determine the force of gravitational attraction between the earth and a 62.0 kg physics student if the student is standing at sea level.
Answers
The force of gravitation attraction between the earth and the physics student is 607.6 N .
The Force of Gravitation is defined as force of attraction that arises between two bodies that have definite mass .
given that the mass of the physics student is 62 Kg ;
we know that , F = GmM/d²
where , G = 6.67 × 10⁻¹¹ Nm²/Kg² ,
mass of earth ⇒ 5.98 × 10²⁴ Kg , mass of student ⇒ 62 Kg ,
distance of separation ⇒ 6.38 × 10⁶ m;
So , the force is = (6.67×10⁻¹¹ × 5.98×10²⁴ × 62)/(6.38×10⁶)²
F = (2472.9692×10¹³)/(40.7044 × 10¹²)
Simplifying further ,
we get ;
F = 607.543 N
F ≈ 607.6 N
Therefore , the force of gravitational attraction is 607.6 N .
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Related Questions
How many grams of potassium sulfate do you need to make 196 mL of a 0.317 M solution?
Answers
The main answer is that to determine the grams of potassium sulfate required to make a 0.317 M solution in 196 mL, we need to use the formula:
grams of solute = (molarity × volume in liters × molar mass of solute)
First, we convert the volume from milliliters to liters by dividing it by 1000:
Volume in liters = 196 mL ÷ 1000 = 0.196 L
Next, we can substitute the values into the formula:
grams of potassium sulfate = (0.317 M × 0.196 L × molar mass of potassium sulfate)
To calculate the molar mass of potassium sulfate (K2SO4), we add the atomic masses of its elements:
Molar mass of K2SO4 = (2 × atomic mass of K) + atomic mass of S + (4 × atomic mass of O)
Using the atomic masses from the periodic table, we can calculate the molar mass.
Finally, we substitute the molar mass into the formula to calculate the grams of potassium sulfate needed.
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1. How does the mass of Jupiter compare to Earth?
2. How quickly does it rotate on its axis?
3. What makes the different bands on the planet?
Answers
Answer:
1.
Jupiter is the largest planet in the solar system. (Image credit: NASA)
The largest planet in the solar system, the gas giant Jupiter is approximately 318 times as massive as Earth. If the mass of all of the other planets in the solar system were combined into one "super planet," Jupiter would still be two and a half times as large.
2.Rotation of Jupiter
[/caption]
Jupiter has the fastest rotation of all the planets in the Solar System, completing one rotation on its axis every 9.9 hours.
3.Jupiter, the King of the Planets, is a gas giant, which means that it's made mostly of gases like hydrogen and helium, and that it doesn't have a solid surface in the way that rocky planets like Earth do. With a temperature of 130 K (-140 C, -230 F), it's so cold that it gives off most of its energy in the infrared. In fact, Jupiter gives off almost twice as much heat as it receives from the Sun. It's able to do this because it has its own internal heat source, powered by the slow gravitational collapse that started when the planet first formed. Astronomers estimate that Jupiter is currently shrinking by almost 2 cm per year
A solid cylinder has a mass of 5 kg and radius of 2 m and is fixed so that it is able to rotate freely around its center without friction. A 0.02 kg bullet is moving from right to left with an angular momentum of 9 kgm2s just before it strikes the cylinder near its bottom and gets stuck at the outer radius. What is the angular velocity (magnitude and direction) of the cylinder bullet system after the impact
Answers
Answer:
0.893 rad/s in the clockwise direction
Explanation:
From the law of conservation of angular momentum,
angular momentum before impact = angular momentum after impact
L₁ = L₂
L₁ = angular momentum of bullet = + 9 kgm²/s (it is positive since the bullet tends to rotate in a clockwise direction from left to right)
L₂ = angular momentum of cylinder and angular momentum of bullet after collision.
