PHYS171_f11_lecture_31

PHYS171_f11_lecture_31 - Example from Star Trek Chapter 9...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
PHYS171 Prof. Arthur La Porta alaporta@umd.edu Rm 1111, IPST building (building #085) Chapter 9 Contrast of Energy and Momentum 43 42 1 r r Impulse = Δ f i t t dt F p Energy results from force acting over a certain distance. Momentum results from force acting over a certain time 43 42 1 r r Work = Δ f i x x s d F E ( ) ( ) initial final = p p r r A A A v m p r r = Definition of momentum Conservation law (closed system)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Example from Star Trek Chapter 9 Problem A mass m 1 is at rest and is hit by a mass m 2 moving at speed v, where m 1 =10kg, m 2 =20kg and v=3m/s. The mass m 2 has a piece of chewing gum stuck to it so that the masses stick together after the collision. How fast are the masses going after the collision? m 1 m 2...
View Full Document

This note was uploaded on 12/29/2011 for the course PHYSICS 171 taught by Professor La porta during the Fall '11 term at Maryland.

Page1 / 2

PHYS171_f11_lecture_31 - Example from Star Trek Chapter 9...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online