How does the capacitance of two identical capacitors connected in series compare to that of one of the capacitors?

Answers

Answer 1
Don't add, whatever you do. This is how it should be done.

1/c = 1/c1 + 1/c1
1/c = (c1 + c1)/(c1*c1)
1/c = 2c1/c1^2 = 2/c1
c = c1/2 divide the value of one of the  original capacitors by 2.

It means that whatever the value of one of the 2 capacitors is, you get the result of the two capacitors by dividing the value of one of them by 2.

It is similar to the result of putting 2 equal resistors in parallel. 

Related Questions

A helicopter is traveling at 86.0 km/h at an angle of 35° to the ground. What is the value of Ax? Round your answer to the nearest tenth. km/h

Answers

Yeah it is 70.4 for the Ax one and 49.3 for the Ay.

Final answer:

The value of Ax, the x component of the velocity of the helicopter, is approximately 70.5 km/h.

Explanation:

The question asks to determine the horizontal component of the velocity (Ax) of a helicopter traveling at 86.0 km/h at an angle of 35° to the ground. To find Ax, we can use the cosine component of the given velocity because the cosine of an angle in a right triangle gives the adjacent side over the hypotenuse, which corresponds to the horizontal component over the total velocity.

To find the value of Ax, we can break down the velocity vector of the helicopter into its x and y components. The x component of the velocity can be found using the formula Vx = V * cos(angle), where V is the magnitude of the velocity and angle is the angle with respect to the ground.

In this case, V = 86.0 km/h and angle = 35°. Plugging in these values, we get Vx = 86.0 km/h * cos(35°) = 70.5 km/h.

So, the value of Ax is approximately 70.5 km/h.

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when objects are heated they tend to expand because

Answers

Hello!
===
When objects are heated, their molecules tend to vibrate fast. As they vibrate, the space between each atom increases. This keeps on happening, and the object expands until it has cooled down.
===
Hope this helps! :)

A brick moves across a rough surface at constant velocity. Which of the following are forces that should be included in a free body diagram? (select all that apply) gravity friction applied force force of motion

Answers

gravity friction applied force

Answer:

the force that are included here is given as

1) Gravity

2) Friction

3) Applied force

Explanation:

As per the Force diagram of the moving block

We know that the block is moving with constant speed

so here the applied force on the block is counter balanced by the friction force due to ground

Also we can see that the the Normal force due to ground is also counter balanced by the weight or force of gravity on it

So the force that are included here is given as

1) Gravity

2) Friction

3) Applied force

What is the average velocity between 12.00 and 15.00 seconds?

A) 81.0 m/s, east

B)
27.00 m/s, east

C)9.00 m/s, east
D)
0.0123 m/s, east




Answers

Subtract d(15) - d(12), then divide that by 3 because 3 sec between 12-15:
(225-144)/3 = 81/3 = 27m/s
B) 27.00 m/s, east

Answer: The velocity of abject in a given time interval from 12 seconds to 15 sec is 27 m/s.

Explanation:

Displacement of the object after 12.00 seconds = 144 m

Displacement of the object after 15.00 seconds = 225 m

[tex]Velocity=\frac{\text{Change in Displacement}}{\text{Change in time}}[/tex]

[tex]Velocity=\frac{225 m-144 m}{15 s-12 s}=\frac{81 m}{3 s}=9m/s[/tex]

The velocity of abject in a given time interval from 12 seconds to 15 sec is 27 m/s.

In the equation for Hooke’s Law, F = –kx, the term k represents the spring constant of a spring. True or False
the answer is True

Answers

yes it represents the spring constant
The answer would be true

which of the following astronomical bodies is the highest in hierarchy
earth
galaxy
solar system
star

Answers

Galaxy would be the highest in hierarchy because stars and planets are last and galaxies consist of solar systems so galaxy is the biggest.

Answer:

Galaxy

Explanation:

The astronomical body which is the highest in hierarchical order is the Galaxy.

