(Solved):
12-22. The acceleration of the boat is defined by \( a=\left(1.5 v^{1 / 2}\right) \mathrm{m} / \ma ...
12-22. The acceleration of the boat is defined by \( a=\left(1.5 v^{1 / 2}\right) \mathrm{m} / \mathrm{s} \). Determine its speed when \( t=4 \mathrm{~s} \) if it has a speed of \( 3 \mathrm{~m} / \mathrm{s} \) when \( t=0 \). Probler