5.) a 500-kg pig is standing at the top of a muddy hill on a rainy day. the hill is 100.0 m long with a
vertical drop of 30.0 m. the pig slips and begins to slide down the hill what is the pig's speed at the
bottom of the hill? use the law of conservation of energy
500

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.