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IGCSE Physics

Hyeji Jun

1.1 LENGTH ANDTIME

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LENGTH6/25/16 http://ap-physics.david-s.org 2

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Defnition: Represents the size of anobject from one side to the other.

UNITs(etric!:

meter

millimeter centimeter

kilmeter

!ecimeter

N"nmeter

UNITs(standard!:

mile

y"r! inch

#t

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TI$%

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Defnition:A measureable periodwhen something occurs.

UNITs: secn!

millisecn!

n"nsecn!

minute

hur

!"y

mnth

$e"r

Century

li%ht ye"r

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&i'li%r"(hy

htt()**+++.num'ernut.cm*(re"l%e'r"*units,len%th.(h( htt()**+++.ssm"th.cm*"l%e'r"*unitcn-*unit*im%1.%i#

htt()**science.(su.e!u*"lert*im"%es*Tiny&r+nD+"r#System/02.%i#

htt()**s3."m"4n"+s.cm*me!i".+'ur.r%*+r!(ress*1*#iles*13*5*52/time,(cket,+"tch.j(%

htt()**+++.histry.cm*s3st"tic*-i!e,thum'n"ils*AETN,

Histry/6MS*1*115*Histry/&uil!ers/#/The/Gre"t/7"ll/891/reS:/HD/still/;8