Monday, September 17, 2012

Hmwk due Wednesday! Ranking tasks, velocity

Homework due Wednesday (WS) was handed out in class today.  This problem set is to help everyone practice using speed, distance, and time (plus the velocity concept) and also using vector addition to solve motion problems.  This assignment will is due on Wednesday. 
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Today we discussed correct answers from the book homework from last week (I handed back and students could make corrections), then we worked on ranking tasks; change of velocity from one situation to another, and position - time graphs where we determined displacement over the time interval.

Tomorrow (Tuesday) we'll work more with graphs - actually using the position - time graphs from today's worksheet again but we will be changing some of the ways we're ranking them - they can mean different things with different assumptions.
We will also try a graphing exercise in the notes; try to make a graph of something moving at several different constant rates and do position - time graphs and see how this relates to a velocity - time graph.    There will also be some time to work on homework, depending on the class.  

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