Phy 231
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The problem:
A ball accelerates at 8 cm/s^2 for 3 seconds, starting with velocity 12 cm/s.
What will be its velocity after the 3 seconds has elapsed?
answer/question/discussion: 12 cm/s + (8 cm/s^2)(3s) = 36 cm/s
Assuming that acceleration is constant, what will be its average velocity during this interval?
answer/question/discussion: (36 cm/s + 12 cm/s)/2 = 24 cm/s
How far will it travel during this interval?
answer/question/discussion: 72 cm/s
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5 minutes
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&#Very good responses. Let me know if you have questions. &#