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90 km / hr
Convert to m and mins
90000m / 60 mins
Now they want 1 min
90,000 / 60 = 1500 m/min
Convert to m and mins
90000m / 60 mins
Now they want 1 min
90,000 / 60 = 1500 m/min
Speed limit : 1500 m/mins
Travel 4200m find minutes needed first
= 4200/1500 = 2.8 mins
Answer wants in seconds .
1min = 60 sec
2.8 min = 60 x 2.8 = 168 seconds
Travel 4200m find minutes needed first
= 4200/1500 = 2.8 mins
Answer wants in seconds .
1min = 60 sec
2.8 min = 60 x 2.8 = 168 seconds