Answer:
circle graph
Explanation:
A circle graph it is a statistical resource that is used to represent percentages and proportions. The number of elements compared within this graph can range from two to as many as required. Thus, Using this graph you can visualize the proportion of each expense, like food and housing, with respect to the total monthly income.
Answer:
circle graph
Explanation:
did the test
How do you find velocity on a position/time graph?
Well, to find velocity, you need to divide the change in position by the change in time. So on your graph, find two points. Find the change in position and time in those two points, these can be any two points on the graph. Then you can divide the change in position by the change in time. (I know this explanation is confusing so hopefully what I included below can help.)
Velocity = x1 - x2 divided by t1 - t2
x1 = final position x2 = initial position
t1 = final time t2 = initial time
Hopefully this helps!
A loaf of bread weighs 1362 g. The weight in kilograms is
a. 001362 kg.
c. 01362 kg.
b. 1362 kg.
d. 1.362 kg.
A loaf of bread weighs 1362 g. The weight in kilograms is 1.362 kg. The correct option is d.
The weight of a loaf of bread is 1362 grammes, or 1.362 kilogrammes. Since there are 1000 grammes in a kilogramme, you must divide the weight in grammes by 1000 to convert it to kilogrammes. So, 1.362 kg is the weight in kilogrammes.
The conversion choice "d. 1.362 kg" gives the right weight of the bread in kilogrammes, appropriately representing this conversion.
Thus, the correct option is d.
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The Pacific Giant Kelp grows at a rate of 18 in/day. How many centimeters per hour is this?
For this case we must do a conversion. By definition we have to:
1 inch equals 2.54 centimeters
1 day equals 24 hours.
So, we have:[tex]18 \frac {in} {day} * \frac {1} {24} \frac {day} {h} * \frac {2.54} {1} \frac {cm} {in} =[/tex]
Canceling units we have:
[tex]\frac {18 * 1 * 2.54} {24 * 1} \frac {cm} {h} =\\\frac {45.72} {24}\frac {cm} {h} =[/tex]
[tex]1,905 \frac {cm} {h}[/tex]
Answer:
[tex]1,905 \frac {cm} {h}[/tex]
Answer:
1.905cm
explanation:
What effect does distance have on the force of gravity?
A - Increasing the distance between two objects increases the gravitational force.
B - Decreasing the distance between two objects decreases the gravitational force.
C - Increasing the distance between two objects decreases the gravitational force.
D - Distance is not a factor in determining the force of gravity.
Answer:
The answer is increasing the distance between two objects decreases the gravitational force. which is C
The effect does distance have on the force of gravity is increasing the distance between two objects decreases the gravitational force. Therefore, option C is correct.
What is gravitational force ?The gravitational force, which is what pushes mass-containing objects toward one another. We frequently consider the pull of gravity from the Earth. Your body is kept on the ground by this force. However, all mass-bearing objects are pulled toward one another by gravity.
Any two mass-containing objects are attracted to one another by the gravitational force. Because it consistently attempts to pull masses together rather than pushing them apart, the gravitational force is known as attractive.
According to legend, Isaac Newton developed the theory of gravitation around 1665 or 1666 after observing an apple fall and wondering why it fell straight down rather than sideways or even upward.
Thus, option C is correct.
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Starting at 48th Street, Dylan rides his bike due east on Meridian Road with the wind at his back. He rides for 20 min at 15 mph. He then stops for 5 min, turns around, and rides back to 48th Street; because of the headwind, his speed is only 10 mph.
Answer:
55 min
Explanation:
The missing question is: how long does the trip take?
First of all, we need to find the initial distance covered by Dylan. In the first part, he rides for
[tex]t_1 = 20 min = \frac{1}{3}h[/tex]
at a speed of
v = 15 mph
therefore, the distance he covered is
[tex]d = v t_1 = (15)(\frac{1}{3})=5 mi[/tex]
Then Dylan stopped for a time of
[tex]t_2 = 5 min = \frac{5}{60}=\frac{1}{12}h[/tex]
Finally, on the way back, Dylan covered again this distance but travelling at a new speed of
v = 10 mph
So, the time he took is
[tex]t_3 = \frac{d}{v}=\frac{5}{10}=\frac{1}{2}h = 30 min[/tex]
So, the total time of the trip was
[tex]t=t_1 + t_2 + t_3 = 20 min + 5 min + 30 min = 55 min[/tex]
Dylan's bike ride involves displacement and average velocity. He ends up back at the starting point after riding a certain distance and direction with the wind and then against the wind, resulting in a final displacement of zero miles.
