Question

When a mass of 20 gram is hung on a spring the length of the spring id 16 centimetres. Adding another 10 gram increases the length to 19 centimetres. What is the unstrecthed length of the spring
bobpursley
each 10 gram adds 3cm, so remove 30 grams, it goes from 19cm to 10cm, unstretched.
Reed
Spalding High School is not the subject you have questions about. How did you ever get into high school if you don't know what subject you are studying?