Casio fx-180P Manual De Operación página 22

lParabolic movement
ExJ
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: I: =- Vot sine - % gt'
Height of ball at T seconds after thrown {ml
Initial velocity lm/sec.)
Time lsec.)
Throwing angle to level surface
Gravitational acceleration (9.8 m/sec.'l
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lecle of a conical pendulum
Ex.)
How many seconds is the cycle of a conical pendulum with a cord length of 30 cm and
maximum swing angle of 90 ?
1 mos ~92-
Formula: 1' a 27,.
T : Cycle (sec.l
( : Cord length (ml
6 : Maximum cord swing angle
9 : Gravitational acceleration (9.8 m/sec.'l
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lTriangle
Ex.)
Calculate the interior angle (0) and area (Si of the triangle when the lengths of three
sides (a. b and c) are given.
a:18m, bz21m, c:12m
a: +b: _ca
20b
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Formula: case =
-21..