lab-111-projectile-motion

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New Jersey Institute Of Technology *

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111-L

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Physics

Date

Apr 3, 2024

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pdf

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Lab 111 Projectile Motion Physics I Lab (New Jersey Institute of Technology) Scan to open on Studocu Studocu is not sponsored or endorsed by any college or university Lab 111 Projectile Motion Physics I Lab (New Jersey Institute of Technology) Scan to open on Studocu Studocu is not sponsored or endorsed by any college or university Downloaded by Roosley Louis (rl449@njit.edu) lOMoARcPSD|37575331

Physics Laboratory Report Title (5 points) Lab number and Title: Lab 111: Projectile Motion Name: Group ID: Date of Experiment: 9/23/2021 Date of Report Submission: 9/30/2021 Course & Section Number:Physics 111A Instructor’s Name: Partners’ Names: 1. INTRODUCTION (5 points) 1.1 OBJECTIVES 1.1.1 The objectives of this lab were mainly to study the motion of a projectile and apply the kinematics equations for linear motion to solve the problems given. Other objectives include predicting where a target needs to be placed for the projectile to pass through it in the air as well as calculate the range of the projectile if it is initially shot at an angle. 1.2 THEORETICAL BACKGROUND 1.2.1 The background of this experiment makes us look at the behaviors of projectiles when undergoing two dimensional motion. Specifically, how to calculate different values like displacement, initial velocity, and range based on constant acceleration (gravity) and initial height given by the experimental procedure of setting up a canon with a steel ball at a distance away, shooting the metal ball by pulling on a string that held it back and measuring the distance it traveled (it landed on carbon paper to help with marking) as well as comparing that distance with the theoretical distance we previously calculated with the linear motion equations. 2 EXPERIMENTAL PROCEDURE (5 points) ✔ Equipment: Mini Launcher attached to a base, steel ball (16mm diameter), push rod, c-clamp, safety goggles, carbon and white paper, scotch tape, ring target with one hold, tripod with right angle clamp to hold the ring target, counter tray, plump bob, and a bubble level. Downloaded by Roosley Louis (rl449@njit.edu) lOMoARcPSD|37575331

✔ Procedure: We begin by setting up the mini launcher by clamping it to the table with the C-clamp. The inclination angle is then set by loosening the screws and rotating the launcher to the desired angle. After, the steel ball is loaded into the launcher with a pencil until a click is heard which indicates that the trigger has caught the piston and it is primed to shoot. The shortest length producing force is used. The steel ball is released by pulling a string connected to the trigger. To test the distance, the white and carbon paper are placed in the general vicinity of the average distance the steel ball reaches once fired. The distance of the ball is measured from the point in which the ball leaves the barrel. 3 RESULTS (30 points in total) 3.1 EXPERIMENTAL DATA (15 points) ✔ Table I Trial Number 1 2 3 4 5 Average x 1.117m 1.104m 1.110m 1.108m 1.112m 1.1102m y = 0.513m v 0 = 3.427 m/s ✔ Table II Target Height H (cm) Calculated D (cm) Measured D (cm) % Difference 32.2cm 67.6cm 67.4cm 0.3% 23.5cm 81.6cm 81.4cm 0.2% ✔ Table IV (Height at 15° = 53.1cm) Calculated D (cm) 143cm ✔ 3.2 CALCULATION (15 points) Downloaded by Roosley Louis (rl449@njit.edu) lOMoARcPSD|37575331

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