Aspring with a spring constant of 4.0 newtons
per meter is compressed by a force of
1.2 newtons. what is the total elastic potential
energy stored in this compressed spring?
(1) 0.18 j (3) 0.60 j
(2) 0.36 j (4) 4.8 j

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

What happens in a global convection cell

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance