Exploring physics of Distracted Driving #e, f
Does anyone understand how to do this? Are we using the triangle that we predicted? Thanks
Wednesday, September 16, 2009
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4 comments:
I am pretty sure that you use the triangle sketch in B. And then you fill in what the area of a triangle is. Which I believe is the distance the ruler falls but it could be different. You also fill in the formula for finding the area of a triangle. And I think the base of the triangle is your reaction time.
Reid is right and the height of the triangle is the velocity. The formula for area in this problem is A= 1/2 times change in v times change in t.
ok thanks. but how do we plot this on the graph in B?The only info I have is the distance on the ruler, so where do i go from there?
This is great work!!
Sam and Reid are right. The sketch you are making in B is just a sketch, and it's only to help you visualize how you can write an expression for the displacement (represented by the area) of the ruler. Ultimately, you are trying to find a formula for the reaction time, in terms of how far the ruler fell. We will work on this more in class tomorrow.
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