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Name: ________________ ID: _________________

PHYS 011, Quiz 2
Estimated time: 1:30 C 1:55 pm Oct. 4, 2010



1. (5 points) A particle is released from point A with zero initial speed, and the move in a one-dimensional potential field as shown in the figure.
1. The particle has the maximum speed at point(s): ___________
2. The force on the particles is along the positive direction at point(s): ___________
3. The stable equilibrium point(s) is/are: ___________
4. The unstable equilibrium point(s) is/are: ___________
5. If the mass of the particle is 1kg, what is the particle speed at point E? (show your calculations)



2. (5 points)