PHYS 220 General Physics I
Work and kinetic energy
Fall 2014
Assigned Reading: Ch 6, sections 1& 2
Lecture 8
Midterm Exam 1 is approaching
When: Wed Sept 24, 8:00-9:30 PM
Where: Elliott Hall of Music
Exam will cover CHs 1-5 of the book and may include som
PHYS 220 General Physics I
Reference frames, applications, Detecting Acceleration
Fall 2014
Assigned Reading: Ch 4, sections 3-5
Lecture 6
Relative frames
r
v
ri
z
100 m in 10 s
rf
y
x
f
i
r ry ry 100 m
10 m/s
Average speed: vave
t
t
10 s
Phys220 Fall20
PHYS 220 General Physics I
Introduction
Fall 2014
Assigned Reading: Ch 1 & Ch2 S1,2
Lecture 1
What we are covering this semester:
Introductory physics, using mostly algebra
(not calculus), which includes:
Motion & forces
Energy & momentum
Rotations & osci
[i.\',r)err'menr E4 Purdue Uni versin Physics 21900, 22 I 00 and 25200 2013/2014 75
:1 .l 1.7. The computer should automatically t the theoretical function to the experimental data.
The computer uses the Inverse Exponent Fit formula that has the fol
1. The resistors in parallel have the smaller net resistance. It will be 4 times
smaller. For resistors in series, the total resistance R is given by the equation
Rtotal= R1 + R2 +R3+ if the resistance of each resistor is 5 ohms, then the
total resistance
1. Let the charge on A = Q Coulomb and d the distance between the charges in
m.
Charge on B = 2Q
The electrostatic force between them is given by F= (1/ 4) Q1x Q2/ d^2 =
9x10^9( Qx2Q)/d^2 Newton.
From this equation we can deduce that the force is mutual a