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17-10-2016
Physics

contestada

How long will it take a car driving 10.5 m/s eastward to pass a tree located 245 meters ahead?
a.about 14.2 seconds
b.about 17.9 seconds
c.about 22.5 seconds
d.about 23.3 seconds

Respuesta :

29-10-2016

the answer is option d. Remember DST triangle, Time= D ÷ S. So, 245m ( Distance ) ÷ Speed which is 10.5m/s = 23.333s

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