What is the current through a conductor that carries a flow of 5. 98*10^25 electrons through its cross section in a period of 4 hours?

The speed of light is approximately 1.86x10^5 miles per second. the approximate distance from the Sun to Saturn is 8.928x10^8 miles or 9.6 AU.

Given that it takes light from the Sun about 4.8x10^3 seconds to reach Saturn, we can calculate the distance from the Sun to Saturn.

To find the distance, we can use the formula:

Distance = Speed x Time

Plugging in the values we have:

Distance = \(1.86\times 10^5 miles/second \times 4.8x10^3 seconds\)
Multiplying the values, we get:

Distance = \(8.928 \times 10^8 miles\)

Therefore, the approximate distance from the Sun to Saturn is 8.928x10^8 miles.

To put this answer in perspective, it is important to note that the distance between celestial bodies is often measured in astronomical units (AU), where 1 AU is equal to the average distance between the Earth and the Sun, approximately 93 million miles. In this case, the distance from the Sun to Saturn would be approximately 9.6 AU.

In conclusion, the approximate distance from the Sun to Saturn is 8.928x10^8 miles or 9.6 AU.

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Answer:

Convex lens

hope that helps you

The velocity of the rocket has no impact on the speed of the light flash, and it will appear to travel away from the observer inside the rocket at the speed of light.

To an observer at rest in the rocket, the light will appear to travel away from them at the speed of light, as per the laws of physics. This is because the speed of light is constant in all inertial frames of reference, including those in motion relative to each other.

The observer inside the rocket will not perceive any difference in the speed of the light flash compared to if they were at rest on Earth. This is because the speed of light is the same for all observers, regardless of their relative motion. The observer in the rocket will measure the speed of light to be 299,792,458 meters per second, just like an observer at rest on Earth. Therefore, the velocity of the rocket, which is 1/4 the speed of light, has no impact on the speed of the light flash.

The speed of light is a fundamental constant in physics that remains the same for all observers, regardless of their relative motion. The velocity of the rocket has no impact on the speed of the light flash, and it will appear to travel away from the observer inside the rocket at the speed of light.

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It should be noted that Rust and sodium nitrite were been produced during the reaction between the iron pipes and the fertilizer.

Chemical reaction can be regarded as a process involving conversation of one or more substances, known as reactants, are converted to different substances known as products.

When iron pipes and the fertilizer which are reactants react together, then products of Rust and sodium nitrite is formed.

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As per the given scenario, Ram will cross the river first.

Ram chooses the quickest route and crosses the river without turning. Ram and Hari can both swim in still water at the same speed, hence their respective speeds when crossing the river will be equivalent. Ram will be able to get to the opposing bank the fastest as a result.

Hari, on the other hand, is swimming upstream at an angle and is being dragged downstream by the water.

Hari's overall travel distance will increase due to the downstream current, however his effective speed will drop in comparison to the other bank. Hari will therefore take longer than Ram to get to the opposing bank.

Thus, Ram will cross the river first in this scenario.

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Answer:

D) side to side

Explanation:

The frictional force act on the cube in the side to side direction. The friction force acts opposite to the direction of the motion of an object which reduces its speed or sometimes prevent it from moving from one place to another. In order to reduce the force of friction, the body has to move by rolling instead of sliding and use of lubrication on the surface on which the object moves.

Answer:

Thin, aluminium and buried underground.

Explanation:

When it comes to electrification of a state or province, some characteristics of the wire to use must be considered. This would help to minimize and avoid power loss and wire burns.

i. The wire to use should be thin, and a quite number can be twisted one against the other so as to increase the surface area for heat dissipation.

ii. Aluminium wire is more preferable for this project. It has a high melting point, and reduces energy loss.

iii. Burying the wire underground through an insulator is the best choice, though expensive but would preserve the wire from external influence.

The velocity at the end of 4.5 seconds is 32.4 m/s.

To find the velocity of a car that accelerates at a rate of 7.2 m/s² for 4.5 seconds, starting from rest, we can use the formula:

v = u + at

where v is the final velocity, u is the initial velocity (0 m/s since the car is starting from rest), a is the acceleration (7.2 m/s²), and t is the time (4.5 seconds).

Step 1: Identify the known values.
u = 0 m/s (starting from rest)
a = 7.2 m/s² (acceleration)
t = 4.5 seconds (time)

Step 2: Plug the known values into the formula.
v = 0 m/s + (7.2 m/s² * 4.5 seconds)

Step 3: Perform the calculation.
v = 0 m/s + (32.4 m/s)

Step 4: Simplify the result.
v = 32.4 m/s

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The value of force is 1.7 × 10⁻³ N, with the direction opposite to that of the bat's motion.