L₂ = (I₁ + I₂)ω where I₁ = rotational inertia of cylinder = 1/2MR² where M = mass of cylinder = 5 kg and R = radius of cylinder = 2 m, I₂ = rotational inertia of bullet about axis of cylinder after collision = mR² where m = mass of bullet = 0.02 kg and R = radius of cylinder = 2m and ω = angular velocity of system after collision
So,
L₁ = L₂
L₁ = (I₁ + I₂)ω
ω = L₁/(I₁ + I₂)
ω = L₁/(1/2MR² + mR²)
ω = L₁/(1/2M + m)R²
substituting the values of the variables into the equation, we have
ω = L₁/(1/2M + m)R²
ω = + 9 kgm²/s/(1/2 × 5 kg + 0.02 kg)(2 m)²
ω = + 9 kgm²/s/(2.5 kg + 0.02 kg)(4 m²)
ω = + 9 kgm²/s/(2.52 kg)(4 m²)
ω = +9 kgm²/s/10.08 kgm²
ω = + 0.893 rad/s
The angular velocity of the cylinder bullet system is 0.893 rad/s in the clockwise direction-since it is positive.
As you walk around the ASU Campus IN THE SHADE, the air is quite warm this time of year. Exactly what heats the air you feel next to Earth's surface? Indirect solar radiation Redirected solar radiatio
Answers
The air you feel next to Earth's surface in the shade is heated by two main factors: indirect solar radiation and redirected solar radiation.
Indirect solar radiation refers to the process by which sunlight is absorbed by the Earth's surface and then re-emitted as heat. When the sun's rays reach the Earth, some of the energy is absorbed by buildings, pavement, and other objects. As these objects heat up, they release the absorbed energy as heat, which warms the surrounding air. This is why the air feels warm when you walk around the ASU Campus in the shade.
Redirected solar radiation also plays a role in heating the air near the Earth's surface. This occurs when sunlight is scattered or reflected by the atmosphere, clouds, or nearby objects, and then reaches the shaded areas. The redirected solar radiation contributes to the overall heating of the air, making it feel warm.
In conclusion, the air you feel next to Earth's surface in the shade is heated by indirect solar radiation, as the absorbed energy from the sun is released as heat, and redirected solar radiation, as sunlight is scattered or reflected and contributes to the warming of the air.
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what is the structural unit of a substance called
Answers
Answer: a molecule
Explanation:
The Witness Experimenter configure options include a Skip field. What does the skip value do? a. Increases the simulation run speed b. Resets the statistics for the warm up period c. Sets the length of the warm up period d. Misses out a different number of random numbers for each replication e. Changes the random number streams for each replication
Answers
The Witness Experimenter configure options include a Skip field that misses out on a different number of random numbers for each replication (Option D).
What are the Experimenter configure options?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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the total energy of a proton is twice its rest energy. find the momentum of the proton in mev/c units.
Answers
The total energy of a proton can be expressed using the relativistic energy-momentum relation:
E = γmc^2
where E is the total energy of the proton, γ is the Lorentz factor, m is the rest mass of the proton, and c is the speed of light.
In this case, we are given that the total energy of the proton is twice its rest energy. So we can write:
E = 2mc^2
Substituting this into the relativistic energy-momentum relation, we have:
2mc^2 = γmc^2
Canceling out the common term mc^2, we get:
2 = γ
The Lorentz factor γ is related to the momentum p of the proton as:
γ = 1 / √(1 - (v/c)^2) = p / (mc)
where v is the velocity of the proton.
Substituting γ = 2 and rearranging the equation, we have:
2 = p / (mc)
Solving for p, we get:
p = 2mc
The momentum p of the proton is equal to 2 times its rest mass times the speed of light.
Now we can convert the momentum into MeV/c units. The rest mass of a proton is approximately 938.27 MeV/c^2.
p = 2 * 938.27 MeV/c^2 = 1876.54 MeV/c
Therefore, the momentum of the proton in MeV/c units is approximately 1876.54 MeV/c.
