phosphorylation.

These ATP molecules produced during light reaction of photosynthesis are utilized in dark reaction of photosynthesis (Calvin cycle).

ATP molecules synthesized during photo-phosphorylation may also be used in other metabolic reactions.

Photo-phosphorylation is of 2 types, i.e. Cyclic and Non-cyclic photo-phosphorylation.

Chlorophyll molecules entrap solar energy . There are 2 types of photo-systems in chlorophyll. These are photo-system -I and photo-system-II .

The electrons of chlorophyll molecule of photo-system I get excited which pass through series of electron carriers in electron transport system arranged in the order of decreasing energy level.

During the passage of electrons from carriers of higher energy level to the carriers of lower energy level, the energy is lost which is utilized for converting ADP molecule into ATP molecule.

Photo-system I is concerned with light reaction of photosynthesis only, constituting cyclic photo-phosphorylation.

The electron transport during Photo-system II results in the synthesis of NADPH2 in presence of enzyme NADP reductase. NADPH2 is used in reduction reaction of Calvin cycle.

Both Photo-systems participate in non-cyclic photo-phosphorylation that results in the synthesis of NADPH2 in addition to the synthesis of ATP molecules.

Answer:

Explanation:

the Abu Dhabi Petroleum Company

The first commercially viable oil discovery was made at Bab in 1960. In 1962, the company was renamed the Abu Dhabi Petroleum Company. Exports began to flow from the Jebel Dhanna terminal on December 14, 1963.

Answer:

hiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

Answer:

In coin card experiment smooth card is used so that the card can slide easily from glass

The toaster would use 9.34 kilowatt-hours of energy in 3.5 hours.

First, we need to calculate the power (in watts) that the toaster uses:

Power = Voltage x Current = 120V x 6.2A = 744W

Next, we'll convert the time from hours to seconds:

Time = 3.5 hours x 3600 seconds/hour = 12600 seconds

Finally, we'll multiply the power by the time to find the energy used:

Energy = Power x Time = 744W x 12600 seconds = 9,336,400 J

Now we can convert the energy from joules to kilowatt-hours:

Energy (kWh) = Energy (J) / (1000 J/kWh) = 9,336,400 J / (1000 J/kWh) = 9.34 kWh

So the toaster would use 9.34 kilowatt-hours of energy in 3.5 hours.

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Electrons that reside in the same orbital must have different values for their spin. The Pauli exclusion principle, a fundamental principle in quantum mechanics, states that no two electrons in an atom can have the same set of quantum numbers.

The spin of an electron is an intrinsic property that describes its angular momentum and magnetic moment. It is quantized and can have two possible values: spin-up (+1/2) or spin-down (-1/2). This means that within a given orbital, only two electrons can exist, with opposite spins. This is known as Hund's rule, which states that when filling orbitals of equal energy (degenerate orbitals), electrons will occupy separate orbitals with parallel spins before pairing up. By having opposite spins, the electrons minimize their mutual repulsion due to their negative charges, resulting in a more stable arrangement. The different spin values of electrons in the same orbital ensure that each electron has a unique quantum state, satisfying the Pauli exclusion principle. This principle plays a crucial role in determining the electronic configuration and properties of atoms, as it dictates the arrangement and behavior of electrons within orbitals.

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