LabProjectileMotion

# LabProjectileMotion - PROJECTILE MOTION Objective To...

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1 Objective To calculate the initial horizontal velocity of a projectile by using the kinematic equations of motion and graphical methods. You will then compare the value of the initial horizontal velocity to the expected value by measuring its speed directly with a device called a photogate. Equipment 1. sliding ramp, ball, and stand 2. meter stick 3. detecting paper (carbon paper) 4. tape 5. plumb bob 6. photogate Diagram 1 (setup of apparatus) Diagram 2 (Measuring the initial velocity V o with the photogate) PROJECTILE MOTION

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2 Theory 1. Using the kinematic equations derive an expression for the range R of the projectile in terms of V o (initial horizontal velocity), g (acceleration of gravity), and h (height of launch of ball). Have instructor check equation before continuing. 2. The derived equation for the range R should be directly proportional to the square root of the height h . That is h k R = where k is the proportionality constant which you can deduce from the derived equation for R. The constant
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## This note was uploaded on 09/02/2011 for the course PHYS 2A taught by Professor Luna during the Fall '09 term at DeAnza College.

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LabProjectileMotion - PROJECTILE MOTION Objective To...

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