An archer fish launches a droplet of water from the
Chapter , Problem 86(choose chapter or problem)
An archer fish launches a droplet of water from the surface of a small lake at an angle of 60 above the horizontal. He is aiming at a juicy spider sitting on a leaf 50 cm to the east and on a branch 25 cm above the water surface. The fish is trying to knock the spider into the water so that the fish can eat the spider. (a) What must the speed of the water droplet be for the fish to be successful? (b) When it hits the spider, is the droplet rising or falling?
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