The Power Rocket coaster track is 3,265 feet and the ride is 90 seconds long. What is the speed of the coaster in feet per second?
What electron configuration has the greatest stability?
The electron configuration with the greatest stability is the one that follows the Aufbau principle and has completely filled energy levels or sublevels.
Explanation:The electron configuration that has the greatest stability is one that follows the principle of filling up the energy levels and sublevels in a specific order. This principle, known as the Aufbau principle, states that electrons will fill the lowest energy levels and sublevels first before moving to higher energy levels and sublevels. Additionally, the electron configuration that has a completely filled sublevel or energy level is more stable due to the electron-electron repulsion being minimized.
For example, the electron configuration of the element neon (Ne) is 1s2 2s2 2p6. This configuration has a completely filled 2p sublevel and is considered more stable than a configuration with only partially filled sublevels.
Therefore, the electron configuration with the greatest stability is the one that follows the Aufbau principle and has completely filled energy levels or sublevels.
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A car making a 111-km journey travels 41 km/h for the first 55.5 km. how fast must it go during the second 55.5 km to average 51 km/h?
The variable that you change during an experiment is called what type of variable?
Water flows over a section of niagara falls at a rate of 6.00 ´ 105 kg/s and falls 50.0 m. what is the power dissipated by the waterfall?
"what scientific principle is the mercury barometer based on"
The force that is most responsible for the stability of the atomic nucleus is:
A.) gravityB.) electromagnetismC.) strong nuclear force D.) weak nuclear force
Answer: Option (C) is the correct answer.
Explanation:
Nucleus of an atom consists of protons and neutrons. Whereas electrons revolve around the nucleus of the atom.
Protons are positively charged, neutrons have no charge and electrons are negatively charged. So, like charge of protons tend to oppose each other and as a result, electrostatic force of repulsion occurs.
This electrostatic force of repulsion is overcome by strong nuclear force which helps in binding of protons and neutrons into the nucleus.
Thus, we can conclude that the force that is most responsible for the stability of the atomic nucleus is strong nuclear force.
What do we mean when we say that 50 million tons of coal could replace the use of 0.6 MBPD (million barrels per day) of oil used over a year?
Which of these helps you understand what people are saying to you? A. Interrupting them B. Looking away while they're speaking C. Thinking about how you'll respond D. Thinking about what they're saying
One's perception depends on the way the brain interprets the stimuli. Please select the best answer from the choices provided T F
Answer: The given statement is true.
Explanation:
A change that is observable is known as a stimuli. Every individual has their own way of thinking and interpreting things.
For example, Lisa got a chocolate as a reward for completing her homework whereas his elder brother gets upset with his mom because of this.
So, in this situation Lisa will be happy as she has got a reward whereas his brother is taking this thing in a negative way by getting jealous or upset about it.
Hence, we can conclude that the statement one's perception depends on the way the brain interprets the stimuli, is true.
At room temperature table salt is a solid and mercury is a liquid. What conclusion can you draw about the melting points of these substances?
The heating element of an electric oven is designed to produce 5.0 kw of heat when connected to a 220 v source. what must be the resistance of the element?
The resistance of an electric oven's heating element that produces 5.0 kW of heat when connected to a 220 V source must be 9.68 ohms.
To determine the resistance of the heating element that produces 5.0 kW of heat when connected to a 220 V source, we use the formula for electrical power (P): P = V^2 / R, where P is power, V is voltage, and R is resistance. Rearranging the formula for resistance gives us R = V^2 / P.
Substituting the given values, we get R = (220 V)^2 / (5.0 kW), which can be further simplified as R = 48400 V^2 / 5000 W = 9.68
Therefore, the resistance of the heating element must be 9.68 ohms.
I NEED THIS CORRECT!!
Bases turn litmus paper what color?
Which of the following is not a characteristic of a creative person
A.Expertise
B.Extrinsic motivation
C.A ventures ome personality
D.Imaginative thinking skills
Extrinsic motivation is not a characteristic of a creative person. Hence, option (B) is correct.
What is extrinsic motivation?The psychological phenomena in which people engage in particular behaviors as a result of rewards from outside sources is known as "extrinsic motivation."
The practice of operant conditioning, a method of behavior modification that makes use of extrinsic motivators—or stimuli like rewards and punishments to motivate particular actions and their repetition, is based on this idea. Both intangibles and extrinsic motivators are possible.
Examples of extrinsic motivation are :
CompensationAdvancementPraiseRewardsVisibilityConflict avoidanceMutual RespectTherefore, the extrinsic motivation is not a characteristic of a creative person. So, option (B) is correct.
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A system releases 680 kj of heat and does 150 kj of work on the surroundings.what is the change in internal energy of the system?
The theory of color vision proposed by thomas young that says color perception results from mixing three distinct color systems is called the _____.
Describe the relationship between amperage, voltage, and power.
In electric circuits, amperage (current) is the flow of charge, voltage is the potential that causes this flow, and power is the rate of energy consumption or conversion. Power is calculated with the formula P = VI, indicating the direct proportionality between voltage and current, and the inverse relationship with resistance.