When an object collides with another object, they exchange energy. For example, a baseball and bat collision or a car collision. When two objects collide, the force of the collision has to be equal on both sides of the collision according to Newton's Third Law. So, to find the value of force, we will apply the equation:

F = ΔP / ΔT

where F is the force, ΔP is the change in momentum, and ΔT is the time of collision. The equation represents the impulse momentum theorem.

Now, let's apply the given values to the above equation.

Final momentum (p2) = mass × final velocity (v2)

p2 = 0.15 kg × (-50 m/s)

p2 = -7.5 kg.m/s

Initial momentum (p1) = mass × initial velocity (v1)

p1 = 0.15 kg × (40 m/s)

p1 = 6 kg.m/s

Change in momentum (ΔP) = p2 - p1

ΔP = -7.5 kg.m/s - 6 kg.m/s

ΔP = -13.5 kg.m/s

Time of collision (ΔT) = 8.0 × 10³ s

Now, putting the values of ΔP and ΔT in the equation of impulse momentum theorem, we get:

F = ΔP / ΔT

F = -13.5 kg.m/s ÷ 8.0 × 10³ s

F = -1.7 × 10⁻³ N

Thus, the value of force is 1.7 × 10⁻³ N, with the direction opposite to that of the bat's motion.

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To determine the density of the rock divide its mass by the volume. And for determining the volume use Archimedes' principle.

An object at rest in a liquid experiences an upward force, called buoyancy, equal to the weight of the liquid it displaces. When the body is completely submerged, the volume of liquid displaced equals the volume of the body.

For the given case:

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F = 1420 N

Force was required to stretch the spring by the initial 15cm is 1420 N.

m = 15, P = 0.25, x = 0.15

F = -K x for spring

where,

           F = force

           K = constant

ω = (K/m)^1/2

where,

           ω = angular frequency

           m = mass of the block

ω^2 = K / m

K = m ω^2 = m (2 π f)^2 = m 4 π^2 / P^2

K = 4  π^2 m / P^2

F = K x = x * 4  π^2 m / P^2

F = 0.15 * 4 * π^2 * 15 / 0.25^2

F = 1420 N

The movement between two locations back and forth, or to swing back and forth like a pendulum is known as oscillation.

A condition where competing forces or actions are in balance is called equilibrium.

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Answer:Electricity works by getting a bunch of conductor elements together and creating a flow of electron-stealing patterns through them. This flow is called a current. ... Once you can control the direction the electrons are going, you can use them to power or charge anything from a light bulb to your TV to your electric car.

Explanation:trust

The output force on the piece of food the chopsticks pick up is mechanical advantage times 3 N.

The force amplified by utilising a tool, mechanical device, or machine system is known as mechanical advantage. To achieve the desired output force amplification, the gadget trades off input forces against movement.

Mathematically:

mechanical advantage = output force/input force

Given that input force = 3 N.

Hence, output force = mechanical advantage × 3 N.

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The average emf induced in the coil is 0. 533 V. The average emf induced in the coil can be calculated using Faraday's law of electromagnetic induction. The formula for the average emf induced in a coil is given by:

E = N * (ΔΦ / Δt)

where E is the average emf, N is the number of turns in the coil, ΔΦ is the change in magnetic flux, and Δt is the time interval.

In this case, the number of turns is 80, and the time interval is 0.0600 s. The change in magnetic flux can be calculated by finding the initial and final flux values.

The initial flux is given by Φ1 = B * A * cos(θ1), where B is the magnetic field, A is the area of the coil, and θ1 is the angle between the coil and the magnetic field.

The final flux is given by Φ2 = B * A * cos(θ2), where θ2 is 90 degrees since the coil is perpendicular to the field.

Substituting the values into the formula, we have:

\(E = 80 * (Φ2 - Φ1) / Δt\)

Calculating the values, we find:

\(Φ1 = (1.10 T) * (0.25 m) * (0.40 m) * cos(37.0°) = 0.536 WbΦ2 = (1.10 T) * (0.25 m) * (0.40 m) * cos(90°) = 0.110 WbΔΦ = Φ2 - Φ1 = 0.110 Wb - 0.536 Wb = -0.426 Wb\)

Substituting the values into the formula, we get:

E = 80 * (-0.426 Wb) / 0.0600 s = -0.568 V

Taking the absolute value, the average emf induced in the coil is 0.568 V or approximately 0.533 V.

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To determine the total power delivered to the circuit (i.e., the total power dissipated in the resistors), you can use the formula:

P = I²R ; where P is the power in watts, I is the current in amperes, and R is the resistance in ohms.

To find the current, you can use Ohm's law:

V = IR

where V is the voltage in volts, I is the current in amperes, and R is the resistance in ohms.

Here's an example:

Suppose you have a circuit with two resistors, R1 and R2, connected in series.

