"ut omnes discant quod erat demonstrandum"
Sat, Oct-19
Sun, Oct-20
Mon, Oct-21 NO SCHOOL
Tue, Oct-22 Mouse Trap Car Prelim
Wed, Oct-23 Mouse Trap Car Prelim
Thu, Oct-24 Mouse Trap Car Prelim
Fri, Oct-25 Mouse Trap Car Finals
Sat, Oct-26
Sun, Oct-27
90%
LED BOARD 2020 2019
1.1 Measurement 86
1.2 Math Foundations 73
1.3 Vector Addition 90
2.1 Uniform Acceleration 0
2.2 Graphing Motion 0
2.3 Newton's Laws 0
3.1 Force Body Diagrams 0
3.2 Parallel Forces 0
4.1 Projectile Motion 0
4.2 Circular Motion 0
4.3 Rotational Motion 0
5.1 Work Eff./Power 0
5.2 Energy Conservation 0
5.3 Momentum 0
6.1 Wave Mechanics 0
7.1 Sound Characteristics 0
7.2 Sound Intensity 0
7.3 Doppler Effect 0
7.4 Strings & Tubes 0
8.1 Photoelectric Effect 0
9.1 Fluid Dynamics 0
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Inquiry: Collisions

Purpose: To analyze the conservation of momentum.

Procedure:

We will use the applet below to experiment with momentum. An elasticity of 0% means completely inelastic and the balls will stick together. An elasticity of 100% means completely elastic and kinetic energy will also be conserved along with momentum. After you have tested your momentum ideas attempt the following 2 problems. You can see the results of these two scenarios within this applet to check your answers but you need to show work in your notebook.

Inquiry Questions:

  1. Create the following settings for a completely elastic collision and show detailed work on how to calculate the final velocities of both balls.

    Red Ball mass 2.0 and velocity 10.0
    Green Ball mass 3.0 and velocity -6.0


  2. Create the following settings for a completely inelastic collision and show detailed work on how to calculate the loss of kinetic energy.

    Red Ball mass 2.0 and velocity 10.0
    Green Ball mass 3.0 and velocity -6.0