Answer:
120 NExplanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × acceleration
From the question
mass = 0.2 kg
acceleration = 600 m/s²
We have
force = 0.2 × 600 = 120
We have the final answer as
120 NHope this helps you
True/False: End-To-End overlap of orbitals results in a bond with electron density above & below the bond axis
End-To-End overlap of orbitals results in a bond with electron density above & below the bond axis is true.
The involved atoms' sizes, valence electron composition, and extent of overlap are all significant factors. Additionally, the bond formed between the two atoms is stronger the more overlap there is between them.
As a result, the orbital overlap theory explains how atoms combine by interposing their orbitals and resulting in the formation of a lower energy state in which their valence electrons pair up to form covalent bonds.
Sigma bonds are created when two s orbitals overlap (as in H2), when an s orbital and a p orbital overlap (as in HCl), and when two p orbitals overlap end to end (as in Cl2). A "bond" is a covalent bond in which the electron density is concentrated in the area along the internuclear axis; a line drawn between the nuclei would therefore cut through the overlap region's center.
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A car has moved 6.8 m from when the driver saw the red light to come to a full stop. If the driver was moving with 31.7 m/s when they saw the traffic light, how long did it take for
them to come to stop?
Answer:
i believe that the answer is 4.661764706 seconds
An electric circuit containing a dry cell and a torh bulb i completed by including a metal crew driver having a wooden handle explain why the bulb would not glow
An electric circuit containing a dry cell and a torch bulb is completed by including a metal screw driver having a wooden handle. The bulb does not glow as wood does not pass electricity through it.
An electric circuit conducting current is a closed path of wires and electrical components which allows current through them on the application of potential difference between two points in the path.
Materials are usually of two types, they are conductors and insulators. Insulators do not allow current to pass through them due to the arrangement of atoms in them.
Some of the examples of insulators are wood, plastic, stone, etc.
As wood is included in the circuit, the current is not continuous and breaks its flow at the point where wood id connected.
Thus, the bulb does not glow.
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What two things related to sedimentary rocks do you see at the Grand Canyon ?
Answer:
sandstone and mudstone
Explanation:
A vehicle travels a distance of 300km. It took the vehicle 6 hours to make the trip.
What is the speed of the vehicle?
Answer:
50 kmph
Explanation:
300 / 6 = 50
Given that there are 4 different objects gravitating around a central object, with 8 different images representing the orbitting through 80 days, and knowing the radius of the 4 orbits, how can i find the orbital period without knowing the orbital speed and mass of the central object?
The determination of orbital periods cannot be made with certainty unless the mass of the central object or the orbital velocities are known.
How to monitor the object's orbit?By obtaining 8 diverse imageries within the span of 80 days, it is possible to monitor the advancement of every item.
The duration of an object's orbit can be approximated if it completes a whole revolution within that time. If an object manages to complete two complete revolutions within a span of 80 days, then a rough estimate of its period is approximately 40 days.
If images covering one full orbit for each object are not available, precise periods cannot be determined using this method, and only an approximation can be obtained.
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The concorde jet was a supersonic plane created in 1976 to speed transportation across the ocean it traveled at twice the speed of sound shortening a normal seven to eight hour transatlantic trip to three and and a half hours however the concorde still had to fly in the atmospheric conditions as every other plane given this information
In Stratosphere layer the Concorde cruise, the troposphere wouldn't carry the Concorde. The temperature increases with weight in stratosphere.
The stratosphere layer is one of the layers of the atmosphere on Earth. In an upward direction, it is the second layer of the atmosphere. Right under the stratosphere is the lowest layer, the troposphere. The mesosphere is the stratosphere's higher-level neighbour. At mid-latitudes, the stratosphere's bottom is located around 10 kilometres (6.2 miles, or about 33,000 feet) above the surface. A 50 km altitude marks the stratosphere's highest point (31 miles). With latitude and seasonal changes, the height of the lower stratosphere varies. When compared to the poles, the lower boundary of the stratosphere can range from 7 km (4 miles) to 20 km (12 miles), or a height of 65,000 feet, close to the equator.
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Why Concorde jet was not cruise in Troposphere?
A high surface tension results from _____.
Answer:
Capillary Action.
Explanation:
Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity.
The equation y = 2x + 3 represents the cost y (in dollars) of mailing a package that weighs x pounds.
Answer:
what is your question though
Explanation:
??? ??? ??? ??? ???
Which of the following is NOT an example of acceleration?
A car is traveling 33 km/h and slows down to 25 km/h.
B.
A car is driving straight at 50 mi/h.
