SOLUTION: A fishing trawler radioed the Coast Guard for a helicopter. The helicopter left the station when the trawler was 600 km away headed towards the station. Average speed of the trawle
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Question 1037950: A fishing trawler radioed the Coast Guard for a helicopter. The helicopter left the station when the trawler was 600 km away headed towards the station. Average speed of the trawler is 30km/hr and helicopter speed is 300 km/hr. How long does it take the helicopter to reach the trawler?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
You can think of this as one of them ( either one )
standing still and the other moving at the sum of their speeds
Let = time in hrs for helicopter to reach trawler
-----------------------
hrs
It takes the helicopter 1 hr 49 min 5 sec
-----------------------------------
check:
Equation for the trawler:
and
Equation for the helicopter:
-------------------------
OK
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