Directions: On a separate sheet of graph paper, make a line graph or a bar graph that shows the decay of element Zover a 10-week period. Use your answers to questions 1-10 as your data.

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)