Question

A salmon jumps up a waterfall 2.4 m high. With what minimum speed did the salmon
leave the water below to reach the top?
0 10 m/s
O 26 m/s
O 5 m/s
O 6.9 m/s

Answer 1

Answer: D. 6.9 m/s

Explanation: The minimal velocity needed is when we have only vertical motion, then i will think in the problem only in one axis.