phy121
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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 * 3sec = 24cm/s
24cm/s + 12cm/s = 36cm/s
Assuming that acceleration is constant, what will be its average velocity during this interval?
(12cm/sec + 36cm/sec) / 2 =24cm/sec
How far will it travel during this interval?
24cm/sec * 3sec = 72cm
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10min
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&#This looks very good. Let me know if you have any questions. &#