A 5.60 kg model rocket is traveling horizontally and due south with a speed of 18.0 m/s when it explodes into two pieces. The velocity of one piece, with a mass of 2.30 kg, is v→1=(-12.0m/s)î+(29.0m/s)ĵ-(11.0m/s)k̂, with î pointing due east, ĵ pointing due north, and k̂ pointing vertically upward. (a) What is the linear momentum of the other piece, in unit-vector notation? (b) What is the kinetic energy of the other piece? (c) How much kinetic energy is produced by the explosion?

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