After training for a marathon, you would like to complete your first attempt of the 26.22 mile race in under 4.800 hours. At what pace is the slowest you could run and still finish by your goal time (provide your answer in miles/s)?

During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs

Carbon 14 is a naturally occurring stable

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.