A road running north to south crosses a road going east to west at the point P. Car A is driving north along the first road, and car B is driving east along the second road. At a particular time car A is 10 kilometers to the north of P and traveling at 80 km/hr, while car B is 15 kilometers to the east of P and traveling at 100 km/hr. How fast is the distance between the two cars changing?

Question

anonymous · Answer

the answer is 460/radical(13). I just don't know how to get there?

anonymous · Answer

wt do u mean by radicals........is it in terms of angles
u tell me where u got it

anonymous · Answer

460/radicalsign(13) km/h. They give us the answers so we can check our work but we need to show how we get to the answer.

anonymous · Answer

Dt[d] = 460/Sqrt[13] = 127.581

anonymous · Answer

yes thats the answer in km/h

anonymous · Answer

do u have any formula for such kind of problems

anonymous · Answer

no thats why I need help on here

anonymous · Answer

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