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For each of the following biomes, identify a specific country in which each biome occurs in relative abundance: Taiga Desert: Tropical rainforest:
Temperate grassland:
Tropical grassland :
Coral reef :
Temperate deciduous forest :
Tundra:
Answers
Taiga: Canada and Russia are the two countries where the taiga biome occurs in relative abundance.
Desert: The Sahara Desert is located in several countries in North Africa, including Algeria, Egypt, Libya, Morocco, and Tunisia. The Arabian Desert is located in several countries in the Middle East, including Saudi Arabia, Iraq, and Jordan.
Tropical rainforest: The Amazon Rainforest is located in several South American countries, including Brazil, Peru, Colombia, and Ecuador.
Temperate grassland: The Great Plains biome, which is a type of temperate grassland, is located in the United States and Canada.
Tropical grassland: The savanna biome, which is a type of tropical grassland, is located in several African countries, including Kenya, Tanzania, and South Africa. It is also found in parts of Australia, India, and South America.
Coral reef: Australia's Great Barrier Reef is the largest coral reef system in the world and is located off the coast of Queensland.
Temperate deciduous forest: The temperate deciduous forest biome is found in several countries in the Northern Hemisphere, including the United States, Canada, China, and much of Europe.
Tundra: The tundra biome is found in several countries in the Northern Hemisphere, including Russia, Canada, Norway, and Sweden. It is also found in parts of Alaska in the United States.
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This answer provides a list of different biomes and identifies a specific country where each biome is prevalent. The list includes Taiga (Russia), Desert (Egypt), Tropical Rainforest (Brazil), Temperate Grassland (United States), Tropical Grassland (Kenya), Coral Reef (Australia), Temperate Deciduous Forest (Germany), and Tundra (Canada).
Explanation:The following biomes can be found in various parts of the world:
Taiga: This biome, characterized by coniferous forests, is abundant in Russia.Desert: Deserts can be notably found in Egypt, which is predominantly covered by the Sahara.Tropical Rainforest: Brazil is known for its large tropical rainforest, the Amazon.Temperate Grassland: The United States has considerable temperate grasslands, particularly in the Midwest region known as the Great Plains.Tropical Grassland: Kenya showcases vast tropical grasslands, often referred to as savannas.Coral Reef: Australia is famous for the Great Barrier Reef, the world's largest coral system.Temperate Deciduous Forest: Germany has a significant portion of temperate deciduous forests.Tundra: This biome, characterized by its cold, dry environment, is widespread in Canada.Learn more about Biomes here:https://brainly.com/question/35935094
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Four different balls with different masses (measured in grams) were dropped from the same height on Earth. Assuming no other forces acted on the balls, match each ball with the gravitational force (measured in newtons) it experienced as it fell.gravitational force = 9.8 m/s2
Answers
We will have the following:
1. 143 g = 0.143 kg:
\(F=(0.143kg)(9.8m/s{}^2)\Rightarrow F=1.4014N\)2. 110 g = 0.110 kg:
\(F=(0.110kg)(9.8m/s^2)\Rightarrow F=1.078N\)3. 410 g = 0.410 kg:
\(F=(0.410kg)(9.8m/s^2)\Rightarrow F=4.018N\)4. 46 g = 0.046 kg:
\(F=(0.046kg)(9.8m/s^2)\Rightarrow F=0.4508N\)From this we can see that the given weights do not correspond to any of the values of column B, since the calculations to obtain the values of column B were done using grams, instead of kg, thus those values do not correspond to the unit of force Newtons.
What is the initial magnetic flux going through a 992 loop coil, that totally fades away in 84.45 seconds and produces a - 6.44 volts
Answers
The magnetic flux cannot be negative, we can conclude that the initial magnetic flux going through the 992 loop coil was zero.
The initial magnetic flux going through a 992 loop coil can be calculated using Faraday's law of electromagnetic induction, which states that the induced electromotive force (EMF) in a closed loop is proportional to the rate of change of magnetic flux through the loop.
