dielectric breakdown in air occurs when the electric field is approximately 3 × 106 v/m. t or f

Answer:

B. oxygen

Explanation:

Answer:

it's oxygen lolllllllllllll they kinda need it

Explanation:

Answer: this might be wrong but my answer is A.

Explanation: it said "Running through the pattern are four smear lines about 0.5 - 1 cm apart and perpendicular to the bottom of the wall." and "perpendicular" is like not that big and not that small and A is "and his hand slid down along the wall as he collapsed." so I think it is A.

The composition of two reflections across non-parallel lines results in a translation, with the same center results in a single rotation, with the same center but in opposite directions results in a single rotation, with different centers results in a single rotation, the composition of a rotation and a reflection results in a single reflection and the composition of a rotation and a reflection results in a single reflection.

To determine the single rigid motion represented by the given composition, we need to analyze the properties and transformations involved.

A. (reflection in line n) o (reflection in line m), when lines n and m are not parallel:

The composition of two reflections across non-parallel lines results in a translation.

B. (rotation, center P, x⁰ cw) o (rotation, center P, y⁰ cw):

The composition of two rotations with the same center results in a single rotation.

C. (rotation, center Q, a⁰ cw) o (rotation, center Q, b⁰ ccw):

The composition of two rotations with the same center but in opposite directions results in a single rotation.

D. (rotation, center R, 50⁰ cw) o (rotation, center S, 60⁰ cw), where R and S are different:

The composition of two rotations with different centers results in a single rotation.

E. (rotation, center T, 40⁰ cw) o (reflection in line p), where line p goes through point T:

The composition of a rotation and a reflection results in a single reflection.

F. (rotation, center T, 40⁰ cw) o (reflection in line q), where line q misses point T:

The composition of a rotation and a reflection results in a single reflection.

Based on the given options, the correct answer would depend on the specific properties and transformations described by the problem statement. Without additional information or a diagram, it is not possible to determine the exact answer.

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Answer:

Hey there!

It does not need a medium to transfer heat.

Let me know if this helps :)

Answer:medium

Explanation:

Got it right on USA test prep

The Witness Experimenter configure options include a Skip field that misses out on a different number of random numbers for each replication (Option D).

Experimenter configure options are some basic settings of a Witness experiment. These settings influence how the experiment would behave and what output is produced. With the help of configure options, you can set the value of random number streams and skip replication.

The skip value misses out on a different number of random numbers for each replication. As a result, this provides some level of control over the replication. By changing the value of the skip, you can control which random numbers should be missed and which should not be missed. In addition, by using the skip field, you can increase the simulation run speed. As a result, you get better output in less time.

Thus, the correct option is D.

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Astronomers would use a technique called "redshift" to determine the distance to a remote quasar.

Redshift is the phenomenon of an object's light or other electromagnetic radiation shifting to longer wavelengths as the object moves away from an observer. This shift is used to calculate the relative speed of the quasar and its distance from Earth.

A quasar is a supermassive black hole in the center of a distant galaxy that consumes gas. Since astronomers first discovered quasars in 1963 as objects that looked like stars but emitted radio waves, the term "quasar" stands for "quasi-stellar radio source."

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40 V

Explanation

Electric potential at any point inside a hollow metallic sphere is constant. Therefore, if potential at surface is 40 V, potential at centre will also be 40 V.

40V

also In a hollow sphere, with the charge on the surface of spheres, there is no charge enclosed within the sphere, since all the charges are in surface. Hence there is no electric field within the sphere.

I hope this helps you

Answer:

I believe one lived and the other became extinct is because of hunters. No one really cares about cockroaches because they serve no purpose whatsoever other than just being a burden to society. But the deer, can be killed for meat, as a coat, as a rug, etc. So no wonder its gone now. I'm not justifying killing animals for meat and its fur is okay, I'm just explaining what it can go to use for, and what other people would use it for.

That's what I think. :)

Hope this helps!

Brainliest please?

