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Two cars leave a point A at the same time. One car averages 80km/h along a straight road in direction 025 degree T. The other car averages 90km/h along a styraight road in direction 135 degree T. How far apart are they after 3 hours?

Two cars leave a point A at the same time. One car averages 80km/h along a straight road in direction 025 degree T. The other car averages 90km/h along a styraight road in direction 135 degree T. How far apart are they after 3 hours?

Grade:

1 Answers

vikash kumar
21 Points
10 years ago
The question should better be posted in Vectors section. Consider the question as adding two vectors of magnitude 240 km and 270 km inclined at 115 degrees to each other. Use formula (A^2 + B^2 + 2*A*B*cos(x) ) ^1/2 to get the result.

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