Casio fx-180P - Page 11

=Parabolic movement
Ex:}
Obtain
the
height
of
a
ball
3
seconds
after
throwing
it
at
a
50°
angle
and
at
an
initial
velocity
of
30
m/sec.
(not
calculating
air
resistance).
Formula: A = Vat sing — + gt”
Height of ball at T seconds after thrown {m)
Initial velocity (m/sec.)
Time {sec.)
Throwing angle to level surface
Gravitational
acceleration
(9.8
m/sec.?)
Vo
{’
aere>
°
OPERATION REAO-OUT
“DEG”
(9
@))
3003085086
182090
883mMB
|
2484399988
{m)
=Cycle of a conical pendulum
Ex.)
How
many
seconds
is
the
cycle
of
a
conica!
pendulum
with
a
cord
length
of
30
cm
and
maximum
swing
angle
of
90°?
: a
LL
LALLLL
L
f
feos:
os
ss
Formula:
T
=
2n+
f
--—-.
-2
9
0
4
T; Cycle (sec,}
£ > Cord length (m)
_@ > Maximum cord swing angle
9: Gravitational acceleration (9.8 m/sec.?)
; OPERATION _READ-OUT
“DEG” °
(@S)
2B@
BOO38
908208890
8emMe
{0924421332
{sec.}
™Triangle
Ex.)
Calculate
the
interior
angle
{@}
and
area
(S$)
of
the
triangle
when
the
tengths
of
three
sides
(2,
5 and
¢)
are
given,
a:18m, b: 21m, ¢: 12m
q? +b? ~ ¢?
2ab
Pe Besa
~5 S = yabesing
Formula: cos@ =
-21-
“DEG'
OPERATION READ-OUT
(MO) SHOMMA21MeEmMrai2eHEs
SRMOBMERmma20amemMe [ 34546519. |10)
i EE? | 107.7888561 {m?}
iY
Sales amount
=Pro-rating
Division .
$ 84
153
348153013808
“ Time calculations
|
qjbr.
hr.
+) ihr,
~~ alhr,
27 min, 58 sec,
35 min, 16 sec,
41 min. 12 sec,
ar. 44min, 26 sec,
Average:
I
1 he, 34 min, 48.67 sec,
READ-OUT
OPERATION
1008 B84 B mika
1534
OPERATION
READ-OUT
12705809
12356 1608
1aa16 28888
as8eS
-~22-