A 29.0nC point charge is at the center of a 5.50 m ×5.50 m×5.50 m cube. What is the electric flux through the top surface of the cube? Express your answer in newton meters squared per coulomb.

Answer:

Following are the solution to the given question:

Explanation:

Its best approach to this measurement ought to be to indicate that there was a mistake throughout the calculation, as well as the gathering of further details while researching cells for bacteria, directly measuring the cell length of a colony. This chart illustrates its data, which scientists have observed that there's still a measurement.

Answer:

c

Explanation:

The frequency of the electromagnetic wave exists 9.55 × 1014 Hz and it is classified as ultraviolet.

Any periodic wave can be measured in terms of wavelength and frequency to determine its speed. v = λf.

Any electromagnetic wave travels at the same speed as light in empty space, or c = 3 \(*\)108 m/s.

The frequency of the electromagnetic wave is 9.55 × 1014 Hz and it is classified as ultraviolet.

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Answer:

yes

Explanation:

we can clearly say that our ancestor are our guide.

Because of they give us different knowledge about evolution of life and etc.

Answer:

Specific heat capacity, = 1.43 J/g°C

Explanation:

Given the following data;

Mass = 10 g

Change in temperature = 140°C

Quantity of heat = 2000 J

To find the specific heat capacity;

Heat capacity is given by the formula;

\( Q = mcdt\)

Where;

Making c the subject of formula, we have;

\( c = \frac {Q}{mdt} \)

Substituting into the equation, we have;

\( c = \frac {2000}{10*140} \)

\( c = \frac {2000}{1400} \)

Specific heat capacity, = 1.43 J/g°C

Answer:

The value of \(a\cdot b\times c\) is 0.

Explanation:

The three vectors provided are:

\(a=2i-3j+7k\\b= i+2k\\c=j-k\)

The value to be computed is:

\(a\cdot b\times c\)

Compute the value of (b × c) as follows:

\(b\times c=\left|\begin{array}{ccc}i&j&k\\1&0&2\\0&1&-1\end{array}\right|\)

       \(=\left|\begin{array}{cc}0&2\\1&-1\end{array}\right|i-\left|\begin{array}{cc}1&2\\0&-1\end{array}\right|j+\left|\begin{array}{cc}1&0\\0&1\end{array}\right|k\\\\=-2i+1j+1k\)

Now compute the value of \(a\cdot b\times c\) as follows:

\(a\cdot b\times c=(2i-3j+7k)\cdot (-2i+j+k)\)

           \(=(2\cdot -2)+(-3\cdot 1)+(7\cdot1)\\\\=-4-3+7\\\\=0\)

Thus, the value of \(a\cdot b\times c\) is 0.

Answer:

This creates a convection current and thermal energy is transformed into kinetic mechanical energy in the form of moving air or wind. A wind turbine transforms the mechanical energy of wind into electrical energy.

Answer:

Is a

Explanation:

The incorrect statement about action potentials is: Hyperpolarization is due to voltage-gated potassium channels that close slowly.

Hyperpolarization refers to a change in the membrane potential of a neuron, making it more negative than the resting potential. It occurs after an action potential when the membrane potential briefly becomes more negative than the resting potential.

This hyperpolarization is primarily caused by the efflux of potassium ions (K+) through open voltage-gated potassium channels.

During an action potential, sodium ions (Na+) move into the cell, while potassium ions (K+) move out of the cell. These ion movements are facilitated by voltage-gated channels. Sodium channels have both activation and inactivation gates.

The activation gate responds to changes in the membrane potential, opening the channel when the threshold is reached, allowing sodium ions to enter the cell. The inactivation gate helps close the channel to prevent further sodium ion influx.

On the other hand, voltage-gated potassium channels are responsible for the efflux of potassium ions during repolarization and hyperpolarization.

These channels open in response to depolarization of the membrane potential, allowing potassium ions to move out of the cell and restore the negative charge inside the neuron.

In reality, hyperpolarization is caused by the efflux of potassium ions through voltage-gated potassium channels.

Therefore, the incorrect statement is that hyperpolarization is due to voltage-gated potassium channels that close slowly.

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The energy stored on the capacitor is 1.44 joules.

E = 0.5 * C * V²

Plugging in the given values, we get:

E = 0.5 * 183 nF * (125 V)²

Note that we need to convert the capacitance from nanofarads (nF) to farads (F) to get the correct answer. 183 nF is equal to 0.183 microfarads (uF) or 0.000183 F.

E = 0.5 * 0.000183 F * (125 V)²

E = 1.44 J

A capacitor is an electronic component that stores electrical charge. It consists of two conductive plates separated by a non-conductive material, or dielectric. When a voltage is applied to the capacitor, charge accumulates on the plates, creating an electric field between them.

The capacitance of a capacitor is a measure of its ability to store charge and is determined by the size of the plates, the distance between them, and the type of dielectric used. Capacitors are commonly used in electronic circuits for filtering, smoothing, and timing, and can be found in a wide range of devices such as power supplies, amplifiers, and filters. The energy stored in a capacitor is proportional to the square of the voltage across it and the capacitance of the capacitor. Capacitors can discharge their stored energy rapidly, making them useful in applications such as flash photography and defibrillators.