A car is traveling 33 km/h and speeds up to 45 km/h.
A car is traveling 33 km/h north and turns east.
Answer:
B
explanation:
The car is not making a change in speed.
15. You are watching a baseball game on television that 15
being broadcast from 4500 km away. The batter hits
the ball with a loud "crack" of the bat. A microphone
is located 22 m from the batter, and you are 2.0 m from
the television set. On a day when sound travels 343 m/s
in air, what is the minimum time it takes for you to hear
the crack of the bat after the batter hits the ball?
Answer:
t_total = 6.99 s
Explanation:
It asks us how long it takes to hear the sound, for this we must look for the time (t₁) it takes for the sound to reach the microphone, the time it takes for the video signal (t₂) to reach the television and the time (₃) it takes for the TV sound to reach us, so the total delay time is
t_total = t₁ + t₂ + t₂
we look for t1, it indicates that the distance x = 22m
v = x / t
t = x / v
t₁ = 22/343
t₁ = 6.41 10-2 s
time t₂
t₂ = 4500 103/3 108
t₂ = 1.5 10-5 s
time t₃
t₃ = 2/343
t₃ = 5.83 10⁻³
Total time is
t_total = t₁ + t₂ + t₃
t_total = 6.41 10⁻² + 1.5 10⁻⁵ + 0.583 10⁻²
t_total = 6.99 s
(a) What is the escape speed on a spherical asteroid whose radius is 301 km and whose gravitational acceleration at the surface is 0.412 m/s2
Answer:
\(V.E=498.02m/s^2\)
Explanation:
From the question we are told that:
Radius \(r=301Km\)
Gravitational acceleration \(g=0.412 m/s^2\)
Generally the equation for Escape velocity is mathematically given by
\(V.E^2=2gr\)
\(V.E^2=2*0.412m/s^2*301000\)
\(V.E^2=248024\)
\(V.E=\sqrt{248024}\)
\(V.E=498.02m/s^2\)
A CD originally at rest reaches an angular speed of 40. rad/s in 5.0 s.a) What is the magnitude of its angular acceleration?b) How many revolutions does the CD make in the 5.0 s?
a. 8.0 rad/s² is the magnitude of its angular acceleration. b. 31.83 revolutions does the CD make in the 5.0 s.
a) To find the magnitude of angular acceleration, we use the formula:
angular acceleration = (final angular speed - initial angular speed) / time
In this case, the initial angular speed is 0, the final angular speed is 40. rad/s, and the time is 5.0 s. So we have:
angular acceleration = (40. rad/s - 0) / 5.0 s
angular acceleration = 8.0 rad/s²
Therefore, the magnitude of the angular acceleration is 8.0 rad/s².
b) To find the number of revolutions the CD makes in 5.0 s, we first need to find the total angle the CD rotates through in that time. We can use the formula:
angle = angular speed x time
In this case, the angular speed is 40. rad/s and the time is 5.0 s. So we have:
angle = 40. rad/s x 5.0 s
angle = 200. rad
Since there are 2π radians in one revolution, we can convert the angle to revolutions using the formula:
revolutions = angle / (2π)
So we have:
revolutions = 200. rad / (2π)
revolutions ≈ 31.83
Therefore, the CD makes approximately 31.83 revolutions in 5.0 s.
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The rules of team sports are designed to give one team an advantage.
True
False
The rules of team sports are designed to give one team an advantage is False.
The rules of team sports are typically designed to ensure fair and equal competition between teams.
The objective is to create a level playing field where teams can compete based on their skills, strategies, and teamwork. The rules aim to provide a fair and balanced environment for all participants, promoting fair play and sportsmanship.
While some rules may provide advantages or disadvantages in certain situations, the overall intention is not to favor one team over another but to maintain fairness and integrity in the game.
Hence, The rules of team sports are designed to give one team an advantage is False.
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An accidental path of low resistance bypassing the intended path and allowing passage of an abnormally high amount of current is known as what?a) open circuitb) short circuitc) polarized groundd) ground reference point
The phenomenon you're describing, where an accidental path of low resistance bypasses the intended path and allows passage of an abnormally high amount of current, is known as a b) short circuit.
Short circuits occur due to a variety of reasons, including insulation failure, damaged wires, or incorrect wiring.
For instance, if two wires that are meant to be separate accidentally touch each other, a short circuit can occur. Similarly, if a wire's insulation gets damaged, it can come into contact with other wires or conductive surfaces, leading to a short circuit.
