Austin left the park traveling 4 mph. then, 3 hours later, wyatt left traveling the same direction at 10 mph. how long until wyatt catches up with austin?

An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.

Which of the following compounds would be primarily ionic? methane, ch4, ammonia nh3, calcium chloride, cacl2, or carbon dioxide, co2

Why is no-till farming more sustainable than many traditional methods of farming