Reference Guide

5-40 Equation Reference
Equations:
1
u
---
1
v
---
+
1
f
---
=
1
f
---
n 1–( )
1
r1
-----
1
r2
-----
–
 
 
⋅= m
v
–
u
------
=
Example:
Given: r1=5_cm, r2=20_cm, n=1.5, u=50_cm.
Solution: f=13.3333_cm, v=18.1818_cm, m= -0.3636.
Oscillations (10)
Variable
Description
ω
Angular frequency
φ
Phase angle
θ
Cone angle
a
Acceleration at t
f
Frequency
G
Shear modulus of elasticity
h
Cone height
I
Moment of inertia
J
Polar moment of inertia
k
Spring constant
L
Length of pendulum
m
Mass
t
Time
T
Period
v
Velocity at t
x
Displacement at t
xm
Displace amplitude
Reference: 3.