Сформулируйте вопросы на английском языке и дайте ответы на них. Что такое материя? Какие механические явления можно наблюдать в природе?
What is matter? What mechanical phenomena can be observed in nature? Objects that take up space and have mass are called matter. Everything around you is made up of matter.
Matter commonly exists in four states (or phases): solid, liquid and gas, and plasma. However, advances in experimental techniques have revealed other previously theoretical phases, such as Bose–Einstein condensates and fermionic condensates. A focus on an elementary-particle view of matter also leads to new phases of matter, such as the quark–gluon plasma.[5] For much of the history of the natural sciences people have contemplated the exact nature of matter. The idea that matter was built of discrete building blocks, the so-called particulate theory of matter, was first put forward by the Greek philosophers Leucippus (~490 BC) and Democritus (~470–380 BC).
Mechanical phenomena in nature.
Mechanical: moving of animals, flying of the birds, ect.
Thermal: conversion of water to ice, conversion of water to wapour…
Electric: lightning
Sound: thunder, rustle of leaves
Light: sunshine, shining of the stars, ect.
Сформулируйте вопросы на английском языке и дайте ответы на них. Какие отношения величин в механике вы знаете? Опишите их физический смысл. Что такое ось абсцисс, ординат, аппликат?
What kind of relationship variables in mechanics do you know? Describe their physical meaning. What is the abscissa, ordinate, applicate?
In
mathematics, abscissa (plural abscissae or abscissæ or abscissas)
most often refers to the horizontal coordinate of a point in a
two-dimensional rectangular Cartesian coordinate system. The term can
also refer to the horizontal axis (typically x-axis) of a
two-dimensional graph (because that axis is used to define and
measure the horizontal coordinates of points in the space). An
ordered pair consists of two terms—the abscissa (horizontal,
usually x) and the ordinate (vertical, usually y)—which define the
location of a point in two-dimensional rectangular space.
In mathematics, ordinate most often refers to that element of an ordered pair which is plotted on the vertical axis of a two-dimensional Cartesian coordinate system, as opposed to the abscissa. The term can also refer to the vertical axis (typically y-axis) of a two-dimensional graph (because that axis is used to define and measure the vertical coordinates of points in the space). An ordered pair consists of two terms—the abscissa (horizontal, usually x) and the ordinate (vertical, usually y)—which define the location of a point in two-dimensional rectangular space.
Quantity (common name/s) |
(Common) symbol/s |
Defining equation |
SI units |
Dimension |
Velocity |
V |
|
m s−1 |
[L][T]−1 |
Acceleration |
A |
|
m s−2 |
[L][T]−2 |
Jerk |
J |
|
m s−3 |
[L][T]−3 |
Angular velocity |
ω |
|
rad s−1 |
[T]−1 |
Angular Acceleration |
α |
|
rad s−2 |
[T]−2 |
