Saturday
August 1, 2015

Homework Help: math

Posted by claire on Monday, February 8, 2010 at 6:52pm.

The brightness of a light bulb varies inversely as the square of the distance from the source. If a light bulb has a brightness of 300 lumens at 2 ft, what will its brightness be at 10 ft?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Members