Calculus 3 Lecture 11.2: Vectors in 3-D Coordinate System

2024/05/0319:37:04 science 372671

Calculus 3 Lecture 11.2: Vectors in 3-D Coordinate System - DayDayNews

Calculus 3 Lecture 11.2: Vectors in 3-D Coordinate System - DayDayNews

1:10:51

* All content videos are shared, reposted and embedded from YouTube. If there is any violation or error, please contact us to delete it.

science

Scientists from South Ural State University managed to create 34 new platinum compounds, confirming their antibacterial activity. These compounds may be used in medicines in the future. The findings were published in the journal Coordination Chemistry. Platinum compounds are cata - DayDayNews

Scientists from South Ural State University managed to create 34 new platinum compounds, confirming their antibacterial activity. These compounds may be used in medicines in the future. The findings were published in the journal Coordination Chemistry. Platinum compounds are cata

Scientists synthesize new antibacterial platinum compound

05/16 1563

Millions of years ago, a group of apes gathered together on the African continent. They were no longer frequent visitors in the trees, but instead galloped on the grasslands. Like most predators, they began to pursue prey. Of course, human civilization at that time It has not yet - DayDayNews

Millions of years ago, a group of apes gathered together on the African continent. They were no longer frequent visitors in the trees, but instead galloped on the grasslands. Like most predators, they began to pursue prey. Of course, human civilization at that time It has not yet

Russian fishermen accidentally salvaged a "chip" from 250 million years ago. Is the earth's civilization recycling?

05/15 1400

Since ancient times, people have been pursuing the secret recipe for longevity and eternal youth. It is said that only the characters in TV series and film and television dramas can portray it. It does not exist in reality. However, with the unremitting efforts of scientists, it - DayDayNews

Since ancient times, people have been pursuing the secret recipe for longevity and eternal youth. It is said that only the characters in TV series and film and television dramas can portray it. It does not exist in reality. However, with the unremitting efforts of scientists, it

Scientists have discovered that human cells can make human cells 30 years younger. Can people really rejuvenate themselves? How to do

05/16 1288

When a meteorite falls into the earth, it will rub against the earth's atmosphere and burn. If the meteorite is large enough, we will be able to see a flying fireball. In this case, if we throw a raw egg down while flying on an airplane, will it turn into a mature egg when it lan - DayDayNews

When a meteorite falls into the earth, it will rub against the earth's atmosphere and burn. If the meteorite is large enough, we will be able to see a flying fireball. In this case, if we throw a raw egg down while flying on an airplane, will it turn into a mature egg when it lan

If you drop an egg from an airplane, will it be cooked when it hits the ground? I can't eat it anyway

05/16 1552

The earth's temperature is rising, extreme weather conditions are increasing, green vegetation is decreasing, the ecology has been damaged, and wild animals are facing the risk of extinction. - DayDayNews

The earth's temperature is rising, extreme weather conditions are increasing, green vegetation is decreasing, the ecology has been damaged, and wild animals are facing the risk of extinction.

We are familiar with “environmental protection”, but what is its specific connotation? What should we do about it?

05/16 1713

Health trackers worn on the wrist may detect coronavirus infections days before symptoms appear. The British Guardian reports that more and more people around the world are using these devices to monitor skin temperature. , changes in heart and respiratory rates. A new study show - DayDayNews

Health trackers worn on the wrist may detect coronavirus infections days before symptoms appear. The British Guardian reports that more and more people around the world are using these devices to monitor skin temperature. , changes in heart and respiratory rates. A new study show

Can the "Scientific Power" health bracelet detect the new coronavirus? Is this reliable?

