lab1DubsonVersion

# Lab1DubsonVersion - 1 of 6 Laboratory 1 Motion and Gravity Your NAME Physics 2010 Section Day(circle M Tu W Th F Section Time 8a 10a 12p 2p 4p TA's

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1 of 6 © University of Colorado at Boulder Laboratory 1: Motion and Gravity Physics 2010 Your NAME _____________________________ Section Day (circle): M Tu W Th F Section Time: 8a 10a 12p 2p 4p TA's Name_____________________ In this lab you will be working with air tracks and playing around (in a scientific way) to discover some properties of motion, acceleration, and the effects of gravity. Have fun and learn some good physics! Instructions Your first priority in any lab is safety. The good news is that there are relatively few ways to hurt yourself or others in this lab. Still, pay attention at all times to what you and your lab mates are doing. Your next priority is to treat the equipment safely and respectfully. They are cool instruments, but they are sensitive and easily broken. The air tracks and gliders can be destroyed if their surfaces are gouged or bent. Do not elevate the air tracks past approximately 10 degrees. PLEASE DO NOT BRING FOOD OR DRINK INTO THE LAB. Do the online prelab questions before the start of your lab. Failure to turn in the prelab before the lab will result in a substantial penalty. You are encouraged to make a copy of your prelab responses, so you can refer to them in the lab. In the lab, use the space provided for short answers. If necessary attach your own paper for any extended analysis and commentary. All plots should have axes drawn neatly with a straightedge, with scales and units clearly labeled. Specify units of any measured quantity. Unless the quantity is dimensionless, a measurement without units is wrong. Measurements made with real equipment are not infinitely precise. It is important to report enough figures of a result so that all the real information from the measurement is conveyed. However, it's equally wrong – and more misleading – to report more digits than are significant! Prelab Questions are answered online. Go to the "Lab Manual" link and click on "Prelab 1" to do the prelab. After you have submitted your prelab answers to the question below, make a print out of your answers and hand this in to your TA at the start of class. 1. Describe the difference between average velocity and instantaneous velocity. 2. If you take the average velocity over some period of time (say 1 hour on a car trip), is it possible that the instantaneous velocity at any moment during that period is larger than the average velocity? 3. The equation for 1D motion with constant acceleration is: x = x 0 + v 0 t + 1 / 2 a t 2 Assume you start from rest, so v 0 = 0. Solve for the displacement (x – x 0 ). Then solve for acceleration, a, in terms of (x – x 0 ) and t.

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## This note was uploaded on 08/24/2010 for the course PHYS 2010 taught by Professor Dubson during the Spring '06 term at Colorado.

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Lab1DubsonVersion - 1 of 6 Laboratory 1 Motion and Gravity Your NAME Physics 2010 Section Day(circle M Tu W Th F Section Time 8a 10a 12p 2p 4p TA's

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