Search results for author:"C_E_Aguiar"
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Physics Education Vol. 44, No. 6 (November 2009) pp. 624–626
Google Earth photographs often show ships and their wakes in great detail. We discuss how the images can be used to calculate the velocity of these ships. (Contains 4 figures.)
Physics Teacher Vol. 49, No. 1 (January 2011) pp. 33–35
Experiments in mechanics often involve measuring time intervals much smaller than one second, a task that is hard to perform with handheld stopwatches. This is one of the reasons why photogate timers are so popular in school labs. There is an...