Which is an idea that einstein introduced in his theories of relativity?
(a)space is made up of three dimensions
(b)space and time are separate and distinct entities
(c)space-time bends due to the masses in the universe
(d)gravity is caused by a force of attraction between two masses

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element

Which of the following is not a physical property of mattera. melting pointb. heat of combustionc. viscosityd. boiling point