The EMF can be calculated using the formula:
\(EMF=-N(di/dt)\)
EMF = -N(dΦ/dt).
where N is the number of turns in the loop coil, Φ is the magnetic flux through the coil, and dt is the time interval over which the magnetic flux changes.
Given that the induced EMF is -6.44 volts and the time interval over which the magnetic flux fades away is 84.45 seconds, we can calculate the rate of change of magnetic flux as:
(dΦ/dt) = -EMF/N = -(-6.44)/992 = 0.00649 Wb/s
Therefore, the initial magnetic flux can be calculated as:
Φ = Φ0 + (dΦ/dt) x t
where Φ0 is the initial magnetic flux, and t is the time interval.
Substituting the values, we get:
Φ0 = Φ - (dΦ/dt) x t = 0 - 0.00649 x 84.45 = -0.547 Wb
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5. Aunt Jane weighs 145 pounds. What is her weight in Newtons?
Answers
Answer:
i think its 644
Explanation:
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Which statement describes gravity?
There is no defined unit of measurement for gravity.
O Gravity is the force that pulls objects toward Earth's center.
Objects that have a small mass will have no gravitational pull.
Gravitational pull between two objects decreases as the mass of one increases.
Answers
Gravity is a fundamental, universal force that pulls objects toward Earth's center. It increases with mass and decreases with distance. Measured in Newtons, it affects all objects.
Gravity is the force that pulls objects towards Earth's center. Gravitational pull increases as the mass of one object increases, while it decreases as the distance between two objects increases. These statements describe gravity.Gravity is a fundamental force of nature, which means that it is always present. It holds planets and stars in their orbits around the sun, and it keeps objects on Earth's surface.Gravity is a universal force, meaning that it affects all objects in the universe. The gravitational pull between two objects is proportional to their masses and the distance between them.There is a defined unit of measurement for gravity known as Newtons. Newtons are used to measure the force of gravity acting on an object. Objects that have a small mass still have a gravitational pull, but it is weaker than objects with a larger mass.For more questions on Gravity
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The correct question would be as
Which statement describes gravity? Select three options. There is no defined unit of measurement for gravity.
Gravity is the force that pulls objects toward Earth’s center.
Objects that have a small mass will have no gravitational pull.
Gravitational pull between two objects increases as the mass of one increases.
Gravitational pull decreases when the distance between two objects increases
What is the gravitational force between two identical 5000.0 kg asteroids whose centers of mass are separated by 100.0 m?
Answers
The gravitational force between the two identical 5000.0 kg asteroids separated by 100.0 m is approximately 0.167 N (Newtons).
To calculate the gravitational force between two identical 5000.0 kg asteroids separated by 100.0 m, you can use the universal law of gravitation. The formula is:
F = G * (m1 * m2) / r^2
where F is the gravitational force, G is the gravitational constant (6.674 x 10^-11 N(m/kg)^2), m1 and m2 are the masses of the asteroids (5000.0 kg each), and r is the distance between their centers of mass (100.0 m).
F = (6.674 x 10^-11 N(m/kg)^2) * (5000.0 kg * 5000.0 kg) / (100.0 m)^2
F = (6.674 x 10^-11) * (25000000 kg^2) / (10000 m^2)
F ≈ 0.167 N
The gravitational force between the two identical 5000.0 kg asteroids separated by 100.0 m is approximately 0.167 N (Newtons).
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You are conducting an experiment with a spring. You attach hanging masses one after the other, increasing gradually the extension of the spring. When do you know that you have reached the limit of elasticity of the spring?
Select all that apply.
A.) By adding more and more masses, the spring is completely stretched out.
B.) By removing the masses before adding a new one, the spring has not fully regained its initial length.
C.) By adding more and more masses, the spring is no longer stretching linearly.
D.) By adding more and more masses, the spring is broken in half.
