In this experiment, a tennis ball is released from a certain height. While the ball falls down, time of release (t;) and time when the ball touches the ground (tr) are recorded using a stopwatch and slow motion video. The difference At = tr-ti is the time interval during the fall. For the first experiment (available with video), t;=17.31s and tr= 17.94s, yielding At = 17.94s - 17.31s = 0.63s. %3D %3D

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Chapter1: Measurement
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DATA:
In this experiment, a tennis ball is released from a certain height. While the ball falls down, time of
release (t;) and time when the ball touches the ground (tr) are recorded using a stopwatch and slow
motion video. The difference At = tr-ti is the time interval during the fall. For the first experiment
(available with video), t=17.31s and tr= 17.94s, yielding At = 17.94s - 17.31s = 0.63s.
Transcribed Image Text:DATA: In this experiment, a tennis ball is released from a certain height. While the ball falls down, time of release (t;) and time when the ball touches the ground (tr) are recorded using a stopwatch and slow motion video. The difference At = tr-ti is the time interval during the fall. For the first experiment (available with video), t=17.31s and tr= 17.94s, yielding At = 17.94s - 17.31s = 0.63s.
4. Calculate the average of final velocities from the five experiments. (Show calculation.
Include units)
Calculations:
5. Fill in the table below with the release heights and final velocities you calculated for each
experiment:
(don't forget to include units)
Experiment No
At
Initial height (yı)
Final velocity (vr)
1
0.63s
0.64s
3
0.62s
4
0.65s
5
0.63s
Average
3
6. Actual release height was 2.00 m. Based on this information and using the average value of
release height we obtained from our experiments, what is the % error we made? Show your
calculations.
Transcribed Image Text:4. Calculate the average of final velocities from the five experiments. (Show calculation. Include units) Calculations: 5. Fill in the table below with the release heights and final velocities you calculated for each experiment: (don't forget to include units) Experiment No At Initial height (yı) Final velocity (vr) 1 0.63s 0.64s 3 0.62s 4 0.65s 5 0.63s Average 3 6. Actual release height was 2.00 m. Based on this information and using the average value of release height we obtained from our experiments, what is the % error we made? Show your calculations.
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