Explanation:This question involves the concept of displacement and average velocity.
Dylan rides his bike east for 20 minutes at a speed of 15 mph. The distance he travels can be calculated by multiplying the speed by the time: (15 mph) x (20 min) = 300 miles. Since he rides in a straight line, his displacement is also 300 miles east.
After turning around and riding back, Dylan travels at a speed of 10 mph. In the opposite direction, his displacement will be the negative value of his initial displacement: -300 miles.
Overall, his final displacement is the sum of his initial displacement and his opposite displacement: 300 miles + (-300 miles) = 0 miles. This means that Dylan ends up back at the starting point, 48th Street.
describe how you can you use a graduated cylinder to measure the volume of an irregular object
Answer:Place the graduated cylinder on a flat surface and view the height of the liquid in the cylinder with your eyes directly level with the liquid. The liquid will tend to curve downward. This curve is called the meniscus. Always read the measurement at the bottom of the meniscus.
Explanation:
6. Light is characterized by which two properties?
Final answer:
Light exhibits wave-like properties, such as wavelength and frequency, as well as particle-like properties represented by photons, illustrating the wave-particle duality.
Explanation:
Light is characterized by its wave-like properties and particle-like properties, a concept known as wave-particle duality. As a wave, light is described by properties such as wavelength (the distance between consecutive peaks of the wave) and frequency (the number of wavelengths that pass a point in a given time).
Light's behavior as a particle is evident in phenomena like the photoelectric effect, where light is seen to consist of particles called photons.The combination of wave and particle properties provides a comprehensive framework for explaining the diverse behaviors observed in different experimental contexts.
70 POINTS PLEASE HELP
I will report any answers that are incomplete or wrong
List the four fundamental forces. Give an example of a phenomenon that illustrates two of the forces.
Answer:
Gravitational force, Weak Nuclear force, Electromagnetic force and Strong Nuclear force. The weak and strong forces are effective only over a very short range and dominate only at the level of subatomic particles. Gravity and Electromagnetic force have infinite range.
A man pushes a lawn mower with a force of 25 newtons. The lawn mower has a mass of 17 kilograms and the handle makes an angle of 60 degrees with the horizontal. How much work is done if the lawn mower is pushed a total of 500 meters
Answer:
6250 J
Explanation:
Work is the distance times the component of the force along that distance.
The horizontal component of the force is:
25 N × cos(60°) = 12.5 N
So the work done is:
W = (500 m) (12.5 N)
W = 6250 J
To calculate the work done by the man on the lawn mower, we use the formula Work = Force imes Distance times cos( heta). The horizontal component of the force is determined and then multiplied by the distance to get a total work done of 6250 joules.
Calculating Work Done When Pushing a Lawn Mower
To calculate the work done on an object, you can use the formula Work (W) = Force (F) times Distance (d) times cos( heta), where heta is the angle between the force and the direction of movement. For the man pushing the lawn mower, the force is 25 newtons, the distance is 500 meters, and the angle is 60 degrees with the horizontal.
First, calculate the horizontal component of the force:
Fhorizontal = F times cos(heta)
Fhorizontal = 25 N times cos(60°)
Fhorizontal = 25 N times 0.5
Fhorizontal = 12.5 N
Next, calculate the work done using the horizontal component of the force:
W = Fhorizontal times d
W = 12.5 N times 500 m
W = 6250 J (joules)
Therefore, the work done by the man on the lawn mower when pushing it 500 meters is 6250 joules.
What is 220 DU in ppm?
Answer:
0.022
Explanation:
Answer:
o.o22
Explanation:
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If one object is 103 km away and a second object is 106 km away, one could say that the second object is _____ times further away than the first object.
The second object at 106 km is approximately 1.03 times further than the first object at 103 km. For proper comparison, both distances should be in the same unit, after which simple arithmetic can reveal the relation between the two.
