A big red fish with a mass of 20 kg swims with a velocity of 2 m/s toward a small, stationary green fish which has a mass of 10 kg. The big red fish opens its mouth and swallows the small green fish. What will the big red fish's velocity be immediately after swallowing its meal?
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Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?
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A big red fish with a mass of 20 kg swims with a velocity of 2 m/s toward a small, stationary green...
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