Physics II workshop_Part_19

Physics II workshop_Part_19 - Projectile Experiment In the...

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40 Projectile Experiment In the last workshop you derived an equation relating the initial velocity of a projectile fired horizontally from a height ( h ) to its range ( L ). Now we are going to do an experiment to determine the muzzle velocity of a spring gun and use this datum to make predictions for the range and time of flight of the projectile when it is fired at an angle. We will then test the predictions by taking several shots with a tilted “cannon”. Equipment Ballistic pendulum device, open-ended box, carbon paper and blank sheet, meter sticks, stopwatch. Set up one device on your table. Set-up and operation Place the ballistic pendulum device on your table and clamp in it place. Carefully remove the pendulum arm and make sure that the cannon is fixed securely in the horizontal position. Gently push the ball to the medium range setting using the rod provided. Fire a shot or two to get a rough idea of the range and then set up your recording device (carbon paper, blank sheet and box) to catch the ball.
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