Recent content by Student in Need

Thank you! And I'll make sure I keep that in mind next time.

Should I be multiplying the force by 3?

There was also this bit of information in the problem that I assumed wasn't important: "The normal force of the ground on the foot can reach three times a runner's body weight when the foot strikes the pavement."

This was a problem on MasteringPhysics and when I submitted this answer, it was incorrect. :(

Homework Statement By what amount does the 52-cm-long femur of an 73 kg runner compress at this moment? The cross-section area of the bone of the femur can be taken as 5.2×10-4 m2 and its Young'’s modulus is 1.6×1010 N/m2. Express your answer to two significant figures and include the...