What is the smallest number of whole logs (rho = 725 kg/m3, radius = 0. 0800 m, length = 3. 00 m) that can be used to build a raft that will carry four people, each of whom has a mass of 80. 0 kg?.

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil

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.