![]() ![]() Slide the Photogate Bracket into the groove on the bottom of the launcher and tighten the thumbscrew. Using the attached plumb bob, adjust the angle of the launcher to 0o. Clamp the launcher to the comer of the table using the Universal Table Clamp (see photo below). ![]() Choose one corner of a table to place the projectile launcher. Since the initial vertical velocity is zero, the last term drops out of the equation yielding: 2Y 9.8 (2a) х Then, substituting this time in equation (1) lead to the initial velocity: Vo = EXPERIMENT SETUP - Part Al: Muzzle Velocity 1. When a projectile is fired horizontally (from a height), the time of flight can be found from rearranging Equation 2. To find the time of flight, t, the following kinematic equation is needed: (2) where Y is the height, ay - 9.8 m/s2 is the acceleration due to gravity and vyo =0 is the vertical component of the initial velocity. Apparatus -AX Projectile Motion Smart Timer ( ME-2930 SMART TIMER E VEH Theory The horizontal range (X) for a projectile fired horizontally can be found using the following equation: X = V0.t (1) where VO is the horizontal velocity and t is the time of flight. Method Determine the muzzle velocity of a ball fired by a spring gun. Projectile Motion Physics 2053/2048L Purpose The purpose of this experiment is to predict the initial velocity VO of a projectile by recording the horizontal distance (X) traveled shot from certain height Yo.In addition, students will compare with the real velocity recorded with the smart timer and two photo gates. ![]()
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