average velocity (Vx/Vu) - =
Vx arg
,
=
xdisplacement/t
displacement (17 -
&t = t+ -
t, =
elapsed time
velocity ( /t
+ -
Vyaug ydisplacement/ It
=
distance travelled/at
average speed-speedargy YX
+
speed augx distance travelled/at =
·
distance travelled ALWAYS positive
speed ALWAYS positive left
↓
&sec
& sec
T right
x
=0 x Gom
X -
Xo
Varg =
axdisp/at =
nOm-Om/1s =
"Om/s
return trip =
Vaug =
axdisplat =
0-40m/1s = -
kOm/s
(
I positive to the
right ovemovesown
-
X negative -
to the left
Isec
I Sec
4
x =
40m
Vy aug
, =**
speed xaug 120m/25 60m/s
= =