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Answer:

- 5.32 m/s^2

Explanation:

vo = original velocity = 34.5  m/s

vf = final velocity = 0

t = 6.48 s

vf = vo  + at

0 = 34.5 + a (6.48)

a = - 5.32 m/s^2    <=====NOTE:  a negative acceleration is a DEcceleration

Calculate the mass, volume, and density of the nuclide ⁶⁹Ni. _1.14387 x \(10^{-25}\) kg _ m3 _ (1.14387 x \(10^{-25}\)_ kg/m3

To calculate the mass, volume, and density of the nuclide ⁶⁹Ni, we need to utilize the atomic mass and the density formula.

Mass: The atomic mass of ⁶⁹Ni is given as 69 atomic mass units (amu). To convert this to kilograms (kg), we need to use the conversion factor of 1 amu = \(1.66054 * 10^ {-27}\) kg. Thus, the mass of ⁶⁹Ni is calculated as follows:

Mass = 69 amu * (1.66054 x \(10^{-27}\) kg/1 amu) = 1.14387 x \(10^{-25}\) kg

Volume: To determine the volume, we need to know the density of ⁶⁹Ni. Let’s assume the density is ρ kg/m³. The volume (V) can be calculated using the formula:

Density = Mass / Volume

Solving for volume, we have:

Volume = Mass / Density

Substituting the known values, we get:

V = (1.14387 x\(10^{-25}\) kg) / ρ

3. Density: To find the density, we rearrange the density formula:

Density = Mass / Volume

Substituting the known values, we get:

Density = (1.14387 x \(10^{-25}\) kg) / V

In summary, the mass of ⁶⁹Ni is approximately 1.14387 x\(10^{-25}\) kg, the volume is given by V = (1.14387 x \(10^{-25}\) kg) / ρ, and the density is obtained from Density = (1.14387 x \(10^{-25}\) kg) / V. The density value will depend on the specific value assigned to ρ.

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Answer: B

Explanation:

Answer:

yea, force is mass x acceleration

Based on the first law of thermodynamics, the energy gained by a system is equal to the energy lost by the surroundings.

The laws of thermodynamics can be summarised as follow

From the laws given above precisely the first law, we can conclude that the energy gained by a system is equal to the energy lost by the surroundings

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The density of sugar, which is in 1.58 g/cm³, is equivalent to 0.05708 in/in³.

Density is a measure of the mass of matter contained by a unit volume.

Density is a function of mass and density, hence, it is measured in units of grams (g) and cubic centimeters (cm³).

However, cubic centimeters can be converted to pounds per cubic inch as follows:

1 gram / cubic centimetre = 0.0361 pound / cubic inch

According to this question, the density of sugar is 1.58 g/cm³. This value is equivalent to;

= 1.58 × 0.0361 = 0.05708

Therefore, the density of sugar, which is in 1.58 g/cm³, is equivalent to 0.05708 in/in³.

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The amount of current that leaves the battery will decrease when light bulb E is unscrewed and removed from the circuit. Based on the available information, we cannot determine whether bulb A gets brighter, dimmer, or stays the same brightness.

The reason is that there is not enough information about the circuit or the behavior of other bulbs in the circuit.

However, we are given a hint that the brightness of a light bulb is related to the square of the current that passes through it and the resistance of the bulb. This means that if the current passing through bulb A increases, its brightness will increase as well, and if the current passing through bulb A decreases, its brightness will decrease.

For part B, when light bulb E is unscrewed and removed from the circuit, the total resistance of the circuit will increase since there is now one less bulb for the current to flow through. According to Ohm's law, the current passing through the circuit is directly proportional to the voltage and inversely proportional to the resistance.

Since the voltage of the battery remains constant, the current passing through the circuit will decrease when the resistance of the circuit increases. Therefore, the amount of current that leaves the battery will decrease when light bulb E is unscrewed and removed from the circuit.

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The mantissa distance, which is referred to as the decimal portion of a logarithm, has a value of 0.030 in this number.

A common logarithm's integral portion is known as the characteristic, and its non-negative decimal portion is known as the mantissa. If log 39.2 equals 1.5933, then 1 is the characteristic and 5933 is the logarithm's mantissa.

The base-10 logarithm's mantissa, which represents the digits of the provided integer but not its magnitude, is a common logarithm's fractional component. For instance, both ㏒10201.3010 and                    ㏒102002.3010 have a mantissa of 0.3010.

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Answer:

No

Explanation:

It will never decay to zero

after one half life there is 1/2 left

  after the next half life thee is   1/2 * 1/2 = 1/4 left

     then 1/8th    then  1/16 th   then   1/32     1/64     1/128 ........to infinity  

        while htere is a VERY small amount left , there will never be ZERO left

The rocks of the Appalachian Blue Ridge are dominated by metamorphic rocks, specifically the type known as gneiss. Gneiss is a type of metamorphic rock that is formed when preexisting rocks, such as granite, shale, or volcanic rock, are subjected to high temperatures and pressures over a long period of time.

