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PHYSICS CLASS ACTIVITY

This physics class activity focuses on measuring the muzzle velocity of a marble launcher using three distinct methods: vertical shoot, photogate timer, and horizontal shoot. Students will analyze the maximum height and time of flight for vertical launches, use a photogate timer to record the time of the marble's travel, and calculate the velocity from horizontal projectile motion. Emphasis is placed on clear calculations and documenting results to reinforce the understanding of kinematic equations in projectile motion.

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PHYSICS CLASS ACTIVITY

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  1. PHYSICS CLASS ACTIVITY

  2. C.A.: Vo of Marble Launcher

  3. C.A. #6: Marble Launcher Vmuzzle • Determine muzzle velocity of launcher 3 ways: • 1) Vertical shoot • 2) Photogate timer • 3) Horizontal shoot

  4. Vo Vf a t d • Find: • Muzzle velocity C.A. #6: Marble Launcher Vmuz Method #1: Vertical Shoot • Measure: • Y max Vtop = 0 a = ? a = g ~ -10 m/s2 Vf = Vo + at d = Vot + ½ (at2) Ymax = ___ Vf 2 = Vo2 + 2ad up down up/down Vmuzzle Vimpact

  5. Photogate Timer Vmuz Photogate Light beam Marble Time ??? Overhead View

  6. C.A. #6: Marble Launcher Vmuzzle Method #2: Photogate Timer Vmuz diameter Photogate V= d/t diameter d = ? t = t photogate t = ? Vmuz = diameter t photogate

  7. Vf = Vo + at d = Vot + ½ (at2) Vf 2 = Vo2 + 2ad X Y Vo Vf a t d C.A. #6: Marble Launcher Vmuz Method #3: Horizontal Shoot Goal: Determine Vmuz Measure: Y, Range Vmuz Y= ____ Horizontal distance (X ) Vfx Q Vf Vfy

  8. Solve for Final Velocity of Horizontal Shoot Vfx Vfx = ____ Q Vfy = ____ Vf = ____ Vf Vfy Q = ___ SHOW CALCULATIONS CLEARLY!

  9. Summary of Results

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