Table 11.1 Object/material
View through the object
possible (fully/ partially/
not at all)
Object is opaque/
transparent/
translucent
Pencil
Rubber ball
Sheet of writing paper
Not very sure?

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.)