scilearner Posted September 10, 2009 Posted September 10, 2009 ------> Boat going at 10m/s ------> Sea going at 5m/s What is boats speed relative to the sea. If I use vectors it would BS= BG+GB =15-5=10m/s But the answer must be five and BG=15m/s(A person in the ground would see the boat travelling at 15m/s) Where have I gone wrong?
swansont Posted September 10, 2009 Posted September 10, 2009 "Boat going at 10m/s" is relative to what? Is that the speed the boat is going relative to the sea, or relative to the ground?
insane_alien Posted September 10, 2009 Posted September 10, 2009 i'm going over this with him in the IRC. its relative to the ground. EDIT: resolved.
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