Explanation:When comparing distances, it's essential to express both measurements in the same unit to clearly understand which is greater or by how much one is greater than the other. For example, if one object is 103 km away and a second object is 106 km away, we are actually comparing two distances that are already in the same unit, kilometers. In this case, 106 km is merely 3 km farther than 103 km; it is not a multiple times further. To establish a ratio of the greater distance to the lesser one, we can divide 106 by 103, which gives us approximately 1.0291262, meaning the second object is approximately 1.03 times further away than the first object, not a whole multiple times further.
For a better understanding, let's consider the examples given:
For the distances of 743 km and 74.3 km, once both are expressed in the same unit, it's clear that 743 kilometers is greater than 74.3 kilometers, illustrating how to compare two different distances.When comparing 2 km and 400 meters, converting the 400 meters to kilometers (0.4 km) shows that 2 kilometers is greater than 0.4 kilometers.For comparing a running race of 5000 meters with another race of 10 kilometers, once you convert 5000 meters to 5 kilometers, it is evident that 10 kilometers is greater than 5 kilometers.
Therefore, it's important to compare distances thoughtfully, ensuring they are expressed in the same units to accurately determine the comparison.
List and Explain three ways study groups benefit your learning
Answer:
Explanation:
Find a new perspective.The other members of the study group will have different ideas and perspectives to their own, thus generating different ways of understanding a topic. When you study, you only have one vision, however, by doing it in company, your own knowledge is enriched and you can understand the concepts globally.
MotivationIt is another advantage of studying in a group. Being alone, he turns around before sitting down to study, looking for excuses and wasting time. On the other hand, when having a study appointment, you must meet a schedule, taking advantage of the moment to just study. They will also encourage each other to continue studying. In short, you cannot postpone studies as you would if you were studying alone.
Eliminate boredom.Joining a study group generally makes the act of studying a little less monotonous. You should try to put together a group with those who understand the subject and are responsible, and the ideal is to enjoy the entire study process in company.
Answer:
Look at things from a different angle.
Other members of the study group will have different views and viewpoints than they do, resulting in a variety of approaches to a topic. When you study, you only have one vision; but, when you do it in a group, your knowledge expands and you may grasp topics more broadly.
Motivation
Another benefit of studying in a group is this. He turns around before settling down to study because he is alone, looking for reasons and wasting time. When you have a study appointment, on the other hand, you must stick to a timetable and use the time to study. They will also motivate one another to keep learning. In other words, you won't be able to postpone your studies like you would if you were studying alone.
Explanation:
What is sound advice for people becoming better listeners?
People should show appreciation for what the speaker is saying.
People should pay attention to what the person is actually saying, not to what his or her actions and voice are implying.
People should offer advice only when it is actionable and applicable.
People should use their own words when restating the speaker’s message for understanding.
Answer:
People should show appreciation for what the speaker is saying.
Explanation:
A car travels 12 kilometers due north and then
8 kilometers due west going from town A to
town B. What is the magnitude of the displacement
of a helicopter that
ies in a straight line from
town A to town B?
Answer:
14.42km
Explanation:
Given that the car traveled 12km due north, then 8 km due west going from town A to B, this can be represented on x-y plane as ( vectors) 12 units up and the 8 units to the left .
In doing so , the magnitude of displacement will be the square-root of the sum of squares of the two vectors
Magnitude =[tex]\sqrt{12^2+8^2} \\\\=\sqrt{144+64} \\\\\\=\sqrt{208} \\\\\\=14.42km[/tex]
If a car travels 12 kilometers due north and then 8 kilometers due west going from town A to town B. The magnitude of the displacement of a helicopter that flies in a straight line from town A to town B will be 14 km
Using this formula
Magnitude of the displacement=√North kilometers ²+West kilometers ²
Where:
North=12 kilometers
West=8 kilometers
Let plug in the formula
Magnitude of the displacement=√12²+8²
Magnitude of the displacement=√144+64
Magnitude of the displacement=√208
Magnitude of the displacement=14 km
Inconclusion If a car travels 12 kilometers due north and then 8 kilometers due west going from town A to town B. The magnitude of the displacement of a helicopter that flies in a straight line from town A to town B will be 14km
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In any circuit, current is inversely proportional to:
potential
resistance
emf
voltage
Answer:
This equation, i = v/r, tells us that the current, i, flowing through a circuit is directly proportional to the voltage, v, and inversely proportional to the resistance, r. In other words, if we increase the voltage, then the current will increase.