When a short circuit occurs, the circuit's protective mechanisms, such as fuses or circuit breakers, may trip to prevent damage. However, if the short circuit is strong enough, it can overload and damage the protective mechanisms as well.
This can cause the circuit to remain live, which can be dangerous and potentially deadly.
Short circuits are common in both household and industrial electrical systems. It is important to address any short circuits promptly to prevent damage to equipment, fires, and injuries. If you suspect a short circuit, it is best to call a professional electrician to diagnose and fix the issue.
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Two pieces of identical metal are being heated at different rates. The first piece is receiving 20 J of energy per minute, and the second piece is receiving 40 J of energy per minute. Which is correct about the thermal energy?.
The correct statement about the thermal energy in this scenario is that the second piece is receiving more thermal energy than the first piece.
Thermal energy is a measure of the internal energy of a substance due to the motion and vibration of its particles. The amount of thermal energy in a substance is directly related to the amount of heat it absorbs or receives.
In this case, the first piece is receiving 20 J of energy per minute, while the second piece is receiving 40 J of energy per minute. Since the second piece is receiving a higher amount of energy, it implies that it is gaining more thermal energy compared to the first piece.
Therefore, the second piece has a greater increase in thermal energy per unit time than the first piece.
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Which force is most important inside an atom?
O A. Gravity
O B. Air resistance
O C. Friction
O D. Strong nuclear force
Answer:
D- fuerza nuclear fuerte
Explanation:
Molar mass of one mole of Iron, please explain how you got your answer...
A tennis ball has 10 J of energy when it is 1 m above the floor.
Name the store associated with this
energy.
The store associated with the energy when a ball has 10 J of energy when it is 1 m above the floor is gravitational potential energy
What is gravitational potential energy?
Gravitational potential energy is the energy of a body by virtue of its position in the gravitational field.
From the question, If a tennis ball has 10 J of energy when it is 1 m above the floor, first, a work of 10 J was done against gravity to lift the tennis from the floor to a height of 1 m. At the height of 1 m, the work of 10 J is converted to the gravitational potential energy of the tennis ball which is stored in the ball.
Hence, The energy associated when a tennis ball has 10 J of energy and it is 1 m above the floor is gravitational potential energy.
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stellar spectra tell us that _____ is the second most abundant element in the sun.
Stellar spectra tell us that helium is the second most abundant element in the sun.
Studies of stellar spectra have shown that hydrogen makes up about three-quarters of the mass of most stars. Helium is the second-most abundant element, making up almost a quarter of a star’s mass. Together, hydrogen and helium make up from 96 to 99% of the mass; in some stars, they amount to more than 99.9%. Among the 4% or less of “heavy elements,” oxygen, carbon, neon, iron, nitrogen, silicon, magnesium, and sulfur are among the most abundant. Generally, but not invariably, the elements of lower atomic weight are more abundant than those of higher atomic weight.
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Stellar spectra tell us that helium is the second most abundant element in the sun.
These spectra provide information about the composition and properties of celestial objects like stars. When analyzing the sun's spectrum, we can observe specific patterns of absorption lines, called Fraunhofer lines, which indicate the presence of various elements.
The most abundant element in the sun is hydrogen, which constitutes approximately 74% of its mass. Helium comes in second, accounting for about 24% of the sun's mass. This composition is determined by nuclear fusion processes taking place within the sun's core. Here, hydrogen atoms are fused together to form helium, releasing a significant amount of energy in the form of light and heat.
By studying stellar spectra, scientists gain valuable insights into the sun's structure, temperature, and composition. The prevalence of helium in the sun's spectrum is a direct result of the fusion process that powers our star, reflecting the relative abundance of elements within the solar system. This understanding of the sun's composition also aids astronomers in analyzing other stars and their properties, contributing to our overall knowledge of the universe.
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Counters can count past their preset values. true/false
The statement" counters can count past their preset values" is regarded to be true. This is known as overflow, where the counter will continue counting from zero after it has reached its maximum preset value.
It is true that counters can count past their preset values. In many systems, once a counter reaches its preset value, it resets to its initial state and continues counting from there. This process is called overflow or rollover, and it allows counters to keep track of counts beyond their preset limits.
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A 25.5 kg video cart is rolled down a hallway. It is accelerated at 0.12 m/s2. If a force of 30 N is applied to move the cart, what force of friction do the wheels have against the floor??
