A capaitor has two parallel plates sepearted by 2mm and is connected across a 50V battery. i. What is the electric field between the plates? ii. What is the surface charge density? iii. How much charge is stored on each plate if the area is 0.1m. iv. Calculate the capacitance. v. How much energy is stored in this capacitor? vi. What is the energy density of the electric field in the capacitor?

Answer:

I don't know if it's scalar or vector

Answer:

350 m/s

Explanation:

Before the explosion, the rocket's momentum is given by:

p = m*v where

p = momentum

m = mass of the rocket

v = velocity of the rocket

Given that the mass of the rocket is 5 kg and its velocity is 200 m/s, we can calculate the momentum as:

p = m*v = 5 kg * 200 m/s = 1000 kg·m/s

After the explosion, the momentum is conserved, which means the total momentum of the two parts is still 1000 kg·m/s. We can use this principle to solve for the velocity of the second part.

Let v1 be the velocity of the 3 kg part, and v2 be the velocity of the other part. Since they are both moving in the same direction, we can write:

p = m1v1 + m2v2

where m1 = 3 kg is the mass of the first part, and m2 is the mass of the second part.

Substituting the known values, we get:

1000 kg·m/s = 3 kg * 100 m/s + m2 * v2

Solving for v2, we get:

v2 = (1000 kg·m/s - 300 kg·m/s) / m2

v2 = 700 kg·m/s / m2

We still need to find the mass of the second part. Since the rocket initially had a mass of 5 kg, and one part has a mass of 3 kg, the other part must have a mass of:

m2 = 5 kg - 3 kg = 2 kg

Substituting this into the equation for v2, we get:

v2 = 700 kg·m/s / 2 kg

v2 = 350 m/s

Therefore, the unknown speed of the other part is 350 m/s.

The charge of a newly formed oxygen ion would be -2

Hope this helps :)

Answer:

how long the athlete can sustain the activity

Explanation:

"Endurance" tests your body's ability to carry on a specific activity for a particular period of time. This is often confused with "stamina," which tests the body's ability to do a specific activity without getting exhausted.

An example of an endurance training for the muscles is by doing 5 sets of body weight squats with repetitions, let's say 25. Depending on one's endurance, the repetition may be increased. Another example is by doing 5 sets of lunges with 15 repetitions on each leg (a total of 30 repetitions).

Answer: It has the skill to nest

sorry if I'm wrong

Answer:

B: A colorful beak

Explanation:

i hope this helped!

Answer:

Radiowaves >  microwaves> Infrared radiation > visible light > Ultraviolet radiation > x -rays > gamma rays

Explanation:

To solve this problem, we use the electromagnetic spectrum as a reference. On the electromagnetic spectrum, the lesser the wavelength, the higher the frequency and more energetic a wave is.

 Therefore;

  Radiowaves >  microwaves> Infrared radiation > visible light > Ultraviolet radiation > x -rays > gamma rays

So, radiowaves have the longest wavelength and gamma rays have the shortest.

Answer:

Radio, microwave, infrared radiation, visible light, ultraviolet radiation, x-rays and gamma rays.

Explanation:

These electromagnetic waves are arranged from longest to shortest wavelengths.

Have an amazing day!

During the Tau Tauri phase of a protostar's evolution, the brightness decreases ( D )

Option A is incorrect because the forms long before the Tau Tauri phase. Option B is incorrect because the decreasing of surface area does not stop until nuclear ignition. Option C is incorrect because the brightness increases before and after the Tau Tauri phase and not during the Tau Tauri phase. Option E is incorrect because the nuclear burning ends the Tau Tauri phase.

Since the brightness increases before and after the Tau Tauri phase, during the Tau Tauri phase the brightness actually decreases. When the surrounding envelope has cleared in the third phase is called the Tau Tauri phase.

Therefore, during the Tau Tauri phase of a protostar's evolution, the brightness decreases ( D )

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Simple machines increase mechanical advantage.

Simple machines are devices that can make work easier by amplifying or changing the direction of the applied force. Mechanical advantage refers to the factor by which a simple machine multiplies the force applied to it. In other words, it is the ratio of the output force to the input force. By increasing the mechanical advantage, simple machines allow us to apply a smaller input force to achieve a larger output force, making it easier to perform tasks.

Simple machines do not increase the force itself; rather, they enhance the effectiveness of the force applied, making it more efficient. The mechanical advantage gained from using a simple machine enables us to overcome resistance or move objects with less effort.

Therefore, simple machines increase mechanical advantage, which allows us to achieve greater output force compared to the input force.

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To find the range of Sheila's long jump, we need to calculate the horizontal distance covered by her projectile motion. The range (R) can be determined using the equation:

R = (v^2 * sin(2θ)) / g

where:

- v is the initial velocity of the jump (9.44 m/s)

- θ is the angle of the jump (22.7°)

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

Let's plug in the values and calculate the range:

R = (9.44^2 * sin(2 * 22.7°)) / 9.8

 ≈ (89.04 * sin(45.4°)) / 9.8

 ≈ (89.04 * 0.7071) / 9.8

 ≈ 62.99 / 9.8

 ≈ 6.43

Therefore, the range of Sheila's long jump is approximately 6.43 meters.

The closest option provided is 6.46 m (option a).

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The correct option is d. -2.738 V.

We know that, E°cell = E°cathode – E°anodeIn this question, we need to calculate the potential of an aluminum electrode immersed in 0.05 M KOH solution saturated with Al(OH)3. Let us consider the half-reactions occurring at the cathode and anode.2Al(OH)3(s) + 6OH-(aq) ⇌ 2[Al(OH)6]3-(aq) (cathode)Al(s) + 3OH-(aq) ⇌ [Al(OH)3]-(aq) + 3e- (anode). On balancing the above reactions we get:2Al(OH)3(s) ⇌ Al(s) + 3[Al(OH)4]- (aq) + 3OH-(aq). By applying the Nernst equation, we get: For cathode: E°cathode = 0V (Since it is given that Al(OH)6 is saturated). For anode: E°anode = - (0.0592/3) log10{([Al(OH)4]-]^3/[Al][OH^-]^3)}E°anode = - (0.0592/3) log10{([Al(OH)4]-]^3/[OH^-]^3}E°anode = - (0.0592/3) log10(1.8 × 10^-12)E°anode = 1.076V. On substituting the values of E°cathode and E°anode in the formula of E°cell, we get E°cell = E°cathode – E°anodeE°cell = 0 - 1.076 VE°cell = -1.076 V. We know that the potential of the electrode is equal to the standard potential of the electrode plus the electrode potential calculated from the Nernst equation. potential of the aluminum electrode = -1.662 + (-1.076) = -2.738 V. Therefore, the correct option is d. -2.738 V.

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Answer:

There is no motion of the charge except along the axis of the ring.

(All charges on the ring are equivalent, with no net force perpendicular to the axis of the ring)

The electric potential of the axis of the ring decreases as the charge is moved away from the center of the ring,

The force on the negative charge will always be directed towards the center of the ring. (It would take work to move the charge "away" from the ring)

Answer:five times five is twenty five divded by 10 is 2.5 seconds of acceleration

Biological fluid mechanics is a rapidly growing field of study that uses the principles of fluid mechanics to understand the behavior of fluids in biological systems. This includes the study of blood flow, mucus transport, and the swimming of microorganisms.

The field is essential for understanding the functioning of many biological systems and has led to new insights into the behavior of living organisms.

Biological fluid mechanics is a multidisciplinary field that draws on the expertise of engineers, physicists, biologists, and mathematicians.

As the field continues to develop, we can expect to see new applications in fields such as medicine, environmental science, and robotics.

Here are some of the specific applications of biological fluid mechanics:

Medicine: Biofluid mechanics can be used to design new medical devices, such as artificial heart valves and catheters.

Environmental science: Biofluid mechanics can be used to understand the transport of pollutants in water and air.

Robotics: Biofluid mechanics can be used to design robots that can swim or fly like animals.

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Answer:

earth process meaning subduction

The toxic salt will harm the salamander species.

Hence, the correct option is B,

To determine the concentration of the toxic salt in the ditch after it fully mixes and is diluted by the entire volume of the ditch, we can use the formula for concentration:

Concentration (C) = Mass of Salt (M) / Volume of Water (V)

Given:

Mass of Salt (M) = 60.2 mg

Volume of Water (V) = Area (A) * Length (L) = 0.5 \(m^{2}\) * 15 m = 7.5 \(m^{3}\)

Using the formula:

Concentration (C) = 60.2 mg / 7.5 \(m^{3}\)

Concentration (C) = 8.03 mg/ \(m^{3}\)

To convert from mg/ \(m^{3}\) to mg/L, we multiply by 1000:

Concentration (C) ≈ 8.03 mg/ \(m^{3}\) * 1000 = 8030 mg/L

The concentration of the toxic salt in the ditch, after it fully mixes and is diluted by the entire volume of the ditch, is approximately 8030 mg/L.

