Kinematics:
Constant velocity:
x = v t
x(t) = x0 + v t
Constant acceleration:v = a t
v(t) = v0 + a t
2
x = v0 t + a t x(t) = x0 + v0 t + a t2
vf2 - v02 = 2a x
For a right triangle with hypotenuse C: A2 + B2 = C2
sine () = opposite/ hypotenuse
cosine () =
Physics 08-04 Conductors and Electric Fields in Equilibrium and Applications
Name: _
Conductors in Equilibrium
Conductors contain _ charges that move _
When _ charges are present, they quickly _ to places where the electric field is
_ to the surface
Then
Physics 08-03 Electric Field and Electric Field Lines
Name: _
Electric Field
We can use a _ charge to determine how the surrounding _ generate a _
o Pick a small test charge so it doesnt _ the surrounding charge _
A test charge (0 = 1.0 1010 ) experiences
Module 1 Homework Problems
Question 1:
Nail tips exert tremendous pressures when they are hit by hammers because they exert a large
force over a small area.
What force must be exerted on a nail with a circular tip of 1.00 mm diameter to create a
pressure
Name: _
Practice 17.1-17.3 Sound
1. When poked by a spear, an operatic soprano lets out a 1200-Hz shriek. What is
its wavelength if the speed of sound is 345 m/s?
2. What frequency sound has a 0.10-m wavelength when the speed of sound is 340
m/s?
3. Calcu
Continuity equation and Bernoullis equation
1
Definitions
m
= Mass flow (kg/s)
= Air density (kg/m3 )
A = Area (m2 )
V = Speed (m/s)
p = Pressure (P a = N/m2 )
h = Height (m)
S = Surface (m2 )
r = Radius of the curvature (m)
v = Volume (m3 )
Va = Veloci
Chapter 4
Elasticity
Additional Questions 1-9
End-of Chapter Ex. 4, 8
Elasticity
It represents the ratio of the % change in one variable to the % change in
another variable
1) Price Elasticity of Demand
- measures the responsiveness of quantity demanded