A car with a mass of 1,500 kg requires a centripetal force of 640 N to safely follow a circular curve in the road at 13. 4 m/s. What is the radius of the curve? 31 m 77 m 421 m 860 m.

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.