Which one of the following is responsible for the "one-way" nature of time, i.e., for the distinction between past and future?
A) the law of inertia
B) the law of conservation of energy
C) the second law of thermodynamics
D) the gravitational force
E) the electromagnetic force
C
You might also like to view...
If an object's acceleration is positive, its speed must be increasing
a. True b. False Indicate whether the statement is true or false
The binding energy of the hydrogen atom in its ground state is -13.6 eV. What is the energy when it is in the n = 5 state?
A) 2.72 eV B) -2.72 eV C) 0.544 eV D) -0.544 eV E) None of the given answers are correct.
How do astronomers create three-dimensional maps of the universe?
A) through comparison of computer models of the structure formation with observations B) by measuring the sky positions and redshifts of many galaxies C) by measuring the sky positions and apparent brightnesses of many galaxies D) by measuring the colors and luminosities of many galaxies E) by carefully measuring the parallax of many galaxies
An airplane is flying with constant speed along a horizontal circle. Is the direction of its acceleration constant?
What will be an ideal response?