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College Physics I | PHYS 1401, Study notes of Physics

Material Type: Notes; Professor: Coats; Class: College Physics I; Subject: Physics; University: Laredo Community College; Term: Unknown 1989;

Typology: Study notes

Pre 2010

Uploaded on 08/18/2009

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Conservation of Charge
Conservation of Energy
Conservation of Angular Momentum
Inelastic Collisions
Elastic Collisions
Conservation of Linear Momentum
Conservation
Laws
BEU: 1 ft-lb
CGS: 1 erg = 1 dyne cm = 1 g cm² / s²
MKS: 1 Joule = 1 N m = 1 kg m² / s²
units:
W = F r = F r cos θ
W = F dr
Force acting through a distance in the direction of motion
Work
BEU: 1 hp = 550 ft-lb / s = 746 W
CGS: 1 erg/sec
MKS: 1 Watt = 1 Joule / second = 1 kg m² / s³
units
P = d W / dt
The rate at which work is done (or the rate at which energy is consumed or generated)
Power
Energy unit are work units
E = K + U
Total
Mechanical
Energy
Us = ½ k x²
spring:
Ug = G m1m2 / r
gravitational-2:
Ug = mgh
gravitational-1:
Potential
Energy = U
K = ½ mv²
Kinetic
Energy = K
Energy =
The ability to do work
F = d p / d t
F = Δ p / Δ t
Original 2nd Law
F dt = Δ p
F Δt = Δ p
Impulse equals
Change In Momentum
Impulse is
Force * Time
p = m v
Momentum is
Mass * Velocity
Impulse
Momentum
Theorem
Unit VI
Phys
1401/2425

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Conservation of Charge

Conservation of Energy

Conservation of Angular Momentum

Inelastic Collisions

Elastic Collisions

Conservation of Linear Momentum

Conservation

Laws

BEU: 1 ft-lb

CGS: 1 erg = 1 dyne cm = 1 g cm² / s²

MKS: 1 Joule = 1 N m = 1 kg m² / s

units:

W = Fr = F r cos θ

W = ∫ F d r

Force acting through a distance in the direction of motion

Work

BEU: 1 hp = 550 ft-lb / s = 746 W

CGS: 1 erg/sec

MKS: 1 Watt = 1 Joule / second = 1 kg m² / s³

units

P = d W / dt

The rate at which work is done (or the rate at which energy is consumed or generated)

Power

Energy unit are work units

E = K + U

Total

Mechanical

Energy

U

s

spring: =^ ½^ k x²

U

g

= G m 1

m 2

gravitational-2: / r

U

g

gravitational-1: = mgh

Potential

Energy = U

K = ½ mv²

Kinetic

Energy = K

Energy =

The ability to do work

F = d p / d t

F = Δ p / Δ t

Original 2nd Law

F dt = Δ p

F Δt = Δ p Impulse equals

Change In Momentum

Impulse is

Force * Time

p = m v

Momentum is

Mass * Velocity

Impulse

Momentum

Theorem

Unit VI

Phys