Answer:

The cockroach thrived because of its number and survivability they can survive nukes and still walk just fine. They are not on the hit list for humans to hunt because they gain no benefit. The dear was a huge target with lots of meat and fur for humans to hunt and the male giant dear had antlers so big that if one broke they would fall and break their neck from the weight. Also being big means they could not hide in the forest to hide from predators at the time Cave Bears, saber tooths, Cave lions, and humans because they would get stuck in the tree and shrubs cus of their antlers, that's why they perished.

Explanation:

Answer:

Shading coil

Explanation:

The shading coil prevents the solenoid vibrate

Hope this helps

(a) The time before the players collide is approximately 5.49 seconds.

(b) At the instant they collide, the first player has run approximately 37.94 meters.

(a) To find the time before the players collide, we can use the concept of relative motion. The players are running directly toward each other, so their velocities are subtracted. The relative velocity can be found by subtracting the second player's velocity from the first player's velocity.

Using the equation v = u + at, where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time, we can calculate the time it takes for the relative velocity to reach 28 meters (the initial separation between the players).

For the first player:

v₁ = u₁ + a₁t

0 = 0 + 0.46t

For the second player:

v₂ = u₂ + a₂t

0 = 0 + (-0.50)t

Solving both equations, we find t = 0 for the first player and t = 0 for the second player, indicating that they start from rest.

The time before the players collide is given by the equation:

t = (final separation) / (relative velocity)

t = 28 m / (0 - (-0.50) m/s²)

t ≈ 5.49 seconds

(b) To find the distance the first player has run at the instant of collision, we can use the equation s = ut + 0.5at², where s is the displacement, u is the initial velocity, t is the time, and a is the acceleration. Since the first player starts from rest, their initial velocity is 0.

Using the equation:

s = 0 × 5.49 + 0.5 × 0.46 × (5.49)²

s ≈ 37.94 meters

Therefore, at the instant they collide, the first player has run approximately 37.94 meters.

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A cannonball has more kinetic energy than the recoiling cannon from which it is fired because the force on the ball acts over a longer distance.

When a cannon fires a cannonball, both the cannon and the cannonball experience an equal and opposite force (Newton's third law).

However, the cannonball has more kinetic energy because the force on it acts over a longer distance.

The cannonball travels a greater distance in the air, while the cannon's motion is restricted due to friction between it and the ground.

This results in a larger work done on the cannonball, which in turn results in more kinetic energy.

Summary: The cannonball has more kinetic energy than the recoiling cannon because the force acts over a longer distance for the cannonball, resulting in more work done and greater kinetic energy.

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Answer:

Use the method on the image and solve it.

The train is accelerating with an initial velocity of 23 m/s, a final velocity of 190 m/s in the time period of 54 seconds, then the acceleration will be 3.09 m/s².

Velocity is the measurement of a particle's or object's displacement with relation to time. The recognized unit of magnitude for velocity is the meter per second (m/s) (also known as speed).

There are several ways to show a velocity vector's direction, depending on how many dimensions are provided.

The given values in the question are,

Initial velocity, u = 23 m/s

Final velocity, v = 190 m/s and,

Time, t =54 seconds.

By putting the formula of the equation of motion :

v = u + at

190 = 23 + (a)(54)

a = 167/54

a = 3.09 m/s².

Hence, the acceleration of the train is equal to 3.09 m/s².

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Answer:

\(s_2=-806m\)

Explanation:

From the question we are told that

Velocity 1 \(v=1.34m/s \angle west\)

Distance  \(d=6.44km=>6440m\)

Velocity 2  \(v_3=2.68m/s\)

Velocity 3  \(v_3=0.447m/s \angle east\)

Generally the equation for VT is mathematically given by

\(VT=v_1t_1 +V_2t_2\)

\(VT=2.68(2400)-0.447t_2\)

\(1.34t_1+1.34t_2=2.68(2400)-0.447t_2\)

\(t_2=1804s\)

Therefore

\(s_2=v_2t_2=(-0.447)(1804)\)

\(s_2=-806m\)

Threshold 1 and Threshold 2 Accelerated Remitters will receive a PD7A-AR CRA Statement of Account. Option B is correct.

