Asked by Anonymous

A 1470-kg submarine rises straight up towards the surface. Seawater exerts both an upward buoyant force of 16070 N on the sub, as well as a downward resistive force of 1050 N. What is the submarine's acceleration?
Answered by bobpursley
net force= mass*a solve for a.
Answered by Anonymous
This is what I tried but it didn't work. Am I doing something wrong?

(16070+1050) = 1470a
= 11.6
Answered by bobpursley
Why did you add the forces, they are in opposite direction!
Answered by Anonymous
Well I tired the other way and it didn't work either. The answer is 0.418 but I can't figure out how.
Answered by bobpursley
net force= bouyant force- weight-resistive force
Answered by smith
ht tp://ww w.you tube.c om/watch?v=xjV HHE22r3I
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