Motion Of A Projectile - HP -22S Owner's Manual

Part 4:
The Safety Officer, Don Jimmally,
must
be on the committee.
How many combinations are possible? (Since one employee
must
be
on the committee, there are five openings for the 23 remaining
employees).
23
I INPUT
I
5 . '
PROS
I
{Cn,r}
33,649.13131313
Number of combina-
tions of 23 taken 5 at a
time.
Part 5:
Once the committee members are chosen, how many ways
can they arrange themselves in a room containing six chairs? (There
are 6! ways of seating themselves.)
6
.1
PROS
I
{n!}
7213.13131313
Calculates 6!.
Part 6:
If there are 7 chairs in the room, how many seating arrange-
ments are possible?
7 II NPUT
I
6
.1
PROS
I
{Pn,r}
5,13413.13131313
Motion of a Projectile
The equations:
X=VxTxCOS(A)
Y=H +VxTxS I N (A) -.5xGxSQ (T)
define the position of a projectile
Permutations of 7
taken 6 at a time.
(Equation #1)
(Equation #2)
where A
=
G=
H=
T=
V=
X=
y=
the initial angle from the horizontal axis.
the acceleration of gravity (32.2 feet/second
2 ).
the height above the ground at T
=
O.
the flight time.
the initial velocity.
the horizontal displacement at time T.
the height above the ground at time T.
126 8: Additional Examples