A compressor does 92 joules of work to compress air conditioner refrigerant. The refrigerant later expands and goes back to equilibrium. According to the First law of thermodynamics, how much thermal energy does the refrigerant release when it expands? a) 2.4 joules
b) 38 joules
c) 92 joules
d) 221 joules

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.