Since the concentration of the toxic salt exceeds the threshold for biological impairment, which is 100 mg/ \(m^{3}\) or 100 mg/L, the endangered salamander is at risk.

The concentration of the salt in the ditch is significantly higher than the level at which biological impairment occurs, indicating potential harm to the salamander species.

Therefore,The toxic salt will harm the salamander species.

Hence, the correct option is B,

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Answer:

D

Explanation:

as one burns then all stop simple

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Green-colored compounds are typically a medium grit polish.

The type of polish grade that uses green-colored compounds is typically a medium grit polish. Green-colored polishing compounds are often used for removing scratches, refining surfaces, and preparing the material for a final polish with a finer compound. They are commonly employed on metals, such as brass, copper, and stainless steel.

each higher education institution sets their grading scale to assess students' performance. However, the most common scale is indicated in the table below:  

                                                                                                                                                                                                Description                                                Grade point

Very good (bardzo dobry)                                    - 5

Good (dobry)                                                         -  4

Satisfactory (dostateczny)                                     - 3

Unsatisfactory / fail (niedostateczny)                   -  2

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Low energy electromagnetic waves have lower frequencies and longer wavelengths compared to high energy electromagnetic waves. They carry less energy per photon and are less damaging to biological tissue.

Low energy electromagnetic waves, such as radio waves and microwaves, have lower frequencies and longer wavelengths. They carry less energy per photon compared to high energy electromagnetic waves, like X-rays and gamma rays. As a result, low energy waves are less damaging to biological tissue. They are commonly used for communication and heating applications. However, due to their longer wavelengths, they have limited penetration abilities and are easily absorbed or scattered by obstacles. High energy electromagnetic waves, on the other hand, have shorter wavelengths and higher frequencies. They carry more energy per photon, making them potentially harmful to living organisms. These waves can penetrate through materials and are used in medical imaging and radiation therapy, but they require careful handling and protection.

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Answer:

Explanation:

The formula for KE is

\(KE=\frac{1}{2}mv^2\) which makes solving our problem for velocity super easy. We will rewrite the formula in terms of v to get:

\(v=\sqrt{\frac{2KE}{m} }\) and filling in:

\(v=\sqrt{\frac{2(50)}{25} }\) so

v = 2 m/s to the correct number of sig fig's

Answer:

Homer and his friends made a miscalculation when they used a homemade rocket to try to launch a weather balloon.

The result of this miscalculation was that the rocket went off course and hit a power line, causing a power outage in the town.

When Homer and his buddies attempted to launch a weather balloon with a homemade rocket, they erred.

The 1999 American biographical drama film October Sky, starring Jake Gyllenhaal, Chris Cooper, Chris Owen, and Laura Dern, was directed by Joe Johnston.

The script by Lewis Colick, which is based on the memoir of the same name, depicts the true story of Homer H. Hickam Jr., a coal miner's son who, in spite of his father's objections, decided to pursue rocketry after the launch of Sputnik 1 in 1957. He later worked for NASA.

Based on the lives of four young men who grew up in Coalwood, West Virginia, October Sky is a novel.

Oliver Springs, Harriman, and Kingston in Morgan and Roane counties served as the location for the main shooting. The movie had a mediocre box office performance and excellent reviews.

Therefore, When Homer and his buddies attempted to launch a weather balloon with a homemade rocket, they erred.

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The electric force between a +3 µC point charge and a –3 µC point charge if they are separated by a distance of 5.0 cm can be calculated by using Coulomb’s law. F = kq1q2 / r²F = (9.0 × 109 N·m2/C2) × (3.0 × 10-6 C) × (-3.0 × 10-6 C) / (0.05 m)²F = -243 N

The electric force between a +3 µC point charge and a –3 µC point charge if they are separated by a distance of 5.0 cm can be calculated by using Coulomb’s law.

Coulomb’s law states that the electric force between two point charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.

Mathematically, F = kq1q2 / r²where, F is the electric forceq1 and q2 are the magnitudes of the two charges is Coulomb’s constant (9.0 × 109 N·m2/C2)r is the separation between the two charges.

