- 
                  
Physics
 - 
                  
Simple harmonic motion
 - 
                  
Age 10-11
 - 
                    
level: 10
 - 
                  
English
 
Author's Instructions
spring constant
- 
                  
Physics
 - 
                  
Simple harmonic motion
 - 
                    
Age 10-11
 - 
                    
level: 10
 - 
                  
English
 
Author's Instructions
spring constant
