11- An electron is in the 6 energy level. Answer the following questions: a) What are the possible hops the electron can make? b) Calculate the energy of the emited photon of each hop.

Answer:

Designing experiments to replicate the conditions in which life may have first evolved on Earth

Explanation:

In 1953, Stanley L. Miller and Harold C. Urey conducted an experiment to prove that life started from inanimate objects. The research was conducted by utilizing proposed chemical substances, mixed together through a scientific design process. The outcome of the research is the predicted atmospheric conditions before the pre-living form started on earth.

Therefore, in this case, the action that might lead scientists to develop new explanations about the universe is "Designing experiments to replicate the conditions in which life may have first evolved on Earth."

The federal government sets upper limits for exposure to electromagnetic energy from telephones known as the SAR.

True, the ideal gas law tends to become inaccurate when applied to a real gas under certain conditions.

The ideal gas law is a mathematical equation that describes the behavior of an ideal gas, which is a hypothetical gas composed of a large number of randomly moving, non-interacting particles. The ideal gas law is given by the equation PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the gas constant, and T is temperature. This law works well under certain conditions, but it is not always accurate when applied to real gases.

Real gases consist of particles that have finite size and experience intermolecular forces, which can cause deviations from the ideal gas behavior. These deviations become significant when a real gas is subjected to high pressures or low temperatures. Under high pressure, the volume of the gas particles becomes significant compared to the overall volume of the gas, and the intermolecular forces cause deviations in the behavior of the gas. Similarly, at low temperatures, the gas particles move slower, and the intermolecular forces become more noticeable, causing deviations from the ideal gas law.

In summary, the ideal gas law is a useful tool for understanding the behavior of gases under certain conditions, but it can become inaccurate when applied to real gases under high pressure or low temperature.

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Answer:

If two objects at different temperatures are brought in contact with each other, energy is transferred from the hotter object (that is, the object with the greater temperature) to the colder (lower temperature) object, until both objects are at the same temperature

all of the choices.

Explanation:

....

Answer:

tension

Explanation:

its a feeling

The final velocity of the car is 22.489 m/s

In the given question the initial velocity (u) is given as 22.0m/s, the rate of acceleration (a) is given as 1.60m/s² and the times' displacement (s) is given as 6.80 secs.

In order to find the final velocity we need to apply the given formula,

v² = u² + 2as

⇒ v² = (22)² + 2(1.60)(6.80)

⇒ v² = 484 + 21.76 = 505.76

⇒ v =√505.76 = 22.489 m/s

Thus the final velocity of the car is 22.489 m/s.

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In order to help Scarlett retrieve her toy train from the lake, the wooden fishing rod can be modified or adapted by Attaching a magnet, Adding a hook or grappling device, and Using a net or scoop.

Attaching a magnet: Scarlett can attach a strong magnet to the end of the fishing rod. Since the train contains parts made of steel, the magnet will be attracted to the metallic components. By carefully maneuvering the magnet with the fishing rod, Scarlett can potentially attract and retrieve the train from the water.

Adding a hook or grappling device: Scarlett can affix a hook or grappling mechanism to the fishing rod. By casting the hook near the location where the train fell into the lake and skillfully maneuvering the rod, she can attempt to hook onto the train or one of its parts. With a successful hook, she can slowly reel in the train and bring it back to shore.

Using a net or scoop: If the toy train is floating on the surface of the lake or near the shallow edges, Scarlett can attach a net or scoop to the end of the fishing rod. By carefully positioning the net or scoop around the train, she can scoop it up and safely retrieve it without causing any damage.

It's important to note that the success of these modifications will depend on factors such as the depth of the lake, the accessibility of the train, and the size and weight of the fishing rod. Additionally, adult supervision or assistance may be necessary to ensure safety, especially if the lake is deep or poses any hazards.

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To calculate the average deceleration of the bus, we can use the following formula:

Here, the initial velocity (v1) is 60 km/h, the final velocity (v2) is 40 km/h, and the time taken (t) is 8 seconds. To make the units consistent, we'll convert the velocities from km/h to m/s.

Now, we can plug the values into the formula:

Now, we'll find a common denominator for the fractions and simplify:

So, the average deceleration of the bus is approximately -150/216 m/s².

Answer:

100n

Explanation:

Answer:

-100N

I hope this helps!

The application of the effort pf 400N on the widest part it resist the force of 800 N inside a wooden block the velocity ratio of the wedge is 4.

