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## Physics Class Notes

by: Sharon Stambouli

4

0

3

# Physics Class Notes PHY 2048

Sharon Stambouli
FIU
GPA 3.95

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These notes cover chapters 8-9
COURSE
Physics without Calculus
PROF.
TYPE
Class Notes
PAGES
3
WORDS
KARMA
25 ?

## Popular in Physics

This 3 page Class Notes was uploaded by Sharon Stambouli on Monday October 17, 2016. The Class Notes belongs to PHY 2048 at Florida International University taught by in Fall 2016. Since its upload, it has received 4 views. For similar materials see Physics without Calculus in Physics at Florida International University.

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Date Created: 10/17/16
Equation Sheet – PHYS–2350 2 Circular motion & Gravitation Frequency – period Velocity Centripetal acc. Centripetal force 1 2~ \0 \0 | = \ = &Ä= wÄ= g& =Äg } }   Banking with no friction Banking angle Net Acceleration 0 0 g\ \ ] = ] + ] 0 0 wxsin θ =  tan θ = c Ç Ä & = &Ç+ & É Gravity on planet of radius R Gravitational Force Universal G constant Kepler’s 3rd law and mass M g ⋅ g 0 0 = w = Ñ 9 0 Ö Ñ = 6.67×10 >99à ⋅ g âc } = 4~ ä }ã = äã v 0 c = Ñ m 0 ÑÖ }0 ä= å å Work and Energy Net Work Kinetic Energy Work – Energy principle (1) Gravitational potential energy ç = r ⋅ é = w _ cos M 9 0 oqs oqs oqs êë = g\ ç oqs= Δêë rv= gb → íë = gcR ç oqs= ç 9 ç + 0 0 Elastic potential energy Conservative work Mechanical energy Work – Energy principle (2) ç = ç + ç 9 0 oqs ñ xñ r = −âΔì → PE = â 0/ çñ= −Δíë ë = êë + íë ç xñ = Δêë + Δíë ç = ë − ë xñ 0 9 Nonconservative work – friction Conservation of energy Average Power Efficiency ë9= ë 0 ç ôë ç ôë íõús ç xñ = −w óò⋅ _ í = = í = = ö = êë 9 íë =9êë + í0 0 ôV ôV ôV ôV íùo Linear Momentum Momentum Newton’s 2nd Law Impulse Conservation of momentum ( r = 0) oqs û = gP ∆û û0− û 9 ü = ∆† = w∆V ∆û = 0 → û = û r = ∆V = ∆V = g] üoqs= ü9+ ü0+ ⋯ 9 0 Coefficient of restitution Elastic collisions Inelastic collision Center of mass = ñ° ,Rñ° P0− P 9 û = û û = û g u u £ = 9 0 9 0 /ñ° = §9− § 0 êë 9 êë 0 êë 9 êë 0 g u £ = 1 £ = 0 g R • → before collision R = u u \ → after collision \0+ • 0 \ +9• 9 \0= \ 9 ñ° g u Rotational Motion (1) Angular quantities: Angle–position Avg. angular velocity Instantaneous ™ Velocity–Angular velocity ôM ΔM _M / = M ™ = ™ = l∆Y→[ = \ = ™ ôV ∆V _V Avg. angular acceleration Instantaneous \$ ™, frequency, and period Only if a is constant. 9 0 ô™ Δ™ _™ 2~ M = M [ ™ V[+ \$V0 \$ = \$ = lim = ™ = 2~| = ™ = ™ + \$V ôV ∆Y→[ ∆V _V } 0 0 [ ™ = ™ + [\$ M − M [ Acceleration – \$ Net Acceleration Rolling without slipping 0 0 & Ç \$ & = &´+ & É /ñ° = ôM \ñ° = ™ &ñ° = \$

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