Which of the following objects is accelerating? (velocity is changing) a. A child sliding down a water slide
b. A race car that is stopped
C. A bowling ball at rest X
d. A toy train moving in a straight line with a constant speed

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

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.

What are two different ways you could find the value of a? explain these methods.