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anonymous
 4 years ago
Two straight roads intersect at an angle x=60deg. A car passes the intersection at a speed 90km/h. Ten minutes later a second car passes the intersection on another road. Half an hour after the first car has crossed the intersection the distance between the cars is 39km. what is the speed of the second car?
anonymous
 4 years ago
Two straight roads intersect at an angle x=60deg. A car passes the intersection at a speed 90km/h. Ten minutes later a second car passes the intersection on another road. Half an hour after the first car has crossed the intersection the distance between the cars is 39km. what is the speed of the second car?

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1328217166938:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0diagram would be something like that i think?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1328218227371:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Use cosine rule to find the speed

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Thank you!! what fraction of a km is that?
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