Weblab 2

# Weblab 2 - Observe the results Be sure to note the green...

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Chapter 6 WebLab#2: “Collisions” Notebook Section #10 * Go to the following website: http://surendranath.tripod.com/Applets.html * Move the cursor to white box that says “Applet Menu”. Then move the cursor to ”Dynamics”. Then select “Collisions”. A new screen will open. * The sliders at the bottom control several variables. “Vbi” is the speed of a marble. “d” is the offset distance between the path of the marble and the center of a targe t marble. “e” is the elasticity of the marble; if e = 1 then the collision is elastic; if e < 1 then the collision is inelastic; if e = 0 then the collision is completely inelastic. “mb/mr” is the ratio between the marble’s mass and the target marble’s m ass. * With Vbi = 10, e = 1, and mb/mr = 1, try collisions with various values of d. Observe the results. * With Vbi = 10, e = 1, and d = 0.5, try collisions for various values of mb/mr. Observe the results. * With Vbi = 10, d = 0.5, and mb/mr = 1, try collisions for various values of e.
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Unformatted text preview: Observe the results. * Be sure to note the green arrows that represent the forces acting on the two marbles during the collision. Questions: 1) What do you observe about the forces acting on the marbles during all of the collisions? 2) What did changing “d” change about the paths of the marbles after the collision? 3) What do you notice about the direction of the blue marble’s motion after the collision relative to the direction of the red marble’s motion for all values of “d”? 4) What does changing the value of “mb/mr” change about the paths of the marbles after the collision? 5) What does changing the value of “e” change about the paths of the marbles after the collision? 6) What happens when e = 1, d = 0, and mb/mr = 10? What would happen if mb/mr = ∞? 7) What happens when e = 1, d = 0, and mr/mb = 10? What would happen if mr/mb = ∞?...
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