Physics Lab Report 1 Motion

Physics Lab Report 1 Motion - Lab 1: Motion Staci Williams...

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Lab 1: Motion Staci Williams Marc Dones Lab Section 011 Performed September 17, 2009 Due September 25, 2009
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3.1 Programming the SWS The speed of sound is 353.98 meters per second. The speed of sound may vary from day to day because the motion sensor depends on sound in air, it is directly proportional to the square root of T, where T is the absolute temperature of the air. Temperature will vary constantly. When trigger rate is changed to 120 Hz the maximum measurable distance is 0.60 meters. The maximum distance depends of the trigger rate because as the trigger rate increases, the pulses increase and must bounce back quicker than if there were fewer pulses being emitted. 3.2 Measuring Position The numbers of digits to the right of the decimal points are not sufficient. There should be three digits because using the meter stick we can tell two digits for certain, and then we approximate the third. 3.3 Checking on SWS The motion sensor is slightly off. The roundtrip pulse time was .00366 seconds .00366s*353.98m/s= 1.296m 1.296m/2=.648m The full distance traveled by the pulse was only was 1.2m, indicating that the distance
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This note was uploaded on 05/08/2010 for the course PHYS v12 taught by Professor Adler during the Spring '10 term at NYU.

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Physics Lab Report 1 Motion - Lab 1: Motion Staci Williams...

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