The CRA Statement of Account that would be received by Threshold 1 and 2 accelerated remitters is PD7A-AR.

CRA Statement of Account. The CRA statement of account is a statement of your account with the Canada Revenue Agency (CRA) which shows the balance owed or the credit available to you. CRA account statements can be used to check your account balance, view transactions, and payments made towards your balance.

In conclusion, Threshold 1 and 2 accelerated remitters receive a PD7A-AR CRA Statement of Account.

Therefore, Option B is correct.

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The new values of T∥1 and T⊥1 will be equal to the original isotropic temperature T0.

When the magnetic field is doubled slowly compared to a gyroperiod but fast compared to the energy transfer time between T∥ and T⊥, the plasma remains magnetized, but the magnetic field becomes stronger. Since the energy transfer time between T∥ and T⊥ is much longer than the timescale of magnetic field doubling, the temperature anisotropy is not affected during this process. Therefore, T∥1 and T⊥1 remain equal to T0.

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The train accelerates to 25 m/s from rest in 30 seconds. Search for: The train's acceleration. The train accelerates at 0.83 m/s2 after 30 seconds.

According to the equations a = v/t, acceleration (a) seems to be the product of the variation in velocity (v) and the changes in time (t).

Acceleration is the term for the rate of change in speed. In most cases, but not always, acceleration denotes a shift in speed. The object keeps accelerating because the direction of its velocity is changing even while it travels in a circular motion.

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Answer:

123.75 m/s

Explanation:

Given:

To Find:

Formula used:

where,

S is distance travelled

u is initial velocity

v is final velocity

t is time taken

where,

v is final velocity and rest meaning is written above.

Let the acceleration of truck be a

Using the above formula, we get

500 = 10*13 + a(13)^2/2

370 = 169a/4

a = 8.75 m/s^2

So, Putting value of a in v = u + at, we get

v = 10 + 8.75*13

v = 123.75 m/s

So, the final velocity will be 123.75 m/s.

Answer:

this is an amazing question

Answer:

The branch of mechanics deals with the mathematical description of the motion and interaction of subatomic particles, incorporating the concepts of quantization of energy, wave–particle duality, the uncertainty principle, and the correspondence principle is Quantum Mechanics.

Answer:

Explanation:

Quantum Mechanics is a branch of physics that deals with sub-atomic particles and their energy states. Its theory says at subatomic level, energy exists in discrete levels as "quanta" and particles behave as waves.

Answer:

2.38 kg

Explanation:

by definition, weight in physics is the force of gravity (Fg)

Fg = mass x gravity or mg

gravity is 9.8 m/s^2

N = kg m/s^2

Fg = mg

23.3 kg m/s^2 = 9.8 m/s^2 x m

23.3 kg m/s^2 / 9.8 m/s^2 = m    >>> m/s^2 cancel out

23.3/9.8 = 2.37755 kg

m = 2.38 kg

Answer:

The maximum speed of the oscillating object doubles as well.

Explanation:

The oscillatory motion of the object on the spring can be modelled using this equation below:

\(Vmax= A\omega\)

Where

Vmax = the maximum speed of the oscillating object.

A = Amplitude of the oscillating object.

\(\omega\) = angular velocity of the oscillating object.

If the amplitude, A becomes doubled, the new amplitude will be = 2A.

As a result,  \(Vmax = 2 A \omega\)

This shows that the maximum speed has doubled in its value

Answer:

Chuck Yeager

Explanation:

Answer:

The answer is f

Explanation:

I don't have one

1.7×10^2 m

The student was 1.7×10^2 m far from the speaker.

The distance that sound waves travel is mostly influenced by the temperature and pressure of the ocean, even though sound travels through water at a far faster rate than it does through air.

The change in pressure that a sound wave causes when it is measured at a particular location is related to the amplitude of the wave. If the amplitude grows, the sound is heard as louder, and if it drops, it is heard as quieter.

The pace at which a wave moves has nothing to do with its amplitude. Waves A and B move forward at the same speed. Only changes in the characteristics of the medium a wave travels through can change its speed.

