Lab5_Momentum finished pdf

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101

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Dec 6, 2023

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PHY 101 Lab 5: Momentum Data Table 1 Table 1A. Cart A before collision. Cart A mass, m A (kg) Displacement, Δ x (m) Time, t (s) Average time, t (s) Velocity Δ x/t (m/s) = v A 0.0675 0.5 0.31 0.34 1.47 0.35 0.36 Table 1B. Cart A after collision. Cart A mass, m A (kg) Displacement, Δ x (m) Time, t (s) Average time, t (s) Velocity Δ x/t (m/s) = v A 0.0675 0.3 0.28 0.263 1.14 0.25 0.26 Table 1C. Cart B after collision. Cart B mass, m B (kg) Displacement, Δ x (m) Time, t (s) Average time, t (s) Velocity = d/t (m/s) v B 0.0663 0.5 0.39 0.3867 1.29 0.4 0.37
1 © 2016 Carolina Biological Supply Company Data Table 2 Table 2A. Cart A before collision. Cart A mass, m A (kg) Displacement, Δ x (m) Time, t (s) Average time, t (s) Velocity Δ x/t (m/s) = v A 0.2045 0.5 0.25 0.2567 1.947 0.27 0.25 Table 2B. Cart A after collision. Cart A mass, m A (kg) Displacement, Δ x (m) Time, t (s) Average time, t (s) Velocity Δ x/t (m/s) = v A 0.2045 0.2 0.38 0.3767 0.53 0.4 0.35 Table 2C . Cart B after collision. Cart B mass, m B (kg) Displacement, Δ x (m) Time, t (s) Average time, t (s) Velocity Δ x/t (m/s) = v B 0.0663 0.5 0.25 0.243 2.0576 0.21 0.27 Data Table 3 Table 3A. Cart A before collision. Cart A mass, m A (kg) Displacement, Δ x (m) Time, t (s) Average time, t (s) Velocity Δ x/t (m/s) = v A 0.0953 0.5 0.33 0.343 1.457 0.37 0.33 Table 3B. Cart A after collision. Cart A mass, m A (kg) Displacement, Δ x (m) Time, t (s) Average time, t (s) Velocity Δ x/t (m/s) = v A 0.0953 0.35 1.65 1.683 0.2079 1.72 1.68
2 © 2016 Carolina Biological Supply Company Table 3C. Cart B after collision. Cart B mass, m B (kg) Displacement, Δ x (m) Time, t (s) Average time, t (s) Velocity Δ x/t (m/s) = v B 0.3523 0.5 0.52 0.56 0.89 0.6 0.56 1. The law of conservation of momentum states that the total momentum before a collision equals the total momentum after a collision provided there are no outside forces acting on the objects in the system. What outside forces are acting on the present system that could affect the results of the experiments? a. Outside forces that could affect results of the experiments include air resistance, friction, and other external forces that might exert an influence on the motion of the objects colliding. Even the surface you are conducting the experiment on could have an influence. 2. What did you observe when Cart A containing added mass collided with Cart B containing no mass? How does the law of conservation of momentum explain this collision? a. When Cart A with added mass collided with Cart B with no mass added, the law of conservation of momentum explained that the total momentum before the collision should be equal to the total momentum after the collision (this is assuming there are no external forces affecting anything). The added mass in Cart A changed the velocity, but the overall momentum of the system remained conserved. 3. In one of the experiments, Cart A may reverse direction after the collision. How is this accounted for in your calculations? a. Cart A did reverse after the collision in a couple of my trials. In order to account for this in my calculations, the momentum in the reversed direction was treated as having a negative value because it was sort of backtracking its distance. I had to do this in order the ensure the law of conservation of momentum was still upheld.
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3 © 2016 Carolina Biological Supply Company