Phy 53 Lecture         Dr. Brown    16 Sept 2010

work-kinetic energy thm

    review ---->  work defn, dot product

coming ==> conservation of energy

problem 1 

 drag block on plane with constant force at some angle \theta by string [find velocity after moved 
horizontal dist L -- easy way]

problem 2 

 launch ball with spring hoizontally  


problem 3

vertical circular motion