Post a New Question

algebra

posted by on .

Light intensity(lumens) at a depth of x feet has the equation log I/12=-0.0125x

what depth will the light intensity be half that of the surface

  • algebra - ,

    at x=0, I = 12
    so solve
    log 6/12 = -x/8
    log2 = x/8
    x = 8log2

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question