A 25.5 kg video cart is rolled down a hallway. It is accelerated at 0.12 m/s2. If a force of 30 N is applied to move the cart . The wheels have 26.4 N force of friction against the floor
Force of friction is that force that resists the sliding or rolling of one solid object over another
F(applied) - friction = F net
30 - fr = mass * acceleration
30 - fr = 25.5 * 0.12
fr = 30 - 3.06
= 26.4 N
The wheels have 26.4 N force of friction against the floor
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which one of the following is true of an object moving in a circle at constant speed? a the object has an acceleration along a tangent to the circular motion.. b all statements above are false. c the direction of the velocity of the object is changing. d the object has a velocity towards the center of the circle.
Option c is correct. The direction of velocity of an object changes. During uniform circular motion, speed is constant, but the direction changes at every point. So, velocity changes due to a change in direction.
When an object is moving on a circular path with constant speed, motion is called uniform circular motion. During such motion, speed is constant, but velocity changes due to changes in direction at every point on the curve. The direction of velocity is along the tangent at every point.
There is acceleration which has a direction towards the center. This acceleration causes centripetal force. Due to this force object moving in a circular path continuously changes direction and is capable of moving in a circular path.
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what kind of graph best displays the movement of a harmonic oscillator? a. velocity time b. displacement time c. force time d. acceleration time
The correct answer is (b) displacement time.
A harmonic oscillator refers to a system that exhibits simple harmonic motion, where the restoring force is directly proportional to the displacement from the equilibrium position. The most appropriate graph to represent the movement of a harmonic oscillator is the displacement-time graph. This graph shows the variation of the displacement of the oscillator with respect to time. As the oscillator oscillates back and forth around its equilibrium position, the displacement varies periodically with time, following a sinusoidal pattern. The displacement-time graph allows us to visualize the amplitude, frequency, and phase of the oscillation, providing insights into the behavior of the harmonic oscillator.
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Help, I cant do it by myself and I really need this done. Please.
Part One
Text Version
Image shows a lake, a factory, a cloud in the sky, a cow, dead organisms, a tree, and the sun. An arrow from the sun to the tree is labeled A. An arrow from the sky to the tree is labeled B. The sky is labeled C above the cloud. The letter D is in the air and an arrow points from it down to dead organisms. An arrow points from dead organisms to the ground labeled E. An arrow points from the cow into to the sky labeled F. An arrow points from the factory to the sky labeled G. An arrow from the sky to the lake is labeled H above the lake.
Using the diagram above, match the description to the corresponding location in the carbon cycle model. Provide the letter only.
Carbon dioxide is converted to sugar used for food.
Location:
Carbon trapped in fossil fuels is converted to carbon dioxide.
Location:
Organic carbon is converted to fossil fuels.
Location:
Carbon dioxide is converted to carbonates.
Location:
Sugar is broken down and converted to carbon dioxide.
Location:
Part Two
Text Version
Images shows a lake labeled carbonates in water, a cow labeled animal respiration, a tree labeled photosynthesis, a factory labeled factory emissions, the sun labeled sunlight, a cloud labeled carbon dioxide in atmosphere, another tree labeled plant respiration, an arrow from organic carbon to dead organism, and fossils and fossil fuels. Arrows are labeled as follows: A from the sunlight to photosynthesis, B from carbon dioxide in atmosphere to photosynthesis, C from factory emissions to carbon dioxide in atmosphere, D from carbon dioxide in atmosphere to carbonates in water, E from dead organisms to fossils and fossil fuels, and F from plant respiration to the sky.
Using the diagram above, answer the following questions:
True or False. The arrow labeled C represents a transfer of chemical energy to mechanical energy. Explain why this is true or false.
True or False. The arrow labeled A represents a transfer of solar energy to chemical energy. Explain why this is true or false.
Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?
Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected.
Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer.
Answer:
Part One:
Location: A - The arrow from the sun to the tree represents photosynthesis, where carbon dioxide is converted to sugar used for food.
Answer: A
Location: G - The arrow from the factory to the sky represents the release of carbon dioxide from factory emissions, which contributes to the conversion of carbon trapped in fossil fuels to carbon dioxide.
Answer: G
Location: E - The arrow from dead organisms to the ground represents the process where organic carbon is converted to fossil fuels over a long period of time.
Answer: E
Location: D - The arrow from the air to dead organisms represents the conversion of carbon dioxide to carbonates, which can be deposited in the ocean and form rocks over millions of years.
Answer: D
Location: F - The arrow from the cow to the sky represents animal respiration, where sugar is broken down and converted to carbon dioxide.
Answer: F
Part Two:
True or False. The arrow labeled C represents a transfer of chemical energy to mechanical energy. Explain why this is true or false.