Answers
You will know that the limit of elasticity of the spring has been reached by adding more and more masses, the spring is no longer stretching linearly.
According to Hooke's law, within the elastic limit of a spring, the stretching force is directly proportional to the extension.
As long as this is true, the spring will continue to stretch linearly as more masses are added.
When the elastic limit of the spring has been attained, adding more and more masses no longer leads to a linear stretching of the spring.
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Spring tides occurs at two of the time shown which two? how do u know ?
Answers
Spring tides are extremely wide ranges of tidal highs and lows that occur during full moon or new moon phases when the gravitational forces of the Sun and Moon are at their strongest.
Neap tides are characterized by lower high tides and higher low tides, while spring tides feature higher high tides and lower low tides. Because of this, a spring tide has a significantly wider range than a low tide (the difference in water level between high and low tide).Spring tides are the tides that occur right after a new or full moon when the difference between high and low water is the biggest. The earth, moon, and sun are in a straight line at this time, causing the gravitational pull to be at its strongest. There are more high tides than usual and fewer low tides than usual.To know more about spring tides
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What patterns did you notice when comparing the interactions between the tape and van de Graaff generator to the tape and charged balloon?
Answers
The negatively charged van de Graff generator can make a flow of electrons through the tape and these both will repel each other. When the tape comes in contact with the balloon, the positive charges of balloon gets attracted and they stick together.
What is van de Graff generator?Electrons are drawn from the earth by a Van de Graaff generator, transported via a belt, and then stored on the big sphere. These electrons are attracted to one another and try to distance themselves from one another by dispersing throughout the surface of the sphere.
Electrons can spread out widely on the earth, thus they will choose the shortest route possible to return to the ground. The electrons from the tape repel the electron from the tape, make the tape negatively charged.
This negatively charged tape when comes in contact with the balloon, it will polarize the balloon and its positive charges aligns with the tape's charge and gets stuck.
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What is the weight in newtons of a person who has a mass of 50 kg?
Answers
The weight of an object with a mass of 50kg is 490 N. The gravitational force of the earth on an object is referred to as its weight.
How much do I weigh in Newtons on the moon?The gravitational constant on Earth is 9.81 N/Kg (Newtons per kilogram). You would weigh less standing on the Moon because it has around one-sixth the gravity of Earth. The gravitational constant on the moon is 1.622 N/Kg.
Mass: What is it?The amount of matter in a particle or object is represented by its mass, which is denoted by the symbol m. In the International System (SI), the kilogram serves as the default unit of mass (kg).
Given:
Mass (m) = 50 Kg
To find the weight of an object, you simply multiply its mass by the gravitational force.
m = 50kg; g = 9.8
Therefore:
w = mg
= 50 x 9.8
= 490 N
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A steam turbine has an efficiency of 40.0%. A steam engine has an efficiency of
25.0%. Suppose both devices are provided with 1000 J of thermal energy. How much
more useful work will the steam turbine do? Show your work.
Answers
Answer:
150J (joules)
Explanation:
25% efficiency of 1000J = 250J
40% efficiency of 1000J= 400J
400-250=150
Select the correct answer. If the resistance remains constant and the voltage doubles, what effect will that have on the power? A. The power will remain the same. B. The power will decrease by a factor of 2. C. The power will decrease by a factor of 4. D. The power will increase by a factor of 2. E. The power will increase by a factor of 4.
Answers
If the resistance remains constant and the voltage doubles, the power will increase by a factor of 4 (option E)
How do i determine the new power?The following data were obtained from the question:
Initial power (P₁) = PInitial voltage (V₁) = VResistance = ConstantNew voltage (V₂) = 2VNew power (P₂) =?P = V² / R
Resistance is constant, we have
V₁² / P₁ = V₂² / P₂
V² / P = (2V)² / P₂
V² / P = 4V² / P₂
Cross multiply
V² × P₂ = P × 4V²
Divide both side by V²
P₂ = P × 4V² / V²
P₂ = P × 4
From the above, we can conclude that the power will increase by a factor of 4 (option E)
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Explain why astronomers divide the sun into different layers.
