michael50 michael50

15-12-2016
Physics

contestada

Сколько времени двигалась машина со скоростью 36 км/ч если она проехала 1800 м Ответ в минутах

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mathssydney mathssydney

15-12-2016

36km/h = 36 * 1000 / 3600 = 10 m/s

S=vt so... t=s/v = 1800 m / 10 m/s = 180 s = 3 min

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