05/16 1718

1. Morphological characteristics: The body wings of Star Beetle are black, with multiple white spots on each elytra. Its body length is 50mm and its head width is 20mm. The body color is bright black; there is a white spot on the left and right sides of the front and back of the - DayDayNews

1. Morphological characteristics: The body wings of Star Beetle are black, with multiple white spots on each elytra. Its body length is 50mm and its head width is 20mm. The body color is bright black; there is a white spot on the left and right sides of the front and back of the

Feiben Classroom - Star Beetle

05/16 1952

During the Cold War period after World War II, mankind began a race to develop nuclear weapons, and the United States and the Soviet Union gained the power to destroy the earth. So what would happen if a nuclear bomb was detonated in the Marianas Trench? . The deepest place on Ea - DayDayNews

During the Cold War period after World War II, mankind began a race to develop nuclear weapons, and the United States and the Soviet Union gained the power to destroy the earth. So what would happen if a nuclear bomb was detonated in the Marianas Trench? . The deepest place on Ea

What would happen if a nuclear bomb was detonated at the deepest point on earth?

05/15 1828

The imagination of the masses is the art of creation, and it is also the shackles of self-improvement. In 1981, Hilary Putnam put forward a conjecture in "Reason, Truth, and History": A person's brain was cut off from the body and put into In a tank containing a nutrient solution - DayDayNews

The imagination of the masses is the art of creation, and it is also the shackles of self-improvement. In 1981, Hilary Putnam put forward a conjecture in "Reason, Truth, and History": A person's brain was cut off from the body and put into In a tank containing a nutrient solution

Metaverse - "the ultimate dream" or "just a fantasy"?

05/16 1970

The topic of genetic engineering, just like AI technology, has always been a mysterious territory in our hearts. But they seem to be closely related to our lives and even affect the development of human progress. - DayDayNews

The topic of genetic engineering, just like AI technology, has always been a mysterious territory in our hearts. But they seem to be closely related to our lives and even affect the development of human progress.

Maybe there is a code for love hidden in human genes itself

05/15 1706

Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in - DayDayNews

Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in

What exists in the vast space between the nucleus and the electrons? Is it an absolute vacuum?

05/18 1428

I once read "Insects" when I was young, and I was full of yearning for the insect world described by Fabre. I often turned over stones or inspected leaves to look for the small insects hiding in the depths. As I get older, I gradually develop an inexplicable fear of insects in na - DayDayNews

I once read "Insects" when I was young, and I was full of yearning for the insect world described by Fabre. I often turned over stones or inspected leaves to look for the small insects hiding in the depths. As I get older, I gradually develop an inexplicable fear of insects in na

An insect pocket book that brings you closer to nature

05/18 1720

We often say that China has five thousand years, which naturally adds up to ten thousand years. Ten thousand years ago is a very interesting node, because it is the time period when humans turned from hunting life to farming. Farming represents villages, and the combination of vi - DayDayNews

We often say that China has five thousand years, which naturally adds up to ten thousand years. Ten thousand years ago is a very interesting node, because it is the time period when humans turned from hunting life to farming. Farming represents villages, and the combination of vi

Could it be said that humans more than 12,000 years ago really existed?

05/18 1065

@真知新ordinate Popular science and cold knowledge 1. Lamprey Lamprey has lived on the earth for hundreds of millions of years, and it has always maintained its appearance in ancient times, so it is also called a "living fossil." Later this creature was assigned to the superclass Ag - DayDayNews

@真知新ordinate Popular science and cold knowledge 1. Lamprey Lamprey has lived on the earth for hundreds of millions of years, and it has always maintained its appearance in ancient times, so it is also called a "living fossil." Later this creature was assigned to the superclass Ag

Seven exotic species, one relies on breeding and one is prohibitive

05/18 1704

When you see a cockroach, do you still kick it and send it to its death? As everyone knows, if you do this, not only will the number of cockroaches in your home not decrease, but they will increase in number. So, why does this happen? The more cockroaches you fight, the more cock - DayDayNews

When you see a cockroach, do you still kick it and send it to its death? As everyone knows, if you do this, not only will the number of cockroaches in your home not decrease, but they will increase in number. So, why does this happen? The more cockroaches you fight, the more cock

Don’t step on cockroaches in your home! How to control cockroaches that are still alive even though their heads are severed?