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To calculate the distance between the loudspeaker and the student, we can use the speed of sound in air, which is approximately 340 meters per second (m/s) at standard temperature and pressure (STP).

The formula to calculate distance is:

distance = speed x time

where distance is the distance between the loudspeaker and the student, speed is the speed of sound in air, and time is the delay that was observed between the time the sound wave left the loudspeaker and the time it reached the student.

distance = 340 m/s x 0.50 s

distance = 170 m

So, the distance between the loudspeaker and the student is 170 meters.

This answer corresponds to (2) 91.7 x 102m.

It's worth mentioning that sound speed can be affected by temperature, humidity, and atmospheric pressure which can cause slight variations from the standard 340 m/s at STP.

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Answer:

20mA

Explanation:

because it is connected in series with the ammeter

The current through the 40Ω resistor in the given circuit is 20mA, which is explained below.

The volate across resistor R is 1V, as indicated by the voltmeter.

Since the potential of the battery is 3V, according to Kirchoff's voltage law, the voltage drop across 20Ω resistors must be 1V each since they are indentical.

Let a total current I passes through 20Ω resistor as it is connected to the battery in series. From Ohm's law:

20Ω × I = 1V

I = 50mA

Now the current indicated by the ammeter is 20mA which splits according to the reistors of 15Ω and 30Ω which are connected in parallel. Then again the current adds up to 20mA when leaving the set of parallel resistors, through the 40Ω resistor.

So the current through the 40Ω resistor is 20mA

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Answer:

The GPE, stored is 640 Joules

Explanation:

The given parameters are;

The given mass of the astronaut, m = 80 kg

The height of the top of the lunar lander to which the astronaut climbs, h = 5 m

The gravity strength on the moon, g = 1.6 N/kg

The Gravitational Potential Energy, GPE, stored is given according to the following equation;

GPE stored = m·g·h

Therefore, by substituting the known values, we have;

GPE Stored = 80 kg × 1.6 N/kg × 5 m = 640 Joules

The GPE, stored = 640 Joules.

Answer:

Explanation:

c. mountains is not a major factor in understanding climate.

Hence, c. mountain is the correct option.

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Answer:

\(36 g/cm^{3}\)

Explanation:

In order to find the density, the problem says we need to find the volume first.

Since we know that the sample of gold is a perfect cube, we know that the side lengths will all be the same. Since all the side lengths will be 3, we can take that value and cube it to find the volume.

\(3^{3} = 27\)

Now that we know the volume is 27 cm³, we can solve find the density.

\(Density = \frac{Mass}{Volume}\)

\(Density = \frac{972g}{27cm^{3} } = 36 g/cm^{3}\)

Therefore, the density of the sample is 36 g/cm³.

Answer:

A pair of oxygen atoms is a molecule of oxygen. A molecule is the smallest particle of a substance that exists independently. Molecules of most elements are made up of only one of atom of that element. Oxygen, along with nitrogen, hydrogen, and chlorine are made up of two atoms.

Explanation:

One environmental law that natural gas companies have managed to secure exemptions from is the Safe Drinking Water Act (SDWA) under the Energy Policy Act of 2005 in the United States. The SDWA is a federal law that establishes standards to protect public drinking water supplies from contamination.

Under the Energy Policy Act of 2005, a specific exemption known as the "Halliburton Loophole" was included, which exempts hydraulic fracturing, or fracking, operations from certain provisions of the Safe Drinking Water Act (SDWA) . This exemption means that companies engaged in fracking activities are not subject to the same regulations and requirements as other industries that may pose potential risks to drinking water sources. The rationale behind this exemption was to facilitate the growth of the natural gas industry and encourage domestic energy production. However, critics argue that it undermines environmental protection efforts by allowing potential contamination of underground water sources due to the use of chemicals and the release of methane gas during the fracking process.

The exemption from the SDWA highlights the influence of the natural gas industry in shaping environmental regulations and the ongoing debate surrounding the balance between energy development and environmental conservation. It emphasizes the need for careful consideration and evaluation of the potential environmental impacts associated with energy extraction activities.

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