problem03_70

University Physics with Modern Physics with Mastering Physics (11th Edition)

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

View Full Document Right Arrow Icon
3.70: The firecracker’s falling time can be found from the usual g h t 2 = The firecracker’s horizontal position at any time t (taking the student’s position as 0 = x ) is 0 2 2 1 = - = at vt x when cracker hits the ground, from which we can find that
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: a v t / 2 = . Combining this with the expression for the falling time: g h a v 2 2 = so 2 2 2 a g v h =...
View Full Document

This document was uploaded on 02/04/2008.

Ask a homework question - tutors are online