05/18 1074

The editor has recently become obsessed with ferns. Their leaves generally have a mathematical beauty like the golden ratio. There are many types, and most of them are beautiful. They can be seen in forests, riversides, and in the courtyards of ancient houses. Fern and nautilus a - DayDayNews

The editor has recently become obsessed with ferns. Their leaves generally have a mathematical beauty like the golden ratio. There are many types, and most of them are beautiful. They can be seen in forests, riversides, and in the courtyards of ancient houses. Fern and nautilus a

Fragrant garden | "Pteridophylla fern", the "living fossil" of the plant world

05/18 1059

Experts believe that mammoths unearthed from the Klondike gold mine in Canada's Yukon Territory have been preserved in the frozen soil for more than 30,000 years. - DayDayNews

Experts believe that mammoths unearthed from the Klondike gold mine in Canada's Yukon Territory have been preserved in the frozen soil for more than 30,000 years.

Searching for gold, miners discover a frozen baby mammoth

05/18 1254

Beluga whales are smart, cute-looking, graceful in appearance, docile, and have ventriloquism skills that other animals cannot match! The editor of Xunyu Ji will let you know~ Belugas are excellent "ventriloquists" among whales and can make hundreds of sounds, including the howls - DayDayNews

Beluga whales are smart, cute-looking, graceful in appearance, docile, and have ventriloquism skills that other animals cannot match! The editor of Xunyu Ji will let you know~ Belugas are excellent "ventriloquists" among whales and can make hundreds of sounds, including the howls

Fishing Notes | Little things you don’t know about beluga whales

05/18 1478

On this day, 169 years ago, on July 3, 1844 (the eighteenth day of the fifth lunar month), the great auk became extinct. The great auk, also known as the great petrel, is sometimes called the great arctic penguin because its appearance is similar to that of a penguin. It is a fli - DayDayNews

On this day, 169 years ago, on July 3, 1844 (the eighteenth day of the fifth lunar month), the great auk became extinct. The great auk, also known as the great petrel, is sometimes called the great arctic penguin because its appearance is similar to that of a penguin. It is a fli

Today in History—(The Great Petrel Extinction)

05/18 1167

Fu Hao of the Chinese Men's Basketball Team is still unable to play today, and Sun Minghui is also unable to play due to an injury to his palm. Zhu Junlong and Lu Wenbo continued to get opportunities to play. Chinese team's starting lineup: Guo Ailun, Zhao Rui, Hu Mingxuan, Gu Qu - DayDayNews

Fu Hao of the Chinese Men's Basketball Team is still unable to play today, and Sun Minghui is also unable to play due to an injury to his palm. Zhu Junlong and Lu Wenbo continued to get opportunities to play. Chinese team's starting lineup: Guo Ailun, Zhao Rui, Hu Mingxuan, Gu Qu

Du Feng adjusted his starting lineup with great results, Wang Zhelin and Zhao Rui broke out, and Zhao Jiwei was abandoned.

05/18 1784

On July 3, Beijing time, the authoritative British media "The Times" revealed heavy news: Manchester United star Cristiano Ronaldo has informed the club that it is time for him to leave the team. - DayDayNews

On July 3, Beijing time, the authoritative British media "The Times" revealed heavy news: Manchester United star Cristiano Ronaldo has informed the club that it is time for him to leave the team.

"Where's Cristiano Ronaldo?" has a sequel. Bayern and Roma are potential suitors.

05/18 1420

On July 3, Beijing time, former women's volleyball national player Wang Chenyue posted a set of photos on social media of traveling with teammates Zhang Changning and Jiang Qianwen, which aroused strong attention from netizens. - DayDayNews

On July 3, Beijing time, former women's volleyball national player Wang Chenyue posted a set of photos on social media of traveling with teammates Zhang Changning and Jiang Qianwen, which aroused strong attention from netizens.

Eye-catching! Women's volleyball team Zhang Changning shows off her long legs and fair skin while traveling with her beautiful teammates

05/18 1800