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What is a physical change in matter?
Answer:Physical changes involve states of matter and energy.
Explanation:
No new substance is created during a physical change, although the matter takes a different form. The size, shape, and color of matter may change. Physical changes occur when substances are mixed but don't chemically react.
Final answer:
A physical change is when matter changes its form or properties without changing its chemical identity, such as melting ice or evaporating water.
Explanation:
A physical change is a type of change in which the form of matter is altered but its identity remains the same. For example, when an ice cube melts, it goes from a solid to a liquid (Figure 1.2.3); this change alters its shape and allows it to flow, yet the chemical composition of water (H₂O) does not change. Another instance is when water vaporizes; the temperature and energy of water molecules increase leading to evaporation, turning liquid water into water vapor (H₂O (l) → H₂O (g)), without altering the molecular structure.
Sorting a mixture of pennies and nickels changes the arrangement of the coins without changing their properties. Similarly, tearing a piece of paper changes its shape and size, but it remains paper. These examples show that during a physical change, the arrangement of particles may change, but the mass, number of atoms, and number of molecules stay the same.
Which statement best explains why elements are matter?
A) The building blocks of elements are small particles called atoms.
B) Elements are pure substances that cannot be divided chemically.
C) Each element is a pure substance composed of one type of atom.
D) An element is a physical substance that has mass and takes up space.
An experiment is conducted using 2 plants to determine if the amount of sunlight they receive affects how fast they grow. Which should be true about this experiment, based on good experimental design? An experiment is conducted using 2 plants to determine if the amount of sunlight they receive affects how fast they grow. Which should be true about this experiment, based on good experimental design?
Each of the plants should be planted with different types of soil.
Both plants should receive the same amount of sunlight each day.
Each of the plants should be planted with different types of fertilizer.
1 plant should receive sunlight each day, and 1 plant should never receive sunlight.
Greetings!
The correct answer choice is Choice 4.
Why?
In a scientific experiment the only thing being changed is the independent variable. Everything else should stay the same.
In this experiment, the independent variable is the amount of sunlight each plant should receive. Here's a tip- when looking for and independent variable look for whats being changed on purpose.
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~Fluerie
Marie Curie and her husband Pierre were Henri Becquerel's graduate students when Becquerel
discovered spontaneous radiation. In 1903, the Curies shared the Nobel prize for physics with Becquerel.
Based on The Discovery of Radioactivity, which statement best describes Becquerel's influence on
Marie Curie's work with radioactivity?
O
O
Becquerel proposed the concept of radiation and Marie Curie reproduced his experiments.
Becquerel's work proved that radiation was far too dangerous for anyone to experiment with.
Marie Curie's work with Becquerel made her more curious and prompted her to research and
experiment with radioactivity.
Marie Curie was such a talented scientist that Becquerel's work did not have any influence on her
discoveries.
O
Answer:
It is C on edge.
Explanation:
Because I just figured it out and got it right and because it says so in the link provided from the question.
Answer:
the answers is c
Explanation:
just did it on edge
In order to decrease the friction an object experiences, you can either change
the surface it sits on or you can_______its weight.
Answer:
Reduce its weight
Explanation:
For an object on a flat surface, the maximum force of friction experienced by the object is given by:
[tex]F = \mu W[/tex]
where
[tex]\mu[/tex] is the coefficient of friction
W is the weight of the object
As we can see from the formula, there are two ways of reducing the friction:
- Decreasing [tex]\mu[/tex] --> this coefficient depends on the material and on the roughness of the surface, so this can be changed by changing the properties of the surface
- Decreasing W, the weight --> this can be done by reducing the mass of the object
A force of 20 newtons is required to push a 30 kg cart 40 meters across a room. From this effort, how many joules of work are performed?
Answer: 800 Joules
Explanation:
The Work [tex]W[/tex] done by a Force [tex]F[/tex] refers to the release of potential energy from a body that is moved by the application of that force to overcome a resistance along a path with distance [tex]d[/tex].
