What does E = mc2 stand for?
According to Albert Einstein’s law on the equivalence of mass and energy, the energy (E) of a quantity of matter is equal to the product of the quantity’s mass (m) and the square of the velocity of light (c).
The three tallest buildings in the United States in the 1980s were: Sears Tower. 1,454 feet, 110 stories (Chicago) World Trade Center. 1,350 feet, 110 stories (New York) Empire State Building. 1,250 feet, 102 stories (New York)
According to 1980 figures, the average worker’s one-way trip covered 9.2 miles and took 20.4 minutes. By far the favorite mode of transportation for workers was the private vehicle (car, motorcycle, or truck), accounting for 84.3 percent. Those who took public transportation comprised 6.3 percent, and 5.5 percent walked. The remainder used other means or…
The term plasma to a physician means the fluid part of blood, lymph, or milk as distinct from suspended matter. The term plasma to a physicist means a collection of negatively charged electrons and positively charged ions, existing in about equal numbers in a neutral state; plasma is considered a fourth state of matter, distinct…
Avoirdupois weight is the system we use whenever we measure a grain, dram (27.3 grains), ounce (16 drams), or pound (16 ounces).
Assuming that the heart beats at least once a second, by the time a person is 70, his or her heart will have beat at least 2.8 billion times.
A knockout punch causes a chain reaction in the victim’s circulatory system. The supply of blood pools in the abdomen, reducing circulation to the brain, and resulting in loss of consciousness.