PhysAug23

8ms2 practiceproblem practiceproblem

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

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: constant acceleration situation. Acceleration due to gravity = ­9.8m/s2 Practice Problem: Practice Problem: A rock is dropped from the top of a cliff. It takes 5 seconds to hit bottom. How high is the cliff? Practice Problem Practice Problem A bottle is dropped from a 100 meter building. How fast is it going when it hits the ground? Wile E Coyote slips and falls off a cliff. He hits the bottom with a velocity of ­30 m/s. How high was the cliff? Picket fence freefall lab Picket fence freefall lab Problem: to measure the acceleration due to gravity to .5% precision. Precision vs Accuracy Precision vs Accuracy Uncertainty: (Max­Min)/2 Precision: uncertainty/average x 100 Accuracy: Error %= measured – actual x 100 actual Synthesis Synthesis I own/I don’t understand Out: What do you need to remember about freefall?...
View Full Document

This note was uploaded on 11/18/2011 for the course PHYS 121 taught by Professor Burgeson during the Fall '11 term at BYU.

Ask a homework question - tutors are online