The relationship between amperage, voltage, and power in electric circuits is fundamental to understanding electric power.
Amperage, or current (measured in amperes), is the flow of electric charge. Voltage (measured in volts) is the potential difference that causes current to flow through a circuit. The power (measured in watts) is the rate at which electrical energy is consumed or converted into another form of energy. According to Ohm's Law, the formula to calculate power is P = VI, where P represents power, V voltage, and I current.
There is a directly proportional relationship between voltage and current in ohmic devices, meaning that if the voltage increases, the current also increases proportionally, provided the resistance remains constant. Conversely, for a fixed voltage, the current will differ depending on the resistance of the material - the lower the resistance, the higher the current. Hence, if we have two lightbulbs with different wattages operating at the same voltage, the one with a higher power rating must have a lower resistance and consequently draw more current. Increasing voltage will also increase power, which explains why a lightbulb designed for a particular voltage will burn out if connected to a higher voltage.
a small airplane flies at a velocity of 145 km/h toward the south as observed by a person on the ground. The airplane pilot measures an air velocity of 172 km/h an hour. What is the velocity of the wind that affects the plane?
You drop a rock off the top of a 100m tall building. How long does it take to hit the ground?
Lavoisier made an important contribution to chemistry by _____.
coining the term "atom"
developing the law of multiple proportions
developing the law of conservation of matter
developing the atomic theory of matter
What is the relationship between mass and momentum? Be specific as you describe the relationship between mass and linear momentum as well as how mass affects the moment of inertia in angular momentum.
What color would a yellow cloth appear to have if illuminated with sunlight?
What is the main difference between protons and neutrons?
A.Protons have a much smaller mass than neutrons.
B.Protons have a much larger volume than neutrons.
C. Protons have an electrical charge, but neutrons have no charge.
D. Protons make up the nucleus, but neutrons orbit around the nucleus.
Answer:
C. Protons have an electrical charge, but neutrons have no charge.
Explanation:
Protons and neutrons both are parts of nucleus and they stay inside the nucleus due to large nuclear force between them
Mass of proton and mass of neutron is almost same or in more precisely we can say that neutrons are slightly heavy than protons
mass of neutrons is 1.008 amu while mass of protons are 1.007 amu.
the main different between them is that protons are positively charged and their charge is same as that of charge of electron
[tex]q_{proton} = 1.6 \times 10^{-19} C[/tex]
while neutrons are electrically neutral and they do not have any charge on them.
so correct answer will be
C. Protons have an electrical charge, but neutrons have no charge.
Answer:
c
Explanation:
Why are some objects heavier than others?
Which force is responsible for making fusion possible in the sun?
Answer: Strong Nuclear Force is responsible for making fusion possible in the sun .
Explanation:
Fusion reaction is basically the result of the interplay of two opposing forces
1. Attractive Strong Nuclear Force
2. Repulsive coulomb force
Strong nuclear force is a short range force while its magnitude is much greater than the coulomb force . When two nuclei approach each other coulomb force of repulsion between the nuclei (proton-proton repulsion) acts between the nuclei but due high speed as the nuclei come closer strong nuclear force of attraction come into play which has magnitude much more larger than the coulomb force .
The strong force grows rapidly once the nuclei are close enough, and the fusing nucleons can essentially "fall" into each other and the result is fusion and net energy produced. Thus it is the presence of Strong Nuclear Force which makes the fusion possible .
What causes friction between two solid forces? After the roughness of the surfaces, what most affects the frictional force experienced
What was the physical principle used by edwin hubble to demonstrate that the "spiral nebulae" are very distant and large?
An airplane flies with a constant speed of 840 km/hr. How far will go in 270 min
What evidence did Wegener make use of to develop the theory of continental drift? A The climate of Siberia has always been the same. B There is no evidence of glaciers anywhere in South America. C The Rocky Mountains are taller than the Appalachian Mountains. D Mountains in North America appear to be part of the same chain of mountains as those in Northern Europe.
A hot air balloon is ascending at a rate of 7.5m/s when a passenger drops a camera. If the camera is 25m above the ground when it is dropped, how much time does it take for the camera to reach the ground, and what is the velocity just before it lands?
A hot air balloon is ascending at speed of 7.5 m/s when a passenger drops a camera. If the camera is 25 m above the ground when it is dropped, it will take the object 3.15 seconds to reach the ground.
What is speed?The speed of an object is the magnitude of the change of its position over time or the magnitude of the change of its position per unit of time; it is thus a scalar quantity.
The time it takes for an object to reach a certain level given the distance and the initial velocity can be calculated through the equation,
d = V₀t + 0.5*gt²
Where d is the distance, V₀ is the initial velocity, g is the acceleration due to gravity and t is time. Substituting the known values from the given above,
25 = (-7.5)(t) + 0.5(9.8 m/s²)(t²)
The value of t from the equation 3.15 s
A hot air balloon is ascending at speed of 7.5 m/s when a passenger drops a camera. If the camera is 25 m above the ground when it is dropped, it will take the object 3.15 seconds to reach the ground.
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