Apparatus: The apparatus consist of a spring propelled cannon that launches a metal ball into a hanging block with a slot so that they can then swing together as one object and push a angle reader up as it travels to a max height.
Procedure: We fired the projectile and observed at what the angle reader marked.
Using the angle and the length of the srting we calculated how high the ballistic pendulum traveled. Using the conservation of energy we work backwards to find the initial velocity of the combination ball and block. That initial swing velocity now becomes out system velocity final when setting up our conservation of momentum equation. Lastly we solved for what the initial velocity of the projectile would have to be!
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