Which statement accurately describes current electricity?
A. It is caused by the buildup of positively charged particles.
B. It is caused by separated positively or negatively charged
particles.
C. It is caused by flowing negatively charged particles.
D. It is caused by stationary positively and negatively charged
particles.

The second smallest planet in our solar system is Mars.

Mars is the answer to the question. It is the fourth planet from the Sun and is often referred to as the "Red Planet" due to its reddish appearance.

In terms of size, Mars is the second smallest planet in our solar system, with a diameter of approximately 6,779 kilometers (4,212 miles).

Mercury is the smallest planet in our solar system, but since the question asks for the second smallest planet,

Mars fits the criteria. It is larger than Mercury, Earth being the third smallest and Venus being the fourth smallest.

Mars has been a subject of fascination and exploration due to its potential for hosting life and its similarity to Earth in certain aspects.

Multiple space missions, including rovers and orbiters, have been sent to Mars to study its surface, atmosphere, and search for signs of past or present life.

Overall, Mars holds a significant place in our solar system as a neighboring planet that has captivated scientific interest and continues to be a target for future exploration.

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The quantum mechanical model of the atom, each subshell is characterized by a letter designation that corresponds to its value of l. The subshell with l=1 is the p subshell, which can hold a maximum of 6 electrons.

Therefore, the element to which this atom belongs must have its highest-energy valence electrons in the 5p subshell. There are several elements that have their valence electrons in the 5p subshell, including antimony (Sb), tellurium (Te), and iodine (I).

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Answer:

Condensation

Explanation:

Answer:

Condensation! Hope this helps!!!

Explanation:

Estimating the number of apples that is the energy equivalent of 1 gallon of gasoline is difficult, as the energy content of both substances is different. However, we can calculate the energy content of one gallon of gasoline and compare it to the energy content of one apple. So, approximately 1,045,454 medium-sized apples will be the energy equivalent of one gallon of gasoline.

Explanation:

What is the energy content of 1 gallon of gasoline?

The energy content of gasoline is measured in British Thermal Units (BTUs). According to the US Energy Information Administration, one gallon of gasoline contains approximately 115,000 BTUs.Therefore, to calculate the number of apples that are the energy equivalent of one gallon of gasoline, we need to determine the energy content of one apple.

Calculating the energy content of apples:

The energy content of an apple varies depending on its size and type, but on average, one medium-sized apple contains about 95 calories or 0.00011 BTUs.To calculate how many apples are equivalent to one gallon of gasoline, divide the BTU content of gasoline by the BTU content of one apple:115,000 BTUs ÷ 0.00011 BTUs/apple ≈ 1,045,454 applesTherefore, approximately 1,045,454 medium-sized apples are the energy equivalent of one gallon of gasoline.

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When the acceleration is constant from instant to moment, the kinematic equation cannot be employed.

The equations are applicable to any motion that can be classified as either a constant acceleration motion (with an acceleration of 0 m/s/s) or a constant velocity motion (with an acceleration of 0 m/s/s). They are never permitted to be employed over any time frame where the acceleration is fluctuating.

We may use a straightforward equation to calculate the average velocity of an object because kinematics equations are utilized when the object's acceleration is constant. Adding the beginning velocity to the final velocity and dividing by two yields the average velocity.

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Answer:

Volumetric cylinders (would appreciate brainliest

Explanation:

Volumetric cylinders and volumetric flasks are used to measure volume of liquids contained in them. They are calibrated for volume included in them - this is indicated by the marking "IN". The liquid has accurate volume when it reaches the corresponding marking on the scale.

It is 18 the answer is 18

Kinetic energy is half of the total energy when displacement is half the amplitude in simple harmonic motion.

In simple harmonic motion, a block attached to a spring undergoes back and forth oscillations on a horizontal frictionless surface.

The total energy of the system is 50.0 J.

When the displacement is half the amplitude, we need to find the kinetic energy of the block.

The amplitude is the maximum displacement from the equilibrium position.

At this point, the block's potential energy is maximum and kinetic energy is zero.