We know the effort and resistance forces, so we can solve for the distance moved by each force:

Distance moved by effort = (Resistance x distance moved by resistance) ÷ Effort

Distance moved by effort = (800 N x 8 cm) ÷ 400 N

Distance moved by effort = 16 cm

Distance moved by resistance = length of wedge - distance moved by effort

Distance moved by resistance = 20 cm - 16 cm

Distance moved by resistance = 4 cm

Now we can plug these distances into the formula for the velocity ratio:

Velocity ratio = distance moved by effort ÷ distance moved by resistance

Velocity ratio = 16 cm ÷ 4 cm

Velocity ratio = 4

Velocity ratio is a term used in mechanics and is defined as the ratio of the distance traveled by the effort to the distance traveled by the load in a machine. It is a fundamental concept that is used to determine the mechanical advantage of a simple machine. The velocity ratio is essential in understanding how a machine works and how it can be used to make work easier.

The velocity ratio is an important factor in the efficiency of a machine. A higher velocity ratio means that the load can be moved with less effort, resulting in a higher mechanical advantage. Therefore, machines with a high velocity ratio are considered to be more efficient and can be used to perform work more easily. Understanding the concept of velocity ratio is important in designing and operating machines, especially in situations where work needs to be done with minimal effort.

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Answer:

Explanation:

Kinetic energy is the energy of movement. To find the kinetic energy, you need to...

1.) Check out the object mass and velocity from the question.

2.) Square the velocity value and multiply it with mass of the object.

3.) Divide the product by 2 to get the kinetic energy value.

The formulas to calculate kinetic energy is given by

Kinetic Energy = ½ * m * v²

m = (2 * KE) / v²

v = √((2 * KE) / m)

The "m" is mass, and the "v" is velocity, and the "KE" is kinetic energy.

Or where can you see Kinetic energy?! People who are moving, they can be sprinting, or jogging, or walking, or jumping, any type of movement.

Even you typing is kinetic energy since you are moving your hands to be able to type. Any little thing can be kinetic energy, if you're still, it's called potential energy since something remains at rest.

Hope this helped!

Have a supercalifragilisticexpialidocious day!

Dry circumstances are brought on by droughts, which decrease rainfall and increase evaporation, turning vegetation and other fuels into dry kindling.

1. Using collected rainwater. Droughts can be easily solved with this simple at-home method. Instead than depleting existing water sources like rivers, homes can save the water they receive from rain and use it when they need it in dry situations by using rainwater harvesting.

Forests can soak up excess rainwater, preventing run-offs and damage from flooding. By releasing water in the dry season, forests can also help provide clean water and mitigate the effects of droughts.

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Answer:

Unbalanced force -  

Explanation:

Unbalanced force is expected to cause a body to accelerate.

Answer:

Unbalanced force

Explanation:

Unbalanced force is expected to cause acceleration in any body as it's net value is not zero in every direction .

I hope it's helpful

Answer:

convert 1 milligram to 1 gram:

Explanation:

1 milligram is 0.001 gram.

so... 2 milligram is 0.002

3 milligrams is 0.003

and so on.

Answer:

5 N

Explanation:

To calculate the force applied to the object, you can use the formula:

Force = (Final Momentum - Initial Momentum) / Time

Here, the initial momentum (pi) is 20 kg m/s, the final momentum (pf) is 30 kg m/s, and the time taken (t) is 2 seconds. Substituting these values in the formula, we get:

Force = (30 kg m/s - 20 kg m/s) / 2 s

Force = 10 kg m/s / 2 s

Force = 5 Newtons

Therefore, the force applied to the object is 5 Newtons.

Answer:

B

Explanation:

The 8 kg ball rolling at 2m/s has the highest inertia.

The following information related to the inertia is:

Therefore we can conclude that the 8 kg ball rolling at 2m/s has the highest inertia.

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Answer:

The Big Dipper

Explanation:

Bootes is near the "Big Dipper" which is itself part of Ursa Major.

The acceleration of the object with an applied force of 100N and a mass of 50kg is 2m/s².

Acceleration is defined as the change in velocity per unit time. Velocity is defined as the speed of the object in a particular direction. The acceleration is a vector quantity. The unit of acceleration is m/s².

According to Newton's second law, Force is directly proportional to the acceleration of the object. F = m×a, where F is the force of the object, m is the mass of the object and a is the acceleration of the object.

From the given,

Force, F = 100N

mass of the object, m=50kg

acceleration of the object, a=?

F = m×a

a =F/m

  = 100/50

  =2m/s².

Thus, the acceleration of the object is 2m/s².

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Answer:

Explanation:

We shall apply law of conservation of momentum .

Momentum before impact = momentum after impact

Since they are moving towards the same direction , their momentum will add up .

Total momentum before impact

= 136 x 6 + 100 x 1 = 916 kg m/s .

Total mass of lineman and quarterback = 236 kg , if their velocity after impact be v

their momentum = 236 v

According to law of conservation of momentum

236 v = 916

v = 3.88 m /s

Both of them will move with velocity of 3.88 towards the north .

Answer:

Disminuye la energía y la temperatura internas.

