HELP PLS 100 POINTS IM TAKING A TEST RN One possible unit of speed is

A. miles per hour.
B. kilometers per hour.
C. light-years per century.
D. all of the above

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.

Acar is traveling 35 mph on a smooth surface . if a balanced force is applied to the car what happens?

Which is a substance that can be separated by physical means and is not the same throughout