What does the upside down U mean in math?
Intersect
The circles A and B represent sets. “Intersect” is represented by an upside down U. The intersection is where the circles overlap. “Union” is represented by a right-side up U.
What is Venn diagram in math with example?
A Venn diagram is a visual representation of similarities and differences between two or more concepts. It depicts relationships between two or more sets of data by using circles as an illustration. Each circle represents one particular set of data.
What is Venn diagram with example?
A Venn diagram is an illustration that uses circles to show the relationships among things or finite groups of things. Circles that overlap have a commonality while circles that do not overlap do not share those traits. Venn diagrams help to visually represent the similarities and differences between two concepts.
What is the U in Venn diagrams?
The union symbol ∪ Venn diagrams consist of a series of overlapping circles, each circle representing a category. To represent the union of two sets, we use the ∪ symbol — not to be confused with the letter ‘u. ‘
What are the first several lectures on special relativity about?
Careful Descriptions • The first several lectures on Special Relativity will be focused on just defining some terms so that we can understand their meaning and the consequences of the Principle of Relativity. • First: The Principle of Relativity is a postulate (assumption).
What are some good examples of relativistic visual effects?
Spacetime travel A variety of visualizations of relativistic effects, from relativistic motion to black holes. Through Einstein’s Eyes The Australian National University. Relativistic visual effects explained with movies and images. Warp Special Relativity Simulator A computer program to show the effects of traveling close to the speed of light.
What is special relativity in simple words?
Basically, special relativity can be stated as the invariance of any spacetime interval (that is the 4D distance between any two events) when viewed from any inertial reference frame. All equations and effects of special relativity can be derived from this rotational symmetry (the Poincaré group) of Minkowski spacetime.
What are the two basic postulates of special relativity?
SPECIAL RELATIVITY (Einstein 1905) Based on two postulates: The RELATIVITY PRINCIPLE: the laws of physics are the same in all inertial frames. The CONSTANCY OF THE SPEED OF LIGHT: the speed of light, c=299,792 km/s, is the same for all inertial observers, independent of their velocity of motion relative to the source of light.