a pin place in contact with one surface of a glass block of thickness 1.5cm and refractive index 1.5 is viewed along the normal to the opposite surface. by how much does the pin appear to be displaced?

with the invention of the automobile, the woman of the house could drive to the store and get groceries. women were also free to socialize more. during world war ii women were allowed to work in factories to the war effort and could drive to work or ride mass transit buses to their jobs.

the answer is c. the lower legs are levers, and the knees are fulcrums. the ankles hold the loads.