Fig 6 36 shows a bird catching a fish Assume that
Fig. 6.36 shows a bird catching a fish. Assume that initially the fish jumps up and that the bird coasts horizontally and does not touch the water with its feet or flap its wings.
(a) Is this kind of collision (1) elastic, (2) inelastic, or (3) (2) inelastic, or (3) completely inelastic? Why?
(b) If the mass of the bird is 5.0 kg, the mass of the fish is 0.80 kg, and the bird coasts with a speed of before grabbing, what is the speed of the bird after grabbing the fish?
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