The order of the astronomical body from the Highest to Lowest include

:Universe, galaxy, solar system, star, planet, moon and asteroid.

In the example above , the order of hierarchy from highest to lowest is Galaxy, Solar system, Star, Earth(planet).

Which bright solar feature is shown in the picture above?

Solar flare
Prominence
Sunspot
Convection zone

Answers

Answer : (B) Prominence

Explanation :

A large, glittering and gaseous characteristic which is extending outward from the surface of the sun is called Prominence.

Photosphere is one of the layer of sun where the prominence are anchored and then they move into the corona of the sun.

Corona is a region in the surface of the sun which is the constituent of hot ionized gases (plasma).

The prominence consists of colder plasma and this prominence plasma is much more shining and denser as compared to coronal plasma.

Hence, the correct option is (B) Prominence.

Answer:the answer is a

Explanation:

when i answered the first time i answered prominence and that wa swrong so then i did some researech and the answer is  a solar flare

If the angular momentum of an object increases, which of these could be true?
A. the angular velocity of the object decreased.
B. The mass of the object decreased.
C. The momentum of inertia increased.
D. The object's momentum of inertia decreased.

Answers

the answer is D the objects momentum of inertia decreased

suppose you have two bar magnets. Only one of the magnets has the north and south poles labeled. How would you determine which was the north and which was the south pole on the unlabeled magnet?

Answers

if you put one pole on the unlabeled magnet towards the north labeled pole on the other magnet and it moves away, it is north. If it moves together, then it is south

You could use the labeled magnet to attract and repel the unlabeled magnet, as opposite poles will attract and like poles will repel each other, allowing you to determine which is the north and south pole on the unlabeled magnet.

What is a magnet?

A magnet is a material that creates a magnetic field and has the ability to attract or repel other magnets or magnetic materials. Magnets have north and south poles, and the direction of the magnetic field is from the north to the south pole.

Natural magnets are minerals, while man-made magnets are made by magnetizing a suitable material. Magnets are used in many technological applications, such as motors, generators, and compasses.

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Which happened after the electromagnetic and weak nuclear forces were separated from the unified force?

Answers

-release of first light
-nucleosynthesis
-formation of stars and galaxies
-formation of elementary particles
Final answer:

The separation of the electromagnetic and weak nuclear forces from the unified electroweak force led to distinct electromagnetic and weak forces as the universe cooled, which contributed to the conditions necessary for the formation of nucleons.

Explanation:

After the electromagnetic and weak nuclear forces were separated from the unified electroweak force, the universe progressed towards the age of nucleons where leptons and hadrons, including protons and neutrons, were in thermal equilibrium. The electroweak force, which combined the electromagnetic and weak nuclear forces at very high temperatures and densities present in the early universe, broke into distinct forces as the universe cooled down. This occurred shortly after the strong nuclear force had already separated from the electroweak force. Importantly, the electric and magnetic forces, despite being different aspects of the single electromagnetic force, remain unified and do not separate under cooler conditions because they rely on each other.

8. A 0.500 kg model rocket is initially pushed upwards by a thrust force of 15N. If the force of air resistance is 1.00 N, what is the initial acceleration of the rocket?

Answers

Resultant force = ma

15N - 1N = 0.5kg(a)
a = 14/0.5
a = 28 m/s2

Answer:

a = 18.19 [tex]m/s^{2}[/tex]

Explanation:

Given

Mass of the rocket m = 0.500 kg

upward force [tex]F_{up}[/tex] = 15 N

Air Resistance [tex]F_{Res}[/tex] = 1.00 N

Solution

Net force = Upward forces - downward forces

Net force = Upward force - (air resistance + weight)

[tex]F_{net} = x_{up} -(F_{Res} +mg )\\\\F_{net} = 15 -( 1 + 0.5 \times 9.81)\\\\F_{net} = 15 - (1+ 4.905)\\\\F_{net} = 9.095[/tex]

Net acceleration

[tex]a = \frac{F_{net} }{m} \\\\a = \frac{9.095 }{0.5}\\\\a = 18.19 m/s^{2}[/tex]

A sound wave has frequency of 430 Hz in air . Which of these is closet to the wavelength of this sound? ( The speed of sound in air is 343 m/s.)
A. The height of a skyscraper
B. The length of car
C. The height of a tree
D. The width of highway
E. The height of a desk

Answers

I think it would be E. The higher the object the less wavelength is possible.