The voltage across the circuit is 10 volts, and the resistances of the two resistors are 2 ohms and 4 ohms, respectively. You can find the total resistance of the circuit by adding the resistances of the two resistors:

R = R1 + R2 = 2 + 4 = 6 ohms

To find the current in the circuit, you can use Ohm's law:

I = V/R = 10/6 = 1.67 amps

Then, you can find the power dissipated in each resistor:

P1 = I²R1 = (1.67)²(2) = 5.56 wattsP2 = I²R2 = (1.67)²(4) = 11.11 watts

And finally, you can find the total power dissipated in the circuit by adding the power dissipated in each resistor:Ptotal = P1 + P2 = 5.56 + 11.11 = 16.67 watts

So the total power delivered to the circuit is 16.67 watts.

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The maximum height that the ball will reach is 25 feet. when the ball will reach its maximum height after 1.25 seconds.

The maximum height that the ball will reach can be determined by finding the vertex of the parabola represented by the function

h(t) = 40t - 16t²

The x-coordinate of the vertex can be found using the formula

x = - b / (2a)

where:

a = coefficient of the t² term

b = coefficient of the t term.

Given

a = -16

b = 40

x = -40/(2×(-16))

= 1.25

This means that the ball will reach its maximum height after 1.25 seconds. We need to substitute this value of t into the function to determine the maximum height:

h(1.25) = 40 (1.25) - 16 (1.25)²

= 50 - 25

= 25.

Therefore, the maximum height that the ball will reach is 25 feet.

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Answer:

Universe, Galaxy, Sun.

Explanation:

The universe is everything. It contains billions of galaxies.

A galaxy, such as our Milky Way Galaxy, is a collection of solar systems orbiting around a central core. Most galaxies have a supermassive black hole at their centres.

Then the sun smallest.

It is the true statement, that if we double the force acting on a body, the acceleration will double.

In terms of both speed and direction, acceleration is the rate at which velocity varies over time. Acceleration refers to the change in speed or direction of an item or point travelling straight forward. Due to the constant change in direction, motion on a circle accelerates even while the speed is constant. Both impacts help to accelerate all other types of motion.

In order to be a vector quantity, acceleration must have both a magnitude and a direction. As a vector quantity, velocity is also. A time interval's velocity vector change divided by that interval's duration is the definition of acceleration.

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The volume of water inside the tank is approximately 14.3 m^3.

To calculate the volume of water, we use the formula for the volume of a cylinder, which involves multiplying the area of the base (π * radius^2) by the height of the cylinder. By subtracting the depth of the water from the length of the tank, we determine the height of the water level. Plugging the values into the formula, we calculate the volume of water to be approximately 14.3 cubic meters. This represents the amount of space occupied by the water inside the tank. The result is rounded to three significant figures to provide a reasonable level of precision in the measurement.

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Answer:

160 years.

Explanation:

From the question given above, the following data were obtained:

Initial count rate (Cᵢ) = 400 count/min

Half-life (t½) = 40 years

Final count rate (Cբ) = 25 count/min

Time (t) =?

Next, we shall determine the number of half-lives that has elapse. This can be obtained as follow:

Initial count rate (Cᵢ) = 400 count/min

Final count rate (Cբ) = 25 count/min

Number of half-lives (n) =?

Cբ = 1/2ⁿ × Cᵢ

25 = 1/2ⁿ × 400

Cross multiply

25 × 2ⁿ = 400

Divide both side by 25

2ⁿ = 400/25

2ⁿ = 16

Express 16 in index form with 2 as the base

2ⁿ = 2⁴

n = 4

Thus, 4 half-lives has elapsed.

Finally, we shall determine the time taken for the radioactive material to decay to the rate of 25 counts per minute. This can be obtained as follow:

Half-life (t½) = 40 years

Number of half-lives (n) = 4

Time (t) =?

n = t / t½

4 = t / 40

Cross multiply

t = 4 × 40

t = 160 years.

Thus, it will take 160 years for the radioactive material to decay to the rate of 25 counts per minute.

Round-nosed bullets with low velocities are specifically designed for improved accuracy and safety in target shooting and hunting scenarios. The round-nosed shape reduces air resistance, allowing for stable trajectory and accuracy at lower velocities. They are also safer for shooting in close quarters and reduce the risk of over-penetration.

Round-nosed bullets with low velocities are specifically designed for certain purposes in firearms. These bullets are commonly used in target shooting and hunting scenarios. The round-nosed shape of the bullet helps to reduce air resistance, allowing it to maintain a stable trajectory and accuracy at lower velocities. This makes them suitable for shooting at shorter distances or when precision is required.

Additionally, the low velocity of these bullets reduces the risk of over-penetration, making them safer for shooting in close quarters or in situations where there may be a risk of unintended collateral damage. The round-nosed design also helps to transfer energy more efficiently upon impact, which can be beneficial for hunting applications.

Overall, round-nosed bullets with low velocities offer improved accuracy and safety in specific shooting scenarios.