As the block moves away from the equilibrium position, the potential energy decreases and the kinetic energy increases.

When the displacement is half the amplitude, the potential energy is 25.0 J.

Therefore, the kinetic energy must also be 25.0 J, since the total energy of the system remains constant.

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We will have the following:

So, the nergy is 2.3 J.

========================================================

Explanation:

At 0 Kelvin, we're at the coldest temperature possible which is referred to as absolute zero. We cannot get any colder than this. At this temperature, the molecules aren't moving or vibrating to provide heat energy. The higher the temperature, the more the molecules are moving or vibrating.

The 0 degree mark on the Celsius scale is well above absolute zero. So that allows for negative Celsius temperatures to be possible. The same can be said about Fahrenheit as well. We cannot have negative Kelvin temperatures.

The horizontal acceleration and vertical acceleration values in a bullet fired horizontally from a rifle to a distant target are \(0ms^{-2}\) and \(10ms^{-2}\).Therefore, the correct answer is option C\((0ms^{-2} & 10ms^{-2} ).\)

A bullet is a projectile that is fired from a firearm. The act of firing a gun propels the bullet forward at a high rate of speed. The bullet is propelled through the air in a parabolic shape as a result of the forces that act on it. A bullet is subject to two types of forces: horizontal and vertical forces.Because the bullet's movement is in the horizontal direction when fired from a rifle, the horizontal acceleration is zero.

Because the bullet is subject to gravity's force in the vertical direction, the vertical acceleration is \(10ms^{-2}\) when the bullet is fired horizontally at a distant target, ignoring the impact of air resistance.

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To determine the spring constant, we can use the formula for the period of oscillation of a mass-spring system, which is T = 2π√(m/k), where T is the period, m is the mass, and k is the spring constant.

First, we need to find the period (T). The given information is that the mass makes 22 complete vibrations in 3.4 seconds. To find the period, divide the total time by the number of vibrations:

T = 3.4 s / 22 vibrations = 0.1545 s/vibration

Now, we can rearrange the formula to solve for k:

k = (4π²m) / T²

Plugging in the values we have:

k = (4π² × 0.022 kg) / (0.1545 s)²
k = 0.0172 kg/s²

Now, convert kg/s² to N/m (1 kg⋅m/s² = 1 N):

k = 0.0172 N/m

Comparing this value to the given options, option 9 (23.6871) is the closest value to our calculated k.

Therefore, the spring constant is approximately 23.6871 N/m.

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It is FALSE that the proportionality dependence of the current (i) through any conductor to the voltage (v) across it and its resistance (r) is true for all conductors regardless of temperature.

When the conductors have a higher temperature, the molecules in the conductor will be more crowded and the result is the resistance of the conductor will rise. Hence, the current flowing through the conductor will decrease in the same voltage.

In the lower temperature, the resistance of the conductor will decrease and lead to more current flowing through the conductor in the same voltage.

Thus, the conductor temperature has an effect on its resistance.

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Answer:

It is always constant unlike weight

While rounding a curve, inertia experiences a tug toward the outside.

At this level, calling a force a pushing or a pulling is entirely appropriate. A force isn't something an object "has in it" or that it "contains." One thing experiences a force from another. There are both living things and non-living objects in the concept of a force.

A live thing's physical strength or power: He exerted all of his physical strength to open the window. To apply force on someone or something, such as to open a window, is to exert strength or authority over it. Force can also refer to physical coercion or violence.

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If the total work is 3/4 j, then the total work is 3/4 j, the distance is 5 m, and the force required to push the box 5 m is 3/20 j/m, which is calculated using the formula: force (F) = work (W) / distance (D).

Total work = 3/4 j

Distance = 5 m

Work (W) = Force (F) x Distance (D)

Force (F) = Work (W) / Distance (D)

(W = 3/4 j ,D = 5 m)

F = W / D

F = (3/4 j) / (5 m)

F = (3/4) × (1 j/ 5 m)

F = 3/20 j/m

Hence, the total work is 3/4 j, the distance is 5 m, and the force required to push the box 5 m is 3/20 j/m, which is calculated using the formula: force (F) = work (W) / distance (D).

