You are on a parkour course. first you climb a angled wall up 9.5 meters. they you shimmy along the edge of a 3.5 meter long walk. lastly you traverse 15 meters of obstacles to reach the end of the course. the trip takes 43 seconds . what is your average speed?

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.

Does heating a metal wire increase or decrease its electrical resistance? why?

Why does karst topography exist in some geographic location? a. few climates have enough oxygen b. most regions have rock layers other than limestone c. in most regions, the soil is too thin d. the water is too acidic enough in most places