Work is a scalar, and its unit in the International System of Units is the Joule (like energy). Therefore, 1 Joule is the work done by a force of 1 Newton when moving an object, in the direction of the force, along 1 meter:
[tex]1J=(1N)(1m)=Nm[/tex]
Now, when the applied force is constant and the direction of the force and the direction of the movement are parallel (as this case), the equation to calculate it is:
[tex]W=(F)(d)[/tex]
Where:
[tex]F=20 N[/tex]
[tex]d=40 m[/tex]
Then:
[tex]W=(20 N)(40 m)[/tex]
[tex]W=800 Nm=800 J[/tex]
Place these bodies of our solar system in the proper order of formation.
outer planets
Inner plants
solar nebula
the Sun
planetesimals
Answer:
solar nebula, the sun, planetesimals, inner planets, and last but not least outer planets
Answer:
1. Solar Nebula
2. The Sun
3. Planetesimals
4. Inner planets
5. Outer planets
Explanation:
A star is formed in a molecular cloud of gas and dust, mainly composed of hydrogen and helium. The Nebular Theory establishes, for the formation of the solar system, that the cloud starts to collapse under its own gravity when it receives a shock wave from a near event, for example, a supernova explosion. That results in the cloud breaking in small pieces, and those pieces constitute a possible future star.
Then it begins to accrete and rotate as a consequence of the angular momentum. In the center of that disk when it reaches the necessary temperature and pressure a protostar will born.
Around the star, in this case the Sun, fragments of dust combine until they get a meaningful size (planetesimals). According with chemical distribution on the disk of the future solar system, rocky and iron were closer to the Sun and gasses and ice were in the outer part of disk. That may explain why the inner planets are terrestrial and the outer planets are giant gasses.
An observation is received directly or indirectly by
Hearing
Seeing
Tasting/touch
All of the above
Answer:
All of the above
Explanation:
because these are all senses of the body and therefore you're receiving signals from all of them all the time
Answer:
D. All of the above.
Explanation:
An observation is received directly or indirectly by all of the above. When observing things, you need to visually be able to see what is being observed, and be able to touch hear and even taste. This ensures that you can get the best out of the observation.
The velocity of a an object in linear motion changes from +25 meters per second to +15 meters per second in 2.0 seconds.
Answer:
[tex]-5.0 m/s^2[/tex]
Explanation:
Missing question:
What is the object's acceleration?
Solution:
The acceleration of an object is given by
[tex]a=\frac{v-u}{t}[/tex]
where
v is the final velocity
u is the initial velocity
t is the time taken for the change in velocity
For the object in this problem,
u = +25 m/s
v = +15 m/s
t = 2.0 s
Substituting,
[tex]a=\frac{15-25}{2}=-5.0 m/s^2[/tex]
And the acceleration is negative because its direction is opposite to that of the velocity.
think about Newton's second law. when designing a rocket ship, what could be adjusted in the design to provide more acceleration?
Answer:Newton's second law is not sufficient to explain rocket's design or requirements it also involves momentum
Explanation:by solving some equations involving newton's second law and momentum we get this Ma=mv M is mass of rocket and m is mass of gases so a=mv/M so as the time passes mass of rocket decreases due to burning of fuel and acceleration a increases
A heavier rocket requires more force to accelerate. Newton's second law, sometimes written as a=F/m, states that the heavier an object, the more force is required to accelerate it.
What is Newton's second law?It implies that the time rate of change of a momentum is equal in magnitude and direction to the force applied to it. A body's momentum is equal to the product of its mass and velocity.
The amount of force produced by a rocket engine is determined by the amount of rocket fuel burned and the rate at which gas escapes the rocket (second law).
The reaction, or motion, of the rocket is equal to and in the opposite direction of the engine's action, or force (third law).
To accelerate, a heavier rocket requires more force. Newton's second law, sometimes written as a=F/m, states that the more force required to accelerate an object, the heavier it is.
Thus, this way, it could be adjusted in the design to provide more acceleration as a greater force will result in a greater acceleration, so a greater force will accelerate a rocket more.
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Pllsss help Which of the following is a force acting between objects that do not touch? Normal force
Frictional force Electrical force Applied force
Answer:
Electrical force
Explanation:
Of the options given, the electric force is the only force that acts at a distance, that is, it is not necessary for two objects to be in physical contact for there to be electric force between them (Another example of force acting at a distance is the force of gravity.).
