Lab4.rtf - PHY 205 Sections II Lab: 4 September 20, 05...

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PHY 205 Sections II Lab: 4 September 20, 05 Projectile Motion Bijaya Singh Thapa Abstract: In the first part of the experiment we launched ball from the projectile launcher. Once a projectile is fired, its vertical acceleration is unaffected by a horizontal component of its velocity. We neglect an air resistance and assume the horizontal component of velocity to remain constant. The vertical acceleration of the projectile is the same as for a free falling body. Therefore, if a projectile is fired horizontally from a height h, the formula h=1/2gt 2 gives us t = √2h/g as the time of flight. The projectile travels a horizontal distance d at a constant horizontal velocity of V o , therefore d=V o t , and the initial velocity of the projectile is V o = d/t. Then we have obtain the initial velocity at which our spring gun fires the projectile, we can predict the range of the projectile when it is fired at any angle θ above the horizontal, the initial vertical component of the projectile velocity V
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Lab4.rtf - PHY 205 Sections II Lab: 4 September 20, 05...

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