Your 'cq_1_05.1' 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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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?
Vf = ‘dv +v0, ‘dv = 8cm/s^2 * 3s = 24m/s. vf = 24m/s + 12cm/s = 36cm/s
answer/question/discussion:
• Assuming that acceleration is constant, what will be its average velocity during this interval?
vAve = (v0+vf)/2 = (12cm/s + 36cm/s)/2 = 24cm/s
answer/question/discussion:
• How far will it travel during this interval?
‘ds = vAve * ‘dt = 24cm/s * 3s = 72cm
answer/question/discussion:
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.25 hours
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Would like to have feedback. Thanks, Joshua
Excellent solution.