(2 ) (= ) .
?
:
1. . 20 . ?
2. . 1 . 4\1 . ?
?
1. 0 X0=0
:
X=x0 +v0t + (at^2)/2
:
V=v0 +at
( / )
A G= 10 M/s ( ) ( ) A=-10 M/s
V0=20 M/s
V=0
0=20-10t
T=2 S
X=0 +20*2-10*4/2
X=20 M
20 ( )
2. ..
? 0.75 K/s
G=0.01 Km/s
:
V -M
mv^2/2
1/4 .
3mv^2/8 . H mgh, , ,
mgh = 3mv^2/8
.
.
' ' -12/05/11 -05/07/12.
Medieval Ages
Journey to The Past, - Agaisnt the Jammuza
, , Martin's Story.
.
: ( , )
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1 . (0 -1 )