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18 July, 01:09

For part A (steel projectile), compute the total kinetic energy before and immediately after impact (show your work). Calculate (and then explain) the kinetic energy loss by using (KEf - KEi) / KEi x 100%•Conservation of momentum m v0 = (m + M) vc•Conservation of energy ½ (m + M) vc2 = (m + M) g h•Trig application L (1 - cos θ) = hTable A (Pendulum Methodfor steel sphere) Trials 1 2 3 4 5 avg θ 36 36.5 35.5 36 36.5 36.1m = 65.92gM = 240.27gL =.029mh = 0.0557 mvc = 1.05 m/sv0 = 4.88 m/s

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  1. 18 July, 01:18
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    1 For part A (steel projectile), compute the total kinetic energy before and immediately after impact (show your work). Calculate (and then explain) the kinetic energy loss by using (KEf-KEJ / KE, x 100% Table A1 (Pendulum Method for steel sphere) Trials1 2 3 4 avg 37.0 36.5 37.0 37.0 37.5 36.7 m 65.89 g M 240.47 g L 33cm 0.33m h 0.0654 m vc1.13 m/s Vo 5.25 m/s Definition of Terms m = mass of projectile M mass of ballistic pendulum Vo initial velocity of projectile vcombined velocity after collision L = effective length of pendulum (with sphere inserted) h pendulum height after collision O pendulum angle after collision Ballistic Pendulum Theory Conservation of momentum m vo = (m + M) vc ½ (m + M) v 2 = (m + M) g h し (1-cos θ) = h ·. Conservation of energy Trig application
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