Length in Meters (m) Masses in Kilograms (kg) Time in Seconds (s) 10-15 m = diameter of proton 10-30 kg = mass of electron 10-22 s = mean lifetime of very unstable nucleus 10-14 m = diameter of large nucleus 10-27 kg = mass of proton 10-17 s = time for single floating-point operation in a supercomputer 10-10 m - diameter of hydrogen atom 10-15 kg = mass of bacterium 10-15 s = time for one oscillation of visible light 10-7 m = diameter of typical virus 10-5 kg = mass of mosquito 10-13 s - time for one vibration of an atom in a solid 10-2 m = pinky fingernail width 10-2 kg = mass of hummingbird 10-3 s = duration of a nerve impulse 109 m = height of 10% kg = mass of 10 s = time fo 4 year old child liter of water one heartbeat 102 m - length of football field 102 kg - mass of person 105 s = one day 10% s - one year 107 m - diameter of Earth 1019 kg = mass of atmosphere 1013 m = diameter of solar system 10%2 kg = mass of Moon 109 s = human lifetime 1016 m = distance light travels 1025 kg = mass of Earth 10ll s = recorded human history in a year (one light-year) 1030 kg = mass of Sun 1017 s = age of Earth 1021 m = Milky Way diameter 1020 m - distance to edge of 1053 kg = upper limit on mass of 1018 s = age of the universe observable universe known universe MY SCF Home: State College c X | PHY2048C:General Physics / v x % Chapter 1 Homework - PHY 20 x * Course Hero