1. Write an expression for the kinetic energy of the system (glider hanging mass) as the glider passes the first photogate. This is K1. 2. Write an expression for the kinetic energy of the system (glider hanging mass) as the glider passes the second photogate. This is K2. 3. What is the potential energy of the hanging mass as the glider passes the first photogate? (re-read the theory section if you can't remember). This is U1. 4. Write an expression for the potential energy of the hanging mass after the glider passes the second photogate. This is U2. Please use the Insert Math Equation ( ) above for putting in equations