Cliff divers at Acapulco jump into the sea from a cliff 37.4 m high. At the level of the sea, a rock sticks out a horizontal distance of 9.42 m. The acceleration of gravity is 9.8 m/s 2 . With what minimum horizontal velocity must the cliff divers leave the top of the cliff if they are to miss the rock? Answer in units of m/s.

Salmon often jump waterfalls to reach their breeding grounds. Starting downstream, 2.63 m away from a waterfall 0.255 m in height, at what minimum speed must a salmon jumping at an angle of 35.8 leave the water to continue upstream? The acceleration due to gravity is 9.81 m/s 2 . Answer in units of m/s.