Explanation:

translation:

it decreases the internal energy and temperature

Answer:

Explanation:

acceleration is the change in velocity of a body with respect to time

a = v-u/t

v is the final velocity

u is the initial velocity = 10m/s

t is the time taken = 10s

a is the acceleration = 2m/s²

substitute the values into the formula

2 = v-10/10

cross multiply

20 = v-10

v = 20+10

v = 30m/s

Hence the velocity of the body after 10s is 30m/s

Increasing the pressure inside the extruder barrel is not a function of the screen pack and breaker plate.

The screen pack and breaker plate have several functions, including:
1. Filtering out contaminants and impurities from the molten plastic.
2. Creating uniform melt flow.
3. Reducing pressure fluctuations.
However, they do not serve to increase the pressure inside the extruder barrel.

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The frictional force is 11 N and the block’s acceleration is 0.14 m/s².

It is defined as the numerical value that indicates the amount of friction present between the surfaces of two bodies. The lower the coefficient of friction, the lower the friction between the surfaces, and the higher coefficient of friction the higher the friction force between them.

For part (a):

Taking x component:

F(x) = F cosθ

Taking y component:

F(y) = -F sinθ

Applying Newton’s second law to the y-axis:

F(N) = 15 sin40 + (3.5)(9.8)

F(N) = 44 N

coefficient U = 0.25

f(k) = 11 N

For part (b):

Applying Newton’s second law to the x-axis:

a = ((15) cos40 - 11)/3.5

a = 0.14 m/s²

Thus, the frictional force is 11 N and the block’s acceleration is 0.14 m/s².

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The correct order of how new oceanic crust is formed from mantle rock at divergent boundaries is: upwelling of mantle rock, formation of basaltic lava, spreading of lava to form new oceanic crust, formation of hydrothermal vents, and subduction of oceanic crust at a subduction zone.

The formation of new oceanic crust at divergent boundaries is a continuous process that involves several steps. The first step in the process is the upwelling of mantle rock to the ocean floor. This is caused by the divergence of the tectonic plates, which creates a gap that is filled by molten rock from the mantle.

Once the mantle rock reaches the surface, it cools and solidifies to form basaltic lava. This lava then spreads out and covers the ocean floor, forming a thin layer of new oceanic crust. As the lava cools, it contracts and forms cracks, which are filled with mineral-rich seawater that solidifies to form hydrothermal vents.

Over time, the new oceanic crust continues to move away from the divergent boundary and is pushed beneath the continental crust at a subduction zone. This process causes the oceanic crust to be recycled back into the mantle and creates a continuous cycle of new crust formation and destruction.

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The answer is C. Hope this helps!

Answer:

Conduction: Some metalloids, such as silicon and germanium, can act as electrical conductors under the right conditions, thus they are called semi-conductors. Luster: Silicon for example appears lustrous, but is not malleable or ductile (it is brittle - a characteristic of some nonmetals).

Explanation:

Answer: Friction?

Explanation: The water from the rain causes a lack of friction between the wheels of the taxi and the road, therefore if moving at a high velocity, braking would be harder. In the summer, roads are mostly dry, meaning friction is present between the wheels and the road.

After going to the shops, a car driver places a bag of shopping on the passenger seat. during the journey home, the driver has to use the brakes to stop very suddenly. As the driver is wearing a seat belt the driver  nothing would happen to the driver.

Force is a term used to understand that if some external or internal affair which worked on a object which has some amount of mass and that creates a change in velocity, that affair is called the Force. It can be measured in dyne or newton.

As we know from the newtons first law where he explained the force,  he also explained about the force which acted on a body during the drive of any vehicle. That force called force because of movement. When some kind of mass drive a vehicle and it suddenly stops then the body tries to move forward. That causes the death of the driver.

But according to the question, the driver is wearing a seat belt. So the seat belt absorb the most amount of force in it because of its statistic nature. For this nature the driver will remain unharmed.

So from the above discussion we can say that, As the driver is wearing a seat belt the driver nothing would happen to the driver.

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The height of the oil column above the water in the vessel is determined as 2 cm.

The pressure of the vessel due to water, oil and silver poured into the vessel is determined from mercury column.

let level of mercury = 20 cm + 0.5 cm = 20.5 cm

20.5 cmHg = 205 mmHg

1 mmHg = 133.32 Pa

205 mmHg = 27,330.6 Pa

P = ρgh

where;

ρ is the density of water, oil and silver respectively

ρ = 1000 kg/m³ + 881 kg/m³ + 10,800 kg/m³ = 12,681 kg/m³

h = P/(ρg)

h = (27,330.6) / (12,681 x 9.8)

h = 0.22 m

h = 22 cm

Oil is less dense than water and will float on water.

Height of oil column = 22 cm - 20 cm = 2 cm

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