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The component form of vector u is approximately u = (16.77, 24.87)

To find the component form of vector u, we are given its magnitude and the angle it makes with the positive x-axis. Let's denote the angle as θ.

Given:

Magnitude of u: 30

Angle with positive x-axis: θ = 56 degrees

To find the component form, we need to determine the x-component (u_x) and the y-component (u_y) of the vector.

The x-component can be calculated as:

u_x = u * cos(θ)

The y-component can be calculated as:

u_y = u * sin(θ)

Substituting the given values:

u_x = 30 * cos(56 degrees)

u_y = 30 * sin(56 degrees)

Using a calculator or trigonometric table, we can evaluate the trigonometric functions:

u_x ≈ 30 * 0.559 = 16.77 (rounded to two decimal places)

u_y ≈ 30 * 0.829 = 24.87 (rounded to two decimal places)

Therefore, the component form of vector u is approximately u = (16.77, 24.87)

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Answer:

papa's donuteria

Explanation:

:rawr:

Answer:

Conductor

Explanation:

A battery holds all of the energy in itself. So without the battery, the circuit cannot work.

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While alloys are melted mixtures of two or more metals, true metals are unadulterated components. Due to their tendency to be shinier, heavier, and harder than the majority of materials, as well as the fact that they are great heat- and electricity-conductors, metals, and alloys are simple to differentiate from nonmetals.

As a compound or a solution, an alloy is a metallic material made up of two or more elements. Although carbon, a nonmetal, is a crucial component of steel, alloys typically contain metals as their own constituents.

Typically, the mixture of elements is melted to create an alloy. In very early periods, the value of alloys was discovered; brass (copper and zinc) and bronze (copper and tin) were particularly significant.

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Q1.  -6.18 m/s is the final velocity of the ball 1 AND ball 2 if the collision is perfectly elastic. Q2. 2.72 m/s  is the final velocity of the ball 1 AND 2 if the collision is perfectly inelastic.

Q1: In a perfectly elastic collision, both momentum and kinetic energy are conserved. Applying the conservation of momentum, we can calculate the final velocities of the balls. Let v1 and v2 represent the final velocities of ball 1 and ball 2, respectively. Using the equation for conservation of momentum, \(m1v1 + m2v2 = m1u1 + m2u2\),

where m1 and m2 are the masses of ball 1 and ball 2, and u1 and u2 are their initial velocities. Given the values of the masses and initial velocities, we can solve for v1 and v2.

100×12=330×V

V=-6.18 m/s

Q2: In a perfectly inelastic collision, the two balls stick together after the collision and move as a single unit. The principle of conservation of momentum still applies, but kinetic energy is not conserved. Again, using the equation for conservation of momentum, \(m1v1 + m2v2 = (m1 + m2)v\), where v is the final velocity of the combined system. Given the masses and initial velocities, we can solve for v to determine the final velocity of the combined system (which will be the same for both balls).

100×12=380×V

V= 2.72 m/s

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The frequency of the second harmonic of a note with a fundamental frequency of 200 Hz is 400 Hz, and the frequency of the third harmonic is 600 Hz.

To calculate the harmonics of a note, you will need to know the fundamental frequency of the note. The frequency of the second harmonic is twice the fundamental frequency, and the frequency of the third harmonic is three times the fundamental frequency. For example, if the fundamental frequency is 200 Hz, then the frequency of the second harmonic is 400 Hz and the frequency of the third harmonic is 600 Hz.

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One atmosphere, or 1 atm, is the term used to describe this air pressure. For instance, the air pressure above Mount Everest is just about one-third of the atmospheric pressure at sea level.

What is the pressure equation?

Examples, Formula, Unit, and Definition The physical force applied to an object is referred to as pressure. Per unit area, a perpendicular force is delivered to the face of the objects. F/A is the fundamental formula for force.  Pascals are a unit of pressure (Pa). Absolute, barometric, differential, and gauge pressures are different types of pressure.

What is the physics term for pressure?

Some of them result from dividing a unit of force by the a unit of area; one pound-force per single centimeter (psi), the conventional unit of force in the metric and US conventional systems, is equivalent to one newton per sq meter.

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Answer:

Nuclear Fusion

Explanation:

The process releases energy because the total mass of the resulting single nucleus is less than the mass of the two original nuclei. The leftover mass becomes energy.

Answer: It has fewer decibels.

Explanation:

In a sound-wave, the intensity is defined as the power carried by the wave. The decibel is a measure of the ratio between two quantities. And in acoustics is used as the unit of the sound pressure level, which is related to the intensity of the wave, then:

As the intensity increases, we also should notice an increase in the decibels.

How is a less-intense wave different from a more-intense wave?

The less-intense wave has fewer decibels.

Answer:

It has fewer decibels.

Explanation: