Physics, 17.03.2021 23:40 allison9746
When a salmon swims up a river to breed, it often has to jump up waterfalls. Fig. 3.1 shows a
salmon jumping above the surface of the water. On this occasion the salmon falls back down into
the river.
salmon
waterfall
Coro
river
Fig. 3.1
The salmon has a mass of 2.0 kg.
(a) The salmon leaves the water vertically with a kinetic energy of 16.2J.
(i) Calculate the speed of the salmon as it leaves the water.
Answers: 1
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When a salmon swims up a river to breed, it often has to jump up waterfalls. Fig. 3.1 shows a
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