HP -22S Owner's Manual page 128

34
1
INPUT !
A?value
Stores V, prompts for
A.
43
1
INPUT !
G?value
Stores A, prompts for
G.
32.2
1
INPUT !
T= 1.63137
Stores G, calculates T.
Now, you can use equation #1 to calculate the horizontal
displacement:
.1
EQUATIONS
!.m
1
EVAL!
1
INPUT!
1
INPUT!
1
INPUT!
X=VxTxCOS(A)
V?34.eeee
T? 1.63137
A?43.eeee
X=4e.5488
Switches to equation
#1.
Retains previous values
for V, T, and A; solves
for X.
Part 2:
What is the highest altitude the shot-put reaches? (The maxi-
mum altitude occurs in exactly half the time it takes the shot-put to
fly from
(O,h)
to
(xl,h» .
• 1
EQUATIONS
I
[!] Y=H+VxTxSIN(
Displays equation #2.
@]
1 ISTO! T
Enters guesses for T,
5.1
SOLVE
I
{T}
Y?e.eeee
prompts for Y.
5
1
INPUT !
H?5.eeee
Stores 5 for Y, prompts
for H.
1
INPUT
I
V?34.eeee
Retains previous values
1
INPUT
I
A?43.eeee
for H, V, A, G, T;
1
INPUT!
G?32.2eeee
solves for time re-
1
INPUT
I
T=1.44e2
quired to reach (xI,h).
[±]
2
GISTO! T
T=e.72e1
Calculates time re-
quired to reach
maximum altitude,
stores value in T.
128 8: Additional Examples