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Posted by **lALA** on Thursday, April 15, 2010 at 6:35pm.

intersection, and then leave the scene of the accident. The car travels at

100 km h down one road, while the truck goes 80 km h down the other road.

Fifteen minutes after the accident, a police helicopter locates the car and pulls it over. Twenty minutes after the accident, a police cruiser pulls over the truck. How far

apart are the car and the truck at this time?

- calculus -
**Reiny**, Thursday, April 15, 2010 at 6:50pmSame cosine law as I just showed you.

Except in this case you have to calculate the lengths of the two sides.

But that is easy, aren't you given the time and speed?

Remember distance = time x speed.

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