Density is found by dividing
a. mass by volume
c. mass by area
b. volume by mass
d. area by mass

What is the mass of the same rock on the earth

Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)

What’s #16 asking me and how do i solve it?