Lab 6

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Middlesex County College *

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125

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Physics

Date

Apr 3, 2024

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pdf

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4

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Ballistic Pendulum Lab Francisco Velazquez 19 April 2023 Using a Pasco Ballistic Pendulum, we are observing both potential and kinetic energy and seeing how the application of conservation of momentum can be interpreted in real life. By the end of this lab, the objective is to find the muzzle velocity of the ball using two different methods. The projectile method and the approximate method were used in determining the muzzle velocity. Laboratory Partners: Angelica Marroquin, Nooreldean Elmenayer
Lab Setup: Individual Measurements: Vertical Distance = 0.92m Mass of Metal Ball: 0.06425kg Horizontal Range [R]= 1.03m Mass of Pendulum: 0.2471kg Time of Flight= 0.43sec Total Mass (Pend.+Ball): 0.3114kg Initial Velocity= 2.38 m/s Length of Pendulum: 0.285m
Table 1: Trial # Range (m) 1 1.04 2 1.03 3 1.03 4 1.03 5 1.03 <R> = 1.03 Table 2: Trial # Angle (theta) Delta h: Rcm (1-cos theta) 1 17 .0125 2 17 .0125 3 18 .00139 4 20 .0172 5 19 .0155 Sample Calculations: v 0 = 1.03/sqrt(2[0.92]/9.8)=2.38m/s v 0 = (0.2471)/(0.06425) sqrt(2[9.8][0.285][1-cos17])= 1.90m/s t= sqrt(2[0.92]/9.8)= 0.43sec R=2.38 x 0.43= 1.03m M= 0.06425kg + 0.2471kg =0.3114kg
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