phy 201
Your 'cq_1_7.2' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
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An automobile rolls 10 meters down a constant incline with slope .05 in 8 seconds, starting from rest. The same automobile requires 5 seconds to roll the same distance down an incline with slope .10, again starting from rest.
• At what average rate is the automobile's acceleration changing with respect to the slope of the incline?
answer/question/discussion:
a1 = (10/8)/8 = .15625 m/s^2
a2 = (10/5)/5 = .4 m/s^2
acceleration is not `dv / `dt
.4/.15626 = 2.56
You need to apply the definition of rate of change.
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10 min
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not sure about these answers, but i'll be more confident as lesson 7 continues, hopefully...
&#At least part of your solution does not agree with the solution and comments given at the link below. You should view the solution at that link and self-critique as indicated there.
Solution
This link also expands on these topics and alerts you to many of the common errors made by students in the first part of this course. &#