If a dielectric is inserted between the plates of a parallel-plate capacitor that is connected to a 100-V battery: Group of answer choices the electric field between the plates decreases the electric field between the plates increases the charege on the capacitor plates decreases the voltage across the capacitor decreases.

Answer:150g

Explanation:

a) you can use formula: m=D.V

with: D= 1000kg/m³ and V=0,15m³

Answer:

\(6.3\ m/s^2\)

Explanation:

Given that,

If the mass of a body is 15 kg and produced an 4.2 m/s², we need to find the acceleration if the mass is 10 kg and the same force is applied.

Force is given by :

F = ma

Since force is same

\(m_1a_1=m_2a_2\\\\a_2=\dfrac{m_1a_1}{m_2}\\\\a_2=\dfrac{15\times 4.2}{10}\\\\a=6.3\ m/s^2\)

So, if the mass is 10 kg, acceleration is \(6.3\ m/s^2\)

Answer:

The Coriolis Effect, in combination with an area of high pressure, causes the prevailing winds—the trade winds—to move from east to west on both sides of the equator across this 60-degree "belt."

Explanation:

if its wrong welp sorry that what i know,

Answer:

The velocity of Skater A will decrease and the velocity of Skater B will increase. This occurs due to conservation of momentum, which states that the total momentum of a system remains constant.

Explanation:

In this case, the total momentum of the system is the sum of the momentum of Skaters A and B. Since Skater B was initially at rest, the momentum of the system was equal to the momentum of Skater A. Therefore, when Skater A collides with Skater B, the momentum of the system must remain constant. This can be achieved by transferring some of Skater A's momentum to Skater B, which results in Skater A's velocity decreasing and Skater B's velocity increasing.

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If an airplane is loaded with the Center of Gravity (CG) aft of the rear CG limit, it could increase the likelihood of inadvertent overstress and make it more difficult to flare for landing.

The Center of Gravity (CG) of an aircraft plays a crucial role in its stability and control. If the CG is located aft of the rear CG limit, it can have adverse effects on the airplane's performance. Firstly, it increases the likelihood of inadvertent overstress. When the CG is too far aft, the aircraft becomes less stable, making it more susceptible to sudden pitch changes and possible structural damage due to excessive loads. Secondly, having the CG aft of the rear limit makes it more difficult to flare for landing. Flaring is the process of raising the nose of the aircraft just before touchdown to reduce the rate of descent. With an aft CG, the aircraft's pitch control authority decreases, making it harder to perform a smooth flare and potentially leading to a harder landing. The location of the CG alone does not directly affect an aircraft's ability to recover from these situations.

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Answer:

53.5 N

Explanation:

Vertical component of the F force   50 sin30    = 25 N  upward

   force of gravity = m g = 8 * 9.81 =78.5 N Downward

NET downward force by block on table = net upward force exerted by table =  78.5 -25 =53.5 N

Answer: a = 8.10 m/s^2

Explanation:

The car starts at rest, so:

V0= 0m/s

t= 5.21m/s

S = 110.0 m

Using one of the five uniformly accelerated motion formulas

S= V0t + 1/2 at^2

but V0 = 0 m/s

S = 1/2 at^2

a= 2S/ t^2

a = 2(110m)/ (5.21 s)^2

a = 8.10 m/s^2

To calculate the work done by the ground on the runner, we need to use the work-energy principle. The work done is equal to the change in kinetic energy.

Given:

Mass of the runner (m) = 76 kg

Initial velocity (u) = 6 m/s

Final velocity (v) = 0 m/s

Time taken (t) = 4 seconds

Distance traveled (s) = 12 m

First, we can calculate the change in kinetic energy:

Change in kinetic energy = (1/2) * m * (v^2 - u^2)

Substituting the values:

Change in kinetic energy = (1/2) * 76 * (0^2 - 6^2) = -1368 J

Since the runner comes to a stop, the work done by the ground is equal to the negative change in kinetic energy:

Work done by the ground = -(-1368) J = 1368 J

Therefore, the ground did 1368 Joules of work on the runner.

For Question 2:

The most reasonable estimate for the power output of a person who is greatly exerting themselves can vary depending on the context and individual. However, a reasonable range for power output during intense physical activity is typically between 100 W to 1000 W. Therefore, the options 100 W, 1000 W, and 10,000 W would be the most reasonable estimates for the power output of a person who is greatly exerting themselves.

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The magnitude of net force which is required to accelerate the ball is 240 Newtons.

The net force is the vector sum of all the forces which are acting on a particle or an object. The net force is a single force which replaces the effect of the original forces which are acting on the particle's motion.