False. The arrow labeled C represents the transfer of chemical energy (carbon dioxide) from the factory emissions to the atmosphere. There is no mechanical energy involved in this process.
True or False. The arrow labeled A represents a transfer of solar energy to chemical energy. Explain why this is true or false.
True. The arrow labeled A represents photosynthesis, where solar energy is used to convert carbon dioxide into chemical energy in the form of sugar.
Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?
Arrows C and F represent a release of carbon dioxide. Arrow C represents the release of carbon dioxide from factory emissions, while arrow F represents animal respiration where sugar is broken down to release carbon dioxide.
Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected.
Arrows B, D, and E indicate processes that cycle carbon from living or nonliving organisms. Arrow B represents photosynthesis where carbon dioxide is taken up by plants, arrow D represents the conversion of carbon dioxide to carbonates which can be deposited in the ocean and form rocks over millions of years, and arrow E represents the conversion of dead organisms into fossil fuels over a long period of time.
Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer.
All arrows in the diagram demonstrate the conservation of mass and energy. The carbon cycle is a closed system, meaning that the total mass of carbon in the cycle remains constant over time. Energy is also conserved as it is converted from one form to another throughout the cycle.
What was the caloric theory of heat?
Answer:Caloric theory, explanation, widely accepted in the 18th century, of the phenomena of heat and combustion in terms of the flow of a hypothetical weightless fluid known as caloric. ... The idea of an imaginary fluid to represent heat helped explain many but not all aspects of heat phenomena.
Explanation:
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When catching a baseball, a catchers glove moves by 10cm along the line of motion of the ball. If the baseball exerts a force of 475N on the glove, how much work is done by the ball?
The correct answer is 47.5 J
The movement by the gloves = 10cm
Force by the baseball = 475N
First of all we are going to convert cm to meter
10cm = 10/100 meters = 0.1m
The formula for work done is given as:
W = f x d
W = work done
F = force
D = distance
Work done = 475 x 0.1
= 47.5 joules
Therefore, the work done by the ball is 47.5 joules.
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If distance from the Sun were the only factor affecting surface habitability, which of the following would be habitable?
A) the Moon
B) Venus
C) Mercury
D) all of these
Answer: B) Venus, If distance from the Sun were the only factor considered, Venus would be the only habitable option among the given choices. The Moon lacks a significant atmosphere, and Mercury is too close to the Sun, resulting in extreme temperatures.
If distance from the Sun were the only factor considered, Venus would be the only habitable option among the given choices. While the Moon lacks a substantial atmosphere and experiences extreme temperatures, and Mercury is too close to the Sun with extreme temperature variations, Venus has a unique characteristic. Despite being closer to the Sun than Earth, Venus has a thick atmosphere that creates a greenhouse effect, trapping heat and raising its surface temperature to extremely high levels. This thick atmosphere could potentially provide a stable environment for liquid water and make Venus habitable, at least in terms of surface conditions. However, other factors such as the composition of the atmosphere and the presence of other essential elements would also influence habitability.
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Antimony is like a nonmetal in that it is a brittle, crystalline solid, has poor electrical and heat conductivity, and has a low boiling point. However, it is also like a metal because of its shiny silver appearance and ability to form alloys.
Which of the following statements best describes antimony?
Answer:
Antimony is metalloid
Explanation:
From the properties of the metals given, we can conclude that antimony is pure a metalloid.
A metalloid has the properties of metals and non-metals.
Most metalloids will only conduct heat and electricity under certain conditions so they are poor conductors. As expected of a metal, it should be malleable and ductile but antimony is brittle and a crystalline solid. Although, it can form an alloy. We can see that most of the properties of this metal is in between those of true metals and non-metals. Therefore, antimony is a metalloid.An explorer walks 21.2 kmdue east, then 18.23 km north, and finally 9.5 km west.
19. What is the total distance walked?
20. What is the resulting displacement of the explorer from the starting point?
Answer:
48.93km = distance 22km = displacement
Explanation
to find distance add all of them up
21.2 + 18.23 + 9.5 = 48.93km
distance is just the total amount traveled, displacement on the other hand is how far away you are from the starting place.
To find displacement you want to basically create a triangle. Lets say you have x and y (vertical) axis. you got 21.2 along x and -9.5 along x so that is a total of 11.7 along x axis.
then you move 18.23 along the y axis. Draw a triangle using 11.7 and 18.23 and find the hypotenuse.
to do this use Pythagorean theorem which is c^2 = a^2 + b^2
so 11.7^2+18.23^2 = 469.2229, then take the square root of that and you get 21.661km or 22km with sig figs.
hope this makes sense!