Question
a) Does ball B roll faster along the lower part or track a than ball A rolls along track A? (b) Is the speed gained by ball B going down the extra dip the same as the speed it loses going up near ... (c) On track B, won't the average speed dipping down and up be greater than the average speed of ball A during the same time?
d) So, overall, does ball A or ball B have the greater average
speed? (Do you wish to change your answer to the
previous exercise?)
d) So, overall, does ball A or ball B have the greater average
speed? (Do you wish to change your answer to the
previous exercise?)
Answers
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