PHY 201
Your 'cq_1_09.1' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
** **
A ball accelerates uniformly as it rolls 20 cm down a ramp, starting from rest, in 2 seconds.
• What are its average velocity, final velocity and acceleration?
answer/question/discussion: ->->->->->->->->->->->-> :10cm/s, 20m/s ,10cm/s2
• If the time interval is in error so that it is 3% longer than the actual time interval, then what are the actual values of the final velocity and acceleration?
answer/question/discussion: ->->->->->->->->->->->-> : 19.43cm/s ,9.43cm/s2
• What is the percent error in each?
answer/question/discussion: ->->->->->->->->->->->-> :3.3, 6.7
• If the percent error is the same for both velocity and acceleration, explain why this must be so.
answer/question/discussion: ->->->->->->->->->->->-> :
• If the percent errors are different explain why it must be so.
answer/question/discussion: ->->->->->->->->->->->-> :the acc error is doubled.
** **
15
** **
&#Very good responses. Let me know if you have questions. &#