Projectile Motion Lab.docx - PHY201 General Physics I Laboratory Page 1 Projectile Motion Name Abby Dolloso Date Jan 22 2018 Partners Alex Andrew

Projectile Motion Lab.docx - PHY201 General Physics I...

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PHY201: General Physics I Laboratory Page 1 Projectile Motion Name: Abby Dolloso Date: Jan. 22. 2018 Partners: Alex, Andrew Objectives In this lab you will use two photogates to measure the velocity of a ball rolling off a table. You will apply concepts from 2-D kinematics to predict where the ball will hit the ground, and verify your prediction using carbon paper. Materials • Small Metal Ball • Ring Stand • Universal Prong Clamp • PVC Pipe • Measuring Tape • Carbon Paper • Plumb Bob • LabQuest • Laptop computer • Two Vernier Photogates Introduction You have probably watched a ball roll off a table and strike the floor. What determines where it will land? Could you predict where it will land? In this experiment, you will roll a ball down a ramp and determine the ball’s velocity with a pair of Photogates. You will use this information and your knowledge of physics to predict where the ball will land when it hits the floor. Preliminary Questions 1. If you were to drop a ball, releasing it from rest, what information would be needed to predict how much time it would take for the ball to hit the floor? What assumptions must you make? a. Height from where you drop it from, time it is in the air b. Gravity and negligible air resistance 2. If the ball in Question 1 is traveling at a known horizontal velocity when it starts to fall, explain how you would calculate how far it will travel before it hits the ground. a. Equation of kinematics Procedure 1. Set up a low ramp made of PVC pipe on a table so that a ball can roll down the ramp, across a short section of table, and off the table edge as shown in the figure above. The ramp should be angled at no more than 5 degrees.
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