The resulting gneiss has a banded texture, with alternating light and dark layers that reflect the different minerals that were present in the original rock. Gneiss is a common rock type in the Appalachian Mountains, which was formed by the collision of tectonic plates over 300 million years ago. The Blue Ridge region, in particular, is characterized by a series of ridges and valleys that are sculpted from the resistant gneiss formations.

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The required order of circular velocities, from smallest to largest is calculated to be d < a < c < b, where, a, b, c, d are the given options.

The velocity equation for the objects moving in circular motion is given by the equation,

v = √(G m/r)

where,

v is the velocity

G is the Gravitational constant

m is the mass of the object

r is the radius of the orbit

a. A 5 kg object halfway to the Moon circling the Earth

In this case, the radius of the orbit is the half of the distance between the Earth and the moon.

r = distance between earth and moon/2 = 384400000 m/2 = 192200000 m

So, v₁ = √(G m/r) = √(6.67408× 10⁻¹¹ × 5/192200000) = 1.317 × 10⁻⁹ m/s

b. A 10-kilogram object is circling the planet just above its surface

The orbit's radius is similar to the size of the planet Earth.

r = r earth = 6371000 m

So, v₂ = √(G m/r) = √(6.67408× 10⁻¹¹ × 10/6371000) = 1.02 × 10⁻⁸ m/s

c. A 15 kg object circling the Earth at a distance equal to that of the Moon

r = distance between the earth and the moon = 384400000 m

So, v₃ = √(G m/r) = √(6.67408× 10⁻¹¹ × 15/384400000) = 1.61 × 10⁻⁹ m/s

d. A 20 kg object that is circling the Earth and is one-quarter to the Moon

r = 1/4(distance between the earth and the moon) = 384400000 m/4 = 96100000 m

So, v₄ = √(G m/r) = √(6.67408× 10⁻¹¹ × 20/96100000) = 1.17 × 10⁻⁹ m/s

Thus, v₄ < v₁ < v₃ < v₂. And the order of options are d < a < c < b.

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Answer:

164

Explanation:

In dwelling unit basements, at least one receptacle outlet must be installed in addition to the laundry outlet.

What determines the minimum number of receptacles in a given dwelling?

The amount of wall space determines the minimum number of receptacle outlets in a given dwelling. Wall space is measured horizontally along the floor line. Although the Code spells out requirements for the minimum number of receptacles in a dwelling, it does not limit the number of receptacle outlets.

The receptacle definition of electrical receptacles are types of sockets or outlets that provide a location in a system where the wire can be inserted to provide electrical current.

What is the receptacle used for?

Electrical outlets, also known as receptacles, are sockets that are used to establish an electrical connection between an electronic device and power supply.

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Answer:

The three primaryfactors of evaporation are heat, atmospheric pressure (which determines the percentage of moisture) and the movementofair. At the molecular level, there is no strict boundary between the liquid state and the vapor state

Answer:

The tendency of an object to resist changes in its state of motion varies with mass. Mass is that quantity that is solely dependent upon the inertia of an object. The more inertia that an object has, the more mass that it has. A more massive object has a greater tendency to resist changes in its state of motion.

The universe has four different types of galaxies: elliptical, spiral, barred spiral, and irregular. Although there are other sorts of galaxies besides these, which are the four primary categories, they are all categorized according to their shapes.

A galaxy's shape is a result of a combination of the gravitational pull of the gas clouds' internal gravity and the spinning gas cloud's centrifugal force. Because of the spinning gas cloud's centrifugal force, all galaxies were born with an elliptical form.

Due to the fact that galaxies rotate around a central axis and due to a phenomenon known as "density waves," astronomers think that galaxies have spiral arms. Galactic density waves are comparable to ocean waves. In a pond, the water doesn't actually move; instead, wave energy moves and changes the water as it passes.

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Answer:

7.83 miles

Explanation:

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

Speed = 7 m/s

Time = 30 mins

Distance travelled =?

Next, we shall convert 30 mins to seconds. This can be obtained as follow:

1 min = 60 s

Therefore,

30 mins = 30 min/ 1 min × 60 s

30 mins = 1800 s

Therefore, 30 mins is equivalent to 1800 s.

Next, we shall determine distance travelled by the bear.

This can be obtained as follow:

Speed = 7 m/s

Time = 1800 s

Distance travelled =..?

Speed = Distance travelled /time

7 = Distance /1800

Cross multiply

Distance travelled = 7 × 1800

Distance travelled = 12600 m

Finally, we shall convert 12600 m to miles. This can be obtained as follow:

1609 m = 1 mile

Therefore,

12600 m = 12600 m / 1609 m × 1 mile

12600 m = 7.83 miles

Therefore, 12600 m is equivalent to 7.83 miles.

Thus, the bear runs 7.83 miles.