Which of the following statements is true regarding how blackbody radiation changes as the temperature of the radiating object increases?
The maximum intensity increases, and the peak wavelength decreases.
The maximum intensity decreases, and the peak wavelength increases.
Both the maximum intensity and the peak wavelength decrease.
Both the maximum intensity and the peak wavelength increase.

Answers

The statement "The maximum intensity increases, and the peak wavelength decreases." is true regarding how black body radiation changes as the temperature of the radiating object increases. Temperature is directly proportional to intensity but inversely proportional to the wavelength. 

Final answer:

The correct answer is that as the temperature of a blackbody radiator increases, the maximum intensity of radiation increases, and the peak wavelength decreases, resulting in a shift towards shorter wavelengths and more intense radiation.

Explanation:

The correct statement regarding how blackbody radiation changes as the temperature of the radiating object increases is that the maximum intensity increases, and the peak wavelength decreases. The distribution curves of blackbody radiation indicate that with higher temperatures, the intensity of radiation becomes greater, and the peak of the curve shifts toward shorter wavelengths. Objects such as lava become visible to the human eye at high enough temperatures, emitting radiation that progresses through colors red, orange, yellow, and eventually white as temperature increases - each color representing a decrease in wavelength and an increase in intensity.

A soccer ball has 1200 j of kinetic energy and a mass of o.8 kg what is the speed of the ball when it is kicked

Answers

F=MA
1200 j = (0.8 kg)(A)
1200 j / 0.8 kg = A
A= 1500 m/s^2 

Please answer as soon as possible!
A 3.0 cm object is 12.0 cm from a convex mirror that has a focal length of 20.0 cm.
What is the distance of the image from the mirror?
____cm
What is the height of the image?
___cm

Answers

(a) The mirror equation which relates the focal length f, the distance of the object [tex]d_o[/tex] and the distance of the image [tex]d_i[/tex] is 
[tex] \frac{1}{f}= \frac{1}{d_o} + \frac{1}{d_i} [/tex]
where for sign convention we take the focal length of a convex mirror as negative : [tex]f=-20 cm[/tex].
Since we know the distance of the object from the mirror, [tex]d_o=12 cm[/tex], we can find the distance of the image:
[tex] \frac{1}{-20}= \frac{1}{12} + \frac{1}{d_i} [/tex]
from which 
[tex]d_i=-7.52 cm[/tex]
where the negative sign means the image is virtual (located behind the mirror).

(b) We can find the height of the image through the magnification (M) equation:[tex]M= \frac{h_i}{h_o}= -\frac{d_i}{d_o} [/tex]
where [tex]h_i[/tex] and [tex]h_o[/tex] are the height of the image and the object, respectively
.Using [tex]h_o=3 cm[/tex] we can find [tex]h_i[/tex]:
[tex]h_i=h_o ( \frac{-d_i}{d_o})=(3 cm)( \frac{7.52 cm}{12 cm} )=1.88 cm [/tex]
where the positive sign means the image is upright.

Answer:

-30 and 7.5

Explanation:

A sprinkler sprays water out of a hose with a velocity of 6.3 m/s. if the sprinkler is aimed 25° above the ground, at what distance from the sprinkler does the water hit the ground? ignore air resistance and use 9.8 m/s2 for acceleration due to gravity.

