Question

A man starts walking north at 2 ft/s from a point P. Five minutes later a woman starts walking south at 6 ft/s from a point 500 ft due east of P. At what rate are the people moving apart 15 minutes after the woman starts walking? (Round your answer to two decimal places.)

Answer 1

I don't know and I don't care ;) hehe just kidding

Answer 2

ok we want the rate that the distance between is increasing , distance z

Answer 3

so extend the point P down

Answer 4

ok so far?

Answer 5

Let t = time elapsed from when the first man starts walking north, in seconds
The man starts walking when t = 0