this is a TI-89 titanium program app for tangential acceleration

and to get started

need to get to my menu so you’re gonna

to get to my menu you’re going to press second alpha and put in the letters physics

and then press alpha again

to enter the open and closed parenthesis

press enter and you are into my menu

you have many things in this menu and you can scroll down

you see an arrow here you can always scroll down more more

car catchers trucks center of mass beads and wire atwood machine

all kinds of things

coming from calculus tests

that you need to pass calculus and um…

right now i want to do

tangential acceleration

scroll to that press enter and were into the program

i give you the choice for

whether they gave you

initial revolutions and final revolutions or initial velocity final

velocity

lets do number two

and tell you need to find angular acceleration first which i do my program

you have to press alpha before you enter anything in my programs

let’s put in

radius of eight

and uh…

let’s say they gave you centimeters

you must write this on your paper to

computer problem

everything you see you write on your paper with my programs

for tests or homework

and um…

then we’re going to do initial revolutions

alpha

zero because it’s at rest

and final revolutions alpha six

if they give you r_p_m’s you have to convert it to r_p_s_ in the formula, the formula uses r_p_s_

revolutions per second

and then we’re going to put in the time lets say two seconds

i show you what you’ve entered so you can change it if you want

i say it’s okay

you need to convert

revolutions initial

to angular speed you do that by multiplying by two pi

here’s the final revolutions converted to angular speed

w final is the angular speed final and heres the final

and here’s the formula

and uh… for angular acceleration

and then the uses that in the formula for tangential acceleration

pretty neat huh every step physics dot com go to my site

check out my programs

and pass physics