Acceleration Lab - Calculations: Average Time= (Trial 1 x...

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Nick Hunter Acceleration of a Car Traveling Down a Ramp Lab Objective: To determine the acceleration of a car traveling from rest down an inclined plane. Equipment: Meter stick Photo-gate Ramp-car system Procedure: Release car from atop of an inclined plane. Gather time from a photo-gate at 10 cm from the release point. Repeat two more times. Move the photo-gate in 10 cm intervals down the inclined plane and repeat previous steps. Once all times are gathered, calculate the average time for each photo-gate position. Square all the average times then graph (y- Δx, x- t ²) Using the formula Δx=½at ² ( a= 2Δx/ t ²) , find the acceleration. Find the slope of the given graph then multiply it by 2 to get the average acceleration. Data: Length (cm) Trial 1 (sec) Trail 2 (sec) Trial 3 (sec) 10 0.1192 0.1218 0.1204 20 0.1976 0.1961 0.1961 30 0.2566 0.2582 0.2591 40 0.3122 0.3145 0.3138 50 0.3545 0.3526 0.3553 60 0.9305 0.4111 0.3996 70 0.4383 0.4318 0.4323 80 0.4694 0.4674 0.4686
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Unformatted text preview: Calculations: Average Time= (Trial 1 x Trail 2 x Trial 3)/3 Avg. Time Squared= Average Time*Average Time Nick Hunter Length (cm) Trial 1 (sec) Trail 2 (sec) Trial 3 (sec) Average Time (sec) Avg. Time Sqd (sec²) 10 0.1192 0.1218 0.1204 0.1205 0.0145 20 0.1976 0.1961 0.1961 0.1966 0.0387 30 0.2566 0.2582 0.2591 0.2580 0.0665 40 0.3122 0.3145 0.3138 0.3135 0.0983 50 0.3545 0.3526 0.3553 0.3541 0.1254 60 0.9305 0.4111 0.3996 0.5804 0.3369 70 0.4383 0.4318 0.4323 0.4341 0.1885 80 0.4694 0.4674 0.4686 0.4685 0.2195 Position vs. Time 10 20 30 40 50 60 70 80 90 0.1 0.2 0.3 0.4 0.5 Time (sec) Position (cm) Nick Hunter Position vs. Time sqd y = 336.64x + 6.6393 10 20 30 40 50 60 70 80 90 0.05 0.1 0.15 0.2 0.25 Time Squared (sec sqd) Position (cm) Slope of the Line of: Position/Average Time Squared = ½ Acceleration 336.64 cm/s ² = ½ Average Acceleration 673.28 cm/s ² = Average Acceleration Conclusions:...
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This note was uploaded on 04/14/2010 for the course PHYSICS 125 taught by Professor Billyubina during the Spring '10 term at 카이스트, 한국과학기술원.

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Acceleration Lab - Calculations: Average Time= (Trial 1 x...

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