Question

Salmon often jump waterfalls to reach their breeding grounds. One salmon starts 2.00m from a waterfall that is 0.55m tall and jumps at an angle of 32.0 degrees. What must be the salmon's minimum speed to reach the waterfall?

Answer 1

\[\theta = 32.0º \]
\[\Delta d_v = 0.55 m \]
\[\Delta d_h = 2.0 m \]
\[g = -9.8 \frac{ m }{ s^2 } \]
Trying to find:
\[V_i\]
\[V_f = 0 \frac{ m}{s}\]
\[V_f^2=V_i^2+2g \Delta d_v \]
\[0=V_i^2+2g \Delta d_v \]
rearrange using algebra to find:
\[V_i\]