Answers

The step by step solution would be:

1. Look for the vertical component of spray, this is calculated by: (sin 25 degrees x 6.3) =2.662 m/sec. 

2. Then look for the time to max height = (v/g) = 2.662/9.8 = 0.272 sec. 

3. Double the amount you got from 2; this is for time to reach the ground, = 0.544 sec. 

4. Then compute for the horizontal V of spray = (cos 25 degrees x 6.3) = 5.710 m/sec. 

5. So the horizontal distance = (5.710 x 0.544) = 3.106 meters. 

Final answer:

To determine the distance the water hits the ground from the sprinkler, projectile motion principles are applied, separating the initial velocity into horizontal and vertical components and then calculating the time of flight and horizontal distance.

Explanation:

A student asked how far water will hit the ground if a sprinkler sprays water at a velocity of 6.3 m/s, aimed 25 degrees above the ground, ignoring air resistance. To solve this, we use the principles of projectile motion. First, decompose the initial velocity into horizontal (vx) and vertical (vy) components. The horizontal velocity, vx = v × cos(θ) and the vertical velocity, vy = v × sin(θ), where θ is the launch angle and v is the initial velocity.

For a projectile landed on the same level from which it was launched, the time of flight, t, is given by t = 2 × vy / g, where g is the acceleration due to gravity (9.8 m/s2). The horizontal distance, or range, R, is then R = vx × t. Substituting the given values, vx = 6.3 × cos(25°) and vy = 6.3 × sin(25°), we can find t and subsequently R.

Which two elements are abundant in the fresh crust that comes from a spreading center?

Answers

A spreading centre, which occurs mainly in the oceans, happens when the magma coming from the crust reaches the water at the ocean floor, cooling and becoming new crust. Generally, the two most abundant elements in the fresh crust of a spreading centre are iron and manganese.

weakly foliated, coarse-grained metamorphic rock that is made mostly of quartz and feldspar is _____. A. skarn B. gneiss C. phyllite D. quartzite

Answers

Hello,

Here is your answer:

The proper answer for this question is option B "Gneiss".

Your answer is B.

If you need anymore help feel free to ask me!

Hope this helps!

__________ are seismic waves that pass through the earth's interior, spreading out from the focus in all directions.

Answers

P-waves and S-waves are seismic waves that pass through the earth's interior, spreading out from the focus in all directions. . P-waves move through solids, liquids, and gases, while S-waves travel only through solids.

Seismic waves are energy waves generated during earthquakes that travel through the Earth's interior, spreading out from the focus.

These waves are categorized into two main types: body waves and surface waves. Body waves, which travel through the Earth's interior, include P-waves (primary waves) and S-waves (secondary waves).Body waves are the first to propagate out from the focus of an earthquake. P-waves are compressional waves that move rock particles forward and backward in the direction of wave travel, allowing them to pass through solids, liquids, and gases. S-waves follow P-waves and are shear waves that move rock particles side-to-side, but they can only travel through solids, not through liquids or gases.Geologists study these seismic waves to understand earthquakes and the Earth's interior structure. As seismic waves travel through different materials, their speed changes, which helps scientists determine the density and composition of various layers within the Earth.

Physical fitness is related to our ability to carry out daily tasks without being too tired or sore. Please select the best answer from the choices provided. T F

Answers

The statement 'physical fitness is related to our ability to carry out daily tasks without being too tired or sore' is TRUE.

What is physical fitness?

Physical fitness refers to the physical activities that involve the concerted functioning of the heart, lungs, and muscles.

Physical fitness is fundamental for improving the ability to carry out different tasks without being tired.

Physical fitness is not only important from a physical perspective but also helps to positively enhance our mental health.

In conclusion, the statement 'physical fitness is related to our ability to carry out daily tasks without being too tired or sore' is TRUE.

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Answer:

true

Explanation:

If 1 meter = 3.28 feet, what is the height of the Washington Monument in meters?

Answers

Since you didn't provide how tall the Monument was, I took the liberty to find it and it is 555 feet tall. So to convert to meters we must divide 555 by 3.28 or multiply it by 0.3048 (this is the method I used).
555 x 0.3048 = 169.164 meters

The height of the Washington Monument can be found out by unit conversation.

