Day 9 11-2-10

Topic: V-t graphs & Motion Diagrams

Objective: I will draw a v-t graph and a motion diagram from the x-t graph

Science Starter: Do a motion diagram for the following story (include acceleration arrows):

As the door bell rang, the man accelerated to the door and opened it for the trick-or-treaters. After passing out a Butterfinger the man hurried back to his chair to watch TV and eat his popcorn.

Converting xt to vt

+ +

STEPS:1. What Quadrant in VT will we work- Circle it!2. First Tangent -Starting point; Mark it. (Horizontal line=0)3. + Slope, line goes up; - Slope, line goes down; Draw line