Giancoli 7th Edition, Chapter 11, Problem 28(0:49) Chapter 11, Problem 28 is solved. VIEW FULL ANSWER View sample solution

## Comments

Is this calculation correct? It shows 4/pi^2 on the calculator display.

Hi donnarrnc,

Thanks for the question. Yes, things are all good here. The calculator display shows /4/pi^2, which is another way of saying what you might have been expecting: /(4pi^2).

All the best,

Mr. Dychko