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The initial momentum of mass 1: 0.5 * 1 = 0.5 kg m/s The initial momentum of mas

ID: 1635784 • Letter: T

Question

The initial momentum of mass 1: 0.5 * 1 = 0.5 kg m/s

The initial momentum of mass 2: 1.5 * -0.5 = -0.750 kg m/s

Total initial momentum: 0.5 - 0.750 = -0.25 kg m/s

The initial kinetic energy of mass 1: 0.5 * 0.5 * 1^2 = 0.25 J

The initial kinetic energy of mass 2: 1.5 * -0.75 = -1.125 J

Total initial kinetic energy: 0.25 + -1.125 = -875 J

The final momentum of mass 1: 0.5 * 0.7 * -0.35 ^2 = 0.25 kg m/s

The final momentum of mass 2: 1.5 * 0.06 * 0.1= 0.0009 kg m/s

Total final momentum: 0.25 + 0.0009 = 0.25 kg m/s

The final kinetic energy of mass 1: ___________________________________

The final kinetic energy of mass 2: _____________________________

Total final kinetic energy: ____________________________________________

Explanation / Answer

Mass of m1=0.5 kg

MaS's of m2=1.5 kg

Final momentum of m1=0.25 kg-m/s

Final momentum of m2=0.0009 kg-m/s

Final speed of m1=0.25/0.5=0.5m/s

Final speed of m2=0.0009/1.2 =0.0006 m/s

Final kinetic energy of m1=0.5*0.5*0.5²=0.0625 J

Final kinetic energy of m2=0.5*1.5*0.0006²=2.7*10^-7 J

Totao final kinetic energy = 0.0625 + 2.7*10^-7 =0.0625J