Answers
Answer:
cause why not.
the layers exist cause theoretically the deeper you go the hotter it gets and different atoms just do stuff
1. Two point charges, q1 and q2, of 4.00 μC each, are placed at x1=-16.0 cm and x2 = 16.0 cm away from the origin on the x-axis. A charge q3 of 1.00 μC is placed 12.0 cm away from the origin on the y-axis.
a. Find the distance from q3 to q1 and from q3 to q2.
b. Find the magnitude and the direction of the force F13 exerted by q1 on q3.
c. Find the magnitude and the direction of the force F23 exerted by q2 on q3.
d. Find the magnitude and the direction of the force F12 exerted by q1 on q2.
Answers
The distance between charge 1 and 3 is equal to 20 cm and the force between charge 1 and 3 is equal to force between charge 1 and 3 that is 0.9 Newton and the force between charge 2 and 3 is equal to 1.41 Newton.
What are charges?Electric charges are basic property of matter carried by some elementary particles that governs how the particles are affected by an electric or magnetic field. Electric charge, which can be positive or negative, occurs in discrete natural units and is neither created nor destroyed.
What is coulomb's law?Coulomb's law states that like charges repel and opposite charges attract, with a force proportional to the product of the charges and inversely proportional to the square of the distance between them.
Given:
Magnitude on charge 1 = 4 μC
Magnitude on charge 2 = 4 μC
Magnitude on charge 3 = 1 μC
Distance between charge 1 and 2 = 32 cm
Distance of charge 3 from center of charge 1 and 2 = 12 cm
Distance between charge 1 and 3 can be find using Pythagoras theorem.
Distance between charge 1 and 3 = √(256 + 144)
Distance between charge 1 and 3 = 20cm
Similarly Distance between charge 2 and 3 = 20cm
Force between charge 1 and 3 can be found using coulomb law.
Force between charge 1 and 3 = (9 × 4 × 1)/40
Force between charge 1 and 3 = 36/40
Force between charge 1 and 3 = 0.9 Newton
Similarly using symmetry, force between charge 2 and 3 = 0.9 Newton
Force between charge 1 and 2 =(9 × 4 × 4)/102
Force between charge 1 and 2 = 1.41 newton
Therefore the distance between charge 1 and 3 is equal to 20 cm and the force between charge 1 and 3 is equal to force between charge 1 and 3 that is 0.9 Newton and the force between charge 2 and 3 is equal to 1.41 Newton.
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1. Which of the following statements is false? A) During a reaction, electrons move from an electrophile to a nucleophile B) Homolytic bond cleavage yields neutral radicals in which each atom gains on
Answers
The false statement is B) Homolytic bond cleavage yields neutral radicals in which each atom gains one electron.
In homolytic bond cleavage, each atom retains one electron from the shared pair of electrons, resulting in the formation of two neutral radicals, where each atom retains its original number of electrons.
No atoms gain or lose electrons in this process.
In a homolytic bond cleavage, a covalent bond is broken, and the shared pair of electrons is split equally between the two atoms involved in the bond.
This results in the formation of two neutral radicals, with each atom retaining one of the electrons from the shared pair.
A radical is a chemical species characterized by the presence of an electron that is unpaired, meaning it does not have a partner electron with which it forms a complete pair. When a covalent bond is homolytically cleaved, each atom involved in the bond gains one electron, resulting in the formation of two radicals.
These radicals are highly reactive due to the presence of the unpaired electron, which makes them prone to participate in further chemical reactions.
It's important to note that in homolytic bond cleavage, there is no transfer of electrons from one atom to another.
Instead, the bond is broken in a way that allows each atom to retain one of the electrons, leading to the formation of two neutral radicals.
