EXPERIMENT 7-MOMENTUM CONSERVAT Prelab Exercises and Questions 1. Before collect

Question

EXPERIMENT 7-MOMENTUM CONSERVAT Prelab Exercises and Questions 1. Before collecting and analyzing the experimental Dat/Analysis Prelab data for this experiment, it is useful to first analyze a few simple collisions. Postlab -. Start with an inelastic collision between a 3kg mass in motion and a 2kg mass at rest. Calculate the total momentum and the total kinetic energy before and after the collision. Total Initial Conditions ikg Momentum of 4kg mass - Momentum of 1kg mass - Total Momentum before = Kinetic energy of 1kg mass- Total kinetic energy before = Final Conditions 5kg

Explanation / Answer

Momentum of 4 kg mass = 4*5 = 20 kgm/s

Momentum of 1 kg mass = 1*0 = 0 kgm/s

Total momentum before = 20 kgm/s

KE of 4 kg mass = 0.5*4*5^2 = 50 J

KE of 1 kg mass = 0.5*1*0^2 = 0 J

Total KE before = 50 J

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