An archer fish spies a meal of a grasshopper sitting on a, Ask an Expert

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An archer fish spies a meal of a grasshopper sitting on a long stalk of grass at the edge of the pond in which he is swimming. If the fish is to successfully spit at and strike the grasshopper, which is 0.200 m away horizontally and 0.525 m above his mouth,

(a) what is the minimum speed at which the archer fish must spit?

(b) What angle above the horizontal must he spit?

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