A calculus problem by Keshav Lakshmi Narasimhan
Calculus
Level
pending
At noon Ship A is 100km west of Ship B. Ship A is sailing east at 35km/hr and Ship B is sailing north at 25km/hr. How fast is the distance between the ships changing at 4 p.m.?
136/√27 km/hr
39 km/hr
95 km/hr
195/√29 km / hr
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