PHY 121
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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?
8cm/s^2 * 3s = 24cm/s^2
answer/question/discussion: ->->->->->->->->->->->-> :
• Assuming that acceleration is constant, what will be its average velocity during this interval?
24cm / 3s = 8cm/s
answer/question/discussion: ->->->->->->->->->->->-> :
• How far will it travel during this interval?
8cm/s * 3 = 24cm
answer/question/discussion: ->->->->->->->->->->->-> :
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15 min.
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&#Please compare your solutions with the expanded discussion at the link
Solution
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