Calculator Evaluate

1
Calculator Evaluate
Angular Speed
Arc Length \ Sector
There are other problems on the calculator
section. Consult your study guide to see what
you need to study.
2
Its important to always check your mode. For
scientific calculators, check the DRG button (Deg
Rad Grad) to make sure it is in the correct
mode. For TI calculators, press mode, and check
if it is radians or degrees.
The º symbol will tell you its a degree problem.
Otherwise, it is likely a radians problem unless
labeled otherwise.
3
If the wheel of a car has angular speed 80
revolutions per minute, and has a tire diameter
of 2 feet, what is the linear speed in miles per
hour? (round to hundredth)
Given that pizza has a linear speed of 35 feet
per second and has a radius of 10 inches, find
the angular speed in revolutions per minute.
Round to the nearest 100th
If a ferris wheel has 4 revolutions every 3
minutes, what is its angular speed in rad\sec
4
Im not really going to make a slide on these.
These are the formulas. Theta represents angle
measure. You just need to use the correct
formula, plug them in, and you should be fine.
The thing to watch out for is to see if they say
its a radius or diameter, and apply the formulas
correctly.