day05escapingearthsgravity

day05escapingearthsgravity - (The object may have a speed...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Escaping The Earth's Gravity (i.e. its potential well) Definitions: The additional energy an object requires to escape from its potential well must be provided as Kinetic Energy, E k . The additional speed required is called the escape velocity , v e , even though the direction is not specified nor relevant.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: (The object may have a speed before it is increased to v e ; it doesn't have to start at rest.) To escape, an object's speed may be at m r = E r E E GM m E r < 0 = g-A:\sph4u1\chap6\day05escapingearthsgravity.doc...
View Full Document

This note was uploaded on 10/27/2011 for the course PHYSICS 1028 taught by Professor C.jones during the Spring '09 term at UWO.

Ask a homework question - tutors are online