Question

Part 3.B: Elastic Collision m1 ? m2 1) Use the same link: https://phet.colorado.edu/sims/html/collision-lab/latest/collision-lab_en.html 2) KEEP Elasticity 100% by dragging the blue triangle (?) to the right 3) Select: m1 = 4 kg and m2 = 3 kg 4) Position 1 (-1.00 m) and position 2 (0.00 m) 5) Select: v1i = 1.00 m/s and v2i = 0.5 m/s 6) Click on Play, then after the collision, click Pause. 7) Record the values of v1f and v2f. 8) Calculate the values of pi, pf, pf/pi, Ki, Kf, and Kf/Ki, and record them into the following Table 2 Table 2 v1i [m/s] | 1.00 | 1.50 | 2.00 | 2.50 v2i [m/s] | 0.50 | 0.75 | 1.00 | 1.25 v1f [m/s] | | | | v2f [m/s] | | | | pi = m1v1i + m2v2i [kg.m/s] | | | | pf = m1v1f + m2v2f [kg.m/s] | | | | pf / pi | | | | Ki = 1/2 m1v1i^2 + 1/2 m2v2i^2 [J] | | | | Kf = 1/2 m1v1f^2 + 1/2 m2v2f^2 [J] | | | | Kf / Ki | | | |

          Part 3.B: Elastic Collision m1 ? m2

1) Use the same link: https://phet.colorado.edu/sims/html/collision-lab/latest/collision-lab_en.html
2) KEEP Elasticity 100% by dragging the blue triangle (?) to the right
3) Select: m1 = 4 kg and m2 = 3 kg
4) Position 1 (-1.00 m) and position 2 (0.00 m)
5) Select: v1i = 1.00 m/s and v2i = 0.5 m/s
6) Click on Play, then after the collision, click Pause.
7) Record the values of v1f and v2f.
8) Calculate the values of pi, pf, pf/pi, Ki, Kf, and Kf/Ki, and record them into the following Table 2

Table 2

v1i [m/s] | 1.00 | 1.50 | 2.00 | 2.50
v2i [m/s] | 0.50 | 0.75 | 1.00 | 1.25
v1f [m/s] | | | | 
v2f [m/s] | | | | 
pi = m1v1i + m2v2i [kg.m/s] | | | | 
pf = m1v1f + m2v2f [kg.m/s] | | | | 
pf / pi | | | | 
Ki = 1/2 m1v1i^2 + 1/2 m2v2i^2 [J] | | | | 
Kf = 1/2 m1v1f^2 + 1/2 m2v2f^2 [J] | | | | 
Kf / Ki | | | |

Part 3.B: Elastic Collision m1 ? m2

1) Use the same link: https://phet.colorado.edu/sims/html/collision-lab/latest/collision-laben.html
2) KEEP Elasticity 100% by dragging the blue triangle (?) to the right
3) Select: m1 = 4 kg and m2 = 3 kg
4) Position 1 (-1.00 m) and position 2 (0.00 m)
5) Select: v1i = 1.00 m/s and v2i = 0.5 m/s
6) Click on Play, then after the collision, click Pause.
7) Record the values of v1f and v2f.
8) Calculate the values of pi, pf, pf/pi, Ki, Kf, and Kf/Ki, and record them into the following Table 2

Table 2

v1i [m/s] | 1.00 | 1.50 | 2.00 | 2.50
v2i [m/s] | 0.50 | 0.75 | 1.00 | 1.25
v1f [m/s] | | | |
v2f [m/s] | | | |
pi = m1v1i + m2v2i [kg.m/s] | | | |
pf = m1v1f + m2v2f [kg.m/s] | | | |
pf / pi | | | |
Ki = 1/2 m1v1i^2 + 1/2 m2v2i^2 [J] | | | |
Kf = 1/2 m1v1f^2 + 1/2 m2v2f^2 [J] | | | |
Kf / Ki | | | |

Added by Ahmed M.

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