Ballistic Pendulum

Ballistic Pendulum - 1. 2. yave =.059 m , y = .002 m , U(y)...

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Unformatted text preview: 1. 2. yave =.059 m , y = .002 m , U(y) = .180J U = .007J Vo = 4.972 m/s , Vo = .039 m/s E1 = .818J , E1 = .013J , E3 = .180J E3 = .007J. As E3=E2 , E2 must equal .180J .007J V= 1.08 m/s and V = .021 m/s E1 is more then E2 so energy must have been lost in the collision. As the two bodies stuck together this was a completely inelastic collision, therefore k is at a maximum. W=E2-E1=.180J-.818J= -.638J , W = |E2|+|E1|= .020J Some of the forms of energy involved in work would be the mechanical energy to move the arm, vibrations, and probably a small amount of heat energy at the point of contact, and perhaps even microscopic deformations of the 2 bodies. 3. 4. 5. 6. 7. 8. The largest source of error in this experiment would be the lateral movement of the swing arm after contact, as this would decrease the height that the arm would travel. Other errors could involve human error in measurements. *Please note- all calculations are on the lab packet in pencil. ...
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