Therefore, statement B, which suggests that each atom gains one electron, is false.
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Q: Riri wants to bake a cake. She adds flour, sugar, egg, baking soda, and yeast into a bowl and mixed them together. After all the ingredients are mixed, she leaves the dough for 30 minutes and the dough starts to rise. Which changes Occurred in this process? Explain your reason.
Answers
Answer:
I don't know what you mean about which changes occurred in this process but if its why the dough starts rising then its caused by the carbon dioxide in baking soda and yeast which is a fungus
Answer:
When baking,flour is mixed with water,the other ingredients and yeast to form a paste called a dough.what happens is that the zymase enzyme from the yeast acts on the sugars to form carbon dioxide and alcohol.the carbon dioxide begins to form bubbles in the dough causing it to rise..
I hope this helps
Is this right? Please help me ITS SOCIOLOGY
Answers
Camille knows that range of motion is very important. She is designing a weekly exercise program and is not sure where flexibility fits in. What
type of exercise will BEST allow her to work on range of motion?
O A.
aerobic
B. balance
C. flexibility
D. strength training
Answers
The best activity for her to do to improve her range of motion is flexibility.
What are a few range of motion illustrations?The term the range of motion (ROM) describes the extent to which a joint or muscle may be moved or stretched. Everybody has a distinct experience. For instance, whereas some people can perform a complete split, others cannot because their joints are stiff and their muscles are unable to extend as far.
What restricts motion range?A joint is said to have a restricted range of motion when it cannot move easily and completely in its typical position. A mechanical issue within the joint, swollen tissues around the joint, or pain may restrict motion.
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PLEASE ANYONE CAN HELP ME !E.x/A block of metal has a volume of 0.09 m3
Calculate the buoyant force when it's Completely
immersed in brine ? density = 1200 kg/m3
Answers
Answer:
B = 1058.4 N
Explanation:
Given that,
The volume of a metal block, V = 0.09 m³
The density of fluid, d = 1200 kg/m³
We need to find the buoyant force when it's Completely immersed in brine. The formula for the buoyant force is given by :
\(B=\rho gV\)
g is acceleration due to gravity
\(B=1200\times 9.8\times 0.09\\\\B=1058.4\ N\)
So, the required buoyant force is 1058.4 N.
what will the wire's resistance be if you stretch it to twice its initial length?
Answers
When a wire is stretched to twice its initial length, its resistance increases by a factor of 4.
The resistance of a wire is directly proportional to its length, and inversely proportional to its cross-sectional area. When a wire is stretched to twice its initial length, its cross-sectional area is reduced to one-fourth of its original value. Therefore, the resistance of the wire increases by a factor of 4 (i.e., 2²). This can be seen from the equation R = (ρL)/A, where R is resistance, ρ is resistivity, L is length, and A is cross-sectional area. When the length of the wire is doubled, the resistance becomes twice its original value. However, the reduction in the cross-sectional area also contributes to an increase in resistance, making it four times the original value.
In conclusion, when a wire is stretched to twice its initial length, its resistance increases by a factor of 4 due to the reduction in its cross-sectional area.
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which tissue provides medical strength plant
Answers
what's the answer to say
the waves of a tsunami are traveling at 6mi/min . it takes a wave 1 hour to complete one period. what is the length between wave peaks?
Answers
Answer:
360 miles.
Explanation:
Wave speed = 6 miles/minute
Time period = 60 minutes
Wave speed = Wavelength/Time period
6 miles/minute = Wavelength / 60 minutes
6 miles x 60 minutes = Wavelength x 1 minute
360 miles = Wavelength
Therefore, the length between wave peaks (wavelength) of the tsunami waves in this scenario is 360 miles.
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When summer changes to fall, what seasonal changes do plants experience? (IGNORE HIGHLIGHTED ANSWER)
Answers
Answer:
C
Explanation:
There is a decrease in temperature and daylight and plants produce less food.
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