Joel is 700 km north of a town, travelling towards it at an average speed of 75 km/h. Nick is 680 km east of the town, travelling towards it at 80 km/h. Show that after t hours, the distance between Joel and Nick is given by, d= √(952400-213800t +12025t^2)
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maths help:) (1 Viewer)
- Thread starter mac1996
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GoldyOrNugget
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Find their respective positions at t hours in terms of t, then use Pythagoras.