F = m × a

where, F = net force,

m = mass of the object,

a = acceleration of the object

F = 0.3 × 800

F = 240N

Therefore, the net force which is required to accelerate the ball is 240 Newtons.

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The angle in the pre-image that corresponds to ∠D in the image is ∠P.

Correspond is a verb that means to communicate with another person or group in writing. It can also mean to match or correspond in kind or degree. Correspondence is the exchange of written communication between two people or groups. For example, a company might correspond with its customers through email, letters, or other forms of communication. Correspondence can also refer to the relationship between two or more things that are similar or have a connection. In this context, it means that two or more things correspond to each other in some way.

This is because when a figure is rotated 180 degrees about a point, the angle in the pre-image will be the same as the angle in the image, but in the opposite direction. Therefore, in this case, the angle in the pre-image that corresponds to ∠D in the image is ∠P.

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The time taken by the planet Mars to complete one orbit of the Sun is 5.94 x 10⁷ seconds.

Given information: In the spring of 2021, the New Horizons spacecraft reached a distance of 50 astronomical units ("AU") from Earth. One astronomical unit is the distance from the Earth to the Sun or about 150 million km.

Calculation: To find how many km was New Horizons from Earth, we need to multiply the distance in AU by the conversion factor. 1 AU = 150 million km 50 AU = 50 x 150 million km = 7.5 billion km Thus, the New Horizons spacecraft was 7.5 billion km from Earth in the spring of 2021. Now, let's move on to the second question. The planet Mars completes one orbit of the Sun in 687 days. We need to express this time in seconds using scientific notation.

To convert days to seconds, we need to multiply the number of days by the conversion factor. 1 day = 86400 seconds 687 days = 687 x 86400 seconds= 5.94 x 10⁷ seconds (using scientific notation) Therefore, the time taken by the planet Mars to complete one orbit of the Sun is 5.94 x 10⁷ seconds.

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The kinetic theory of matter states that matter is made up of tiny particles that are in constant motion. When a substance is heated, kinetic energy of its particles increases, causing them to move faster and further apart.

The substance may eventually reach its boiling point, at which vapor pressure of the liquid equals pressure of the surrounding atmosphere. Boiling occurs when the kinetic energy of the particles in a liquid overcomes the attractive forces between them, causing the liquid to change into a gas. At the boiling point, causing bubbles to form and rise to the surface. Saturated vapor pressure is pressure exerted by vapor of a substance in equilibrium with its liquid phase at a given temperature.

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Answer: Yes

Explanation: It's possible to burn paper using convex (magnifying) lens during the day.

Answer:he is correct

Explanation: when Donald runs all his weight is moving at the same speed so when all that weight hits a stopped object the weight will transfer its force into that object Kinda like how a truck hits a car

In Arthur Miller's play "The Crucible," John Proctor is the protagonist and central character.

He faces a moral dilemma and internal conflict as he grapples with his own integrity. Proctor emerges as a critic of the witch trials, opposing the hysteria and challenging the authority of the court.

He undergoes a transformation, sacrificing his reputation and ultimately his life in an attempt to expose the truth and save innocent lives.

Proctor's flawed but fundamentally good-hearted nature and his tragic fate elicit sympathy from the audience. Through his character, the play explores themes of morality, truth, and the consequences of societal hysteria.

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The difference in kilowatt-hours of monthly energy production between an average local wind speed of 15 miles per hour and an average local wind speed of 10 miles per hour is 5 miles per hour.

Energy production refers to how a lot of number one power a country extracts from nature. that is the whole of all of the harvested number one fuels and number one energy flows. word manufacturing ignores both imports and exports, and sums up what's extracted from nature.

In modern-day wind generators, wind rotates the rotor blades, which convert kinetic energy into rotational energy. This rotational power is transferred with the aid of a shaft to the generator, thereby producing electrical power.

Calculation:-

local wind speed of 15 miles per hour.

an average local wind speed of 10 miles per hour.

Therefore difference = 15 - 10

                                   =  5 miles per hour.

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The amount of helium atoms lined up side to side that  would span the diameter of a human hair is: 1.5625*10^6  atoms

To solve this problem the we have to do the conversion of units with the given information.

Information about the problem:

By converting the units of the helium atom's diameter from nm to mm, we have:

d(helium atom)= 0.064 nm * 1 m/1*10^6 mm

d(helium atom)=  6.4*10^-8 mm

To know how many helium atoms lined up side to side would span the diameter of a human hair, we have to do a division as a following:

amount of helium atoms lined up side to side= d(human hair)/d(helium atom)

amount of helium atoms lined up side to side= 0.1 mm/6.4*10^-8 mm

amount of helium atoms lined up side to side= 0.1 mm/6.4*10^-8 mm

amount of helium atoms lined up side to side= 1.5625*10^6

It is the transformation of a value expressed in one unit of measurement into an equivalent value expressed in another unit of measurement of the same nature.