Instead, forces such as the normal force, friction force, and applied force all need contact between objects to take effect.
For example if an object does not touch the surface the normal force is null.
The gravitational force between two objects is 2400 N. What will be the gravitational force between the objects if the mass of one object is doubled
600N
1200N
4800N
9600N
Answer:
4800N
Explanation:
Lets assume,
Mass of first object = m₁
Mass of second object = m₂
Distance between the two objects = r
Thus the force between the two objects will be
[tex]F = \frac{G\times m_{1}\times m_{2}}{r^{2}}[/tex]
where, G = Universal gravitational constant
Given, F = 2400N
New mass of second object = 2m₂
Now, the force will be
[tex]F_{2} = \frac{G\times m_{1}\times 2m_{2}}{r^{2}}[/tex]
[tex]F_{2}= 2\frac{G\times m_{1}\times m_{2}}{r^{2}}[/tex]
[tex]F_{2}= 2F[/tex]
[tex]F_{2}= 2\times2400[/tex]
Thus, F₂ = 4800N
Jose gets up from his seat on the bus to move closer to the front. Just as he begins to walk forward, the bus stops at a light. What is the best explanation of what happens to Jose?
Answer:
According to first law of motion, a body continues to be in state of rest or motion unless an unbalanced force acts on it.
When the bus stops, Jose feels a sudden forward motion. This is due to the inertia of motion. In the bus, Jose has same speed as the bus while sitting. When she gets and starts moving, the bus stops at the light. But due to the inertia of motion, Jose feels a sudden forward motion before she finally stops.
Distinction between eutrophication and artificial eutrophication
Difference between Eutrophication and Artificial Eutrophication
Eutrophication is defined as the process where there is excessive nutrients available in a water medium. There are two types of eutrophication process called as man-made eutrophication or artificial eutrophication and natural eutrophication.
As the name implies natural eutrophication occurs naturally without any external factor. Whereas artifical eutrophication is stimulated by external factor as it is forced by human activity. Eutrophication is imposed artificially so that to maintain a proper state of equilibrium is to reduce water pollution.
Eutrophication refers to the natural process of nutrient enrichment in bodies of water, while artificial eutrophication is the accelerated process caused by human activities.
1) Cause: Eutrophication occurs naturally from sources like sediment erosion and decaying organic matter. Artificial eutrophication is caused by human activities such as agriculture, sewage, and industrial discharges.
2) Rate and Timescale: Eutrophication is a slow, natural process occurring over centuries or longer. Artificial eutrophication is rapid and occurs within a shorter time frame.
3) Nutrient Sources: Eutrophication is driven by natural sources like weathering of rocks and soils. Artificial eutrophication is primarily caused by human sources such as agricultural runoff and sewage discharge.
4) Ecological Impact: Eutrophication can have ecological impacts, but artificial eutrophication often leads to more severe consequences like harmful algal blooms, oxygen depletion, and disruption of aquatic ecosystems.
5) Control and Prevention: Eutrophication is challenging to control as a natural process. Artificial eutrophication can be mitigated by implementing nutrient management practices, wastewater treatment, and land-use regulations.
In summary, eutrophication is the natural process of nutrient enrichment, while artificial eutrophication is the accelerated process caused by human activities, leading to more severe ecological impacts.
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the following is the most reasonable weight in units of newtons for an average adult? 120 N 27 N 1000 N 603 N
Answer:
The most reasonable weight for an average adult is 603 A ⇒ last answer
Explanation:
The weight of an adult = gm, where m is the mass and g is the
gravitational acceleration
The gravitational acceleration is approximately 9.8 m/s
We need to find the most reasonable weight in units of newtons for an
average adult
The weight is 120 N
w = mg
120 = m(9.8)
Divide both sides by 9.8
m = 12.24 kg
The weight is 27 N
27 = m(9.8)
Divide both sides by 9.8
m = 2.76 kg
The weight is 1000 N
1000 = m(9.8)
Divide both sides by 9.8
m = 102.1 kg
The weight is 603 N
603 = m(9.8)
Divide both sides by 9.8
m = 61.5 kg
From the all the answers above the most suitable mass of an adult
is 61.5 kg, then the most reasonable weight for an average adult is
603 N
The most reasonable weight for an average adult is 603 A