SDMC Find the Average Starting Energy of The Ball Analysis of Falling Ball
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Height Before Drop (m) |
First Bounce Height (m) |
Second Bounce Height (m) |
1 |
0.22 |
0.10 |
1 |
0.18 |
0.08 |
1 |
0.21 |
0.11 |
1 |
0.16 |
0.07 |
1 |
0.21 |
0.10 |
For questions 1-3, use the heights recorded in Table 2, and treat the mass of the bouncy ball as 3.5 grams.
- Find the average starting energy of the ball, the average energy at the first bounce max height, and the average energy at the second bounce max height. Is there a drop in energy between bounces? Does it seem to be consistent?
- How much of
a difference in energy is there between the energy values of the first
bounce of three separate trials, compared to the average energy first
bounce energy? - What is the
average kinetic energy of the ball just before the first bounce? What is
the average velocity just before that first bounce? - Using kinematics
through freefall, how does your answer in question 3 compare to the
theoretical value? Give your answer as a percent error.