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Answer: the marble will remain in place at a constant velocity of zero

Explanation:

Newton's first law states that a body at rest will remain at rest, and a body in motion will remain in motion in a straight line at a constant velocityunless acted upon by an outside force

Answer:

The melting and boiling point of water in Fahrenheit scale is divided into 180 equal intervals, that means each division denoting 1°F.

division means their melting and boiling point is divided into 180 equal intervals that means each division indicates 1 degree F.

Answer: yes

Explanation:

lifting an object is doing work

Answer:

its c

Explanation:

Answer:

With a pressure, for instance, of 4 atmospheres, and a volume of 5 liters yields 4 x 5 = 20. Divide the result by the number of moles of gas. If, for instance, the gas contains 2 moles of molecules: 20 / 2 = 10. Divide the result by the gas constant, which is 0.08206 L atm/mol K: 10 / 0.08206 = 121.86.

Answer:

....with the early discovery of four of Jupiter's many moons.

Explanation:

Galileo is often credited with the early discovery of four of Jupiter's many moons. The moons orbiting Jupiter follow the same laws of motion as the planets orbiting the sun. One of the moons is called Io - its distance from Jupiter's center is 4.2 units and it orbits Jupiter in 1.8 Earth-days.

The potential energy increases everywhere by a fixed positive value when: 'the force magnitude changes'.

This means that the work done by the force on the system is greater than the work done on the system by the potential energy, thus resulting in an increase in the potential energy. To understand this better, we must first look at the relationship between potential energy and force. Potential energy is the energy an object has due to its position in a system.

Force, on the other hand, is a vector quantity that describes the amount of push or pulls between two objects. When force is applied to an object, its potential energy increases since it takes more work to move an object farther away from its equilibrium position.

The magnitude of the force applied to an object determines how much potential energy the object will gain. If the force is greater, the potential energy will also increase. On the other hand, if the force is smaller, the potential energy will not increase as much. Therefore, when the potential energy increases everywhere by a fixed positive value, it means that the force magnitude is greater than the potential energy.

To summarize, when the potential energy increases everywhere by a fixed positive value, the force magnitude increases. This is because the force is greater than the potential energy, thus resulting in an increase in potential energy.

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\(\\ \sf\Rrightarrow K.E=\dfrac{1}{2}mv^2\)

\(\\ \sf\Rrightarrow 3.5=\dfrac{1}{2}m(17)^2\)

\(\\ \sf\Rrightarrow 7=289m\)

\(\\ \sf\Rrightarrow m=\dfrac{7}{289}\)

\(\\ \sf\Rrightarrow m=0.024kg\)

The life of the specimen if it is tested at a completely reversed stress amplitude of 70 Kpsi is about 90,000 cycles.

Ultimate strength of steel rotating-beam test specimen = 120 kpsi

Stress amplitude of the specimen = 70 kpsi

Let's solve the given question, the life of the specimen if it is tested at a completely reversed stress amplitude of 70 kpsi.

Hence, the formula for estimating life can be given as:

1/Nf = K[(S)/S']ᵇ

Where, Nf = number of cycles to failure, K = fatigue strength reduction factor, S = Stress amplitude, S' = endurance limit, b = slope of the S-N curve

From the given problem, we have: S = 70 kpsi, S' = ultimate strength = 120 kpsi

Let's find the value of b, b = 0.0937(log Nf) - 0.014(log S') - 0.474

According to the given problem, Nf is not given, so we will solve the problem in the form of an expression:

By solving the above expression, we will get the value of b, which is equal to 0.1203

So, the estimated life of the specimen can be given as:

1/Nf = K[(S)/S']ᵇ

1/Nf = K[(70 kpsi)/(120 kpsi)]^0.1203

Now, for steel rotating-beam test specimens, K = 0.5 (generally).

So, 1/Nf = 0.5[(70 kpsi)/(120 kpsi)]^0.1203

Nf = (1/1.1096) × 10⁵

Nf = 90,000 cycles (Approx)

Hence, the estimated life of the specimen is 90,000 cycles (Approx).

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Answer:

false

Explanation:

As both parents contribute half of the new organism's genetic material, the offspring will have traits of both parents, but will not be exactly like either parent

Answer:

False

Explanation:

The only time you end up like your parent is asexual reproduction