M01-Ultra

# M01-Ultra - Physics 123 - Minilab 1 DISPLACEMENT, VELOCITY,...

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Physics 123 - Minilab 1 DISPLACEMENT, VELOCITY, AND ACCELERATION Purpose Learn to use the ultrasonic ranger and the LoggerPro program and improve understanding of displacement, velocity, acceleration, and their relationships. Discussion An ultrasonic ranger is a device that sends out a burst of ultrasonic sound and then detects the reflection of this sound off the nearest object. It is connected to the computer, which measures the time it takes for the sound wave to travel round trip and then calculates the distance to the object. The ranger sends sound bursts at short time intervals so the computer is able to make a detailed plot of the displacement of the object versus time. It then numerically differentiates the plot to calculate the velocity and finally numerically differentiates the velocity plot to produce a graph of the acceleration. For the experiment the computer will present you with various plots of displacement, velocity or acceleration versus time. (Part 1)You should try to understand the shapes

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## This note was uploaded on 03/24/2011 for the course PHYSICS 123 taught by Professor Madey during the Fall '08 term at Rutgers.

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M01-Ultra - Physics 123 - Minilab 1 DISPLACEMENT, VELOCITY,...

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