问题标题:
acaristravellingataspendofvm/s.a))Whatisthedistancetravelledbythecarintseconds?10vmetresb]]Findthedistancetravelledbythecarataspeedof210m/sinoneandahalfminutes
问题描述:
acaristravellingataspendofvm/s.
a))Whatisthedistancetravelledbythecarintseconds?10vmetres
b]]Findthedistancetravelledbythecarataspeedof210m/sinoneandahalfminutes
胡晓莉回答:
a)Thedistancethatthecartravelledis10v/v=10meters
b)oneandahalfminutes=3600+1800=5400s
Thedistance=210*5400=1134000m=1134km
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