Payback time is important in a choice of any home improvement

What will be an ideal response?


Yes, it is. The problem is that homeowners underinvest in energy conservation
measures by demanding a too rapid (and unrealistic) payback time.

Physics & Space Science

You might also like to view...

A transformer requires

A) alternating voltage. B) direct current. C) both of these D) none of the above

Physics & Space Science

The mass of an electron and its antiparticle, a positron, is 0.511 MeV/c2 . In order to produce an electron-positron pair, a gamma ray must have an energy larger than 1.022 MeV because __________

Fill in the blank(s) with correct word

Physics & Space Science

Work is a vector quantity

Indicate whether the statement is true or false

Physics & Space Science

Optical fibers are commonly used by

A) surgeons. B) mechanics. C) engineers. D) aviators. E) all of the above

Physics & Space Science