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    				| 1. | 
                                    the length of a spring is l and its force constant is k .When a weight W is suspended from it its length increases by x if the spring is cut into two parts and put in parallel same weight | 
                            
| Answer» the length of a spring is l and its force constant is k .When a weight W is suspended from it its length increases by x if the spring is cut into two parts and put in parallel same weight | |