Asked by Ashley
Two cruise ships leave the same point outside St. John’s harbor at noon. Ship A travels west at 20 km/hr, while Ship B travels south at 25 km/hr. Using calculus, determine how fast they are separating from each other at 2:00 p.m.
Answers
Answered by
Steve
draw a diagram. At time t hours, the distance z is
z^2 = (20t)^2 + (25t)^2
now just figure dz/dt at t=2.
z^2 = (20t)^2 + (25t)^2
now just figure dz/dt at t=2.
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