Units conversion

Unit conversion is a way of converting some common units into another without changing their real value. for, example, 1 centimeter is equal to 10 mm,

though the real measurement is still the same the units and numerical values have been changed.

The height of the Washington Monument is 554.32 feet.

Given to us1 meter = 3.28 feet

To find

the height of the Washington Monument

Solution

We know that the height of the Washington Monument is 169 meters.

Therefore,

1 meter = 3.28 feet

169 meters = 3.28 x 169 feet

                   = 554.32 feet

Hence, the height of the Washington Monument is 554.32 feet.

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What the difference between monatomic and colloidal gold?

Answers

Final answer:

Monatomic gold refers to individual gold atoms, while colloidal gold includes particles between 1 nanometer and 1 micrometer dispersed in a medium, displaying unique properties such as long-term stability and distinctive colors due to light absorption and scattering.

Explanation:

The difference between monatomic gold (Au) and colloidal gold lies in the size and dispersion of the gold particles. Monatomic gold refers to gold atoms that are not bonded to any other atoms, essentially in an isolated form. In contrast, colloidal gold consists of gold particles that are of colloidal size, meaning they range between 1 nanometer to 1 micrometer in diameter, and are dispersed in another substance, such as water. Colloidal particles are in a kind of “no person's land” between true solutions and solid particles, often not settling under gravity and can exhibit interesting properties such as the characteristic wine-red color of colloidal gold solutions due to selective absorption and scattering of light.

Colloidal gold is highly stable and can remain intact for many years, as illustrated by gold sols created in 1857 that are still intact. The state of dispersion and the color of colloidal gold can change with varying conditions such as particle size or environmental factors. On the other hand, monatomic atoms do not have such collective properties. Colloidal gold plays a significant role in various applications including medical diagnostics, due to its unique optical and chemical characteristics.

what steps are involved in creating hydroelectric power?

Answers

Answer:

Water falls from a reservoir through a channel to a turbine. The water turns the turbines, which allows the generator to make electricity.

It is falling instead of flowing, because elavation is an important part of the hydroeletric power plant, since gravity is a thing, and there was elevation, than it would be falling and not flowing.

Answer:

b

Explanation:

google

What is a nuclear bulge?
a) The bulging corner of a spiral galaxy consisting of gas in the shape of a spiral sphere that circles a galaxy
b) The bulging center of a spiral galaxy consisting of debris in the shape of a flattened sphere that circles a black hole
c) The bulging corner of a spiral galaxy consisting of debris in the shape of a flattened sphere that circles a black hole
d) The bulging center of a spiral galaxy consisting of stars in the shape of a flattened sphere that circles a black hole

Answers

the answer would be D) the building center of a spiral galaxy consisting of stars in the shape of a flattened sphere that circles a black hole 

Answer: d) The bulging center of a spiral galaxy consisting of stars in the shape of a flattened sphere that circles a black hole

Explanation:

Bulge is part of star at the center where stars are closely packed. Most of the spiral galaxies have Bulge at their heart that is at their center. The shape of a bulge resembles that of a flattened sphere. Most of the bulges have high compact mass at their center about which the stars rotate. This high compact mass at the center is assumed to be super-massive black-hole.

Thus, a nuclear bulge can be defines as: d) The bulging center of a spiral galaxy consisting of stars in the shape of a flattened sphere that circles a black hole

the table shows information about the moons of mars what is the orbital period of deimos?
A. 0.0806 days
B. 0.798 days
C. 1.26 days
D. 1.59 days
#please #asap

Answers

The table is missing, however I found the value of the orbital period of Deimos on the web:
[tex]t=30.4 h[/tex]
So, 30.4 hours. With a simple proportion we can convert it in days:
[tex]1 d: 24 h=x:30.4 h[/tex]
from which we find
[tex]x= \frac{30.4}{24}=1.26 d [/tex]
So, 1.26 days, which corresponds to answer C). 

The table shows information about the moons of mars what is the orbital period of Deimos 1.26 days.

What is time period?

The amount of time a given astronomical object takes to complete one orbit around another object.