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The producer of refrigerator compressors needs to determine the number of kanbans required for implementing a just-in-time production line to meet the demand for 150 compressors per day from a neighboring appliance manufacturer.

To calculate the number of kanbans required, we need to consider the production lead time, safety stock factor, and optimal production quantity. The production lead time is 5 days, which means that it takes 5 days to produce a batch of compressors once the production process starts.

The safety stock factor is 17%, indicating that the producer wants to maintain an additional 17% of the daily demand as safety stock to mitigate any unforeseen fluctuations. The optimal production quantity is 95 units, which is the batch size that minimizes setup costs.

To determine the number of kanbans, we first need to calculate the total demand during the production lead time. Since the demand is 150 compressors per day and the lead time is 5 days, the total demand during the lead time is 150 compressors/day * 5 days = 750 compressors. Adding the safety stock, the total demand becomes 750 compressors + (17% * 150 compressors) = 750 compressors + 25.5 compressors = 775.5 compressors.

Next, we divide the total demand by the optimal production quantity to get the number of kanbans required. The number of kanbans is calculated as 775.5 compressors / 95 compressors per kanban = 8.16 kanbans. Since we cannot have a fraction of a kanban, we round up to the nearest whole number. Therefore, the producer of compressors requires 9 kanbans to meet the demand of 150 compressors per day from the neighboring appliance manufacturer.

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The complete question is:

A producer of refrigerator compressors wants to implement a just-in-time production line to support demand from a neighboring appliance manufacturer. Demand from the appliance manufacturer is for 150 compressors a day. The production lead time is 5 days and the producer wants to have a 17% safety stock factor. This producer has also cut setup costs such that the optimal production quantity is 95 units. How many kanbans does this producer of compressors require?

Answer:

99kg m/s

Explanation:

\(p=m\Delta v \\\\\Delta v=20-0.20=19.8m/s \\\\p=5(19.8)=99\)

Hope this helps!

Answer:

Solution,

Initial speed(u)=20 m/s

final speed(v)=0.20 m/s

change in momentum∆P=m(v-u)

∆P=5(0.20-20)

∆P=5*19.8

∆P=99 kg m/s

Momentum of the body is decreased by 99 kg m/s

hope this helps...

Good luck on your assignment...

The length of nylon rope from which a mountain climber is suspended has a force constant of 1.15 ✕ 104 N/m.

Spring constant is the common name for the force constant. Hooke's law states that F=-kx. k=N/m is used to replace units in the equation where F is force, x is displacement, and k is force constant (spring constant) to determine the SI unit of force constant (spring constant).

The slope (gradient) of the graph equals the force constant. The proportionality constant, or k, is also known as the force constant in physics. A spring that is more rigid will have a higher value for k. The graph is no longer a straight line beyond point A since the gradient has changed and the formula F = Kx is no longer valid.

Maximum speed is at equilibrium where:

F = kx ⇒x =F/k

Now, F x=1/2mv²+1/2kx²

Solving we get,

V=F/√mk=Vmax

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Answer:

No, the eggs are in direct contact with the metal pan, which is in direct contact with the gas flame, so this is conduction, not radiation

Reasons:
-Thermal energy is being transferred by conduction.

-Radiation transfers thermal energy by electromagnetic waves.

-Radiation does not transfer thermal energy by direct contact.

Radiation heat transfer is a process where heatwaves are emitted that may be absorbed, reflected, or transmitted through a colder "body". Sun heats the earth by electromagnetic waves. The sun does not come in physical contact with the Earth to transfer heat. (In my opinion, the Earth touching the sun would not be on my to-do list.)

Explanation:

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The impulse that Earth exerts on a 210 g apple that is falling from a tree during the first 0.50 seconds can be calculated using the formula for impulse.

Impulse is defined as the change in momentum of an object, and is given by the equation:

J = Δp

where,

J is the impulse.

Δp is the change in momentum.

To calculate the impulse that Earth exerts on the apple, we need to know the initial momentum and the final momentum of the apple during the first 0.50 seconds.

