Chapter 1: Measurement notes
Chapter 1: Measurement notes Phy2048
Popular in General Physics I
Popular in Foreign Language
This 0 page Class Notes was uploaded by Sabrina Notetaker on Friday January 8, 2016. The Class Notes belongs to Phy2048 at University of Florida taught by Staff in Summer 2015. Since its upload, it has received 36 views. For similar materials see General Physics I in Foreign Language at University of Florida.
Reviews for Chapter 1: Measurement notes
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 01/08/16
PHY2048 Chap 1 mime H Measurements Measurement the comparison of a quantity with a standard Unit the name of the standard International System of Units SI 0 Base units m kg 5 Derived units ms 1N 1 kgmsquot2 Pre xes milli m micro u nano n pico p femto f Kilo k Mega M Giga G Tera T Examples Mass 1kg 103g 106mg 109ug Distance 1m 102cm 103mm 106um 103km Time ls 103 ms 106 us 109 ns1012 ps Mass kilogram The standard universal reproducible accessible 1799 10x10x10 cm3 of water 1899 platinumiridium cylinder dh39 mm Distance meter 1791 110000000 of the distance from the equator to the North Pole along the meridian 1889 1 m platinumiridium bar 1983 The meter is the length of the path traveled by light in vacuum during a time interval of 1 299 792 458 of a second The speed of light in vacuum c299 792 458 ms Time second Historically 1 Earth day 1 h 124 Day 1 min 160 h 1 s 160 min The Earth rotation period is not constant it varies by a few milliseconds ms 1967 Atomic cocks PHY2048 Chap 1 The second is the duration of 9 192 631 770 periods of the radiation emitted by caesium133 atom Converting Units Always use the same units when solving problems Chainlink rule example 0 The closest star to the sun Proxima Centauri is 42 light years away Express the distance d to the star in meters if 1 y5879x10quot12 mi and 1 mi1609 m d 42 light years x 5879 x10quot12 mi 1 light year x 1609 m 1 mi 397 x10quot16 m
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'