2. Compute the time when the height of the ball is
84 feet.
The value can be computed using the square root
and fraction templates from Math1.
Tap
k5N84-
120Cz16E.
The value can also be computed using a solve
command from Math1. The format is
(equation,variable) even if there is only one variable
in the equation.
Tap
)`z16_)O2
:+120=84,_
[)E.
3. A ball is tossed upwards with an initial velocity
of 56 feet/second, from an initial height of 120 feet.
Compute the time and the height when the ball is at
a maximum height.
Commands such as fMax are found under the
Interactive and the Action menus. The Interac-
tive commands open a dialogue box which gives
prompts for the input. The fMax command uses x
as the default variable, but another variable such
as t can be used.
Main Menu
Getting Started with the Classpad II
4