Since the apple is falling freely, its initial momentum is zero (because it is at rest), and its final momentum can be calculated using the formula:

p = mv

where,

p is the momentum.

m is the mass.

v is the velocity.

Since the apple is falling freely, we can use the equation for free fall to find the velocity:

v = gt

where g is the acceleration due to gravity, and t is the time.

At the end of 0.50 seconds, the velocity of the apple can be calculated as: v = gt = (9.8 m/s²)(0.50 s) = 4.9 m/s.

Therefore, the final momentum of the apple can be calculated as:

p = mv = (0.210 kg)(4.9 m/s) = 1.029 kg m/s.

The change in momentum (Δp) during the first 0.50 seconds is simply the final momentum, since the initial momentum is zero.

Therefore, the impulse that Earth exerts on the apple during the first 0.50 seconds is given by:J = Δp = 1.029 kg m/s

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Answer:

Temperature change

Explanation:

Answer:a repulsive electrical force. ... postulates that an electric field surrounds each charged object. If the distance between two spherical charged objects increases by a factor of two, then the electrical force between the objects. decreases by a factor of four.

Explanation: does this help

A very powerful vacuum cleaner has a hose 2.27 cm in diameter. The atmospheric pressure is 1.00 atm=101,300 Pa. then vacuume cleaner generate the force F = 65.1 N

A line that is straight and cuts through the middle of a body or figure. Particularly: the length of a diameter; a line segment passing through the center of a circle with its ends on the circumference.

Given,

diameter of the nose is d= 2.86 cm

radius of the nose r= 1.43 cm = 1.43× \(10^{-2}\) m

We know F=P.A

where P is the atmospheric pressure and A is the surface area of the circulsr nose F is the force exerted by vacuume cleaner on the air

∴ F=P ( \(\pi r^{2}\))

we know atmospheric pressure, p=1.013×\(10^{5}\) pa

F = 1.013 × \(10^{5}\) × 3.14 (1.43 × \(10^{-2}\)) ^2

⇒ 65.1 N

⇒ F = 65.1 N

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Answer:

C

Explanation: Study Island

Answer:

The Straight Line Graph

Explanation:

The force exerted by a magnet is called The push or pull of magnetism can act at a distance, which means that the magnet does not have to touch an object to exert a force on it. ... In fact, magnetism is the result of a moving electric charge.Explanation:

thanks! i need the brainliest to level up :)

1. Heat causes magnetic bodies to lose their magnetic force. For each material of magnet, there is a Curie temperature, or temperature at which the heat will destroy the polarization of the material, causing it to loses its magnetic properties.

2. In unmagnetized materials the domains are randomly aligned in different directions and cancel each other out. In a magnet, all the domains are oriented in the same direction. In the case of a nail, the domains can be aligned in the same direction causing the nail to become magnetic.

3. because after got attracting they will also got act as magnets since they would also get North and South poles so in the case of same poles they had repulsion.

4. We know that magnetic fields exert forces on moving electrons for example. ... When you are in the middle of the magnet, the metal object is being pulled more or less equally in both directions, and so the result is that the object doesn't really feel a force in either direction, they cancel each other out.

i hope this helps you!! <3

The output power of a solar panel can be calculated by multiplying the incident power from the sun by the efficiency of the solar panel. Given that the incident power from the sun is 1040 W/m^2 and the efficiency of the solar panel is 12% (0.12), we can calculate the output power as follows:

Output power = (incident power) × (efficiency)

Output power = 1040 W/m^2 × 0.12

Output power = 124.8 W/m^2

Since we have a 1m by 1m solar panel, the output power can be obtained by multiplying the power per unit area by the area of the solar panel (1m^2):

Output power = 124.8 W/m^2 × 1 m^2

Output power = 124.8 W

Therefore, the output power of the 1m by 1m solar panel with an efficiency of 12% is approximately 125 W. Hence, the correct answer is option (c) 8700 W.

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Answer:

leaves will deverge

Explanation:

because of the nagwtive charge will become positive

Answer:

anodizing and chrome planting

Explanation:

they prevent corrosion