Lab5_Momentum copy

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Eastern Kentucky University *

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101

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Physics

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Apr 3, 2024

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PHY 101 Lab 5: Momentum Odessa Lawhorn Data Table 1 Table 1A. Cart A before collision. Cart A mass, m A (kg) Displacement, Δx (m) Time, t (s) Average time, t (s) Velocity Δx/t (m/s) = v A 0.0692 0.5 0.69 0.69 0.72 0.71 0.68 Table 1B. Cart A after collision. Cart A mass, m A (kg) Displacement, Δx (m) Time, t (s) Average time, t (s) Velocity Δx/t (m/s) = v A 0.0693 0.3 0.67 0.69 0.72 0.70 0.70 Table 1C. Cart B after collision. Cart B mass, m B (kg) Displacement, Δx (m) Time, t (s) Average time, t (s) Velocity = d/t (m/s) v B 0.0693 0.5 0.86 0.81 0.62 0.78 0.80 Data Table 2 Table 2A. Cart A before collision.
Cart A mass, m A (kg) Displacement, Δx (m) Time, t (s) Average time, t (s) Velocity Δx/t (m/s) = v A 0.0693 0.5 0.70 0.71 0.70 0.69 0.73 Table 2B. Cart A after collision. Cart A mass, m A (kg) Displacement, Δx (m) Time, t (s) Average time, t (s) Velocity Δx/t (m/s) = v A 0.0852 0.5 1.28 1.31 0.38 1.35 1.30 Table 2C . Cart B after collision. Cart B mass, m B (kg) Displacement, Δx (m) Time, t (s) Average time, t (s) Velocity Δx/t (m/s) = v B 0.0852 0.20 0.55 0.53 0.38 0.52 0.52 Data Table 3 Table 3A. Cart A before collision. Cart A mass, m A (kg) Displaceme nt, Δx (m) Time, t (s) Average time, t (s) Velocity Δx/t (m/s) = v A 0.0464 0.35 0.80 0.81 0.43 0.83 0.81 Table 3B. Cart A after collision. Cart A mass, m A (kg) Displaceme nt, Δx (m) Time, t (s) Average time, t (s) Velocity Δx/t (m/s) = v A 0.0464 0.35 0.42 0.44 0.80 0.48 0.43 Table 3C. Cart B after collision. Cart B mass, m B (kg) Displaceme nt, Δx (m) Time, t (s) Average time, t (s) Velocity Δx/t (m/s) = v B 1 © 2016 Carolina Biological Supply Company
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? Outside sources that could affect the results of the experiments could be the recording method, the surface and measurements labeled, the angle of the ramp and the support after weight has been added, and the force acting on the objects when the cart is going down the ramp 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? When cart A had added mass and collided with cart B containing no mass, cart A had constant momentum while cart B absorbed it after the collision. The law of conservation of momentum says this by the momentum remains constant 3. In one of the experiments, Cart A may reverse direction after the collision. How is this accounted for in your calculations? Using a negative sign tells that the cart reversed in direction after the collision. This would have happened when cart B had more weight than cart A. 2 © 2016 Carolina Biological Supply Company
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