A fishing boat is drifting just above a school of tuna on a foggy day. Without

B

BigDaddy1

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You don't show a figure, and more importantly don't provide a value for the distance of the boat.

Basically though you'll be using speed*time=distance and solve for time. What figure are you using for the speed of sound?
 
warning, an engine backfire occ? A fishing boat is drifting just above a school of tuna on a foggy day. Without warning, an engine backfire occurs on another boat d = km away (see figure). (a) How much time elapses before the backfire is heard by the fish?.

I've gotten these as answers and it says they are all wrong:
.667
.67
2/3
.674764
 
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