Danh sách bài viết của Lê Thị Khánh Huyền

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Bài viết của Lê Thị Khánh Huyền

Substructure of the Nucleus

What is inside the nucleus? Why are some nuclei stable while others decay? (See [link].) Why are there different types of decay (α size 12{α} {}, β size 12{β} {} and γ size 12{γ} {})? Why are nuclear decay energies so ...

Tác giả: Lê Thị Khánh Huyền viết 15:12 ngày 25/05/2018 chỉnh sửa

Friction

is a force that is around us all the time that opposes relative motion between systems in contact but also allows us to move (which you have discovered if you have ever tried to walk on ice). While a common force, the behavior of friction is actually ...

Tác giả: Lê Thị Khánh Huyền viết 15:11 ngày 25/05/2018 chỉnh sửa

Problem-Solving Basics for One-Dimensional Kinematics

Problem-solving skills are essential to your success in Physics. (credit: scui3asteveo, Flickr) Problem-solving skills are obviously essential to success in a quantitative course in physics. More importantly, the ability to apply ...

Tác giả: Lê Thị Khánh Huyền viết 15:11 ngày 25/05/2018 chỉnh sửa

Introduction to Geometric Optics

Light from this page or screen is formed into an image by the lens of your eye, much as the lens of the camera that made this photograph. Mirrors, like lenses, can also form images that in turn are captured by your eye. ...

Tác giả: Lê Thị Khánh Huyền viết 15:11 ngày 25/05/2018 chỉnh sửa

Further Applications of Newton’s Laws of Motion

There are many interesting applications of Newton’s laws of motion, a few more of which are presented in this section. These serve also to illustrate some further subtleties of physics and to help build problem-solving skills. Drag ...

Tác giả: Lê Thị Khánh Huyền viết 15:11 ngày 25/05/2018 chỉnh sửa

Prokaryotic Gene Regulation

The DNA of prokaryotes is organized into a circular chromosome supercoiled in the nucleoid region of the cell cytoplasm. Proteins that are needed for a specific function, or that are involved in the same biochemical pathway, are encoded together in blocks ...

Tác giả: Lê Thị Khánh Huyền viết 15:11 ngày 25/05/2018 chỉnh sửa

Uniform Circular Motion and Simple Harmonic Motion

The horses on this merry-go-round exhibit uniform circular motion. (credit: Wonderlane, Flickr) There is an easy way to produce simple harmonic motion by using uniform circular motion. [link] shows one way ...

Tác giả: Lê Thị Khánh Huyền viết 15:10 ngày 25/05/2018 chỉnh sửa

DC Circuits Containing Resistors and Capacitors

When you use a flash camera, it takes a few seconds to charge the capacitor that powers the flash. The light flash discharges the capacitor in a tiny fraction of a second. Why does charging take longer than discharging? This question and a number of other ...

Tác giả: Lê Thị Khánh Huyền viết 15:10 ngày 25/05/2018 chỉnh sửa

Cardiac Cycle

The period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle ([link]). The period of contraction that the heart undergoes while it pumps blood into circulation is called systole . The period ...

Tác giả: Lê Thị Khánh Huyền viết 15:10 ngày 25/05/2018 chỉnh sửa

Aquatic and Marine Biomes

Like terrestrial biomes, aquatic biomes are influenced by abiotic factors. In the case of aquatic biomes the abiotic factors include light, temperature, flow regime, and dissolved solids. The aquatic medium—water— has different physical and chemical properties ...

Tác giả: Lê Thị Khánh Huyền viết 15:09 ngày 25/05/2018 chỉnh sửa

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Substructure of the Nucleus

Friction

Problem-Solving Basics for One-Dimensional Kinematics

Introduction to Geometric Optics

Further Applications of Newton’s Laws of Motion

Prokaryotic Gene Regulation

Uniform Circular Motion and Simple Harmonic Motion

DC Circuits Containing Resistors and Capacitors

Cardiac Cycle

Aquatic and Marine Biomes

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