Let's use the values from the question to calculate the electric force: F = kq1q2 / r²F = (9.0 × 109 N·m2/C2) × (3.0 × 10-6 C) × (-3.0 × 10-6 C) / (0.05 m)²F = -243 N (the negative sign indicates that the force is attractive)Therefore, the electric force between the two charges is 243 N.

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Answer:

Batteries are intended to store chemical energy and then it converts into electricidal energy. So overall, batteries produce energy.

Explanation:

The equation for the density (ρ) in terms of the radius (r) of the disk is ρ = -2r + 14.

Given that the density of the disk is a linear function of the distance from the center, we can express the density (ρ) as a function of the radius (r) using the equation of a straight line.

We have two data points:

At the center (r = 0), the density is \(14 gm/cm^2.\)

At the edge (r = 7 cm), the density is \(0 gm/cm^2.\)

Using these two points, we can determine the equation of the line in the form y = mx + b, where y represents density (ρ) and x represents radius (r).

Using the point-slope formula:

m = (y2 - y1) / (x2 - x1)

m = (0 - 14) / (7 - 0)

m = -2

We now have the slope of the line.

Using the point-slope form with the center point (0, 14):

y - y1 = m(x - x1)

ρ - 14 = -2(r - 0)

ρ - 14 = -2r

Finally, rearranging the equation, we get the equation for density in terms of radius:

ρ = -2r + 14

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Answer:

E......1,800 meters

Explanation:

distance = speed × time

convert 1 min to seconds because speed is give in meters per seconds so it's which is 60 seconds

Then...60 ×30 = 1,800

Answer:

Option (a) is correct

Explanation:

The acceleration of an object is defined as the rate of change of velocity. Mathematically, it can be written as :

\(a=\dfrac{v-u}{t}\)

Where

v and u are final and initial velocity

It is clear that if there is some change in velocity, it means the object is experiencing either acceleration or deceleration. Hence, the correct option is (a).

Answer:

a

Explanation:

Answer:

All music in the world, is form only two notes and those notes are described below in detailed explanation.

Explanation:

In the chromatic scale, there are basically seven central musical notes, designated A, B, C, D, E, F, and G. They individual express a separate pitch or frequency. For illustration, the "central" A note has a pitch of 450 Hz, and the "common" B note has a pitch of 495 Hz.

Varieties Of Musical Notes You Require To Understand

Semibreve (Whole Note)

Minim (Half Note)

Crotchet (Quarter Note)

All music, listened to in the world, is from only twelve (12) notes.

A music can be defined as the systematic combination of an instrumental sound and human vocals, in order to produce harmonious tunes or sounds.

A note can be defined as a symbol which is used to denote a musical sound with respect to its pitch and duration.

Basically, all the music that are available and listened to in the world are typically produced from only twelve (12) notes.

This ultimately implies that, any musical piece that you may have come across in this world comprises only twelve (12) notes and these include:

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Answer:

A. As the blackbody radiator becomes warmer, it emits light of shorter wavelengths.

The temperature, and electromagnetic radiation has a relationship where blackbody radiator becomes warmer, it emits light of shorter wavelengths.

radiation can be regarded as the process of heat dissipation without contact with a body.

Therefore , temperature, and electromagnetic radiation of a black body works in the sense that

blackbody radiator becomes warmer during emissions.

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Answer:

the two objects are in thermal equilibrium

Explanation:

thermal equilibrium us the state where two bodies or objects have the same amount of temperature thus no heat conduction

1. Total Mechanical Energy ≈ 5.2 J

2. Smallest x ≈ 0.3m

3. Largest x ≈ 1.8m

A more detailed explanation of the answer.

1. To find the total mechanical energy of the system, we need to add the potential energy (PE) and the kinetic energy (KE) at x=1.0m. From the figure, we can approximate that the potential energy at x=1.0m is around 1.6 J. Given that the kinetic energy is 3.6 J, the total mechanical energy can be calculated as:

Total Mechanical Energy = PE + KE
Total Mechanical Energy = 1.6 J + 3.6 J
Total Mechanical Energy ≈ 5.2 J

2. To find the smallest value of x the particle can reach, we need to look for the smallest x value where the potential energy is less than or equal to the total mechanical energy (5.2 J). By examining the figure, we can approximate the smallest value of x the particle can reach:

Smallest x ≈ 0.3m

3. To find the largest value of x the particle can reach, we need to look for the largest x value where the potential energy is less than or equal to the total mechanical energy (5.2 J). By examining the figure, we can approximate the largest value of x the particle can reach:

Largest x ≈ 1.8m

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