If a train is traveling at 72 km/h on a road of 360 km how much time will it take to arrive

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

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.

How do i solve this physics problem?