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I could not find this lab. Where is it? (I looked under all the assignments the best that I could.)
Which lab are you looking for?.
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5.78 cycles, 354.4 cm, 60.96 cm, 2.05 m/s
10.75 cycles, 389.8 cm, 30.48 cm, 3.78 m/s
16.6 cycles, 425.28 cm, 5.08 cm, 6.80 m/s
350 cm
This data shows that the cycles per second increased as the tension of the string increased. These numbers were obtained by taking ten/time to complete one cycle, and then, distance/#cycles/s and then / 100 to get it into m/s for wave speed.
** Your calculation of wave speed based on the count of cycles is not bad, though I believe there is one flaw.
However you need to do an independent measurement of pulse speed, actually timing pulses in the indicated manner.
Please take a few minutes to do this, insert your information into a copy of this document, and resend. **
The distance from the bottle to the candle is 96.52 cm and the distance from the bottle to the book is 5.84 cm; the bottle is 10.16 cm in diameter. I got these by lighting the candle and placing it at a distance, then measuring. I moved the book back and forth in order to see when it was the most focused.
The distance from the bottle to the candle is now 24.13 cm. Now the book to the bottle is 10.7 cm.
light to bottle 17.78 cm, bottle to book is 13.2 cm,
light to bottle 12.7 cm, bottle to book is 17.2 cm,
At 6.35 cm of the light to the bottle, I could no longer get a good vertical line.
1 hr
Good work, but please insert your information on pulse speed and submit as requested.