The table is missing, however I found the value of the orbital time period of Deimos on the web:

t = 30.4 hours

So, 30.4 hours. With a simple proportion we can convert it in days:

1 d: 24 h = x : 30.4 h

from which we find

x = 1.26 day

So, 1.26 days,

The table shows information about the moons of mars what is the orbital time period of Deimos 1.26 days.

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Which example best describes the term carrying capacity?

Answers

When people aboard a plane...the amount of baggage you take has to vary because the plane has a certain carrying capacity.

A spring with a spring constant k of 44 n/m is stretched a distance of 14 cm (0.14 m) from its original unstretched position. what is the increase in potential energy of the spring? j

Answers

The elastic potential energy of a spring is given by
[tex]U= \frac{1}{2} k x^2 [/tex]
where k is the spring's constant and x is the displacement with respect to its unstretched position. 

The initial potential energy of the spring is zero, because it is in unstretched postion, therefore x=0. The final potential energy is instead, using [tex]k=44 N/m[/tex] and [tex]x=0.14 m[/tex],
[tex]U_f = \frac{1}{2} (44 N/m)(0.14 m)^2 = 0.43 J[/tex]

And so, the increase in potential energy is 
[tex]\Delta U=U_f - U_i = 0.43 J-0 J=0.43 J[/tex]

22)Identify one piece of evidence that led astronomers to infer that the universe is expanding?
23)Identify the force that caused stars and planets in the universe to become layered according to density differences in their composition?
24)Identify the nuclear process that combines lighter elements into heavier elements to produce the energy radiated by stars?

Answers

22) One of the first (and strongest) evidences that universe is expanding is Hubble's observation of the redshift of galaxies. In fact, Hubbles studied the light coming from distant galaxies, and by analyzing the redshift of the wavelength of the light coming from those galaxies, he understood that the distance of those galaxies from us were increasing, and so that the universe is expanding.

23) The force responsible for this effect is gravity. In fact, in a planet or in a star the heavier elements experience a stronger gravitational force, therefore they are attracted to the center of the planet/star, while the lighter elements (that experience a weaker gravitational force) remain in the outer regions of the planet/star, creating a "layered structure" with higher density in the center and smaller density in the outer regions.

24) This process is called nuclear fusion. Nuclear fusion occurs mainly in stars: because of the extremely high temperature, the nuclei of lighter elements are able to overcome the electrostatic repulsion between each other, and they are able to become close enough to be in the range of the strong nuclear interaction: the two nuclei combine together into heavier elements, and the mass lost in the process is converted into energy, according to Einstein's relationship:
[tex]E=mc^2[/tex]

A light beam in air strikes the surface of water at an angle of 35° to the normal. When it enters the water it bends toward the normal, making an angle of 25.5° to it. The velocity of light in air is approximately 300,000 km/s. What is the approximate velocity of light in water? A. 77,000 km/s B. 225,000 km/s C. 278,000 km/s D. 341,000 km/s

Answers

Quick Answer B
============
Sin(A)/Sin(B) = v1/v2
A = 25.5
B = 35
v2 = 300,000 km/hr
v1 = ???
Note that this is an inverse relationship.
Sin(25.5)/Sin(35) = v1/300000
v1 = [sin(25.5)/sin(35)] * 300000
sin(A) = 0.4305
Sin(B) = 0.5736
v1 = (0.4305)/0.5736 * 300000
v1 = 225000

If a current of 0.5 A flows in a 75 W light bulb when the voltage difference between the ends of the filament is 150 V, what is the resistance of the filament?

Answers

Power is current times voltage.  Using Ohm's Law V=IR, we can express power in two additional ways:
[tex]P=I^2R \\ P= \frac{V^2}{R} [/tex]
So for P=75W, we can use either of these to get R.  Let's use the first one:
[tex]75W=(0.5A)^2R \\ \frac{75W}{0.25A^2}=300 \Omega [/tex]

Answer:

300 would be the best anwer.

Explanation:

Other Questions
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