Lever: a bar used to move something
Wedge: a tool used to go in between object to put them in place 
Incline plane : a ramp it’s used to help rise heavy things 
Pulley: it’s a wheel that supports movement and change of direction
        
                    
             
        
        
        
Energy cannot be created nor be destroyed
        
             
        
        
        
Answer:
Vy = 26 m/s sin 30 = 13 m/s      vertical speed
t = Vy / a = 13 m/s / 9.80 m/s^2 = 1.33 sec     time to reach Vy = 0
H = Vy t + 1/2 g t^2
H = 13 m/s * 1.33 sec - 1.33^2 * 9.8 / 2 m = 8.62 m