10.27.Model:This is the case of a perfectly inelastic collision. Momentum is conserved because no external force acts on the system (claybrick).+We also represent our system as a particle. Visualize:Solve:(a)The conservation of momentum equation fixxpp=is 12f1ii2()()xxxmmv mv+=+Using i10i2and() 0,vvv==we get 11i1i100.050 kg()()0.0476()0.0476 (1.0 kg0.050 kg)x xmvvv==++The brick is moving with speed 00.048 .v(b)The initial and final kinetic energies are given by
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